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Panasonic NV-FJ632EE Service Manual
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Panasonic NV-FJ632EE Service Manual

Z-mechanism
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ORDER NO. VRD0203011C2
Video Cassette Recorder
NV-FJ632EE
Z-MECHANISM
SPECIFICATIONS
1

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Summary of Contents for Panasonic NV-FJ632EE

  • Page 1 ORDER NO. VRD0203011C2 Video Cassette Recorder NV-FJ632EE Z-MECHANISM SPECIFICATIONS...
  • Page 2 1. INTRODUCTION This service manual contains technical information which will allow service personnel to understand and service this model. If the circuit is changed or modified, this information will be followed by supplementary service manual to be filed with original service manual. Note: Adjustment procedures, Disassembly Procedures and Assembly Procedures for Mechanism Chassis are separate volume from this service manual.
  • Page 3 2. GENERAL DESCRIPTIONS 2.1. SERVICE CAUTION 2.1.1. REPLACING IC7702/EEPROM When the EEPROM: IC7702 is replaced, applicable model code, option code and electrical adjustment data will not be available. Therefore, enter and/or adjust the necessary data after replacing IC7702 by referring following procedure. STEP1.REPLACE THE IC7702 1.
  • Page 4 PROCEDURE F.I.P. DISPLAY Turn on the Service Mode 1.Press the FF key and the EJECT key simultaneously for more than 3 seconds. Activate the Service Mode 2 2.While keep placing FF key, press the EJECT key in twice. Activate the Entering Mode. 3.Press the EJECT key for more than 3 seconds.
  • Page 5 Model No. Model Option Option Option Code Code 1 Code 2 Code 3 NV-FJ632EE (56h) (8h) (D4h) (6h) Fig. S2 Model Code & Option Code NOTE: Since all electrical adjustments data is still not available, perform the Electrical Adjustment continuously.
  • Page 6 “SECTION 2. Disassembly Procedure”. B. Remove the 3 screws (A) of the CYLINDER UNIT with a screw driver. C. Unlock the 4 locking tabs (B) and disconnect the Cylinder flexible card from the FPC Holder. D. Remove the CYLINDER UNIT. CAUTION: Handle the Cylinder flexible card with care.
  • Page 8 3. UPPER CYLINDER ASSEMBLY When reassembling, perform the steps in the reverse order. Notes: 1. Install the Cylinder Retainer so that the 2 holes on top of the Cylinder Retainer are at right angles with the P3502 Connection. 2. Tighten the Hex screw (C) (1.5 mm) while pressing down on top of the Cylinder Retainer.
  • Page 9 3. Install the Cylinder Rotor Unit so that the inner hole of the Cylinder Rotor Unit fits to the small projection (D) on top of the Upper Cylinder. 4. Tighten 2 screws (B). Fig. S6...
  • Page 10 5. install the Cylinder Stator Unit. 6. Tighten 2 screws (A). Fig. S7...
  • Page 11 7. Confirm the PG SHIFTER ADJUSTMENT with the alignment tape (PAL: VFJ8125H3F) and adjust it if necessary. 2.1.3. CHECKING OF MAIN C.B.A. When servicing the MAIN C.B.A., take out the MAIN C.B.A. and mechanism from the frame and turn over. Fig.
  • Page 12 2.1.4. FLAT CARD CABLE INSTALLATION When installing the Flat Card Cable on the connector, install the Flat Card Cable with the cable contacts facing the connector contacts. Fig. S9...
  • Page 13 2.2. REMOVAL OF CASSETTE TAPE There are 2 ways to remove a cassette tape. 1. Service Information Display Operation A. Press the FF and EJECT keys simultaneosly for 3 seconds and set the Service Mode 7. B. Press STOP key in order to rotate the Loading Motor for unloading operation.
  • Page 14 C. Rotate the Capstan Motor clockwise from the bottom side to take up the tape. Fig. S11 D. Rotate the Main Cam Gear clockwise until the cassette tape is ejected. 2.3. INTRODUCTION OF VIDEO HEAD CLEANING CASSETTE...
  • Page 15 (POLISHING TYPE) 1. We are pleased to introduce Panasonic Video Head Cleaning Cassette, VFK0923FT [for service purposes] and VFK0923FSE [ for end users] for all VHS /SVHS VCP and VCR. 2. These cleaning cassettes are exclusive removing the hard and sticky clogging on video heads.
  • Page 16 VFK0823FSE (For end users) Type of Cassette Full VHS Cassette Cleaning Time 10 Seconds/Time Tape Length 3.34 m Usability in a Path 30 Times Note: The tape material itself is the same in both types. 2.4. SELF-DIAGNOSIS RESULT DISPLAY The "SELF-DIAGNOSIS RESULT DISPLAY & MEMORY function is built in this VTR.
  • Page 17 INDICATION CAUSE REMEDY/CHECK After cylinder lock is detected, the cylinder Check the cylinder motor drive circuit. does not start rotating again even after tape unloading. Cassette tape is not wound up during the tape Check the capstan motor drive circuit. unloading except EJECT mode.
  • Page 18 3.1.1. DISASSEMBLY FLOW CHART This flow chart indicates disassembly steps of the cabinet parts and the circuit boards in order to find the necessary items for servicing. When reassembling, perform the steps in the reverse order. Fig. D1...
