JVC FS-GD7 Service Manual
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JVC FS-GD7 Service Manual

Compact component system
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SERVICE MANUAL
COMPACT COMPONENT SYSTEM
5
2005
MB355
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
FS-GD7

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
No.MB355
2005/5

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  • Page 1: Table Of Contents

    COMPACT COMPONENT SYSTEM MB355 2005 FS-GD7 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Amplifier section Output Power 90 W per channel, min. RMS, driven into 6Ω at 1 kHz with no more than 10% total harmonic distortion. Analog input Sensitivity/Impedance (at 1 kHz) 400 mV/47 kΩ USB input USB Ver.1.1 Digital output OPTICAL DIGITAL OUT -21 dBm to -15 dBm (660 nm ±30 nm) VIDEO OUT Color system...

  • Page 3: Precaution

    SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
  • Page 4 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.5.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as laser products.
  • Page 5 Importance administering point on the safety Caution: For continued protection against risk of fire, replace only with same type 2.5 A/250 V for F901. This symbol specifies type of fast operating fuse. Precaution: Pour eviter risques de feux, remplacez le fusible de surete de F901 comme le meme type que 2.5 A/250.

  • Page 6: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-6 (No.MB355)

  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the side panel (R)/ (L) (See Fig.1 to 3) (1) Remove the three screws A attaching the side panel (R) on Top panel the back side and remove the screw B on the right side. (2) Remove the three screws A attaching the side panel (L) on the back side and remove the screw B on the left side.
  • Page 8 3.1.2 Removing the top panel (See Fig.4 to 7) • Prior to performing the following procedure, remove the side panel (R)/(L). Top panel (1) From the back of the body, remove the two screws D at- taching the top panel. (2) From each side of the body, remove the two screws E at- taching the top panel.
  • Page 9 3.1.3 Front panel assembly section 3.1.3.1 Removing the front panel assembly (See Fig7 to 10) • Prior to performing the following procedure, remove the side panel (R)/(L) and the top panel. (1) From top of the body, disconnect the wire from connector Front panel assembly on the amp board.
  • Page 10 3.1.3.2 Removing the LCD & function board (See Fig.11) • Prior to performing the following procedure, remove the front panel assembly. Front panel assembly (1) Pull out the volume knob on the front side of front panel as- sembly. (2) Remove the eleven screws H attaching the LCD & function board.
  • Page 11 3.1.4 Removing the power (single) board (See Fig.13, 14) • Prior to performing the following procedure, remove the side panel (R)/(L) and the top panel. CN902 (1) Disconnect the wire from connector CN901, CN902, CN905 on the power (single) board. Rear panel CN901 (2) Disconnect the wire from connector on the amp board.
  • Page 12 3.1.5 Removing the tuner pack (See Fig.15) • Prior to performing the following procedure, remove the side panel (R)/(L) and the top panel. Main board (1) Disconnect the card wire from connector CN401 on the CN401 Tuner pack main board. (2) From the back of the body, remove the two screws N at- taching the tuner pack.
  • Page 13 3.1.7 Removing the rear cover/ rear panel (See Fig.17 to 21) • Prior to performing the following procedure, remove the side panel (R)/ (L) and the top panel. Amp board Main board CN205 CN401 Reference: You do not have to remove the tuner pack to remove the rear cover/ rear panel.
  • Page 14 Rear panel Heat sink bracket Heat sink Fig.19 Rear panel Base chassis Fig.20 Rear panel Base chassis Fig.21 1-14 (No.MB355)
  • Page 15 3.1.8 Removing the fan (See Fig.22 to 24) • Prior to performing the following procedure, remove the side panel (R)/(L), the top panel. Rear panel (1) From top of the body, disconnect the wire from connector CN205 on the amp board. (2) From the back of the body, remove the five screws Q at- taching the rear cover.
  • Page 16 3.1.9 Removing the main board (See Fig.25, 26) • Prior to performing the following procedure, remove the side panel (R)/ (L), the top panel and the rear cover/ rear panel. Front panel assembly (1) Disconnect the card wire from connector CN501 CN502 on the main board and disconnect the wire from...
  • Page 17 3.1.10 Removing the power cord (See Fig.27) • Prior to performing the following procedure, remove the side panel (R)/ (L), the top panel and the rear cover/ rear panel. Power (single) board (1) Disconnect the wire from connector CN901 on the power CN901 CN902 (single) board.
  • Page 18 3.1.11 Removing the amp board/ heat sink (See Fig.28, 29) • Prior to performing the following procedure, remove the side panel (R)/ (L), the top panel and the rear cover/ rear panel. CN202 (1) From top of the body, disconnect the wire from connector CN202 on the amp board.
  • Page 19 3.1.12 Removing the power transformer assembly (See Fig.30) • Prior to performing the following procedure, remove the side panel (R)/ (L), the top panel, the rear cover/ rear panel and the main board / power (single) board / amp board. (1) Remove the four screws F' attaching the power transform- er assembly.
  • Page 20 3.1.13 CD changer mechanism assembly section 3.1.13.1 Removing the CD changer mechanism assembly (See Fig.31 to 34) • Prior to performing the following procedure, remove the side panel (R)/(L), the top panel, the main board, the power (single) CD changer mechanism assembly board, the amp board.
  • Page 21 3.1.13.2 Removing the CD changer mechanism board (See Fig.35 to 37) • Prior to performing the following procedure, remove the CD changer mechanism assembly. CD changer mechanism Pickup board Caution: Make sure to solder the short-circuit point on the CD pickup board before disconnecting the card wire connected to con- nector CN101...
  • Page 22 3.1.13.3 Removing the CD changer mechanism (See Fig.38) • Prior to performing the following procedure, remove the CD changer mechanism assembly and CD changer mechanism board. (1) Remove the four screws N' attaching the CD changer CD changer mechanism mechanism. CD changer mechanism holder Fig.38...

