Sanyo CE32FWH1F-C Service Manual
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Sanyo CE32FWH1F-C Service Manual

Sanyo CE32FWH1F-C Service Manual

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Colour Television
Service Manual
Model No. CE32FWH1F-C
Service Ref. No. CE32WFH1F-C-00
PRODUCT CODE:111352710
ORIGINAL VERSION: Chassis No. WB5-B
Give complete "SERVICE REF. NO." for parts
order or servicing, it is shown on the rating sheet
on the cabinet back of the TV set.
Note
This TV receiver will not work properly in foreign
countries where the television transmission system
and power source differ from the design
design specifications.
CONTENTS
Block Diagrams..................................................................................................................................3 -6
Cabinet Disassembly ............................................................................................................................7
Adjustment and Repair Procedures................................................................................................8 - 13
Component Locations ..................................................................................................................14 - 15
CPU Functions..............................................................................................................................16 - 18
IC block diagrams ........................................................................................................................19 - 26
Pin description of semi-conductors ......................................................................................................27
Parts description and reading of schematic diagram ..........................................................................28
Cabinet Parts List/TV Stand Parts List ................................................................................................29
Electrical Parts List ......................................................................................................................30 - 53
Part No. SKSM0425
C2MLL
NOVEMBER 2000
32FWH1F
CE
-C

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Summary of Contents for Sanyo CE32FWH1F-C

  • Page 1: Table Of Contents

    32FWH1F Colour Television Service Manual Model No. CE32FWH1F-C Service Ref. No. CE32WFH1F-C-00 PRODUCT CODE:111352710 ORIGINAL VERSION: Chassis No. WB5-B Give complete “SERVICE REF. NO.” for parts order or servicing, it is shown on the rating sheet on the cabinet back of the TV set.

  • Page 2: Safety Precaution

    SAFETY PRECAUTION 1: An isolation transformer should be connected in the 3: When replacing a chassis in the cabinet, always be power line between the receiver and the AC line certain that all the protective devices are installed when a service is performed on the primary of the properly, such as, control knobs, adjustment covers converter transformer of the set.

  • Page 3: Block Diagrams

    CHASSIS DESCRIPTION [Chassis Block Diagrams] This is a basic diagram for all models and therefore differs slightly from the actual block diagram. Outline Fig.-1 WB5-B chassis...

  • Page 4: Chassis Description

    CHASSIS DESCRIPTION Video signal rooting IF Stage IC101 IC241 IC351 IF/VIDEO/ SHARPNESS MATRIX CHROMA <TDA9178> <TDA9330H> <TDA9321H> SAW Filter IC731 R-VIDEO OUT <TDA6101Q> 2(Y, U, V) Y, U, V DIGITAL SCAN IC721 CONVERTER G-VIDEO OUT H-Sync CIRCUIT <TDA6101Q> Filtering V-Sync circuit Picture Tube IC711...

  • Page 5: System Control

    CHASSIS DESCRIPTION RL1601 System control Q1652 Power CVBS input Supply AC RELAY Circuit RL1602 Q1671 Degausing Coild DC RELAY 60 48 49 44-47 42 42 IC802 IC801 RC Pre-amp. IC807 I/O Expander 19 20 21 22 23 MUTE ON/OFF SDA/SCL C Bus SDA/SCL-2 HOLD DOWN...
  • Page 6 CHASSIS DESCRIPTION [Digital Scan Operation] 100Hz Digital Scan Converter circuit (available only 100Hz models) 100Hz converter circuit consists of the following ICs. - TC90A36F, IC7201 Field Progressive Converter - MSM518221A, IC7202, IC7203 Video Memory - TLC2932I, IC7205 PLL (Phase Locked Loop) - MC74HC04AFP, IC7341 invertor The Y-signal output from IC101 is sent to pin 85 of IC7201<TC90A36F>, field progressive...
  • Page 7 CHASSIS DESCRIPTION 50Hz 100Hz A' = A, B'= B (b) Double Scan (a) Normal Scan Fig.-7 100Hz Digital Scan Converter circuit (available only 100Hz models) 100Hz converter circuit consists of the following ICs. - TC90A36F, IC7201 Field Progressive Converter - MSM518221A, IC7202, IC7203 Video Memory - TLC2932I, IC7205 PLL (Phase Locked Loop)
  • Page 8 CHASSIS DESCRIPTION sampling clock= 16MHz = 1024/1 horiz. sampling clock = 32MHz = 2048/1 horiz. 1024 sampling 2048 sampling 2048 sampling Double Scan Converting (a) Write (b) Read Write Time divided multiplex Read out in double clock B-Y7 R-Y Fig.-8 100Hz Digital Scan Converter circuit (available only 100Hz models) 100Hz converter circuit consists of the following ICs.
  • Page 9 CHASSIS DESCRIPTION Power supply & Protection circuit Fig.-9 WB5-B chassis...