  • Page 19 3.1.2. DETAIL OF DISASSEMBLY METHOD 1. REMOVAL OF THE TOP PANEL Remove 4 Screws (A) Fig.D2 2. REMOVAL OF THE FRONT PANEL UNIT Unlock 7 Tabs (B) Fig. D3...
  • Page 20 3. REMOVAL OF THE MECHANISM UNIT Remove Screw (C) Remove 3 Screws (D) Remove 2 screw (E) Note: 1. Keep pressing 2 stoppers on Cassette Holder Plate and Press Cassette Holder Plate to the rear. 2. Remove the Mechanism Unit after bend the Cylinder Shield in the direction of the arrow.
  • Page 21 4. REMOVAL OF THE MAIN C.B.A. Remove 4 screws (F) Unlock 4 Tabs (G) Fig. D5...
  • Page 22 NOTE: Before mounting the MAIN C.B.A. onto the frame, be sure to confirm that the insulation sheet is mounted on the frame as shown in Fig. Fig. D6...
  • Page 23 5. SERVICING POSITION Fig. D7...
  • Page 24 3.2. MECHANICAL ADJUSTMENT PROCEDURES Refer to the Service Manual for Z-Mechanism Chassis. (Order No. VRD9802005C2) 3.3. ELECTRICAL ADJUSTMENT PROCEDURES 3.3.1. TEST EQUIPMENT The following equipments are required for Electrical Adjustments. 1. Dual-Trace Oscilloscope - Voltage Range: 0.005-5V/div - Frequency Range: DC-35MHz - Probes: 10:1 / 1:1 2.
  • Page 25 7. Video Pattern Generator 8. Monitor TV 9. DC Power Supply 10. VHS Blank Tape 11. VHS Alignment Tape - Parts No.: VFJ8125H3F(PAL) 3.3.2. VCR SETTING When no indication in the procedure, set each selector as follows. 1. TAPE SPEED: SP 2.
  • Page 26 3.3.4. PG SHIFTER ADJUSTMENT (AUTOMATIC) PROCEDURES FIP DISPLAY Press the FF and EJECT Keys simultaneously for 3 seconds. Press the FF and EJECT Keys simultaneously twice. Press the EJECT key for 3 seconds. Press the CH UP key once. Insert the Alignment cassette tape.
  • Page 27 PROCEDURES FIP DISPLAY Press the FF and EJECT Keys simultaneously for 3 seconds. Press the FF and EJECT Keys simultaneously twice. Press the EJECT key for 3 seconds. Press the CH UP key in 3 times. Insert the blank cassette tape. (The adjustment is automatically started.) When the sequence of the automatical adjustment...
  • Page 28 PROCEDURES FIP DISPLAY Input the Video sweep signal. (See Fig.E1) Press the FF and EJECT Keys simultaneously for 3 seconds. Press the FF and EJECT Keys simultaneously twice. Press the EJECT key for 3 seconds. Press the CH UP and/or CH DOWN key until "11"...
  • Page 29 3.3.8. CIRCUIT BOARD LAYOUT 4. ABBREVIATIONS...
  • Page 30 5. INPUT/OUTPUT CHART 5.1. INPUT/OUTPUT CHART FOR IC6001 Fig. MP1 Fig. MP2 Fig. MP3 Fig. MP4 5.2. TRUTH TABLE 6. WAVEFORM TABLE& VOLTAGE CHART 6.1. WAVEFORM TABLE 6.2. VOLTAGE CHART...
  • Page 31 7. BLOCK DIAGRAMS 7.1. SYSTEM CONTROL& SERVO BLOCK DIAGRAM 7.2. LUMINANCE& CHROMINANCE BLOCK DIAGRAM 7.3. AUDIO BLOCK DIAGRAM 8. SCHEMATIC DIAGRAMS 8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM 8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM 8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM...
  • Page 32 8.4. SYSTEM CONTROL& SERVO SECTION IN MAIN SCHEMATIC DIAGRAM 8.5. LUMINANCE& CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM 8.6. Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM 8.7. INPUT/ OUTPUT SECTION IN MAIN SCHEMATIC DIAGRAM 8.8. TV DEMODULATOR PACK SCHEMATIC DIAGRAM 8.9.
  • Page 33 8.10. CYLINDER STATOR UNIT SCHEMATIC DIAGRAM 8.11. CAPSTAN UNIT SCHEMATIC DIAGRAM 9. CIRCUIT BOARD ASSEMBLIES 9.1. TV DEMODULATOR PACK C.B.A. 9.2. NICAM DECORDER PACK C.B.A. 9.3. MAIN C.B.A. 9.4. CYLINDER STATOR UNIT 10. EXPLODED VIEWS 10.1. CHASSIS PARTS SECTION...
  • Page 34 10.2. CASING PARTS SECTION 10.3. PACKING PARTS SECTION 11. REPLACEMENT PARTS LIST 11.1. CHASSIS PARTS SECTION PARTS LIST...
  • Page 35 Ref. No. Part No. Part Name & Description Remarks VEG1598 CYLINDER UNIT [MAVD] VXP2170 UPPER CYLINDER UNIT [MAVD] VDB1256 CYLINDER RETAINER VEM0715 CYLINDER MOTOR UNIT VXS0135 EARTH BRUSH UNIT VMD3795 FLAT CABLE HOLDER VEK9069 CAPSTAN UNIT L1AZ00000004 FE HEAD VDB1431 TENSION ARM BOSS VDB1460 SUPPLY BRAKE ARM BOSS...
