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Sanyo LCD-32XL2 Service Manual
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Sanyo LCD-32XL2 Service Manual

Sanyo LCD-32XL2 Service Manual

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SERVICE MANUAL LCD Television
Contents
Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chassis Block Diagrams . . . . . . . . . . . . . . . . . . . . . . 4-5
IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Sub CPU Port Functions . . . . . . . . . . . . . . . . . . . . . . . 8
CPU Port Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Option Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
On-screen Service Menu System . . . . . . . . . . . . . . . 11
Initialisation of Memory IC . . . . . . . . . . . . . . . . . . . . . 12
Protection Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Service Adjustments . . . . . . . . . . . . . . . . . . . . . . . 13-14
Mechanical Disassembly . . . . . . . . . . . . . . . . . . . 15-18
Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . . . 19-20
Chassis Electrical Parts List . . . . . . . . . . . . . . . . 21-36
Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . . 37-43
N2YV/N2YVN/N2YVB
FILE NO.
Model No. LCD-32XL2
Service Ref. No. LCD-32XL2-00
P
Product Code:111376316
111376335
111376334
Original Version
Chassis Series: UE2-B
- NOTE -
Difference between Model LCD-32XL2 and LCD-32XL2B:
1) Destination LCD-32XL2... Argentina
LCD-32XL2B...Brazil
2) Power Cord.
3) Instruction Manual.
Difference between Service Ref. No. LCD-32XL2B-00 and
LCD-32XL2B-01:
1) Country of origin
LCD-32XL2B-00... Made in Argentina
LCD-32XL2B-01... Made in Brazil
Give complete "SERVICE REF. NO." for parts order or
servicing. It is shown on the rating label at the cabinet
back of the unit.
This T.V. receiver will not work properly in for-
eign countries where the television transmission
system and power source differ from the design
specifications. Refer to the specification table.
LCD-32XL2B
(Argentina / Brazil)
LCD-32XL2B-00
LCD-32XL2B-01
(LCD-32XL2-00)
(LCD-32XL2B-00)
(LCD-32XL2B-01)

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Summary of Contents for Sanyo LCD-32XL2

  • Page 1: Table Of Contents

    Safety Notice ....... . 2 Difference between Model LCD-32XL2 and LCD-32XL2B: 1) Destination LCD-32XL2...

  • Page 2: Safety Notice

    Safety Notice Safety Precautions The following precautions must be observed. 1: Comply with all caution and safety-related notes provided on the cabinet back, cabinet bottom, inside the cabinet or on the chassis. 2: When replacing a chassis in the cabinet, always be certain that all the protective devices are installed properly, such as, control knobs, adjustment covers or shields, barriers, etc..

  • Page 3: Specifications

    Specifications Power Source AC100-240 Volts, 50/60Hz Receiving System PAL-N/N/, PAL-M/M, NTSC-M/M Channel Coverage ANTENNA mode VHF: CH02 - CH13 UHF: CH14 - CH69 CATV mode VHF band: CH01-CH13 MID band: CH14-CH22 SUPER band: CH23-CH36 HYPER band: CH37-CH64 ULTRA band: CH65-CH94 and CH100-CH125 Low MID band: CH95-CH99 Aerial Input Impedance 75 Ω...

  • Page 4: Chassis Block Diagrams

    Chassis Block Diagrams (Video Signal Lines)

  • Page 5: Chassis Block Diagrams

    Chassis Block Diagrams (Audio Signal Lines)

  • Page 6: Ic Block Diagrams

    IC Block Diagrams IC3501 < BBE/Bass Sound Processer > IC001 < AUDIO AMP. > LA4919N-E NJM2155M Headphone Block HP IN1 HP OUT1 VG=6dB IN-L IN-R Voltage Ripple filter Regulator HP IN2 HP OUT2 VG=6dB HIL-L HIN-R H/P Standby SW HP D.C POWER GND Output HOUT-L...
  • Page 7 IC Block Diagrams IC3451 < Audio processor > STV8216 40 39 68 65 Headphone Detection C Interface S Interface C Bus Expander Audio Processing Loudspeaker Demodulation Loudspeaker Audio Processing Multi-Standard Audio Sound IF Smart Volume Control, ST Wide Vol. Digital Stereo Low Noise Stereo Surround, 5-band Equalizer &...