  • Page 10: Cabinet Disassembly

    DISASSEMBLY CABINET BACK DISASSEMBLY 1. Remove 10 screws (A) and 3 screws (B) 2. Pull out the cabinet back backward. ANALOGUE ANT.75Ω WB5-B chassis...

  • Page 11: Service Adjustments

    SERVICE ADJUSTMENTS [After replacing the Menory IC (IC803)] The memory IC, IC803, stores the feature setting data of TV set and service adjustments data for each circuit, therefore, when the memory IC is replaced, it should be performed by following “FEATURE SETTING” and “SERVICE ADJUSTMENT”.
  • Page 12 SERVICE ADJUSTMENTS [SERVICE ADJUSTMENT] Note: Some items of the service adjustments for this chassis are controlled by the CPU, IC801, and the adjustments are carried out by using the RC handset. IMPORTANT NOTICE Do not attempt to adjust service adjustments not listed on the above otherwise it may cause loss of performance and product safety.
  • Page 13 SERVICE ADJUSTMENTS ADJUSTABLE SERVICE ADJUSTMENT IMPORTANT NOTICE Do not attempt to change the data value of service items not listed below table otherwise it may cause loss of performance and product safety. If you can not restore the data value of each service item, please initialize the momory IC following to the below description “INITIALIZATION OF MEMORY IC”...

  • Page 14: Important Notice

    SERVICE ADJUSTMENTS [ADJUSTMENTS] How to adjust the each service data, Please see “SERVICE ADJUSTMENT on page 12 for Entering the Service mode , Selecting service item and Adjusting the service data value. IMPORTANT NOTICE Do not attempt to adjust the following service adjustments except requiring the readjustments in servicing otherwise it may cause loss of performance and product safety.
  • Page 15 SERVICE ADJUSTMENTS GREY SCALE ADJUSTMENT SCREEN ADJUSTMENT 1. Select AV1 mode and no signal input. 2. Enter to the service mode and select mode “REGULAR”, item “REGULAR 4SCR”. 3. Turn the SCREEN VR to set data value to “11”. GREY SCALE ADJUSTMENT HORIZONTAL ADJUSTMENT 4.
  • Page 16 SERVICE ADJUSTMENTS PCC ADJUSTMENT HIGH-VOLTAGE CONFIRMATION PCC ADJUSTMENT 1. Receive a circular pattern. 1. Receive a cross-hatch pattern. 2. Connect the high voltage meter to CRT anode and 2. Enter to the service mode and select mode “WIDE”, GND. item “WIDE 11.P-PCC”. 3.

  • Page 17: Component Locations

    COMPONENT LOCATIONS Main Board WB5-B chassis C2MLL...
  • Page 18 COMPONENT LOCATIONS Power and Def. Board C2MLL WB5-B chassis...
  • Page 19 SYSTEM CONTROL PORT FUNCTIONS IC801 <CPU Port functions> Pin No. Function Name Function IN/OUT MMU0 MMU3 ADDR10 Address bus 10 ADDR11 Address bus 11 ADDR9 Address bus 9 ADDR8 Address bus 8 OSC-IN Clock Input OSC-OUT Clock Output ADDR13 Address bus 13 ADDR14 Address bus 14 MMU1...
  • Page 20 Pin No. Function Name Function IN/OUT TXCF CVBS0 TEST0 CVBS1 CVBS2 GND-A DAT3 Data bus 3 DAT4 Data bus 4 DAT5 Data bus 5 DAT6 Data bus 6 DAT7 Data bus 7 DAT2 Data bus 2 DAT1 Data bus 1 DAT0 Data bus 0 ADDR0...
  • Page 21 IC807 <I/O Expander-2 Port functions> Pin No. Function Name Function IN/OUT Chip Address Chip Address Chip Address DM Power Error Error: H Digital LED-2 Hold Down Detect Input Error: H On-Timer LED ON: H DSP Reset L: Rest Digital LED-1 Dolby Initial Reset Power On/Mute Out Power On: H VDAC...