  • Page 23: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MB355)1-23...
  • Page 24 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB355) Printed in Japan...
  • Page 25 SCHEMATIC DIAGRAMS COMPACT COMPONENT SYSTEM FS-GD7 CD-ROM No.SML200505 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Wiring diagram Block diagram Standard schematic diagrams 2-17 to 21 Printed circuit boards No.MB355SCH COPYRIGHT 2005 Victor Company of Japan, Limited.
  • Page 26 In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.
  • Page 27 < M E M O >...

  • Page 28: Wiring Diagram

    Wiring diagram BI1206901V BI12P70097V BI206701V BI1206691V boar board to board board to board BI12P40294V board to board board to board...
  • Page 29 BI1206971V board to board board to board BI12P402341V board to board board to board...

  • Page 30: Block Diagram

    Block diagram...
  • Page 31 2-42-12-2...

  • Page 32: Standard Schematic Diagrams

    Standard schematic diagrams Primary section...
  • Page 34 Main section...
  • Page 36 Amp section...
  • Page 37 2-10...
  • Page 38 Micon section 2-11...
  • Page 39 2-12...
  • Page 40 Front section 2-13...
  • Page 41 2-14...
  • Page 42 Video section 2-15...
  • Page 43 2-16...

  • Page 44: Printed Circuit Boards

    Printed circuit boards Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Forward side) 2-17...
  • Page 45 (Bottom side) 2-18...
  • Page 46 Amp board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Forward side) 2-19...
  • Page 47 (Reverse side) 2-20...
  • Page 48 Trans board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) 2-21...
  • Page 49 < M E M O >...

  • Page 50: Mb355Sch

    Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB355SCH)
  • Page 51 PARTS LIST [ FS-GD7 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix J ----------------------------- U.S.A. C -------------------------- Canada - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 5 Electrical parts list (Block No.01~05)
  • Page 52 Exploded view of general assembly and parts list Block No. Amp boa F901 Power trans board...
  • Page 53 Amp board Main board Front board The parts without symbol number are not service.
  • Page 54 General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local  BI1080999101V1 FRONT CABINET HIPS-8002 94V2  BI1081000101V1 WINDOW LENS SAN-C-2495 94HB BI1080800101V1 VOLUME KNOB ABS-T700 94HB BI1080920101V1 USB PANEL HIPS-470 94HB BI1080930101V1 DVD DOOR HIPS-470 94HB BI1080980101V1 DISC PANEL ABS-T700 94HB...
  • Page 55 Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] C225 BICC153500KA042 C CAPACITOR 0.015uF  Symbol No. Part No. Part Name Description Local C226 BICC153500KA042 C CAPACITOR 0.015uF C262 BICE225500MP015 E CAPACITOR 2.2U 50V C263 BICE225500MP015...
  • Page 56  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C502 BICC181500JA041 C CAPACITOR 180pF R433 BIRC2220105A005 C RESISTOR 2.2KΩ 1/10W C503 BICE105500MP015 E CAPACITOR 1uF 50V R434 BIRC2220105A005 C RESISTOR 2.2KΩ 1/10W C504 BICC181500JA041 C CAPACITOR...
  • Page 57  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R517 BIRC3020105A005 C RESISTOR 3KΩ 1/10W R693 BIRC1030105A005 C RESISTOR 10KΩ 1/10W R518 BIRC1810105A005 C RESISTOR 180Ω 1/10W R694 BIRC2210105A005 C RESISTOR 220Ω...
  • Page 58  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local BI2DTC124EKA01 C863 BICC102500JA041 C CAPACITOR 1000pF 50V Q802 DTC124EKA TRANSISTOR C864 BICC102500JA041 C CAPACITOR 1000pF 50V BI2DTC124EKA01 C865 BICE107100MP010 E CAPACITOR 100uF 10V Q803 DTC124EKA TRANSISTOR...
  • Page 59 AMP board  Symbol No. Part No. Part Name Description Local Block No. [0][3] R868 BIRC1800105A005 C RESISTOR 18Ω 1/10W R869 BIRC1800105A005 C RESISTOR 18Ω 1/10W  Symbol No. Part No. Part Name Description Local R870 BIRC3310105A005 C RESISTOR 330Ω 1/10W R871 BIRC3310105A005 C RESISTOR...
  • Page 60  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C116 BICE105500MP015 E CAPACITOR 1uF 50V R249 BIRC1020105A005 C RESISTOR 1KΩ 1/10W C125 BICE107250MP015 E CAPACITOR 100uF 25V R250 BIRC1020105A005 C RESISTOR 1KΩ...
  • Page 61  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local BI2KTC3198GP00 R957 BIRC4730085M000 C RESISTOR 47KΩ 1/8W Q952 KTC3198GR TRANSISTOR R958 BIRC2730085M000 C RESISTOR 27KΩ 1/8W BI2KTC3198GP00 Q953 KTC3198GR TRANSISTOR  L901 BI2601102V LINE FILTER WIRE Q954...
  • Page 62 Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. A4 A5 A6 A7 A1 A2 3-12...
  • Page 63 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  BI440001542000W INST BOOK ENG FRE LVT1348-002A BI440001505001W INST BOOK ENG LVT1348-001C BI4000132820020 GRANTIE CARD BT-52006-2 ------------ WARRANTY CARD BT-51034-2 BI400023260002W SAFETY CARD ------------ BATTERY (x2) BIAN01031V AM LOOP ANT BIAN01022V...

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