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SERVICE MANUAL Colour Television
VIDE O
L-AU DIO -R
TV/A V MEN U
Specifications
Power Source . . . . . . . . . . AC110-240V, 50Hz/60Hz.
Colour System . . . . . . . . . PAL/NTSC4.43/NTSC/PAL-60Hz
Television System . . . . . . B/G
Channel Coverage
. . . . . VHF: E2-E12
UHF: 21-69
CATV: S1-S41, X, Y, Z, Z+1, Z+2
Video IF . . . . . . . . . . . . . . 38.0MHz
Aerial Input Impedance . . 75Ω
Ext. Terminals
Video inputs: Phono jack 2 (1Vp - p, 75Ω)
Audio inputs: Phono jack (L/R) 2(436mVrms, more than 40KΩ)
Video monitor outputs: Phono jack 1(1Vp - p, 75Ω)
Audio monitor outputs: Phono jack (L/R) 1(436mVrms, less than 600Ω)
Sound Output (RMS) . . . . 5W + 5W
. . . . . . . . . . . . . ∅ 8 cm 2 pcs.
Speaker
Dimensions . . . . . . . . . . . 496 (W) 470 (H) 482 (D)mm
Weight
. . . . . . . . . . . . . . approx. 21.5 Kg
Specifications subject to change without notice.
C5ZB
All manuals and user guides at all-guides.com
-
+
CH
FILE NO.
Model No. CT21MF2
Service Ref. No. CT21MF2-00
TIMER
TV/AV
1
2
3
4
5
6
7
8
9
0
-/--
BASS
A B
SURROUND
P
P
CH SCAN
P
SWAP
MENU
PIC MODE
JXMYA
Product Code: 111368901
Original Version
Chassis Series: AC5-G1
Give complete "SERVICE REF. NO." for
parts order or servicing. It is shown on the
rating plate at the cabinet back of the unit.
This T.V. receiver will not work properly in
foreign countries where the television
transmission system and power source dif-
fer from the design specifications. Refer to
the specification table.
REFERENCE NO.
(Thailand)
P
SM
5110651
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Table of Contents
Related Manuals for Sanyo CT21MF2
Summary of Contents for Sanyo CT21MF2
- Page 1 All manuals and user guides at all-guides.com FILE NO. SERVICE MANUAL Colour Television Model No. CT21MF2 (Thailand) Service Ref. No. CT21MF2-00 TIMER TV/AV -/-- BASS SURROUND CH SCAN SWAP MENU PIC MODE VIDE O L-AU DIO -R TV/A V MEN U...
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Page 2: Table Of Contents
All manuals and user guides at all-guides.com Contents Safety Notice ................2 Chassis Block Diagram . -
Page 3: Chassis Block Diagram
All manuals and user guides at all-guides.com Chassis Block Diagrams (MAIN SIGNAL PROCESSING CIRCUIT) - Page 4 All manuals and user guides at all-guides.com Chassis Block Diagrams SYSTEM CONTROL...
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Page 5: Ic Block Diagrams
All manuals and user guides at all-guides.com IC Block Diagrams IC201 < IF/Video/Chroma/Def. > LA76818 Audio Output SIF Input FM Output/Selected SIF APC Filter Audio Output SIF Output PIF AGC Ext. Audio Input RF AGC Output APC Filter PIF Input1 VCO Coil 1 PIF Input 2 VCO Coil 2... - Page 6 All manuals and user guides at all-guides.com IC Block Diagrams IC201 <IF System Block Diagram> LA76818...
- Page 7 All manuals and user guides at all-guides.com IC Block Diagrams IC001 < Audio Amp. > AN7522N IC501 < Vertical Output > LA78040/LA78040N Thermal Protection Pump...