  • Page 36 Ref. No. Part No. Part Name & Description Remarks VMD2619 MOTOR BRACKET VMB3045 CONVERSION GEAR SPRING VMD2620 OPENER PIECE VMD2738 LED PRISM VML3165 DRIVE RACK ARM VML3166 MAIN LEVER VML3167 DRIVE MAIN LEVER ARM VML3172 SUPPLY SPRING ARM VML3176 CONVERSION LEVER A VML3177 CONVERSION LEVER B VXA6040...
  • Page 37 WASHER VMX3022 WASHER 11.2. CASING PARTS SECTION PARTS LIST Ref. No. Part No. Part Name & Description Remarks VGM1835 TOP PANEL [MAVD] NV-FJ632EE-K VGM1834 TOP PANEL [MAVD] NV-FJ632EE-S VYP8375 FRONT PANEL UNIT [MAVD] NV-FJ632EE-K VYP8374 FRONT PANEL UNIT [MAVD] NV-FJ632EE-S...
  • Page 38 [MAVD] VPK2246 ACCESSORIES PACKING [MAVD] VPN5491 CUSHION (L) [MAVD] VPN5492 CUSHION (R) [MAVD] VPG0M15 PACKING [MAVD] NV-FJ632EE-K VPG0M14 PACKING [MAVD] NV-FJ632EE-S SERVICE FIXTURES & TOOLS VFJ8125H3F VHS ALIGNMENT TAPE (PAL) VFK0335 RETAINING RING REMOVER (3mm/ 4mm) VFK0329 POST ADJUSTMENT SCREWDRIVER...
  • Page 39 Ref. No. Part No. Part Name & Description Remarks VEP06E55L MAIN C.B.A. (RTL)[MAVD] THE FOLLOWING C.B.A.S ARE INCLUDED IN MAIN C.B.A. VEP07A18T,VEP07A23U VEP07A18T NICAM DECODER PACK C.B.A. (RTL)[MAVD] INCLUDED IN MAIN C.B.A.(VEP06E55L). VEP07A23U TV DEMODULATOR PACK C.B.A. (RTL)[MAVD] INCLUDED IN MAIN C.B.A.(VEP06E55L).
  • Page 40 Ref. No. Part No. Part Name & Description Remarks C1025 ECUV1H104KBN C.CAPACITOR CH 50V 0.1U [MAVD] ECJ2YB1H104K C1026 ECUV1H104KBN C.CAPACITOR CH 50V 0.1U [MAVD] ECJ2YB1H104K C1101 VCF2AAF683M X2 CAPACITORS [MAVD] C1102 F1BAF1020020 CERAMIC CAPACITOR [MAVD] C1106 EEUEB2G330E E.CAPACITOR 400V 33U [MAVD] C1107 F1A3A271A028...
  • Page 41 Ref. No. Part No. Part Name & Description Remarks C3020 ECEA1HKS010 E.CAPACITOR 50V 1U C3021 ECJ1VB1H103K C.CAPACITOR CH 50V 0.01U C3022 ECJ1VF1C104Z C.CAPACITOR CH 16V 0.1U C3023 ECEA0JKS470 E.CAPACITOR 6.3V 47U C3024 ECJ1VB1C104K C.CAPACITOR CH 16V 0.1U C3025 ECJ1VB1H222K C.CAPACITOR CH 50V 2200P C3027 ECEA1HKSR33 E.CAPACITOR 50V 0.33U...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks C4015 ECEA0JKS470 E.CAPACITOR 6.3V 47U C4016 ECJ1VB1C104K C.CAPACITOR CH 16V 0.1U C4017 ECEA1AKS220 E.CAPACITOR 10V 22U C4018 ECJ1VB1C104K C.CAPACITOR CH 16V 0.1U C4019 ECJ1VF1C104Z C.CAPACITOR CH 16V 0.1U C4020 ECEA0JKS470 E.CAPACITOR 6.3V 47U C4026 ECEA1AKS220 E.CAPACITOR 10V 22U...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks C4908 ECJ1VC1H470J C.CAPACITOR CH 50V 47P [MAVD] C4909 ECJ1VC1H470J C.CAPACITOR CH 50V 47P [MAVD] C4910 ECJ1VC1H470J C.CAPACITOR CH 50V 47P [MAVD] C4912 ECJ1XB1H471K C.CAPACITOR CH 50V 470P C4913 ECJ1XB1H471K C.CAPACITOR CH 50V 470P C4914 ECJ1XB1H471K C.CAPACITOR CH 50V 470P...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks C7342 ECJ1VB1H472K C.CAPACITOR CH 50V 4700P C7343 ECJ1VB1H222K C.CAPACITOR CH 50V 2200P C7501 ECJ1VF1H103Z C.CAPACITOR CH 50V 0.01U C7502 ECEA1HKS100 E.CAPACITOR 50V 10U C7503 ECJ1VC1H120J C.CAPACITOR CH 50V 12P C7504 ECEA0JKS101 E.CAPACITOR 6.3V 100U C7507 VCE0073...
  • Page 45 D1207 11EQS04 DIODE B0JAME000020...