  • Page 22: Ic Block Diagrams

    IC BLOCK DIAGRAMS IC001 TA8200AH <Audio Output> TA8200AH AMP2 AMP1 SPEAKER SPEAKER IC101 TDA9321H <IIC bus controlled TV input processor> C2MLL WB5-B chassis...
  • Page 23 IC BLOCK DIAGRAMS IC201 TDA9178T <YUV Picture Improvement> IC202 TDA9330H <IIC bus controlled TV display processor> WB5-B chassis C2MLL...
  • Page 24 IC BLOCK DIAGRAMS IC501 LA7846NZ <Vertical Output> THERMAL PUMP PROTECTION LA7846N IC611 STR-F6656 <Power Switching> C2MLL WB5-B chassis...
  • Page 25 IC BLOCK DIAGRAMS IC711, IC721, IC731 TDA6101Q <Video Output> IC801 ST92R195 <CPU> WB5-B chassis C2MLL...
  • Page 26 IC BLOCK DIAGRAMS IC807, IC808 PCF8574AT <I/O Expander> IC809 CXA1315M <DAC> SAD2 SAD1 SAD0 SW0~SW3 10 9 Open collector CXA1315P Level Level LATCH convert convert C bus C Decoder Power LATCH LATCH LATCH LATCH LATCH Reset REG. DAC4 DAC3 DAC2 DAC1 DAC0 C2MLL...
  • Page 27 IC BLOCK DIAGRAMS IC1201 MM1313BD <AV Selector> IC1202 NJM2284M <Selector> WB5-B chassis C2MLL...
  • Page 28 IC BLOCK DIAGRAMS IC1303 M34225M1 <Sub CPU> IC3451 TDA9875A <Digital TV Sound Processor> AUXOR SIF1 AUXOL SIF2 C2MLL WB5-B chassis...
  • Page 29 IC BLOCK DIAGRAMS IC7101 CXD2064Q <3-Line Comb Filter> Vertical enhancement circuit NTSC:1H NTSC:1H ADIN PAL : 2H PAL : 2H CLPO CLAMP Adaptive filter operation Logical operation 4fsc Phase comparator PLSL PLSL PLSL IC7202, IC7203 MSM518221A <Field Memory> WB5-B chassis...
  • Page 30 IC BLOCK DIAGRAMS IC7204, IC7205 TLC2932 <PLL> WB5-B chassis...

  • Page 31: Pin Description Of Semiconductors

    PIN DESCRIPTION OF SEMICONDUCTORS Diode Diode K: Cathode A: Anode Transistor/FET Transistor/FET C: Collector D: Drain B: Base G: Gate Index E: Emitter S: Source C1 C2 C1 C2 (GND) RESET (IN) (OUT) Index Index Index Index Index Index Index Index Index WB5-B chassis...

  • Page 32: Parts Description And Reading Of Schematic Diagram

    PARTS DESCRIPTION AND READING OF SCHEMATIC DIAGRAM 1. The parts specification of resistors, capacitors and Resistor Reading coils are expressed in designated code. Please Example 1/2 D J 10K B check the parts description by the following code table. Characteristic 2.

  • Page 33: Cabinet Parts List/Tv Stand Parts List

    DEC IND-C2LC 610 288 0014 GRILLE SP-C2LA 610 253 2449 HOLDER AC CORD-GBR-D4VA 610 261 3032 SPRING-E7GC 645 030 7355 BADGE,SANYO*53.5X12L53.5 610 104 2505 LATCH PUSH,7.9X6.9BK 610 224 5721 CRT CUSHION-B3MY-UK ACCESSORIES 645 035 9538 ASSY,REMOCON JXMFE 610 279 2577...