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Page 8: Service Information
All manuals and user guides at all-guides.com IC Block Diagrams IC3701 < Audio Control > NJW1142M SR-FIL MONa TONE Ha TONE La OUT a LINEa IN 1a IN 2a VOL 2 TONE VOL 1 IN 3a NJRC IIC BUS IN 4a ORIGINAL INTERFACE SURROUND... -
Page 9: Service Adjustments With Replacing Memory Ic(Ic802)
All manuals and user guides at all-guides.com Service Adjustments with Replacing Memory IC(IC802) Note: The CPU (IC801) and memory IC (IC802) store the service adjustments data and controls data for each circuit.When the Memory IC(IC802) is replaced, some of the service adjustments should be readjusted to obtain the best performance. - Page 10 All manuals and user guides at all-guides.com Service Adjustments with Replacing Memory IC(IC802) Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments. Service mode adjustments table in CPU ROM DATA INITIAL DATA INITIAL ITEM...
- Page 11 All manuals and user guides at all-guides.com Service Adjustments with Replacing Memory IC(IC802) DATA INITIAL DATA INITIAL ITEM RANGE SETUP DESCRIPTION ITEM RANGE SETUP DESCRIPTION DATA DATA TUNER Tuner Option 0~255 ROM Correction AV123 AV1/AV2/AV3 Option, 0=AV only, 0~255 ROM Correction 1=AV1, AV2, 2~3=AV1, AV2,AV3 0~255 ROM Correction...
- Page 12 All manuals and user guides at all-guides.com Service Adjustments with Replacing Memory IC(IC802) [Entering to Service Mode] Press and hold the MENU button on the Remote Control and press the VOLUME (+) button on the TV set. Following setting items appears on the screen. MENU Display for [RF AGC] RF AGC adjustment MENU...
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Page 13: Service Mode Adjustments
All manuals and user guides at all-guides.com Service Mode Adjustments Following adjustments should be carried out when the memory IC is replaced. How to enter the service mode and adjust values, please refer to “ Entering to Service mode” on page 12. Item 05 [V-SCO] V-S CORRECTION Item 01 [RF AGC] AGC NOTE: Do not attempt this adjustment with weak signal. - Page 14 All manuals and user guides at all-guides.com Service Mode Adjustments Items 14-17, 19-21 GREY SCALE (1) Receive the monochrome circular pattern. (2) Set the brightness and colour to normal, contrast to maximum. (3) Enter to the service mode. (4) Set each value of Item-14 RBIAS, 15 GBIAS, 16 BBIAS mode to 0, 17 RDRIV, 19 BDRIV mode to 64. (5) Select Item-20 mode to be one horizontal scanning line and turn the screen volume on the FBT to obtain just visible one coloured line.
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Page 15: Service Adjustments
All manuals and user guides at all-guides.com Service Adjustments Following adjustments are not required to readjust when replacing the memory IC. B-VOLTAGE SUPPLY CHECKING HIGH VOLTAGE CHECK (1) Connect DC meter to TP-B and the ground. Note: +B (+130V) Voltage Check and Grayscale Adjustment (2) Tune the receiver to an active channel and synchro- must be completed before attempting High Voltage Check. -
Page 16: Special Function
All manuals and user guides at all-guides.com Special Function The following special functions can be set up on this TV How to set the special function: set. Note: When making the VOLUME LOCK setting, set the (1) Volume Lock setting desired maximum sound volume by pressing the VOLUME + or - button before entering Special Function setting mode. -
Page 17: Purity And Convergence Adjustment
All manuals and user guides at all-guides.com Purity and Convergence Adjustment CAUTION: The Convergence and Purity adjustments have been made at the factory. Readjustment should be made only after picture tube or deflection yoke replacement, following the steps below: PURITY ADJUSTMENT 8. -
Page 18: Cabinet Parts List
610 229 8406 SPRING-E3HA 610 314 4344 DEC.IND-C5ZJ 610 309 2171 BUTTON UNITED-C5ZA 610 308 1175 CABINET FRONT-C5ZA 645 040 4672 BADGE,SANYO*43.5X10L43.5 645 041 7269 BADGE,SANYO*43.5X10L43.5 610 308 1182 CABINET BACK-C5ZA 610 256 7670 HOLDER AC CORD-SGP-D4VA 645 054 3579 ASSY,REMOCON JXMYA... -
Page 19: Chassis Electrical Parts List
All manuals and user guides at all-guides.com Chassis Electrical Parts List C5ZB 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 20 All manuals and user guides at all-guides.com C5ZB Ref. No. Part No. Description Ref. No. Part No. Description Q261 4060087407 TR 2SA1015-G(SAN)-TPE2 4050118619 TR 2SC1740S-S 4050017417 TR 2SA1015-O(SAN) 4050122012 TR 2SC1815-GR 4050017615 TR 2SA1015-Y(SAN) 4050122111 TR 2SC1815-O 4050043119 TR 2SA564A-Q(CU) 4050122319 TR 2SC1815-Y 4050043218...
