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Colour Television
Service Manual
Model CE28WN5-B
CE32WN5-B
Service Ref. No. CE28WN5-B-00
PRODUCT CODE: 111356800 (CE28WN5-B)
111356900 (CE32WN5-B)
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
CPU Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12~13
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14~15
IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16~20
Pin description of semiconductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Part Description and reading of schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Cabinet Parts List/TV Stand parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23~24
Electric Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25~34
Part No.
SKSM0491
CE32WN5-B-00
C3HAL/C3YAV
28WN5
CE
32WN5
CE
MAY 2001
-B
-B
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Table of Contents
Related Manuals for Sanyo CE28WN5-B
Summary of Contents for Sanyo CE28WN5-B
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Page 1: Table Of Contents
Colour Television 28WN5 Service Manual 32WN5 Model CE28WN5-B CE32WN5-B Service Ref. No. CE28WN5-B-00 CE32WN5-B-00 PRODUCT CODE: 111356800 (CE28WN5-B) 111356900 (CE32WN5-B) 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
21 Pin SCART Terminal AV1:CENELEC standard with RGB AV2:CENELEC standard with S-inputs AV3:RCA Terminal, Video and Audio (L/R) Sound output(Music) 12 x 2 DIFFERENCES CE28WN5-B CE32WN5-B Dimensions (WxHxD) 779 x 524 x 511.5mm 880 x 577.5 x 567mm Weight 32.5 Kg 46.3 Kg... -
Page 3: Block Diagrams
BLOCK DIAGRAM This is a diagram for all models and therefore differs slightly from the actual block diagram. Outline C3HAL/C3YAV... - Page 4 AV Selector IC1201 NICAM DECODER AV-SELECTOR <MM1313> K12H Q1203 FRONT AV3 MONITOR-OUT FRONT-AV (V)34 1(V) 2(L) MONITOR-OUT Q1202 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 Q451 D441 CS SW Screen Width Control EW-Out Pcc Control Q461 Q462 C3HAL/C3YAV...
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Page 6: Cabinet Disassembly
CABINET DISASSEMBLY CABINET BACK DISASSEMBLY 1. Remove 9 screws(A) for 28” 2. Pull out the cabinet back. EXT/EST REAR /POSTERIORE FRONT /DAVANTI ANT.75Ω 1. Remove 9 screws (A) + 2 screws (B) for 32” 2. Pull out cabinet back C3HAL/C3YAV... -
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 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. 6. Select item no.3 “REGULAR 3, GRY” (G-Drive) or 4 + B VOLTAGE ADJUSTMENT “REGULAR 4, GRY”...
- Page 11 CORNER ADJUSTMENT VERTICAL HEIGHT ADJUSTMENT 1. Receive cross hatch pattern and set screen mode to 1. Receive circular pattern and set screen mode to “FULL”. “FULL”. 2. Enter to the service mode and select mode “WIDE”, 2. Enter to the service mode and select mode “WIDE”, and select item no.
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Page 12: Cpu 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...
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Page 14: Component Locations
COMPONENT LOCATIONS MAIN BOARD A101 T131 IC001 IC802 IC501 Q432 T611 -14- C3HAL/C3YAV... - Page 15 FRONT BOARD A1901A SW1951 SW1953 SW1954 SW1952 D1901 K1101 K041 IC1304 UNDERSIDE OF BOARD C691 C692 SW691 IC1303 L691 IC1301 K19RR PS691 K19A K19O K19H K19LL K19FF K19KK K19G K19N CRT BOARD HARMONICS PANEL EM3.3 D615 C680 T681-9 T681 63GJ0.22V: MUTE2 PC123F2 R684...
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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 IC1301 LA6393D <Operation Amplifier> IC1303 M34225M1<Single Chip Micro-computer> -18- C3HAL/C3YAV...
- Page 19 IC1201 MM1313BD<AV Selector> IC3451 TDA9875A <NICAM & Stereo Sound Decoder> AUXOR SIF1 AUXOL SIF2 -19- C3HAL/C3YAV...
- Page 20 IC3001 FA5311P <Power Switching Controller> BIAS UVLO FA5311P IC3051 TA8216H <Audio Amplifier> TA8216H AMP2 AMP1 SPEAKER SPEAKER -20- C3HAL/C3YAV...