  • Page 34: Electrical Parts List

    They should be ordered separately. Ref. No. Part No. Description Ref. No. Part No. Description Chassis construction NOTES: CE32FWH1F-C-00 Read description in the Capacitor and Resistor as follows: OUT OF CIRCUIT - 013C2ML (Page 30) CAPACITOR 1AA0B10E605B0 ASSY,PWB,MAIN-C2ML (Page 30-43) CERAMIC 100P K 50V...
  • Page 35 Ref. No. Part No. Description Ref. No. Part No. Description 405 015 8704 TR 2SC2812-L6-TB Q1224 405 134 5905 TR 2SA1037AK-T146-R 405 015 8902 TR 2SC2812-L7-TB 405 147 2205 TR 2SA1037AK-S-T146 Q1205 405 014 4509 TR 2SC2412K T146 R 405 002 0308 TR 2SA1037K T146 R 405 014 4608 TR 2SC2412K T146 S...
  • Page 36 Ref. No. Part No. Description Ref. No. Part No. Description Q139 405 134 5905 TR 2SA1037AK-T146-R 405 147 2205 TR 2SA1037AK-S-T146 405 147 2205 TR 2SA1037AK-S-T146 405 002 0308 TR 2SA1037K T146 R 405 002 0308 TR 2SA1037K T146 R 405 002 0407 TR 2SA1037K T146 S 405 002 0407...
  • Page 37 Ref. No. Part No. Description Ref. No. Part No. Description 405 014 4608 TR 2SC2412K T146 S 405 147 2205 TR 2SA1037AK-S-T146 405 015 8704 TR 2SC2812-L6-TB 405 002 0308 TR 2SA1037K T146 R 405 015 8902 TR 2SC2812-L7-TB 405 002 0407 TR 2SA1037K T146 S Q308 405 134 5905...
  • Page 38 Ref. No. Part No. Description Ref. No. Part No. Description Q7322 405 014 4519 TR 2SC2412KT146/R CAPACITOR Q7323 405 134 5925 TR 2SA1037AK-T146-R CEMC2 403 009 3001 CERAMIC 100P J Q7324 405 134 5925 TR 2SA1037AK-T146-R CEMC3 403 157 6414 CERAMIC GRM39X7R331K50PT Q7325 405 014 4519...
  • Page 39 Ref. No. Part No. Description Ref. No. Part No. Description C1237 403 041 8804 ELECT 10U M C146 403 149 9208 CERAMIC 0.01U Z C1238 403 042 2405 ELECT 100U M C147 403 149 9208 CERAMIC 0.01U Z C1239 403 149 9208 CERAMIC 0.01U Z C148...
  • Page 40 Ref. No. Part No. Description Ref. No. Part No. Description C258 403 113 3805 CERAMIC 1000P K C681 403 047 3100 ELECT 47U M C259 403 155 1500 CERAMIC 180P J C682 403 149 9208 CERAMIC 0.01U Z C261 403 157 2901 CERAMIC 47P J C683...
  • Page 41 Ref. No. Part No. Description Ref. No. Part No. Description C7223 403 164 0214 CERAMIC 0.1U Z C816 403 061 8303 POLYESTER 4700P K C7224 CU1A100MABALC 10SC10M+T 5X6.8 O 403 179 1104 POLYESTER 4700P K C7225 403 217 1103 ELECT 22U M C817 403 145 9905...
  • Page 42 Ref. No. Part No. Description Ref. No. Part No. Description R108 401 105 8114 MT-GLAZE 56K JA 1/16W R1272 401 105 0702 MT-GLAZE 100K JA 1/16W R109 401 105 0603 MT-GLAZE 10K JA 1/16W R1273 401 105 5301 MT-GLAZE 4.7K JA 1/16W R111 401 105 0603 MT-GLAZE...
  • Page 43 Ref. No. Part No. Description Ref. No. Part No. Description R138 401 105 8213 MT-GLAZE 68K JA 1/16W R197 401 105 0702 MT-GLAZE 100K JA 1/16W R139 401 105 2914 MT-GLAZE 22K JA 1/16W R201 401 105 0702 MT-GLAZE 100K JA 1/16W R140 401 105 0405 MT-GLAZE...
  • Page 44 Ref. No. Part No. Description Ref. No. Part No. Description R306 401 105 2805 MT-GLAZE 2.2K JA 1/16W R7014 401 105 5806 MT-GLAZE 56 JA 1/16W R307 401 105 6506 MT-GLAZE 680 JA 1/16W R7015 401 105 0504 MT-GLAZE 1K JA 1/16W R308 401 105 5202 MT-GLAZE...
  • Page 45 Ref. No. Part No. Description Ref. No. Part No. Description R7317 401 105 5212 MT-GLAZE 470 JA 1/16W R813 401 105 0405 MT-GLAZE 100 JA 1/16W R7318 401 105 5212 MT-GLAZE 470 JA 1/16W R814 401 105 0603 MT-GLAZE 10K JA 1/16W R7319 401 105 0415 MT-GLAZE...
