Hitachi C21-F880S Service Manual
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Hitachi C21-F880S Service Manual

Colour television
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  • Page 2 IMPORTANT SAFETY NOTE Maintenance and repair of this TV should be done by qualified service personnel only when servicing the high voltage system, remove static charge from it by discharging the picture tube (2nd anode lead) to the dag coating (picture tube grounding lead). SAFETY PRECAUTIONS 1.

  • Page 3: Technical Specification

    TECHNICAL SPECIFICATION FREQUENCY...
  • Page 4 TECHNICAL SPECIFICATION...
  • Page 5 CHASSIS BLOCK DIAGRAM...

  • Page 6: Ic Block Diagram

    IC BLOCK DIAGRAM IC 121 (Universal HI-FI Audio Processor) TDA9859 IC 161 (BTL Audio Amplifier) TDA8944J...
  • Page 7 IC BLOCK DIAGRAM IC 401 (Vertical Deflection Booster) STV9302A...
  • Page 8 IC BLOCK DIAGRAM IC 501(Video Output Amplifier) TDA6107Q IC 601 (Power Switch) KA5Q0765RTH...
  • Page 9 IC BLOCK DIAGRAM IC 602 (Photo Transistor ) TLP621 TLP621 1:ANODE 2:CATHODE 3:EMITTER 4:COLLECTOR IC 653 & IC 181& IC 652 (Regulators) L7800 Series REFERENCE VOLTAGE INPUT SERIES OUTPUT PASS ELEMENT CURRENT GENERATOR PROTECTION ERROR REFERENCE STARTING AMPLIFIER VOLTAGE CIRCUIT THERRMAL PROTECTION...
  • Page 10 IC BLOCK DIAGRAM IC 701 ( TV Signal Processor-Teletext ) TDA93XXPS/N2/5I -10-...
  • Page 11 IC BLOCK DIAGRAM IC 861 ( Digital TV Sound Demodulator/Decoder) TDA9874AH -11-...
  • Page 12 TRANSISTOR MARK N P N P N P N P N N P N P N P N P N P N P N P N N P N N P N P N P P N P P N P C1651C I N P U T I N P U T...

  • Page 24: Purity And Convergence Adjustment

    PURITY AND CONVERGENCE ADJUSTMENT COLOUR PURITY ADJUSTMENT 1. Before colour purity adjustment,warm up the TV set for at least 15 minutes and fully degauss it. 2. Receive pure white signal in AV mode and press PIC.MODE button to set picture in DYNAMIC mode. 3.
  • Page 25 OPERATION INSTRUCTIONS -25-...
  • Page 26 CONTROL LOCATION -26-...
  • Page 27 INPUT AND OUTPUT TERMINALS -27-...
  • Page 28 REMOTE CONTROLLER FUNCTIONS -28-...
  • Page 29 REMOTE CONTROLLER FUNCTIONS -29-...
  • Page 30 REMOTE CONTROLLER FUNCTIONS -30-...
  • Page 31 REMOTE CONTROLLER FUNCTIONS -31-...
  • Page 32 REMOTE CONTROLLER FUNCTIONS -32-...
  • Page 33 ON SCREEN DISPLAYS -33-...
  • Page 34 ON SCREEN DISPLAYS -34-...
  • Page 35 ON SCREEN DISPLAYS -35-...
  • Page 36 ON SCREEN DISPLAYS -36-...
  • Page 37 MECHANICAL ASSEMBLY REAR COVER REMOVAL 1.Remove screws from the rear cover as shown in Figure 1. 2.Remove the rear cover. CHASSIS REMOVAL 1.Remove the rear cover (refer to REAR COVER REMOVAL instructions ). 2.Discharge the picture tube anode (2nd anode lead )to the dag coating (picture tube grounding lead). 3.Disconnect the degaussing coil (KE),picture tube socket, deflection yoke connector (KDY),speaker connectors (KL and KR)and 2nd anode lead .

  • Page 38: Replacement Parts List

    REPLACEMENT PARTS LIST PRODUCT SAFETY NOTE: Critical parts that have special safety characteristics are identified by a in the replacement parts list or the schematic diagrams. Use of any substitute replacement part that does not have the same safety characteristics as the recommended replacement part in the parts list might create shock, fire and/or other hazards.