  • Page 8: Sub Cpu Port Functions

    IC Block Diagrams IC4001 < Analog LCD Display Engine > ADE3800 MCU (SCL, SDA) SMEAS Pulse Width Sync Modulation Measure GLBL XCLK GLobal Domain Control Analog Sync H&V Retiming Syncs DCLK SCLK SMUX Flicker Domain Line Lock Domain Sync Detection Multiplexer Out Data Syncs &...

  • Page 9: Cpu Port Functions

    Main CPU Port Functions (IC801) Pin No. Port Name Function N_Reset Output (Active=H) Power error-1 input PLL Lock LCD Brightness Output LED / For software flash Audio Mute / For software flash Control of Inverter (Active=L) For writing / FAN Control Check (For manufacturing process) (Active=L) Power ON/OFF Switch Input (AD Input) Key Board Input (AD Input) 8-pin of Scart-1 Input (AD Input) -Not used-...

  • Page 10: Option Setting

    Option Setting After replacing Memory IC (IC801) The memory IC (IC802) stores the option data of TV set and service adjustments data for each circuit, therefore, when the memory IC is replaced, it should be programmed to the following settings and “ Service Adjustment” on page 13- 1) How to enter the Option Setting Mode Press and hold the MUTE button on the remote control and press the CHANNEL DOWN (P ) button on the front...

  • Page 11: On-Screen Service Menu System

    On-screen Service Menu System General This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the service adjustments. On-screen Service Menu System 1) How to enter the Service Menu Press and hold the SOUND button of the remote control and press the CHANNEL DOWN (P ) button on the front control panel of the TV, and the Main menu of service mode will be displayed.

  • Page 12: Initialisation Of Memory Ic

    Initialisation of Memory IC (IC802) How to Initialise the Memory IC To initialise the Memory IC (IC802), press and hold the IMAGE button on the remote control, then press the CHANNEL DOWN button on the front panel of the TV set and then turn the Mains switch off and on. The initialisation is now completed.

  • Page 13: Service Adjustments

    Service Adjustments Important Notice: Do not attempt to adjust service adjustments not listed below otherwise it may cause loss of performance and for correct operation. 3. Decide one item in three items to a fixed value AGC Adjustment (Example, let 58 Black BalR be fixed value), select item of other 2 colors (Example, 59 Black BalG or 1.
  • Page 14 Service Adjustments MTS Adjustment 3. Adjust the level of 300Hz at Pin-1 of K36P3 to become minimum level by pressing the VOLUME + or - key. Input Level Adjustment [ Setting ] Pin-1 of K36P3(R) Minimum leakage 1. Connect a Digital Volt Meter to Pin-1 of K36P3 on the MTS unit and the ground.

  • Page 15: Mechanical Disassembly

    Mechanical Disassembly 1. Stand Removal Position TV face down on a padded or cushioned surface to protect the screen and finish. Cushion AUDIO DVD INPUT Remove 2 screws and pull the stand in the direction of the arrow to remove. AUDIO DVD INPUT -15-...
  • Page 16 Mechanical Disassembly 2. Cabinet Back Removal Remove 11 screws and take the Cabinet Back off. Note: Cabinet Back can be removed even if it does not remove a stand. AUDIO DVD INPUT -16-...

  • Page 17: Chassis Removal

    Mechanical Disassembly 3. Chassis Removal After removing Cabinet Back and Stand, detach Mounting Bracket by removing 4 screws, remove 8 screws of Chassis base, remove 2 screws of ASSY, PWB, CONTROL, disconnect each connectors and the chassis can be taken out. Fan Motor Chassis Base Speaker...
  • Page 18 Mechanical Disassembly 4. LCD Panel Removal The LCD panel can be taken out without removing the screw. LCD Panel For Gasket The gasket is provided to prevent exposure of interference for other radio and television receptions. The gasket should be replaced on previous positions after servicing. -18-...

