Sanyo 21DN2F Service Manual
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Sanyo 21DN2F Service Manual

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Colour Television
Service Manual
Model
C21ES56NF
(FRANCE)
Service Ref. No. C21ES56NF-01
PRODUCT CODE: 1113 27010
ORIGINAL VERSION: Chassis No. EB4-A
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.
Specifications
Power source
Television system
Colour system
Receiving channel
Aerial input impedance
AV terminal
21 Pin socket
21 Pin socket
Sound output(Cont.)
Picture tube
(Visible picture diagonal)
Dimensions (WxHxD)
Weight
Part No.
SKSM0188
AC 220~240V 50Hz
System B/G,L/L'/I
PAL,SECAM
VHF: E2-E12,F2-F10
CATV: X, Y, Z, S1-S41,B-Q
UHF: #21~69
75ohm
AV1 CENELEC (Full +YC)
AV2 CENELEC standard
5 watts X2
55cm diagonal, 90 degree
51cm
610 x 479 x 485mm
21.5 Kg
F3JLV
May 1997
21DN2F

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  • Page 1 Colour Television 21DN2F Service Manual Model C21ES56NF (FRANCE) Service Ref. No. C21ES56NF-01 PRODUCT CODE: 1113 27010 ORIGINAL VERSION: Chassis No. EB4-A Note This TV receiver will not work properly in foreign countries where the television transmission system and power source differ from the design specifications.

  • 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. F3JLV...

  • 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 VIF DET 1/2 AFT ADJ. B1 POWER SUPPLY 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 ADJ.(FM Det-2) SIF BOARD SIF ADJ.(FM Det-1) T3852 T3851 T3853...
  • 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 103P 0.01uF 75Ω 1kΩ Jig-A Output probe Input probe VIF alignment (DETECTOR ADJ.1) Adjustment SETTING Waveform Notes How to select SYSTEM L or DC 15.0V IC651-pin1 By using T141, L’. AGC voltage (4.3-4.5V) IC201-pin48 adjust "P" to be Output probe (Side b) IC201-pin45 maximum...
  • Page 9 SIF alignment (FM Detector-2) SETTING Adjustment DC 12V K38H2-pin3 By using T3852, adjust DC DC5V IC3851-pin21 level to be 1.7V. Output probe IC3851-pin15 Input probe IC3851-pin16 Scope 100mV/div Carrier Frequency 5.5MHz Modulation Frequency 1KHz (Sine wave) System SETTING Adjustment DC 12V K38H2-pin3 By using T3851, adjust DC DC5V...
  • Page 10 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 11 DEC CONTROL SHEET-F3SCM 610 253 2449 HOLDER AC CORD-GBR-D4VA 610 260 0148 HOLDER RC GBR-BLFA 610 265 4202 HOLDER DC-F3SCM 645 003 9256 BADGE,SANYO*46.2X13.5L45 610 104 2505 LATCH PUSH,7.9X6.9BK 610 261 3032 SPRING-E7GC 610 224 5721 CRT CUSHION-B3MY-UK 610 133 2354 FIXER PURSE LOCK,D11.5(PA...

  • Page 12: 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 13 Description Ref. No. Part No. Ref. No. Part No. Description Q1042 406 007 1901 TR JC556A 405 004 4205 TR 2SA608-E-CTV-NP 406 007 1802 TR JC556B 405 004 4809 TR 2SA608-F-CTV-NP 405 004 4205 TR 2SA608-E-CTV-NP 405 028 7909 TR 2SA608-G-CTV-NP 405 004 4809 TR 2SA608-F-CTV-NP Q171...
  • Page 14 Ref. No. Part No. Description Part No. Description Ref. No. Q835 406 007 2106 TR JC546A C009 403 270 3403 MT-POLYEST 0.22U K 406 007 2007 TR JC546B 403 237 7901 MT-COMPO 0.22U J 405 019 1909 TR 2SC536-E-NP C010 403 270 3403 MT-POLYEST 0.22U K...
  • Page 15 Description Ref. No. Part No. Ref. No. Part No. Description C143 403 073 4201 CERAMIC 3900P K C432 403 075 7101 CERAMIC 1000P K 500V C144 403 069 9500 CERAMIC 0.01U Z C433 403 076 3102 CERAMIC 3900P K 500V C145 403 069 9500 CERAMIC...
  • Page 16 Ref. No. Part No. Description Part No. Description Ref. No. C812 403 049 0008 ELECT 1U M R1032 401 038 7601 MT-GLAZE 560 JA 1/10W C814 403 049 0008 ELECT 1U M R1033 401 038 7601 MT-GLAZE 560 JA 1/10W C816 403 046 9905 ELECT...
  • Page 17 Description Ref. No. Part No. Ref. No. Part No. Description R1902 401 039 0403 MT-GLAZE 8.2K JA 1/10W R511 401 060 7402 OXIDE-MT 270 JA R1902A 401 037 5004 MT-GLAZE 0.000 ZA 1/10W R513 401 059 3903 OXIDE-MT 1.5K JA R1903 401 038 6406 MT-GLAZE...
  • Page 18 Ref. No. Part No. Description Part No. Description Ref. No. R845 401 037 5608 MT-GLAZE 10K JA 1/10W L101 645 001 4567 INDUCTOR,10U K R846 401 038 6406 MT-GLAZE 4.7K JA 1/10W L102 645 008 2863 INDUCTOR,4.7U K R847 401 037 5608 MT-GLAZE 10K JA 1/10W L1022...
  • Page 19 Description Ref. No. Part No. Ref. No. Part No. Description D1903 407 063 8309 ZENER DIODE MTZJ11C D642 407 007 7603 DIODE EU2 407 158 3400 ZENER DIODE UZ-11BSC 407 007 7801 DIODE EU2Z D1905 407 012 4406 DIODE 1SS133 D643 407 166 2303 DIODE ERC91-02L...