  • Page 39: Electrical Parts List

    ELECTRICAL PARTS LIST FOR REFERENCE ONLY The components shown in page 39-54 serve as a reference. It is not meant for ordering of components for servicing purposes. Do not quote any components from these lists. Circuit No Part No Description 013PAST001A0M MAIN ASSEMBLY (AUTO INSERT) R309...
  • Page 40 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description R380 YZ4100AB1030T0 CARBON FILM RESISTOR 10K OHM 1/16-1/6W +/-5% (TAPE TYPE) R645 YZ4100AB1030T0 CARBON FILM RESISTOR 10K OHM 1/16-1/6W +/-5% (TAPE TYPE) R646 YZ4100AB1030T0 CARBON FILM RESISTOR 10K OHM 1/16-1/6W +/-5% (TAPE TYPE) R648 YZ4100AB1030T0 CARBON FILM RESISTOR 10K OHM 1/16-1/6W +/-5% (TAPE TYPE)
  • Page 41 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description R742 YZ4100AB3320T0 CARBON FILM RESISTOR 3.3K OHM 1/16-1/6W+/-5% (TAPE TYPE) R834 YZ4100AB3320T0 CARBON FILM RESISTOR 3.3K OHM 1/16-1/6W+/-5% (TAPE TYPE) R845 YZ4100AB3320T0 CARBON FILM RESISTOR 3.3K OHM 1/16-1/6W+/-5% (TAPE TYPE) R846 YZ4100AB3320T0 CARBON FILM RESISTOR 3.3K OHM 1/16-1/6W+/-5% (TAPE TYPE)
  • Page 42 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description C880 YZ4300AF101CT0 CERAMIC CAPACITOR 100PF 50V +/-5% (TAPETYPE) C308 YZ4300AF102CT0 CERAMIC CAPACITOR 0.001uF 50V +/-5% (TAPE TYPE) C309 YZ4300AF102CT0 CERAMIC CAPACITOR 0.001uF 50V +/-5% (TAPE TYPE) C310 YZ4300AF102CT0 CERAMIC CAPACITOR 0.001uF 50V +/-5% (TAPE TYPE) C311 YZ4300AF102CT0 CERAMIC CAPACITOR 0.001uF 50V +/-5% (TAPE TYPE)
  • Page 43 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description C604 YZ4300AR472E00 CERAMIC CAPACITOR 0.0047uF 1KV +/-20%(TAPE TYPE ) C605 YZ4300AR472E00 CERAMIC CAPACITOR 0.0047uF 1KV +/-20%(TAPE TYPE ) C606 YZ4300AR472E00 CERAMIC CAPACITOR 0.0047uF 1KV +/-20%(TAPE TYPE ) C643 YZ4300AR471DT0 CERAMIC CAPACITOR 470PF 1KV +/-10% (TAPETYPE) C644 YZ4300AR471DT0...
  • Page 44 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description C863 YZ4300BF105ET0 ELECTROLYTIC CAPACITOR 1uF 50V +/-20% (TAPE TYPE) C324 YZ4300BF225ET0 ELECTROLYTIC CAPACITOR 2.2uF 50V +/-20%(TAPE TYPE) C328 YZ4300BF225ET0 ELECTROLYTIC CAPACITOR 2.2uF 50V +/-20%(TAPE TYPE) C339 YZ4300BF225ET0 ELECTROLYTIC CAPACITOR 2.2uF 50V +/-20%(TAPE TYPE) C755 YZ4300BF225ET0 ELECTROLYTIC CAPACITOR 2.2uF 50V +/-20%(TAPE TYPE)
  • Page 45 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description C130 YZ4300MG682DT0 MYLAR CAPACITOR 0.0068uF 100V +/-10% (TAPE TYPE) C131 YZ4300MG682DT0 MYLAR CAPACITOR 0.0068uF 100V +/-10% (TAPE TYPE) C127 YZ4300MG683DT0 MYLAR CAPACITOR 0.068UF 100V +/-10% (TAPE TYPE) C134 YZ4300MG683DT0 MYLAR CAPACITOR 0.068UF 100V +/-10% (TAPE TYPE) D172 YZ4500141481T0...
  • Page 46 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description Q812 YZ4600C18150T0 TRANSISTOR 2SC1815Y/2PC1815 (TAPE TYPE) Q813 YZ4600C18150T0 TRANSISTOR 2SC1815Y/2PC1815 (TAPE TYPE) Q841 YZ4600C18150T0 TRANSISTOR 2SC1815Y/2PC1815 (TAPE TYPE) Q450 YZ4600C24822T0 TRANSISTOR 2SC2482/3DG2482Y (TAPE TYPE) L302 YZ4800010100T0 PEAKING COIL 1uH +/-10% (TAPE TYPE) L351 YZ4800010680T0 PEAKING COIL 6.8uH (TAPE TYPE)
  • Page 47 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description W415 YZ5900G4010600 COPPER JUMPER 0.6MM DIA. L=40mm W416 YZ5900G4010600 COPPER JUMPER 0.6MM DIA. L=40mm W417 YZ5900G4010600 COPPER JUMPER 0.6MM DIA. L=40mm W421 YZ5900G4010600 COPPER JUMPER 0.6MM DIA. L=40mm W422 YZ5900G4010600 COPPER JUMPER 0.6MM DIA.
  • Page 48 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description W613 YZ5900G4010600 COPPER JUMPER 0.6MM DIA. L=40mm W616 YZ5900G4010600 COPPER JUMPER 0.6MM DIA. L=40mm W621 YZ5900G4010600 COPPER JUMPER 0.6MM DIA. L=40mm W622 YZ5900G4010600 COPPER JUMPER 0.6MM DIA. L=40mm W624 YZ5900G4010600 COPPER JUMPER 0.6MM DIA.
  • Page 49 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description VR641 YZ420021030000 SEMI-FIXED RESISTOR 10KB (H) KVSF637ASB KOAOHM C643 YZ4300AR471DT0 CERAMIC CAPACITOR 470PF 1KV +/-10% (TAPETYPE) C644 YZ4300AR471DT0 CERAMIC CAPACITOR 470PF 1KV +/-10% (TAPETYPE) C645 YZ4300AR471DT0 CERAMIC CAPACITOR 470PF 1KV +/-10% (TAPETYPE) C603 YZ4300AR472E00 CERAMIC CAPACITOR 0.0047uF 1KV +/-20%...
  • Page 50 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description T450 YZ510604100000 HORIZONTAL DRIVE TRANSFORMER F OR LOW VOLTAGE A301 YZ5200389W1600 B/G WORLD STANDARD FS TUNER 5V 38.9MHz W/O AGC 4V FOR 5P60 CN601 YZ540091000002 WAFER 10mm 2.35mm TJC1-2A 2 PIN CN602 YZ540091000002 WAFER 10mm 2.35mm TJC1-2A 2 PIN...
  • Page 51 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description SW004 YZ550011012000 TACT SWITCH VERTICAL TYPE KNOB 6mm H=12mm SW005 YZ550011012000 TACT SWITCH VERTICAL TYPE KNOB 6mm H=12mm SW006 YZ550011012000 TACT SWITCH VERTICAL TYPE KNOB 6mm H=12mm LED001 YZ570015012000 LED LIGHT EMISSION 3.1mm RED LONG LEAD YZ5800D1T0BP31 CONTROL P.C.BOARD 160 X 40 X 1.6mm FOR 3P31 CHASSIS...
  • Page 52 ELECTRICAL PARTS LIST FOR REFERENCE ONLY Circuit No Part No Description H502 YZ540102040205 PIN 05 + HOUSING 05 (TJC3) + 400mm FLATCABLE UL2468 AWG24 H501 YZ540102042204 PIN 04 + HOUSING 04 (TJC3) + 420mm FLATCABLE UL2468 AWG24 W/UL TUBE SW601A YZ550002021100 MAIN POWER SWITCH KDC-A11 W/SCREW HOLE YZ560010808401...