  • Page 46 Ref. No. Part No. Part Name & Description Remarks D1208 MA185 DIODE MA2C185 D1209 11EQS04 DIODE B0JAME000020 D1501 SIR505S DIODE B3EA00000040 D2501 MA2C165001VT DIODE D2502 MA2C165001VT DIODE D3001 MA2C165001VT DIODE D4502 MA2C165001VT DIODE D4901 MA4051N-M DIODE MAZ4051NM D4902 MA4051N-M DIODE MAZ4051NM D4903 MA2C165001VT...
  • Page 47 K4004 ERJ6GEY0R00V M.RESISTOR CH 1/10W 0 D0GBR00JA017 Ref. No. Part No. Part Name & Description Remarks K4007 ERJ6GEY0R00V M.RESISTOR CH 1/10W 0 D0GBR00JA017 K4917 ERJ6GEY0R00V M.RESISTOR CH 1/10W 0 D0GBR00JA017 K4919 ERJ6GEY0R00V M.RESISTOR CH 1/10W 0 D0GBR00JA017 K7301 ERJ6GEY0R00V M.RESISTOR CH 1/10W 0 D0GBR00JA017 K7302 ERJ6GEY0R00V...
  • Page 48 Ref. No. Part No. Part Name & Description Remarks LB1107 J0JKB0000028 FILTER J0JKB0000027 LB1109 J0JKB0000028 FILTER J0JKB0000027 LB3501 VLP0147 COIL J0JBC0000041 LB3502 VLP0147 COIL J0JBC0000041 LB3503 VLP0147 COIL J0JBC0000041 LB3504 VLP0147 COIL J0JBC0000041 LB4901 ERJ6GEYG221 M.RESISTOR CH 1/10W 220 LB4902 ERJ6GEYG221 M.RESISTOR CH 1/10W 220 LB4903...
  • Page 49 Ref. No. Part No. Part Name & Description Remarks Q4901 2SD0601A0L TRANSISTOR [MAVD] Q4903 2SD0601A0L TRANSISTOR [MAVD] Q4904 2SB709A TRANSISTOR 2SB0709A Q7701 2SB709A TRANSISTOR 2SB0709A Q7702 2SD0601A0L TRANSISTOR [MAVD] Q7703 2SD0601A0L TRANSISTOR [MAVD] Q7704 2SD0601A0L TRANSISTOR [MAVD] Q7707 2SB709A TRANSISTOR 2SB0709A QR1001 UNR211200L...
  • Page 50 Ref. No. Part No. Part Name & Description Remarks R1010 ERDS2FJ103 C.RESISTOR 1/4W 10K R1011 ERJ6GEYG562 M.RESISTOR CH 1/10W 5.6K R1012 ERDS2FJ471 C.RESISTOR 1/4W 470 R1015 ERDS2FJ102 C.RESISTOR 1/4W 1K R1016 ERDS2FJ102 C.RESISTOR 1/4W 1K R1017 ERDS2FJ471 C.RESISTOR 1/4W 470 R1023 ERDS2FJ103 C.RESISTOR 1/4W 10K...
  • Page 51 Ref. No. Part No. Part Name & Description Remarks R3007 ERJ6GEYG331 M.RESISTOR CH 1/10W 330 R3012 ERJ6GEYJ472V M.RESISTOR CH 1/10W 4.7K R3013 ERJ6GEYG104 M.RESISTOR CH 1/10W 100K R3015 ERJ6GEYJ101V M.RESISTOR CH 1/10W 100 R3016 ERJ6GEYJ101V M.RESISTOR CH 1/10W 100 R3017 ERJ6GEYG122 M.RESISTOR CH 1/10W 1.2K R3018...
  • Page 52 Ref. No. Part No. Part Name & Description Remarks R4508 ERJ6GEYG681 M.RESISTOR CH 1/10W 680 R4509 ERJ6GEYG683 M.RESISTOR CH 1/10W 68K R4510 ERJ6GEYG103 M.RESISTOR CH 1/10W 10K R4511 ERJ6GEYG562 M.RESISTOR CH 1/10W 5.6K R4512 ERJ6GEYG683 M.RESISTOR CH 1/10W 68K R4513 ERJ6GEYG103 M.RESISTOR CH 1/10W 10K R4514...
  • Page 53 Ref. No. Part No. Part Name & Description Remarks R6005 ERJ6GEY0R00V M.RESISTOR CH 1/10W 0 D0GBR00JA017 R6008 ERJ6GEYG222 M.RESISTOR CH 1/10W 2.2K R6009 ERJ6GEYJ223 M.RESISTOR CH 1/10W 22K R6011 ERJ6GEYG221 M.RESISTOR CH 1/10W 220 R6012 ERJ6GEYG221 M.RESISTOR CH 1/10W 220 R6013 ERJ6GEYG221 M.RESISTOR CH 1/10W 220...
  • Page 54 Ref. No. Part No. Part Name & Description Remarks R7539 ERJ6GEYF822 M.RESISTOR CH 1/10W 8.2K R7601 ERJ6GEY0R00V M.RESISTOR CH 1/10W 0 D0GBR00JA017 R7604 ERJ6GEYJ101V M.RESISTOR CH 1/10W 100 R7605 ERJ6GEYJ101V M.RESISTOR CH 1/10W 100 R7606 ERDS2FJ331 C.RESISTOR 1/4W 330 R7607 ERDS2FJ331 C.RESISTOR 1/4W 330 R7608...
