Sanyo CE21DN5-C Service Manual
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Sanyo CE21DN5-C Service Manual

Sanyo CE21DN5-C Service Manual

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Colour Television
Service Manual
Model CE21DN5-C
Service Ref. No. CE21DN5-C-00
PRODUCT CODE: 111351116
ORIGINAL VERSION: Chassis No. EB6-A
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
specifications. Refer to the specifications for the
design specifications
Contents
Safety precautions/Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Block diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3~5
Cabinet Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Adjustment and Repair Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7~11
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14~15
IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16~18
Pin description of semiconductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Part Description and reading of schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Cabinet Parts List/TV Stand parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Electric Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22~29
Part No.
SKSM0379
C2KVV
AUGUST 2000
21DN5
CE
-C

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Summary of Contents for Sanyo CE21DN5-C

  • Page 1: Table Of Contents

    Colour Television 21DN5 Service Manual Model CE21DN5-C Service Ref. No. CE21DN5-C-00 PRODUCT CODE: 111351116 ORIGINAL VERSION: Chassis No. EB6-A 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 Precautions/Specifications

    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

    BLOCK DIAGRAM This is a diagram for all models and therefore differs slightly from the actual block diagram. Outline C2KVV...

  • Page 4: System Control

    AV Selector IC1201 NICAM DECODER AV-SELECTOR <MM1313> K12H Q1203 FRONT AV3 MONITOR-OUT FRONT-AV (V)34 1(V) 2(L) Q1202 MONITOR-OUT 4(R) Y-IN SC-1 SC-1 13(V) (VIDEO/AUDIO-L/R) 14(L) 16(R) SC-2 SC-2 IC3451 C-IN 7(V) (VIDEO/Y/C/AUDIO-L/R) 8(L) NICAM 9(Y) L-OUT & 10(R) 11(C) R-OUT STEREO K12J <TDA9875>...
  • Page 5 Deflection Control IC501 V-Output<LA7846> Deflection Yoke Vert. V-Drive Coil IC201 IF/VIDEO/ Q431 DEFLECTION H-Output Horiz. T431 Q431 <TB1251> Drive Trans Coil H-Drive T451 FlyBack Trans D441 CS SW Screen Width Control EW-Out Pcc Control Q461 Q462 C2KVV...

  • Page 6: Cabinet Disassembly

    CABINET DISASSEMBLY CABINET BACK DISASSEMBLY 1. Remove 7 screws(A). 2. Pull out the cabinet back. PLACING THE CHASSIS TO SERVICE POSITION 1. Pullout the chassis and put it to the rails on the side cabinet. 2. Fix main board with hook on the top rail. C2KVV...

  • Page 7: Adjustment And Repair Procedures

    OPTION SETTING [After replacing the Memory IC (IC803)] The memory IC, IC803, stores the option data of TV set and service adjustments data for each circuit, therefore, when the memory IC is replaced, it should be performed following setting and “SERVICE ADJUSTMENT” on next page.

  • Page 8: Service Adjustments

    SERVICE ADJUSTMENTS 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. [After replacing the Memory IC (IC803)] The memory IC, IC803, stores the service adjustments data for each circuit, therefore, when the memory IC is replaced, it should be performed “OPTION SETTING”...
  • Page 9 To select the mode and service item and change data value + Highlight the desired adjustment mode by using the P or P button and then press the F/OK button. + To select the adjustment item, use the P or P button.
  • Page 10 ADJUSTMENTS IMPORTANT NOTICE Do not attempt to adjust the following service adjustments except when adjustments are required in servicing otherwise it may cause loss of performance and product safety. + B VOLTAGE ADJUSTMENT DRIVE ADJUSTMENT 6. Select item no.3 “REGULAR 3, GRY” (G-Drive) or 4 1.
  • Page 11 CORNER ADJUSTMENT “FULL”. 1. Receive cross hatch pattern and set screen mode to 2. Enter to the service mode and select mode “WIDE”, “FULL”. and select item no. 5 “WIDE 5.P V-S. 2. Enter to the service mode and select mode “WIDE”, 3.

  • Page 12: Cpu Port Functions

    CPU PORT FUNCTIONS Pin No. Function Name Function IN/OUT MMU0 External memory 0 MMU3 External memory 3 ADDR10 Address bus 10 Data Strobe ADDR11 Address bus 11 ADDR9 Address bus 9 ADDR8 Address bus 8 Read Write Strobe Power Supply OSC-IN Clock Input OSC-OUT...
  • Page 13 Pin No. Function Name Function IN/OUT WSCF VPS/WSS Slicer Line PLL VDD-A Analogue Power Supply PXFM Pixel Frequency Multiplier RESET Reset Input (Active L) MCFM Pixel Frequency Multiplier JTRSTO TXCF CVBS0 TEST0 CVBS1 Video signal Input CVBS2 Video Signal Input GND-A DAT3 Data bus 3...

  • Page 14: Component Locations

    COMPONENT LOCATIONS MAIN BOARD A101 T131 IC001 IC802 IC501 Q432 T611 -14- C2KVV...

