Sanyo CE-25D3-C Service Manual
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Sanyo CE-25D3-C Service Manual

Sanyo CE-25D3-C Service Manual

Colour television
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Colour Television
Service Manual
Model CE25D3-C
Service Ref. No. CE25D3-C-01
PRODUCT CODE: 1113 27115
ORIGINAL VERSION: Chassis No. EB4-A

Specifications

Power source
Television system
Colour system
Receiving channel
Aerial input impedance
AV terminal
21 Pin socket
Sound output(Music)
Picture tube
(Visible picture diagonal)
Dimensions (WxHxD)
Weight
Part No.
SKSM0225
F3PTV
(W.Europe)
AC 220~240V 50Hz
System B/G
PAL
VHF: E2-E12
CATV: X, Y, Z, S1-S41
UHF: #21~69
75ohm
CENELEC standard
12 watts X2
63cm diagonal, 110 degree
59cm
680 x 543 x 446.5mm
26 Kg
APRIL 1998
25D3
CE
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
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.
-C

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Summary of Contents for Sanyo CE-25D3-C

  • Page 1: Specifications

    Colour Television 25D3 Service Manual Model CE25D3-C (W.Europe) Service Ref. No. CE25D3-C-01 PRODUCT CODE: 1113 27115 ORIGINAL VERSION: Chassis No. EB4-A Specifications Power source AC 220~240V 50Hz Television system System B/G Colour system Receiving channel VHF: E2-E12 CATV: X, Y, Z, S1-S41 Note UHF: #21~69 This TV receiver will not work properly in foreign...

  • 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 when certain that all the protective devices are installed a service is performed on the primary of the converter properly, such as, control knobs, adjustment covers or transformer of the set.

  • Page 3: Block Diagram

    BLOCK DIAGRAM This is a diagram for all models and therefore differs slightly from the actual block diagram. F3PTV...

  • Page 4: Circuit Description

    CIRCUIT DESCRIPTION 1. POWER SUPPLY control) The chroma signal is divided into R-Y and B-Y The power supply circuit of the EB4-A chassis is chroma signals, demodulated in IC201, and output from composed of a rectifier smoothing circuit, an oscillation pin30 (R-Y) and pin31 (B-Y).

  • Page 5: Horizontal Output

    6. HORIZONTAL OUTPUT Pin25: Black A horizontal oscillation signal is output from pin37 of Pin26: IREF IC201 and switches the drive transistor Q431. This Pin27: Odd/Even output switching signal is current amplified by the drive Pin28: GND transformer T431 and drives the output transistor Q432. Pin29: - When Q432 becomes ON, an amplifying current flows Pin30: V-deflection stop output...

  • Page 6: Service Control Adjustment

    SERVICE CONTROL ADJUSTMENT B1 POWER SUPPLY ADJ. AFT ADJ. TU-AGC ADJ. MAIN BOARD HIGH VOLTAGE & H-WIDTH ADJ. FOCUS ADJ. V-CENTRE ADJ. V-SIZE ADJ. H-CENTRE ADJ. GREY SCALE ADJ. SIF BOARD SIF ADJ. CRT BOARD IC3811 IC3801 K38H2 K38H1 AUDIO BOARD IC1251 IC3451 IC3401...
  • Page 7 B1 POWER SUPPLY ADJUSTMENT HIGH VOLTAGE & WIDTH ADJUSTMENT 1. Set VR641 to be mechanically centre before [HIGH VOLTAGE ADJUSTMENT] pressing the mains ON/OFF switch. 1. Tune the receiver to the circular pattern. 2. Tune the receiver to a PAL circular pattern. 2.

  • Page 8: Circuit Alignment

    CIRCUIT ALIGNMENT 10kΩ 0.002µF 75Ω 1kΩ Output probe Input probe VIF alignment SETTING Adjustment Waveform DC 15.5V C644 + By using T141, adjust "P" to AGC voltage (4.3-4.5V) IC201-pin48 be maximum amplitude. Output probe IC201-pin45 (Side b) Input probe IC201-pin7 Marker frequency 38.9MHz Sweep ATT...
  • Page 9 INITIALISATION (Important Notice) When you replace a memory IC (IC802), it is 2. Select the desired service item by using the Function necessary to initialise the IC as following step. button on the remote control handset. 3. Change the data by using the Level + or - button A.

  • Page 10: Cabinet Parts

    610 261 7726 DEC CONTROL SHEET-F3SCM 610 253 2449 HOLDER AC CORD-GBR-D4VA 610 261 3032 SPRING-E7GC 645 003 9256 BADGE,SANYO*46.2X13.5L45 610 104 2505 LATCH PUSH,7.9X6.9BK 610 254 8426 SPACER CUSHION-D5PC 412 009 3003 CRT SCREW 6 X 30 411 076 1400...