  • Page 55 Ref. No. Part No. Part Name & Description Remarks S7513 EVQ11L07B SWITCH S7514 EVQ11G07K SWITCH S7515 EVQ11L07B SWITCH S7516 EVQ11G07K SWITCH S7517 EVQ11L07B SWITCH T0701 EQV5EC081P TRANSFORMER T1101 ETS29AZ286AC SWITCHING TRANSFORMER [MAVD] T4002 EQQ7QF024P TRANSFORMER TU7601 ENG47329G1 TUNER [MAVD] VR0701 EVNCYAA03B14 V.RESISTOR 10K X0701...
  • Page 56 TUNER AUDIO (L) PREAMP & SWITCH P3502 Hi-Fi P3502 IC3001 AUDIO HEAD P3502 GAIN FROM DECODER/ TUNER AUDIO (N) TV DEMODU FM MODULATOR/ DEMODULATOR A.HEAD (W) NORMAL SELECT SWITCH TO/FROM AC HEAD & SWITCH A.HEAD (R) NV-FJ632EE AUDIO BLOCK DIAGRAM...
  • Page 57 PLAY PAUSE CH UP Q1501 D1501 Q1502 S7507 S7512 S7511 S7503 S7504 TAKE UP SENSOR SUPPLY SAFETY T-REEL PULSE PHOTO PHOTO TAB SW SENSOR SENSOR P4003 CTL HEAD(-) HEAD P4003 112 CTL HEAD(+) NV-FJ632EE SYSTEM CONTROL & SERVO BLOCK DIAGRAM...
  • Page 58 BLANKING VIDEO OUT VIDEO IN CLAMP Q4901 QR4903 FROM SYSTEM AV1 PB CONTROL SYS IIC CLOCK TO/FROM SYSTEM CONTROL SYS IIC DATA OSD IIC DATA TO/FROM IIC BUS SYSTEM INTERFACE CONTROL OSD IIC CLOCK NV-FJ632EE LUMINANCE & CHROMINANCE BLOCK DIAGRAM...
  • Page 59 FAMI MODE:When setting the NTSC CONVERTER to ON on the OSD Screen Display, the signals from NTSC Signal Source (ex.NTSC GAME Machine)connected to the VCR can be appeared on the PAL TV.However when recording, X3001 it is not recorded correctly. NV-FJ632EE NV-FJ632EE LUMINANCE & CHROMINANCE BLOCK DIAGRAM LUMINANCE & CHROMINANCE BLOCK DIAGRAM...
  • Page 60 L0201 R0208 UNLOADING C0208 HOLE LOADING SENSOR R0204 C0209 C0210 ED/S TORQUE DIRECTION OUT2 CAPSTAN MOTOR DRIVER MAIN COIL HALL POWER R0209 OUT1 EC AMP HOLE SENSOR TL0205 DRIVER CONTROL LOGIC R0201 R0211 C0206 C0207 NV-FJ632EE CAPSTAN UNIT SCHEMATIC DIAGRAM...
  • Page 61 P2901 MAIN COIL 2 MAIN COIL 3 HALL IC GND (CYL) MAIN COIL 1 NV-FJ632EE CYLINDER STATOR NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. SCHEMATIC DIAGRAM...
  • Page 62 A.HEAD SW ABS NORMAL D.FM REC NV-FJ632EE NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU...
  • Page 63 UN2215 (PROG :ON) GND (A) NV-FJ632EE INPUT/OUTPUT SECTION NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR WITH PAL COLOUR SIGNAL.(SP MODE)
  • Page 64 16V10 16V10 NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR NV-FJ632EE NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE. ORDERING. WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. NICAM DECODER PACK SCHEMATIC DIAGRAM...
  • Page 65 0.01 2200 NOTE1:WHEN MEASURE THE VOLTAGE OR WAVEFORM ON THE POWER TRANSFORMER CIRCUIT,SET THE GND TERMINAL OF MEASURING POINT AS FOLLOWS. NV-FJ632EE PRIMARY SIDE..SECONDARY SIDE... IMPORTANT SAFETY NOTICE: NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR...
  • Page 66 10V47 MA4056NH 25V47 C7627 0.01 D1002 D1007 NV-FJ632EE IMPORTANT SAFETY NOTICE: NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS POWER SUPPLY/RF SECTION COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU SCHEMATIC DIAGRAM WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.
  • Page 67 R6004 H0H200- X6001 220K RESET 500011 VSX1022 C7713 6V47 Y/C VIDEO OUT C6012 C6011 C6010 C6009 SAFETY TAB SLEEP SLEEP C6008 C SYNC 1000P BACK UP 5V B14 B15 B16 B19 B20 NV-FJ632EE SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM...
  • Page 68 35V4.7 35V4.7 UNREG 14V L2501 R2509 N.SW 5V NV-FJ632EE SYSTEM CONTROL & SERVO NV-FJ632EE NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SECTION SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM...
  • Page 69 4300 5600 8200 BACK UP 5V NV-FJ632EE TIMER SECTION NOTE:DO NOT USE PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE. ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 70 4MHz C0711 R0715 16V22 NV-FJ632EE NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE. ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. TV DEMODULATOR PACK SCHEMATIC DIAGRAM...