  • Page 15: Crt Board

    CRT BOARD Q701 C735 K7D1 -15- C2KVV...

  • Page 16: Ic Block Diagrams

    IC BLOCK DIAGRAMS IC001 TDA7263M <Audio Output> CF COUPL RF1 27K IN -L OUT L IN +L MUTE PROTECTION REFERENCES TURN-ON SUPPLY AND-OFF PROTECTION VOLTAGE IN +R OUT R IN -R TDA7263M RF1 27K CF COUPL IC501 LA7846N <Vertical Output> THERMAL PUMP PROTECTION...
  • Page 17 IC201 TB1251AN <IF/Video/Chroma/Def.> H.AFC ABCL IN ref R FBP IN/SCP OUT H Vcc(9V) V OUT H OUT V NFB V RAMP Dig GND V BIAS FILTER B OUT BLACK Det G OUT Dig.VDD R OUT Sync in YC GND Y IN EXT.B IN DC Restor EXT.G IN...
  • Page 18 IC1201 MM1313BD<AV Selector> IC3451 TDA9875A <NICAM & Stereo Sound Decoder> AUXOR SIF1 AUXOL SIF2 -18- C2KVV...

  • Page 19: 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 -19-...

  • Page 20: Part Description And Reading Of Schematic Diagram

    PARTS DESCRIPTION AND READING IN 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 21: Cabinet Parts List/Tv Stand Parts List

    CABINET PARTS LIST FOR MODEL CE21DN5-C-00 Note: Parts order must contain Service Ref. No., Part No., and descriptions. Ref. No. Part No. Description Ref. No. Part No. Description 411 076 1004 SCR TPG BRZ 4X12 CABINET PARTS 610 286 7619...

  • Page 22: Electric Parts List

    Note: Parts order must contain Service Ref. No., Part No., and descriptions. Description Part No. Ref. No. Chassis construction CE21DN5-C-00 Read description in the Capacitor and Resistor as follows: 1AA0B10E590F0 ASSY,PWB,MAIN C2KVV (Page 22~27) CAPACITOR...
  • Page 23 Ref. No. Description Ref. No. Part No. Part No. Description C1102 403 113 3815 CERAMIC 1000P K C441-2 610 092 1887 EYELET C1107 403 113 3815 CERAMIC 1000P K C445 403 233 0817 ELECT 10U M C1108 403 233 0817 ELECT 10U M C450 404 056 5208 NP-ELECT 100NW2R2MTA-6311...
  • Page 24 Description Ref. No. Part No. Ref. No. Part No. Description D1007 407 063 8319 ZENER DIODE MTZJ11C T611 645 041 2257 TRANS,POWER,PULSE D1008 407 063 8319 ZENER DIODE MTZJ11C T681 610 033 3758 POWER TRANS D1009 407 063 8319 ZENER DIODE MTZJ11C D101 407 100 0214 ZENER DIODE MTZJ36A COIL...
  • Page 25 Ref. No. Part No. Description Part No. Ref. No. Description Q641 405 014 4519 TR 2SC2412KT146/R R132 401 105 0514 MT-GLAZE 1K JA 1/16W Q652 405 014 4519 TR 2SC2412KT146/R R133 401 105 0514 MT-GLAZE 1K JA 1/16W Q681 405 059 9804 TR 2SD1913-Q-RA R134 401 105 0514...
  • Page 26 Description Ref. No. Part No. Ref. No. Part No. Description R436 401 021 3049 CARBON 5.6K JA 1/4W R820 401 105 4215 MT-GLAZE 33K JA 1/16W R437 401 026 3925 CARBON 330 JA 1/6W R822 401 105 0613 MT-GLAZE 10K JA 1/16W R441 401 058 3706 OXIDE-MT...
  • Page 27 Ref. No. Part No. Description Ref. No. Part No. Description J332 401 105 7919 MT-GLAZE 0.000 ZA 1/16W C1207 403 233 0817 ELECT 10U M J333 401 105 7919 MT-GLAZE 0.000 ZA 1/16W C1208 403 157 3611 CERAMIC 100P J J334 401 105 7919 MT-GLAZE...
  • Page 28 Description Ref. No. Part No. Part No. Ref. No. Description R3474 401 105 2815 MT-GLAZE 2.2K JA 1/16W COIL L1201 645 008 2467 PEAKING COIL R3475 401 105 5212 MT-GLAZE 470 JA 1/16W L1202 645 008 2467 PEAKING COIL R3476 401 105 2815 MT-GLAZE 2.2K JA 1/16W...
  • Page 29 Part No. Description DIODE All information in this manual is correct at the start D701 407 012 4416 DIODE 1SS133-T-77 of production. Sanyo reserves the right to modify D711 407 012 4416 DIODE 1SS133-T-77 D721 407 012 4416 DIODE 1SS133-T-77...
  • Page 30 -30- C2KVV...
  • Page 31 -31- C2KVV...
  • Page 32 Sanyo Industries (UK) Ltd Printed in UK -32- C2KVV...

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