  • Page 46 Ref. No. Part No. Description Ref. No. Part No. Description R894 401 105 0405 MT-GLAZE 100 JA 1/16W 645 031 2687 INDUCTOR,3.3U M R897 401 105 5806 MT-GLAZE 56 JA 1/16W L7103 645 036 3894 INDUCTOR,220 OHM R898 401 105 0603 MT-GLAZE 10K JA 1/16W L7104...
  • Page 47 Ref. No. Part No. Description Ref. No. Part No. Description D007 407 149 0807 DIODE 1SS355-TE-17 D830 407 149 0807 DIODE 1SS355-TE-17 D101 407 149 0817 DIODE 1SS355-TE-17 D831 407 149 0807 DIODE 1SS355-TE-17 D102 407 187 8001 ZENER DIODE UDZ10B-TE-17 D832 407 187 8001 ZENER DIODE UDZ10B-TE-17...
  • Page 48 Ref. No. Part No. Description Ref. No. Part No. Description 405 012 2309 TR 2SC1815-Y 403 256 0808 MT-COMPO 0.47U J 405 157 0505 TR 2SC536NF-NPA C509 403 060 0704 POLYESTER 2700P K 405 151 8705 TR 2SC536NG-NPA 403 179 2200 POLYESTER 2700P K 405 020 7501...
  • Page 49 Ref. No. Part No. Description Ref. No. Part No. Description RESISTOR R602 401 007 2903 CARBON 1M JA 1/2W R401 401 024 7024 CARBON 1K JA 1/6W R603 401 069 4501 OXIDE-MT 68K JA R402 401 026 6629 CARBON 390 JA 1/6W R604 401 069 4501...
  • Page 50 Ref. No. Part No. Description Ref. No. Part No. Description 407 007 7009 DIODE EU01 Q8802 405 014 4509 TR 2SC2412K T146 R D433 407 012 4406 DIODE 1SS133 405 014 4608 TR 2SC2412K T146 S D434 407 099 7208 ZENER DIODE MTZJ16A 405 015 8704 TR 2SC2812-L6-TB...
  • Page 51 Ref. No. Part No. Description Ref. No. Part No. Description 405 002 6706 TR 2SA1179-M6-TB 403 262 1806 CERAMIC 1000P K 405 002 6904 TR 2SA1179-M7-TB C8853 403 254 9704 CERAMIC 2200P K Q8824 405 013 6306 TR 2SC2271-E-CTV 403 232 2802 CERAMIC 2200P K Q8825...
  • Page 52 Ref. No. Part No. Description Ref. No. Part No. Description R8864 401 105 0603 MT-GLAZE 10K JA 1/16W 405 014 4608 TR 2SC2412K T146 S R8865 401 105 8104 MT-GLAZE 56K JA 1/16W 405 015 8704 TR 2SC2812-L6-TB R8866 401 105 4205 MT-GLAZE 33K JA 1/16W 405 015 8902...
  • Page 53 Ref. No. Part No. Description Ref. No. Part No. Description R1467 401 024 6720 CARBON 100 JA 1/6W K14J 645 008 7295 HOUSING PLUG 6P R1468 401 021 3049 CARBON 5.6K JA 1/4W SW1901 610 011 4432 SWITCH,PUSH R1469 401 024 6720 CARBON 100 JA 1/6W...
  • Page 54 Ref. No. Part No. Description Ref. No. Part No. Description L1028 645 001 4567 INDUCTOR,10U K C1654 403 069 8305 CERAMIC 0.01U Z L1029 645 001 4567 INDUCTOR,10U K C1655 403 069 8305 CERAMIC 0.01U Z L1030 645 001 4567 INDUCTOR,10U K C1656 403 069 8305...
  • Page 55 Ref. No. Part No. Description Ref. No. Part No. Description MISCELLANEOUS 405 151 8705 TR 2SC536NG-NPA F1601 423 022 2102 FUSE 250V 405 020 7501 TR 2SC945A-PA F1601Y 645 000 5077 HOLDER,FUSE 405 020 7709 TR 2SC945A-QA F1601Z 645 000 5077 HOLDER,FUSE 405 020 7907 TR 2SC945A-RA...
  • Page 56 Ref. No. Part No. Description Ref. No. Part No. Description C707 403 019 7313 CERAMIC 27P J R737 401 000 2326 SOLID ERC-12GK102V PANA C708 403 019 7313 CERAMIC 27P J R739 401 024 6700 CARBON 100 JA 1/6W C709 403 049 0008 ELECT 1U M...
  • Page 57 R2309 401 068 0207 OXIDE-MT 3.9K JA All information in this manual is correct at the start of production. Sanyo reserves the right to modify VARIABLE RESISTOR components and procedures in order to comply with VR2301 645 002 3521 VR,SEMI,470 S their continuous improvement policy.
  • Page 58 -58- C2MLL...
  • Page 59 -59- C2MLL...
  • Page 60 Sanyo Industries (UK) Ltd Printed in UK...

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