  • Page 11: Chassis 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.
  • Page 12 Description Ref. No. Part No. Ref. No. Part No. Description Q835 406 007 2106 TR JC546A C1105 403 009 5718 CERAMIC 100P J Q861 406 007 1901 TR JC556A C1106 403 069 1712 CERAMIC 1000P K Q871 406 007 2106 TR JC546A C1107 403 041 8804 ELECT 10U M...
  • Page 13 Ref. No. Part No. Description Part No. Description Ref. No. C438 403 178 9319 POLYESTER 0.01U J RESISTOR R001 401 037 5410 MT-GLAZE 1K JA 1/10W C441 403 083 5106 POLYPRO 0.27U J 400V R003 401 037 5410 MT-GLAZE 1K JA 1/10W C445 403 041 8804 ELECT 10U M...
  • Page 14 Description Ref. No. Part No. Ref. No. Part No. Description R1202 401 038 6515 MT-GLAZE 47K JA 1/10W R272 401 024 9028 CARBON 120 JA 1/6W R1203 401 037 5618 MT-GLAZE 10K JA 1/10W R351 401 037 5212 MT-GLAZE 100 JA 1/10W R1204 401 038 2210 MT-GLAZE 27K JA 1/10W...

  • Page 15: Variable Resistor

    Ref. No. Part No. Description Part No. Description Ref. No. R661 401 068 4700 OXIDE-MT 4.7K JA R889 401 037 5212 MT-GLAZE 100 JA 1/10W R662 401 068 8807 OXIDE-MT 5.6K JA R891 401 038 6416 MT-GLAZE 4.7K JA 1/10W R681 401 008 1628 CARBON 1K8 JA...
  • Page 16 Description Ref. No. Part No. Ref. No. Part No. Description DIODE D831 408 007 8607 DIODE 1N4148 D1005 407 063 8319 ZENER DIODE MTZJ11C D861 407 012 4416 DIODE 1SS133-T-77 D1007 407 063 8319 ZENER DIODE MTZJ11C D871 407 012 4416 DIODE 1SS133-T-77 D1008 407 063 8319 ZENER DIODE MTZJ11C D872...
  • Page 17 Ref. No. Part No. Description Part No. Description Ref. No. X201 645 025 2631 OSC,CRYSTAL 4.43MHZ Q3484 405 109 4407 TR BC848 X871 645 018 9593 OSC,CRYSTAL 12MHZ INTEGRATED CIRCUIT 645 008 4058 TERMINAL PLUG IC1251 409 009 2501 IC HD14052BP 645 008 4058 TERMINAL PLUG IC3401 409 371 6206 IC TDA9840/V2...

  • Page 18: Assy,Pwb,Crt F2Rc

    Description Ref. No. Part No. Ref. No. Part No. Description K34B 645 008 3341 PLUG,10P R3536 401 037 7919 MT-GLAZE 1.5K JA 1/10W L3451 401 037 5014 MT-GLAZE 0.000 ZA 1/10W R3551 401 022 0839 CARBON 68 JA 1/4W X3401 645 018 6875 OSC,CRYSTAL 10 DIODE D3551...
  • Page 19 Ref. No. Part No. Description Part No. Description Ref. No. D2611 408 007 8607 DIODE 1N4148 D2621 408 007 8607 DIODE 1N4148 D2651 408 007 8607 DIODE 1N4148 MISCELLANEOUS K26M 645 008 4058 TERMINAL PLUG K26P 645 008 7288 HOUSING PLUG 5P K26Q 645 008 7264 HOUSING PLUG 3P K2601-B 610 233 7990 CRT SOCKET...
  • Page 20 Description Ref. No. Part No. Ref. No. Part No. Description -20-...

  • Page 21: Colour Television

    J1EK1745- K1001 :J11B0490N V IN L IN R IN K1101 J12B1521N L1002 Z21B0040N D1010 C1105 SHARP R1101 R1014 MTZJ11C CJ100CA NESS R1001 R1003 :UZ-11BSC 1/10 1/10 R1002 R1004 R1005 R1008 CONT 1/10 GJ560 GJ560 1/10 GJ2.2K L1101 L1102 GJ2.2K BRIGHT L2B9 L2B9 L1003...
  • Page 22 Main Board /Pannello Principal Circuit side/Lato del Circuito CRT Board /Pannello Cinescopio 3D surround Board /Pannello 3D surround Circuit side/Lato del Circuito Circuit side/Lato del Circuito Audio Board /Pannello Audio SIF Board /Pannello SIF Circuit side/Lato del Circuito Circuit side/Lato del Circuito C3842 K38H2 Q3802...
  • Page 23 J1EK1745- CRT Board /Pannello Cinescopio K1002 :J11B0490N 64 µ s 90Vp-p 64 µ s 100Vp-p Component Location/Lato del Componente ASSY,PWB,CRT F2RC 1AA0B10E24500 L2601 Q2601 R2604 L1022 L2C1 2SC2688'1' 2SJ12K Z21B0040N B-OUT 331KN SP901 (K:L:M) 134.3V A10B00400 :2SC2621 L1023 L1024 L1025 L1026 J10EA020N <B-DRIVE>...
  • Page 24 Main Board /Pannello Principal Component Location/Lato del Componente GENERAL BLOCK DIAGRAM FOR EB4 CHASSIS Audio- Video- Audio- SW1901 SW1902 SW1904 SW1903 input-R input-L Headphones Prog.+ Prog.- input Vol.- Vol.+ IC801 Audio In Video In 21P Scart: AV1 21P Scart: AV2 RC Pre.amp Control Keys Audio I/O...
  • Page 25 Part No. SKP20145 F3PTV (SHEET 3/3)
  • Page 26 K35D J10EA030N FROM K12D...

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