  • Page 19: Cabinet Parts List

    Note: Parts order must contain Service Ref. No., Part No., and descriptions. Key No. Part No. Description Key No. Part No. Description 610 325 1349 CABINET FRONT-N2YV 610 324 7953 BADGE SANYO N2WW 610 325 1516 STAND BASE-N2WV 610 319 4639 DEC IND-N2WJ 610 319 4547 BUTTON-N2WJ -19-...
  • Page 20 645 072 9782 ASSY,REMOCON JXMTF 610 297 9879 RC-BATTERY LID-JXMTA 645 069 7449 CONVERSION ADAPTOR 645 082 5941 PLUG,ADAPTOR ANT(PAL) 652 001 7528 PLUG,ADAPTOR ANT(PAL) 610 325 6658 INSTRUCTION MANUAL-N2WV (For Model LCD-27XL2,LCD-32XL2:SPANISH) 610 326 8712 INSTRUCTION MANUAL-N2WVN (For Model LCD-27XL2B,LCD-32XL2B:PORTUGUESE) -20-...

  • Page 21: Chassis Electrical Parts List

    Chassis Electrical Parts List N2YV (Model LCD-32XL2 & LCD-32XL2B) Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety.
  • Page 22 N2YV Ref. No. Part No. Description Ref. No. Part No. Description 405 173 9813 TR 2SC3928A1R 405 015 8922 TR 2SC2812-L7-TB 405 173 9912 TR 2SC3928A1S 405 163 1612 TR 2SC2812N-L6-TB0 Q1005 405 014 4519 TR 2SC2412K T146 R 405 173 9813 TR 2SC3928A1R 405 014 4618 TR 2SC2412K T146 S...
  • Page 23 N2YV Ref. No. Part No. Description Ref. No. Part No. Description C027 403 387 6918 ELECT 100U M 403 370 7618 CERAMIC 10U M 6.3V C028 403 387 6918 ELECT 100U M C113 403 155 2319 CERAMIC 4700P K C031 403 215 2211 CERAMIC 0.01U K...
  • Page 24 N2YV Ref. No. Part No. Description Ref. No. Part No. Description C3444 403 279 4312 CERAMIC 0.33U K C6632 403 279 4312 CERAMIC 0.33U K C3445 403 157 3611 CERAMIC 100P J C6633 403 391 5815 ELECT 100U M 6.3V C3446 403 279 4312 CERAMIC...
  • Page 25 N2YV Ref. No. Part No. Description Ref. No. Part No. Description R1034 401 105 2716 MT-GLAZE 220 JA 1/16W R1255 401 105 1412 MT-GLAZE 150 JA 1/16W R1035 401 105 2716 MT-GLAZE 220 JA 1/16W R1256 401 105 1412 MT-GLAZE 150 JA 1/16W R1036 401 113 4412...
  • Page 26 N2YV Ref. No. Part No. Description Ref. No. Part No. Description R3481 401 105 7216 MT-GLAZE 82 JA 1/16W L1853 645 036 3894 INDUCTOR,220 OHM R3482 401 105 7216 MT-GLAZE 82 JA 1/16W L3452 645 036 3894 INDUCTOR,220 OHM R3483 401 105 0415 MT-GLAZE 100 JA 1/16W...
  • Page 27 N2YV Ref. No. Part No. Description Ref. No. Part No. Description J208 401 105 7919 MT-GLAZE 0.000 ZA 1/16W 610 325 0830 ASSY,PWB,CONTROL, N2WV J209 401 105 7919 MT-GLAZE 0.000 ZA 1/16W 1AA0B10N137MB J210 401 105 7919 MT-GLAZE 0.000 ZA 1/16W J211 401 105 7919 MT-GLAZE...