  • Page 71 PAL EP BIAS 5V VIDEO 5V NV-FJ632EE NOTE:THE MEASUREMENT MODE OF THE DC VLOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE WITH PAL COLOUR SIGNAL.(SP MODE)
  • Page 72 C4007 6V220 1200P R4008 220K L3005 NV-FJ632EE LUMINANCE & CHROMINANCE/AUDIO NV-FJ632EE NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SECTION SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM...
  • Page 73 (VEM0715) CYLINDER STATOR UNIT Integrated Circuit HALL IC Connector M1 VM P2901 ADDRESS INFORMATION HALL IC VM M2 P2901 NV-FJ632EE CYLINDER STATOR UNIT...
  • Page 74 C7707 W326 R7507 S7506 W738 Q1002 Q1006 R7510 R7508 QR1001 R7606 R1009 S7507 R1008 R7515 R7521 R7511 IC7501 S7505 S7511 W318 R7516 S7514 S7512 S7515 S7504 S7502 S7513 S7501 R7514 S7503 S7516 S7517 W438 IC7502 K1213 DP7501 NV-FJ632EE MAIN C.B.A.
  • Page 75 QR1002 TW4901 QR3502 TW4902 QR4001 TW4903 QR4002 TW4906 QR4003 TW4907 QR4005 TW6002 Connector QR4501 QR4502 P1102 QR4503 P1501 QR4504 P2501 QR4505 P2502 QR4506 P3502 QR4903 P4002 QR4904 P4003 QR4905 DU7601 QR6001 PK7301 QR6006 PK7302 TU7601 ADDRESS INFORMATION NV-FJ632EE MAIN C.B.A.
  • Page 76 NICAM DECODER PACK C.B.A. Integrated Circuit IC7301 IC7302 Test Point TL7301 TL7303 TL7304 Integrated Circuit PK7301 PK7302 ADDRESS INFORMATION (VEP07A18T) IC7301 TL7304 TL7303 TL7301 PK7301 PK7302 NV-FJ632EE NICAM DECODER PACK C.B.A.
  • Page 77 TV DEMODULATOR PACK C.B.A. Transistor Q0702 Integrated Circuit IC0701 Adjustment T0701 VR0701 Connector PK0701 PP0701 ADDRESS INFORMATION (VEP07A23U) IC0701 LB0701 PK0701 Q0702 NV-FJ632EE TV DEMODURATOR PACK C.B.A.
  • Page 78 T1101-3 STOP T1101-6 STOP T1101-7 STOP Q1102-G STOP T1101-5 STOP 4.0Vp-p (2msec.div.) 530Vp-p (5usec.div.) 30Vp-p (5usec.div.) 15Vp-p (5usec.div.) 500Vp-p (5usec.div.) Q1201-1,2 STOP IC6001-20 PAUSE IC6001-21 REC IC6001-24 REC IC6001-61 REC 0.5Vp-p (5usec.div.) 5.0Vp-p (10msec.div.) 5.0Vp-p (10msec.div.) 5.0Vp-p (10msec.div.) 2.4Vp-p (20µsec.div.) IC6001-68 REC IC6001-89 REC IC6001-90,91 REC...
  • Page 79 SYSTEM CONTROL & SERVO ICs DC VOLTAGE CHART (SP MODE) Ref. No. IC1501 IC1502 MODE STOP PLAY IC2501 Ref. No. MODE STOP 16.8 16.8 16.8 16.8 PLAY 14.9 14.9 15.2 14.9 15.1 15.1 15.4 15.1 14.4 14.4 14.6 14.7 14.3 14.3 14.6 14.9...
  • Page 80 SYSTEM CONTROL & SERVO TRs DC VOLTAGE CHART (SP MODE) Q1501 Q1502 Q7701 Q7702 Q7703 Ref. No. − − MODE STOP PLAY Q7704 Ref. No. MODE STOP PLAY QR6001 QR6006 Ref. No. MODE STOP PLAY 12.3...
  • Page 81 No. Port Name Description P-OFF P-Save P-FAIL Reset CURRENT_LIMIT O Capstan motor current limit terminal. F ADJUST O Analogue voltage output for HEAD frequency response adjustment N.C. -- Low fix (No Connection.) Terminal of the Current emphasis video/FM audio recording current. [HIFI/2HEAD ]:Fix to Low (Normal mode) C EMPHA(H) [4HEAD]...
  • Page 82 No. Port Name Description P-OFF P-FAIL Reset P-Save ROTARY.SW O Output terminal for rotary switch. H.A.SW O Output terminal for HEAD AMP switch. ENVE.SELECT I Input terminal for enverope selection. VIDEO.H.SW O Output terminal for video HEAD switch. A.H.SW O Output terminal for FM audio HEAD switch. Audio Mute output terminal for tuner and decoder.
  • Page 83 No. Port Name Description P-OFF P-FAIL Reset P-Save LC.OSC OUT O The oscillation output terminal for OSD dot clock. RESET(L) I Input terminal for microprocessor reset. 4FC.LPF I 4fc clock input terminal OSD.FSC IN I OSD clock input terminal 5V(OSD) I 5V input terminal CVIN I Input terminal for Composite video signal.
  • Page 84 No. Port Name Description P-OFF P-FAIL Reset P-Save FLD/T2 DATA OUT O Serial data output terminal for FIP driver and TEST_2(Factory use). Not fix Low FLD_CS O Chip select terminal for FIP driver. Not fix Low T.REEL.PULSE I Input terminal for Take-up Reel sensor pulse. S.REEL.PULSE I Input terminal for Supply Reel sensor pulse.