- Page 21 All manuals and user guides at all-guides.com C5ZB Ref. No. Part No. Description Ref. No. Part No. Description IC3701 4095644319 IC NJW1142M 4030494224 ELECT 10U M IC501 4094494103 IC LA78040 C206 4033423310 CERAMIC 0.1U K 4095070900 IC LA78040N C207 4033423310 CERAMIC 0.1U K IC651...
- Page 22 All manuals and user guides at all-guides.com C5ZB Ref. No. Part No. Description Ref. No. Part No. Description C3715 4033423310 CERAMIC 0.1U K C612 4032378057 MT-COMPO 0.1U J C3717 4040848806 ELECT 1U M MT-COMPO 0.1U J 4030490018 ELECT 1U M C613 4031789418 POLYESTER...
- Page 23 All manuals and user guides at all-guides.com C5ZB Ref. No. Part No. Description Ref. No. Part No. Description 4030494224 ELECT 10U M R235 4011050910 MT-GLAZE 120 JA 1/16W R236 4011050910 MT-GLAZE 120 JA 1/16W RESISTOR R243 4010683703 OXIDE-MT 470 JA R012 4011057919 MT-GLAZE...
- Page 24 All manuals and user guides at all-guides.com C5ZB Ref. No. Part No. Description Ref. No. Part No. Description R618 4010247034 CARBON 1K JA 1/6W R866 4010246730 CARBON 100 JA 1/6W R619 4010258238 CARBON 22K JA 1/6W R869 4010246730 CARBON 100 JA 1/6W R620 4010200851...
- Page 25 All manuals and user guides at all-guides.com C5ZB Ref. No. Part No. Description Ref. No. Part No. Description 4080480301 ZENER DIODE MTZJ9.1C-52 D610 4072348701 PHOTO COUPLE PC123X5YFZ D1007 4070639623 ZENER DIODE MTZJ9.1A 4072303908 PHOTO COUPLE PC123Y52 4070579632 ZENER DIODE RD9.1EB1 4072317707 PC TLP421F(D4-BL) 4071622713...
- Page 26 All manuals and user guides at all-guides.com C5ZB Ref. No. Part No. Description Ref. No. Part No. Description ZENER DIODE RD3.6EL CAPACITOR C703 4031576513 CERAMIC 390P K MISCELLANEOUS C705 4031576414 CERAMIC 330P K F601 4230288603 FUSE 250V C707 4031576414 CERAMIC 330P K 4230248409 FUSE...
- Page 27 All manuals and user guides at all-guides.com -27-...
- Page 28 All manuals and user guides at all-guides.com SANYO Electric Co., Ltd. Jun. /’04 Printed in Thailand...
- Page 29 8. This circuit diagram covers a basic or representative chassis only. S: Oxied metalized Rated wattage (1/2W) W: Wire wounding There POSISTER SERVICE CT21MF2-00 C: Solid RESISTOR may be some components or partial circuit differences between the REF. NO. 12 X 10 =12K actual chassis and the circuit diagram.
- Page 30 All manuals and user guides at all-guides.com Schematic Dia 21-C5ZB 7/2/04 4:23 PM Page 2 CRT BOARD (Component Location) Waveforms & Voltages (On the Main Board) R713 IC001 (AUDIO AMP.) Q701 R719 Pin-1 12.7V 5.9V 5.9V 6.8V 1.5V 1.5V 0.4V R711 L702 Q701A...