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Page 21: 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 -21-... -
Page 22: 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 23: Cabinet Parts List/Tv Stand Parts List
CABINET PARTS LIST FOR MODEL CE28WN5-B-00 Note: Parts order must contain Service Ref. No., Part No., and descriptions. MENU/ WIDE -/-- TXT/TV SURROUND BASS EXT/EST A . B REAR /POSTERIORE FRONT /DAVANTI ANT.75Ω Item Part No. Description CABINET PARTS 610 29 09746... - Page 24 DOOR-C3HA 610 290 9777 DEC IND-C3HA 610 253 2449 AC CORD HOLDER-U-D4VA 610 261 3032 SPRING-E7GC 645 043 5058 BADGE,SANYO*53.5X12L53.3 645 019 2449 LATCH PUSH,7.9X6.9BK 610 224 5714 CRT CUSHION-D8CD-UK SKZZ0125 CRT SCREW 6 X 27 SFPAN40160SM- SCR TPG BRZ 4X16...
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Page 25: Electric Parts List
Note: Parts order must contain Service Ref. No., Part No., and descriptions. Description Part No. Ref. No. Chassis construction CE28WN5-B-00 Read description in the Capacitor and Resistor as follows: 1AA0B10H046D0 ASSY,PWB,MAIN C2HALC (Page 25~30) 1AA0B10H04300... - Page 26 Description Ref. No. Part No. Description Ref. No. Part No. C1026 403 113 3815 CERAMIC 1000P K C442 403 083 4109 POLYPRO 0.18U J 400V C1027 403 233 0817 ELECT 10U M C443 403 082 7824 POLYPRO 0.18U J 200V C1028 403 113 3815 CERAMIC...
- Page 27 Ref. No. Part No. Description Ref. No. Part No. Description C835 403 155 2319 CERAMIC 4700P K INTERGRATED CIRCUITS IC001 409 301 4906 IC TDA7263M DIODE IC001-1 610 283 0781 ASSY,AUDIO HEAT SINK C2HC D1001 407 063 8319 ZENER DIODE MTZJ11C IC201 409 490 4701 IC TB1251BN VER 5.3...
- Page 28 Ref. No. Part No. Description Part No. Ref. No. Description Q141 405 015 9721 TR 2SC2814-F4-TB R1018 401 027 6628 CARBON 75 JA 1/6W Q153 405 002 0318 TR 2SA1037K-T96-R R1019 401 027 6628 CARBON 75 JA 1/6W Q1901 405 002 0318 TR 2SA1037K-T96-R R102 401 105 0415...
- Page 29 Part No. Ref. No. Part No. Ref. No. Description Description R250 401 105 0613 MT-GLAZE 10K JA 1/16W R544 401 105 4314 MT-GLAZE 330K JA 1/16W R251 401 105 1214 MT-GLAZE 120K JA 1/16W R545 401 105 6615 MT-GLAZE 6.8K JA 1/16W R253 401 024 7727 CARBON...
- Page 30 Ref. No. Part No. Description Ref. No. Part No. Description R839 401 105 6011 MT-GLAZE 5.6K JA 1/16W J340 401 105 7919 MT-GLAZE 0.000 ZA 1/16W J344 401 105 7919 MT-GLAZE 0.000 ZA 1/16W R840 401 105 0514 MT-GLAZE 1K JA 1/16W J346 401 105 7919 MT-GLAZE...
- Page 31 Ref. No. Description Ref. No. Part No. Part No. Description C1310 403 248 1410 ELECT 1U M RESISTOR C1316 403 069 9510 CERAMIC CHIP 0.01 Z R046 401 007 7641 CARBON 150 JA 1/2W C1317 403 069 9510 CERAMIC CHIP 0.01 Z R047 401 007 7641 CARBON...
- Page 32 Part No. Description Ref. No. Ref. No. Part No. Description R2510 401 038 3811 MT-GLAZE 330K JA 1/10W C1217 403 233 0817 ELECT 10U M R2512 401 037 5618 MT-GLAZE 10K JA 1/10W C1218 403 153 9310 CERAMIC 82P J R2514 401 037 6714 MT-GLAZE...
- Page 33 Part No. Ref. No. Description Ref. No. Description Part No. L3459 401 105 7919 MT-GLAZE 0.000 ZA 1/16W R3502 401 105 0415 MT-GLAZE 100 JA 1/16W L3469 645 008 2467 PEAKING COIL R3503 401 105 7315 MT-GLAZE 820 JA 1/16W R3504 401 105 0514 MT-GLAZE...
- Page 34 SPEAKER 8 H125/1039 W901 645 011 8838 3P AC CORD +2P HOUSE @2.1 W902 610 291 6669 GND CONNECTOR 28"W CE32WN5-B-00 ALL PANELS ARE THE SAME AS CE28WN5-B-00 EXCEPT THE FOLLOWING DIFERENCES 1AA0B10H046C0 ASSY,PWB,MAIN C2YAV CAPACITOR C421 CMXAA3Y782HAN MT-PPRO ECWH20782 C422 CN2J273JBGAQN POLYPRO 0.027U...
- Page 35 -35- C3HAL/C3YAV...
- Page 36 Sanyo Industries (UK) Ltd Printed in UK -36-...