  • Page 20: Assy,Pwb,Crt F2Rc

    Ref. No. Part No. Description Part No. Description Ref. No. X871 645 018 9593 OSC,CRYSTAL 12MHZ COIL 645 015 8339 OSC,CRYSTAL 12MHZ L2601 645 008 0012 INDUCTOR,330U K L2611 645 008 0012 INDUCTOR,330U K L2621 645 008 0012 INDUCTOR,330U K 610 260 0667 DIODE ASSY,PWB,CRT F2RC...
  • Page 21 Description Ref. No. Part No. Ref. No. Part No. Description RESISTOR IC3401 409 371 6206 IC TDA9840/V2 R3851 401 037 5202 MT-GLAZE 100 JA 1/10W IC3431 409 316 4601 IC TDA8424 R3852 401 038 7700 MT-GLAZE 5.6K JA 1/10W IC3451 409 404 3707 IC SAA7283ZP/M2 R3853...
  • Page 22 Ref. No. Part No. Description Part No. Description Ref. No. C3494 403 043 9106 ELECT 47U M RESISTOR R1251 401 038 2101 MT-GLAZE 2.7K JA 1/10W R1252 401 038 9209 MT-GLAZE 6.8K JA 1/10W R1253 401 039 0502 MT-GLAZE 82K JA 1/10W R1254 401 039 0502 MT-GLAZE...
  • Page 23 Description Ref. No. Part No. Ref. No. Part No. Description -23-...

  • Page 24: Colour Television

    6. I valori letti del voltaggio presi con un 2SC945A(Q,R,P) oppure amento. I componenti indicati sollo Model 21DN2F/C21ES56NF this circuit diagram show components bar signal are with all controls at normal "VTVM" proven gono dal punto indicato schema con il simbolo /!\ hanno partico-...
  • Page 25 Main Board /Pannello Principal Circuit side/Lato del Circuito C3461 R3469 FRONT-IN KZ0.01FA 1/10 GJ33K C3494 L3455 K12A L2A22R2KN 16EM47 J10EA020N VCONT VDDF1 C3462 16EM C3493 MIXREF VCLK 0.01FA C3458 R3461 K12B 1/10 J10EA 390BA GJ1K R1251 050N DQPSK VSSF1 1/10 C3463 GJ2.7K R3462...
  • Page 26 SERVICE REF NO: SERVICE REF NO: J1EK1745- K1002 :J11B0490N C21ES56NF-07 C21ES56NF-04 64 µ s 64 µ s 64 µ s 64 µ s 90Vp-p 100Vp-p 90Vp-p 100Vp-p ASSY,PWB,CRT F2RC ASSY,CRT EB4 STEREO MK2 1AA0B10E24500 1AA0B10H03500 L2601 L2601 Q701 R704 Q2601 R2604 L2C1 L1022...
  • Page 27 Main Board /Pannello Principal Component Location/Lato del Componente GENERAL BLOCK DIAGRAM FOR EB4 CHASSIS Audio- Video- Audio- SW1901 SW1902 SW1904 SW1903 IC801 input-R input-L Headphones Audio In Video In Prog.+ Prog.- input Vol.- 21P Scart: AV1 21P Scart: AV2 Vol.+ RC Pre.amp Control Keys Audio I/O...

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