  • Page 85 INPUT CONDITION VIDEO OUTPUT RESULT AUDIO OUTPUT RESULT POWER INPUT RF (C) AV1 Out AV2 Out SELECT ON(H) PB(H) PB(H) PB(H) Selector Selector AV2 In AV1 In AV2 In AV1 In Mute AV2 In AV1 In AV2 In AV1 In AV2 In AV1 In Mute...
  • Page 86 INPUT CONDITION VIDEO OUTPUT RESULT AUDIO OUTPUT RESULT POWER INPUT RF (C) AV1 Out AV2 Out SELECT ON(H) PB(H) PB(H) PB(H) Selector Selector P.ON NO.TU VCR out VCR out INSEL C+.TU VCR out VCR out INSEL VCR out VCR out AV1 In AV1 In AV1 In...
  • Page 87 INPUT CONDITION VIDEO OUTPUT RESULT AUDIO OUTPUT RESULT POWER INPUT RF (C) AV1 Out AV2 Out SELECT ON(H) PB(H) PB(H) PB(H) Selector Selector P.ON DECODER VTR NO.TU VCR out AV1 In AV1 In AV1 In VCR out AV1 In AV1 In AV1 In C+.TU VCR out TUN IN...
  • Page 88 4.43 NTSC L BILINGUAL 443NT [L] BILINGUAL L A. COMP BIL [L] AUDIO COMPONENT SIGNAL BILINGUAL H BIL. [H] A. COMPO AUDIO COMPONENT SIGNAL BILINGUAL L AUDIO DUBBING PAUSE L BIL/M1 [L] A. D.P [L] AUDIO DUBBING PAUSE L BS CLOCK A.
  • Page 89 CYL GND CYLINDER GND FULL. E. 12V FULL ERASE 12V DELAIED FM RECORDING H D.F.M. REC [H] GND (ANALOG) GND [A] DELAIED FM RECORDING L D. FM REC [L] GND (TUNER) GND [TU] D. GND GND/NON SW 12V DIGITAL GND GND/N.
  • Page 90 POWER OFF H LINE IN [R] LINE INPUT (R) P-OFF [H] POWER OFF L LINE OUT [L] LINE OUTPUT (L) P-OFF [L] LINE OUT [R] LINE OUTPUT (R) P. FAIL POWER FAILURE DETECT LP H POWER OFF H LP [H] P.
  • Page 91 SYSTEM CONTROL 5V RF OUT RF OUTPUT SYSCON 5V SYSTEM SW RF Y RF LUMINANCE SIGNAL SYSTEM TAKE-UP PHOTO TRANSISTOR RF. Y. IN RF LUMINANCE SIGNAL INPUT T-PHOTO TAKE-UP REEL PULSE RF. Y. OUT RF LUMINANCE SIGNAL OUTPUT T-RL. PLS TIMER BUS CLOCK ROTAR.
  • Page 92 8 SCHEMATIC DIAGRAMS 8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMARY CAUTION FROM THE SECONDARY CIRCUIT. PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF THE PRODUCTS.
  • Page 93 R1205 0.01 2200 HE POWER TRANSFORMER NT AS FOLLOWS. NV-FJ632EE NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR POWER TRANSFORMER WN THE VOLTAGE WHEN ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. SECTION SCHEMATIC DIAGRAM...
  • Page 94 8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE :TO POWER TRANSFORMER SECTION :TO SYSTEM CONTROL & SERVO SECTION VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK :TO LUMINANCE &...
  • Page 95 2200P PK7302 SYS IIC CLOCK SYS IIC DATA TUNER AUDIO (R) TUNER AUDIO (L) NV-FJ632EE NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS POWER SUPPLY/RF SECTION SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU SCHEMATIC DIAGRAM TOP MODE. ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 96 8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM :TO POWER TRANSFORMER SECTION DP7501 A2BD00000040 :TO POWER SUPPLY/RF SECTION :TO SYSTEM CONTROL & SERVO SECTION S-VHS Link R7507 R7508 HEATER (+) C7501 0.01 HEATER DC (-) D7501 C7502 R7511 R7510 MA4220NM 50V10 FIP -29V R7509 IC7501...
  • Page 97 LINK TIMER EJECT S7516 S7505 S7517 EVQ11G07K EVQ11L07B EVQ11L07B R7519 R7536 R7539 4300 5600 8200 NV-FJ632EE TIMER SECTION OTE:DO NOT USE PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. SCHEMATIC DIAGRAM...
  • Page 98 8.4. SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM CAPSTAN SERVO SPEED LOOP CAPSTAN SERVO PHASE LOOP :TO POWER SUPPLY/RF SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION :TO Hi-Fi AUDIO SECTION :TO INPUT/OUTPUT SECTION :TO TIMER SECTION R2508 C6017 680P R6031 P.FAIL TW2002...
  • Page 99 R6016 R6009 22K 20Hz START H C7712 C7711 R7729 QR6006 R7731 220P UN2211 (SLEEP :OFF) R7730 L7703 R6004 X6001 220K VSX1022 C7713 6V47 C6010 C6009 C6008 1000P B14 B15 B16 B19 B20 NV-FJ632EE SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM...