  • Page 53: Mechanical Parts List

    MECHANICAL PARTS LIST FOR REFERENCE ONLY Part No Description YZ030121T0C001 POLYFOAM END CAP.R&L (TOP&BOTTOM) SMALL YZ040400005400 POLYBAG W100 X H95cm YZ040409014003 POLYBAG 9" X 14" X 0.04 MM (PO) W/PE YZ041505506510 BUBBLE BAG 5.5" X 6.5" YZ060220021800 QC PASSED LABEL (WHITE) YZ060220121800 QC PASSED LABEL (GOLD) YZ100221T07101...
  • Page 54 MECHANICAL PARTS LIST FOR REFERENCE ONLY Part No Description YZ090205033701 NAME PLATE - ALUMINIUM "HITACHI" BLACK 7 YZ121321T0C001 INLAY - SIDE AV #DG001 AVIN2 (V-L-R-@) YZ0801UM4AAA07 BATTERY UM-4AAA (DESAY) YZ0801UM4AAA10 BATTERY UM-4AAA (EAST POWER) YZ100521T04201 BACK AV BRACKET-(94V-0)W/O POWER LINE YZ101850021800 INSULATOR RING - DIA.
  • Page 55 NOTE: (1)ALL RESISTERS ARE IN OHM,ALL COILS ARE IN H; ALL THE CRYSTALS ARE IN HZ; (2)THE AREA ENCLOSED BY ------ IS LIVE AREA AND DIRECTLY CONNECTED TO MAIN VOLTAGE. (3)THE DEVICE WITH ARE SAFETY CRITICAL DEVICES; (4)THE DEVICE WITH * ARE SUBJECT TO CHANGE OR OMIT ACCORDING TO DIFFERNT TV SETS;...
  • Page 56 C21- F88 S SN /SN T SC No.001 E Copyright Digital Media Systems Group, (2006) All rights reserved...

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