  • Page 28 N2YV Ref. No. Part No. Description Ref. No. Part No. Description 406 017 2400 TR BC847B C1806 403 164 0214 CERAMIC 0.1U Z 406 017 2509 TR BC847B C1851 403 164 0214 CERAMIC 0.1U Z 406 017 2608 TR BC847BL C1852 403 164 0214 CERAMIC...
  • Page 29 N2YV Ref. No. Part No. Description Ref. No. Part No. Description C2049 403 157 3611 CERAMIC 100P J C4048 403 164 0214 CERAMIC 0.1U Z C2050 403 281 2412 CERAMIC 0.22U K C4049 403 391 5518 ELECT 10U M C2051 403 215 0910 CERAMIC 390P J...
  • Page 30 N2YV Ref. No. Part No. Description Ref. No. Part No. Description RESISTOR C809 403 164 0214 CERAMIC 0.1U Z C810 403 169 2817 CERAMIC 330P J R1801 401 105 0415 MT-GLAZE 100 JA 1/16W C811 403 164 0214 CERAMIC 0.1U Z R1802 401 105 5311 MT-GLAZE...
  • Page 31 N2YV Ref. No. Part No. Description Ref. No. Part No. Description R4118 401 105 7919 MT-GLAZE 0.000 ZA 1/16W R846 401 105 2815 MT-GLAZE 2.2K JA 1/16W R4120 401 105 7919 MT-GLAZE 0.000 ZA 1/16W R847 401 105 2815 MT-GLAZE 2.2K JA 1/16W R4121 401 105 0514...
  • Page 32 N2YV Ref. No. Part No. Description Ref. No. Part No. Description L1842 401 037 5014 MT-GLAZE 0.000 ZA 1/10W L4026 401 037 5014 MT-GLAZE 0.000 ZA 1/10W L1843 401 037 5014 MT-GLAZE 0.000 ZA 1/10W L4101 645 068 9680 IMPEDANCE,600 OHM P L1844 401 037 5014 MT-GLAZE...
  • Page 33 N2YV Ref. No. Part No. Description Ref. No. Part No. Description MISCELLANEOUS Q657 405 014 4519 TR 2SC2412K T146 R 405 014 4618 TR 2SC2412K T146 S J4501 401 105 7919 MT-GLAZE 0.000 ZA 1/16W 405 015 8724 TR 2SC2812-L6-TB J4502 401 105 7919 MT-GLAZE...
  • Page 34 N2YV Ref. No. Part No. Description Ref. No. Part No. Description C619 403 420 8500 ELECT 100U M R1633 401 105 1610 MT-GLAZE 15K JA 1/16W C620 403 358 7319 ELECT 470U M R1634 401 105 4611 MT-GLAZE 3.9K JA 1/16W C621 404 073 4406 CERAMIC...
  • Page 35 N2YV Ref. No. Part No. Description Ref. No. Part No. Description R650 401 105 2914 MT-GLAZE 22K JA 1/16W D1632 407 190 4116 DIODE SFPL-52V R651 401 105 0613 MT-GLAZE 10K JA 1/16W D1633 407 190 4116 DIODE SFPL-52V R652 401 316 6411 MT-GLAZE 4.7K JA...
  • Page 36 N2YV Ref. No. Part No. Description Ref. No. Part No. Description PC1634 407 230 3908 PHOTO COUPLE PC123Y52J00F 407 231 7707 PC TLP421F(D4-BL) PC1635 407 230 3908 PHOTO COUPLE PC123Y52J00F 407 231 7707 PC TLP421F(D4-BL) RL1670 645 028 2713 RELAY 645 030 5597 RELAY RL680...