  • Page 100 220K 220P C2519 Q7702 Q7704 25V47 2SD601A 2SD601A (INV.) (BUFFER) Q7703 2SD601A R2510 R2511 (INV.) C7708 R7721 R7722 R7723 220P 100K 100K C2515 C2516 35V4.7 35V4.7 L2501 R2509 NV-FJ632EE NOTE:DO NOT USE ORDERING.W SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM...
  • Page 101 P2502 GND (CYL) R2515 C2524 35V4.7 UNREG 14V R2509 N.SW 5V NV-FJ632EE SYSTEM CONTROL & SERVO NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SECTION SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 102 8.5. LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRA :TO POWER SUPPLY/RF SECTION VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE :TO SYSTEM CONTROL & SERVO SECTION :TO Hi-Fi AUDIO SECTION :TO INPUT/OUTPUT SECTION :TO TIMER SECTION TW2001 T4002...
  • Page 103 C4946 2200P QR4005 UN2113 -0.4 (BUFFER) (-0.1) R4022 R4011 C4010 0.027 QR4001 QR4002 UN2212 UN2211 (PAL EP H :ON) (PAL EP H :ON) C4001 C4009 2200P NV-FJ632EE ACKETS ON THIS DIAGRAM IS PLAYBACK MODE LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM...
  • Page 104 L4001 R4006 R4002 0.01 25V4.7 50V1 0.01 330K C4002 R4014 C4034 C4006 R4004 C4004 8200P 2700P 10V22 R3012 C3015 4700 0.01 C4011 R4005 6800P R4007 C3017 C3018 C4007 6V220 1200P R4008 220K L3005 NV-FJ632EE LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM...
  • Page 105 R3002 R3006 C3009 C3004 C3021 R3017 50V1 0.01 1200 FREQ.ADJ C3020 50V1 NV-FJ632EE LUMINANCE & CHROMINANCE/AUDIO NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SECTION SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 106 8.6. Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM :TO POWER SUPPLY/RF SECTION AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN P :TO SYSTEM CONTROL & SERVO SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION :TO INPUT/OUTPUT SECTION R4537 C4528 R4524 16V10...
  • Page 107 R4515 4700 C4504 0.047 C4514 0.01 C4505 10V33 NV-FJ632EE NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS HIS DIAGRAM IS PLAYBACK MODE SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU Hi-Fi AUDIO SECTION SCHEMATIC DIAGRAM ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 108 8.7. INPUT/ OUTPUT SECTION IN MAIN SCHEMATIC DIAGRAM VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE :TO POWER SUPPLY/RF SECTION :TO SYSTEM CONTROL & SERVO SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION L4903 :TO Hi-Fi AUDIO SECTION C4925 C4926 6V220...
  • Page 109 (PROG :ON) QR4904 UN2215 (PROG :ON) NV-FJ632EE INPUT/OUTPUT SECTION BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 110 8.8. TV DEMODULATOR PACK SCHEMATIC DIAGRAM VIDEO SIGNAL PATH AUDIO SIGNAL PATH R0714 R0732 R0731 5600 4700 R0713 LB0701 VLP0147 C0724 220P R0742 Q0702 2SD601A (AMP) PK0701 R0741 DU7601-19 DU7601-20 DU7601-21 C0721 DU7601-22 SIF/QPSK DU7601-23 AFC S-CURVE DU7601-24 TUNER VIDEO DU7601-25 TUNER 5V R0743...
  • Page 111 D0702 C0701 C0704 0.033 R0705 R0708 C0714 4700 C0702 C0703 1000P R0719 C0712 4700 X0704 VLF1497 C0710 0.01 L0703 R0725 2.2u C0715 C0711 R0715 16V22 NV-FJ632EE THIS SCHEMATIC DIAGRAM FOR E REFER TO PARTS LIST. TV DEMODULATOR PACK SCHEMATIC DIAGRAM...
  • Page 112 8.9. NICAM DECODER PACK SCHEMATIC DIAGRAM L7302 SIF2 C7315 INPUT SWIT VREF1 AGC, C7307 R7302 C7311 PK7301 0.01 SIF1 QPSK/SIF TUNER AUDIO (N) IC7302 CRESET PST7043 TUNER 5V (RESET) IDENT VSSA3 CATIO VDDA3 C7343 L7301 2200P C7308 C7312 R7305 50V2.2 IIC BUS INTERF PK7302...
  • Page 113 R7324 R7328 R7329 C7313 TL7301 C7317 C7319 C7320 16V10 16V10 16V10 E: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR NV-FJ632EE ORDERING. WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. NICAM DECODER PACK SCHEMATIC DIAGRAM...
  • Page 114 MAIN COIL 2 MAIN COIL 3 HALL IC GND (CYL) MAIN COIL 1 NV-FJ632EE CYLINDER STATOR NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. SCHEMATIC DIAGRAM 8.11. CAPSTAN UNIT SCHEMATIC DIAGRAM...
  • Page 115 R0212 R0213 Q0203 Q0202 Q0201 R0210 D0203 TL0204 TL0202 TL0203 TL0201 L0201 C0208 R0204 C0210 C0209 OUT2 CAPSTAN MOTOR DRIVER MAIN COIL OUT1 TL0205 DRIVER CONTROL LOGIC NV-FJ632EE CAPSTAN UNIT SCHEMATIC DIAGRAM...