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Colour Television
Service Manual
Model No. CE32WN4
PRODUCT CODE: 111354516
ORIGINAL VERSION: Chassis No. EB6
Give complete "SERVICE REF. NO." for parts
order or servicing. It is shown on the rating plate
at the cabinet back of the unit.
Note
This T.V. receiver will not work properly in foreign
countries where the television transmission
system and power source differ from the design
specifications. Refer to the specification table on
page 2.
Safety precautions ..........................................................................................................................................2
Chassis Diagrams ............................................................................................................................................3
Disassembly ....................................................................................................................................................4
Service adjustments [Option Setting] ..............................................................................................................5
Service adjustments [Service Adjustment]-[Adjustment] ..........................................................................6 -10
CPU port functions ........................................................................................................................................11
IC block diagrams ..................................................................................................................................12 - 13
Pin description of semi-conductors ................................................................................................................14
Parts description and reading in schematic diagram ....................................................................................15
Cabinet parts list ............................................................................................................................................16
Electrical parts list ..................................................................................................................................17 - 23
CE32WN4
CONTENTS
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Summary of Contents for Sanyo CE32WN4
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Page 1: Table Of Contents
CE32WN4 Colour Television Service Manual Model No. CE32WN4 PRODUCT CODE: 111354516 ORIGINAL VERSION: Chassis No. EB6 Give complete “SERVICE REF. NO.” for parts order or servicing. It is shown on the rating plate at the cabinet back of the unit. -
Page 2: Safety Precautions
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: Chassis Diagrams
CHASSIS DIAGRAMS This is a basic diagram for all models and therefore differs slightly from the actual block diagram. Outline K1001 K1002 SCART SC1 SCART SC2 Video/Y-Out IC201 IF/VIDEO/CHROMA/DEF <TB1251> Fig.-1 EB6-D chassis... -
Page 4: Disassembly
DISASSEMBLY CABINET BACK DISASSEMBLY 1. Remove 8 screws(A) to take the cabinet back off. EB6-D chassis... -
Page 5: Service Adjustments [Option Setting]
SERVICE ADJUSTMENTS [After replacing the Memory 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 programmed by following “OPTION SETTING” and “SERVICE ADJUSTMENT”. -
Page 6: Service Adjustments [Service Adjustment]-[Adjustment]
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 below otherwise it may cause loss of performance and product safety. - Page 7 SERVICE ADJUSTMENTS ADJUSTABLE SERVICE ADJUSTMENT IMPORTANT NOTICE Do not attempt to change the data value of service items not listed in the table below 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 memory IC following to the below description “INITIALIZATION OF MEMORY IC”...
- Page 8 SERVICE ADJUSTMENTS [ADJUSTMENTS] To adjust each service data, please see “SERVICE ADJUSTMENT” on pages 8&9 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 9 SERVICE ADJUSTMENTS PCC ADJUSTMENT VERTICAL SIZE ADJUSTMENT PCC ADJUSTMENT 1. Receive circular pattern . 1. Receive cross hatch pattern and set screen mode to 2. Enter the service mode and select mode “Image”, item “FULL”. “05 P V-S”. 2. Enter the service mode and select “Image”, and item 3.
- Page 10 SERVICE ADJUSTMENTS Component Locations Main Board SW1902 SW1904 K1101 K1921 SW1901 SW1903 Q666 IC803 IC801 IC3501 SW601 VR641 Q641 F601 IC001 Q661 IC3451 Q611 Q612 Q651 T611 Q613 KSF1 Q461 TP14 TP-B Q462 IC201 T131 IC501 KSF2 Q432 IC1202 Q442 SW501 T451 T431...
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Page 11: Cpu Port Functions
CPU PORT FUNCTIONS Pin No. Function Name Function IN/OUT RC IN RC Signal Input RESET Reset Input AUD-MUTE TV Audio Mute Output “L”: Mute On P0.6 Note used P0.5 Note used P0.4 Note used P0.3 Note used KEY IN Key Switch Signal Input P0.1 Note used P0.0... -
Page 12: Ic Block Diagrams
IC BLOCK DIAGRAMS IC201 TB1251 <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... - Page 13 IC BLOCK DIAGRAMS IC501 LA7833 <Vertical Output> PUMP UP VERTICAL VERTICAL DRIVE OUTPUT V-DRIVE PLS V-OUTPUT INPUT THERMAL PROTECTION LA7833 IC3451 TDA9875A <NICAM & Stereo Sound Decoder> AUXOR SIF1 AUXOL SIF2 EB6-D chassis...
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Page 14: 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 EB6-D chassis... -
Page 15: Parts Description And Reading In 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 16: Cabinet Parts List
SKP10308 INST MANUAL - C3JVV(3) 610 261 6132 DEC BOARD-F3SCM SKP20335 SHEM DIAG -C3SVV-00 610 275 0232 DEC CONTROL SHEET-F3JPV 645 027 6927 BATTERY 610 261 3032 COIL SPRING-E7GCS 645 023 4316 BADGE,SANYO*46.2X13.5L45 645 019 2449 LATCH PUSH,7.9X6.9BK -16- C3SVV... -
Page 17: Electrical Parts List
CHASSIS ELECTRICAL PARTS LIST 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. It is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark Note: Parts order must contain Service Ref. - Page 18 Description Ref. No. Part No. Part No. Ref. No. Description C1021 403 157 3611 CERAMIC 100P J C242 403 237 8057 MT-COMPO 0.1U J C1022 403 279 4312 CERAMIC 0.33U K C243 403 157 7015 CERAMIC 1800P K C1024 403 157 3611 CERAMIC 100P J C244...
- Page 19 Ref. No. Part No. Ref. No. Part No. Description Description C640 403 218 8200 ELECT 2200U M D466 407 077 9705 ZENER DIODE MTZ20A C641 403 165 6017 CERAMIC 1000P K D469 407 007 7415 DIODE EU1 52MM C642 404 085 6900 200YXF100MCA100U M 200V D481...
- Page 20 Description Ref. No. Part No. Part No. Ref. No. Description L3450 401 105 7919 MT-GLAZE 0.000 ZA 1/16W Q686 405 134 5925 TR 2SA1037AK-T146-R L3452 645 001 5441 PEAKING COIL Q804 405 014 4519 TR 2SC2412KT146/R L3456 645 001 5441 PEAKING COIL Q805 405 014 4519...
- Page 21 Ref. No. Part No. Ref. No. Part No. Description Description R1227 401 105 3218 MT-GLAZE 270 JA 1/16W R3444 401 105 0613 MT-GLAZE 10K JA 1/16W R1230 401 105 3218 MT-GLAZE 270 JA 1/16W R3451 401 024 6720 CARBON 100 JA 1/6W 26MM R124 401 105 3317 MT-GLAZE...
- Page 22 Description Ref. No. Part No. Part No. Ref. No. Description R651 401 012 7049 CARBON 10K JA 1/4W JS100 401 105 7919 MT-GLAZE 0.000 ZA 1/16W R652 401 021 3049 CARBON 5.6K JA 1/4W JS101 401 105 2716 MT-GLAZE 220 JA 1/16W R653 401 105 2914 MT-GLAZE...
- Page 23 All information in this manual is correct at the start of X801 610 282 0201 XTAL. OSC 4.00MHZ 5MM production. Sanyo reserves the right to modify Z101 610 282 9693 SHD.CASE EB6 6 CUTT+5HOLE components and procedures in order to comply with...