  • Page 37: Printed Wiring Board

    Printed Wiring Board ASSY, PWB, SIGNAL (Parts Side) To ASSY, PWB, POWER (K6G) To ASSY, PWB, SCAL (K8D) To ASSY, PWB, SCAL (K8B) To Speaker Left To Speaker Right J202 J240 J204 J236 KSPR KSPL J201 C6603 C6606 J220 J224 R1214 R6622 J112...
  • Page 38 Printed Wiring Board ASSY, PWB, SIGNAL (Solder Side) KD_3 KSPL KSPR KD_5 C024 C023 C6603 C6607 C014 C114 C113 A101 C117 D102 X133 C107 D101 X121 R103 R118 IC001 R6630 JS122 T101 X202 K1007 K1005 K1006 R1067 K1003 X3451 R1035 C1060 C1036 K1002...
  • Page 39 Printed Wiring Board ASSY, PWB, SCAL (Parts Side) To LCD PANEL (27”) To LCD PANEL (32”) C4042 L1863 C4041 C4028 C4039 C1862 R4108 R4023 L1844 C1859 R4111 L4111 C1858 C4038 C1860 C1857 C1856 C4034 ASSY,PWB,POWER R4003 R4005 (K6H) KLP2 R4006 C4123 R4115 L4118...
  • Page 40 Printed Wiring Board ASSY, PWB, SCAL (Solder Side) L1841 L1862 L1842 L1861 L1860 L1843 JW_GND R4121 L1856 L6002 L6001 RB4005 C6002 RB4004 C4562 C4564 R4002 L1897 R4024 IC6001 C4012 R4004 R4022 R4007 IC4001 C4566 R1854 L4004 L4009 R4008 C4506 C4036 C4568 L4003 C4507...
  • Page 41 Printed Wiring Board ASSY, PWB, POWER (Parts Side) ASSY,PWB,SIGNAL (KG) ASSY,PWB,SCAL (KI) ASSY,PWB,SCAL (KH) To INVERTER To INVERTER To POWER CORD -41-...
  • Page 42 Printed Wiring Board ASSY, PWB, POWER (Solder Side) -42-...
  • Page 43 Printed Wiring Board ASSY, PWB, CONTROL (Parts Side) To ASSY,PWB,SCAL (K8J) ASSY, PWB, CONTROL (Solder Side) SC3951 SC3952 SC3905 SC3902 C3903 C3902 D3951 D3902 C3904 D3952 R3905 R3901 R3902 SC3903 A3901 R3957 R3956 SC3904 R3955 D3901 ASSY, PWB, MTS (Parts Side) ASSY, PWB, MTS (Solder Side) To ASSY,PWB,SIGNAL (K3P) -43-...
  • Page 44 Oct./’05 NEWSAN S. A. Una empresa del grupo SANYO Electric Co.
  • Page 45 J11B7370G J10QF110G J10AU110N [ Model LCD-27XL2, LCD-27XL2B ] J10AU140N ASSY,PWB,POWER,N2WV ASSY,PWB,SIGNAL,N2WV ASSY,PWB,SCAL N2WV 1AA0B10N152A0 1AA0B10N137MA 1AA0B10N138B0 J10QF140G [ Model LCD-32XL2, LCD-32XL2B ] J10AU120N ASSY,PWB,SCAL N2YV 1AA0B10N138C0 K1004 (AV4 INPUT) J11XB400G DIFFERENCE LIST VIDEO Model LCD-27XL2, LCD-27XL2B Model LCD-32XL2, LCD-32XL2B 1AA0B10N138B0...
  • Page 46 TO MOTOR FAN KFN1 KFN3 J10AU035N JS1253 IC1224 R1230 KF3_G R/CR-IN KF1_G 5V_SW BA7626FP C1218 C1205 KF3_1 1/16 L1203 G/Y-IN K1008 CJ82 GJ270C 16KZ2.2FA KF1_1 C1231 L2F74R7JG B/CB-IN IC6602 1 MONOUT TV-OUT1 L6604 C6618 P_GND D6607 TP6602 Q1262 25EM POWER 2 GND CTLA CTL_A...
  • Page 47 K45PC_7 INSIDE OF SHIELD CASE GND_C GND_C GND_C OUTSIDE OF SHIELD CASE K24HD K45PC [ Model LCD-32XL2, LCD-32XL2B ] [ Model LCD-27XL2, LCD-27XL2B ] J10QF115G TO POWER UNIT (K6I) TO SIGNAL UNIT TO SIGNAL UNIT ASSY,PWB,SCAL N2YV ASSY,PWB,SCAL N2WV 1AA0B10N138C0...
  • Page 48 :TLP421F-BL R1684 10KC Q1672 CL605 1/16 CL603 D1674 1SS355 (NENU) SC601 VA602 GJ10KC CL606 DVXAVB005 CL601 Z30B0170N GND2 (LIVE) W900 CORD, POWER CL602 F601 Model LCD-27XL2, LCD-32XL2 : 4W10B18400 4A250VTCSL ASSY,PWB.POWER,N2WV Model LCD-27XL2B, LCD-32XL2B : 4W10B18300 1AA0B10N152A0 N2WV/N2YV (Page 4/4)

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