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Sanyo FXD-680GD Service Manual

Full panel detachable high power fm/am stereo receiver compact disc player
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Service Manual
SEL
Contents
SERVICE NOTE AND PRECATIONS............................................................................................................................................................................... 2
OPERATION CHECK ....................................................................................................................................................................................................... 5
ALIGNMENT LOCATIONS................................................................................................................................................................................................ 6
ELECTRICAL ADJUSTMENTS......................................................................................................................................................................................... 7
BLOCK DIAGRAM .......................................................................................................................................................................................................... 18
IC/TRANSISTOR LEAD IDENTIFICATION..................................................................................................................................................................... 20
CD MECHANISM EXPLODED VIEW ............................................................................................................................................................................. 21
CABINET & CHASSIS EXPLODED VIEW ...................................................................................................................................................................... 22
PART LIST - CD MECHANISM ...................................................................................................................................................................................... 23
PART LIST CABINET, CHASS AND ACCESSORY ....................................................................................................................................................... 25
PART LIST MAIN ............................................................................................................................................................................................................ 27
PART LIST KEY.............................................................................................................................................................................................................. 30
PART LIST CD SERVO .................................................................................................................................................................................................. 31
PART LIST REMOTE...................................................................................................................................................................................................... 33
PART LIST JB/GIB.......................................................................................................................................................................................................... 34
SCHEMATIC DIAGRAM ................................................................................................................................................................................................. 35
CIRCUIT BOARD DIAGRAM .......................................................................................................................................................................................... 39
Full Panel Detachable
High Power
FM/AM Stereo
Receiver
Compact Disc Player
FM/MW/LW CD RECEIVER
45W x 4
CD-R&RW
FXD-680GD
.
FILE NO
FXD-680GD
114782877
FXD-685GD
114782878
FM/MW/LW CD RECEIVER
SEL
REFERENCE No. SM-0600003
45W x 4
CD-R&RW
FXD-685GD

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  Summary of Contents for Sanyo FXD-680GD

  • Page 1: Table Of Contents

    FILE NO Service Manual FXD-680GD Full Panel Detachable 114782877 High Power FXD-685GD FM/AM Stereo 114782878 Receiver Compact Disc Player FM/MW/LW CD RECEIVER 45W x 4 CD-R&RW FM/MW/LW CD RECEIVER 45W x 4 CD-R&RW FXD-680GD FXD-685GD Contents SERVICE NOTE AND PRECATIONS....................................2 OPERATION CHECK ........................................
  • Page 2: Specifications

    SPECIFICATIONS FM TUNER Frequency Range ..................FM 87.5 - 108.0 MHz (50 KHz Step) Sensitivity.......................... FM 3 µV (S/N=30 dB) Stereo Separating (FM) ......................30 dB (at 1kHz) Signal to noise ratio (FM)......................Better than 50 dB AM TUNER Frequency Range ..................MW 522 - 1620 kHz (9 KHz Step) Sensitivity........................MW 32 dBµ...
  • Page 3: Service Notes

    SERVICE NOTES AND PRECAUTIONS: Service notes: Installation procedure: 1. Make sure that the power lead is connected properly to 1. To prevent a short circuit, remove the key from the ignition Power source, otherwise damage to radio may result. If a and disconnect the battery.
  • Page 4: Service Note And Precations

    SERVICE NOTES AND PRECAUTIONS 3. Each and every pickup is already individually adjusted to LASER BEAM SAFETY PRECAUTIONS a high degree of precision, and for that reason the adjust- NOTES FOR TRANSPORT AND STORAGE ment point and installation screws should be absolutely 1.
  • Page 5 SERVICE NOTE AND PRECATUTIONS Static Electricity The CD pickup might suffer destruction by static electricity during spare-parts maintenance or replacement, although it is stable when connected to the circuit in the CD unit. The destruction might caused because the laser diode terminal will be electrically open.
  • Page 6: Operation Check

    OPERATION CHECK GENERAL SPECIFICATIONS OF SIGNAL Standard frequency 98.1 MHz (87.5, 108 MHz) 1000 kHz (522, 1620 kHz) 200 kHz (144, 288 kHz) Signal output 1 mV 5 mV 5 mV Modulation 400 Hz 30% MOD. FM Stereo 1 kHz 75 kHz DEV.
  • Page 7: Alignment Locations

    ALIGNMENT LOCATIONS FM TUNER...
  • Page 8 ALIGNMENT PROCEDURES FM ADJUSTMENT Equipment Required AM IF/RF signal generator Solid-state voltmeter (SSVM) Regulated DC power supply 2-CH voltmeter Distortion meter FM Alignment Using FM Signal Generator Note: Press the radio power switch to on the radio. Signal generator output must be kept as low as possible to avoid overload and clipping.
  • Page 9: Switching To Radio Mode

    RADIO OPERATION FOR FXD-680GD, FXD685GD FM/MW/LW CD RECEIVER 45W x 4 CD-R&RW FM/MW/LW CD RECEIVER 45W x 4 CD-R&RW FXD-680GD FXD-685GD SWITCHING TO RADIO MODE…………………….…1 Press SOURCE button 1 to select radio mode, the radio mode appears in the display together with the memory band and frequency.
  • Page 10 • Programming stations ..1. Select the desired band, then tune in the station you want to store in memory. 2. Press and hold one of the preset buttons 5 for more than 2 seconds until the corresponding preset button number appears. Repeat steps 1. and 2. to program additional stations.
  • Page 11: Switching To Cd Mode

    CD OPERATION FOR FXD-680GD, FXD-685GD FM/MW/LW CD RECEIVER 45W x 4 CD-R&RW FM/MW/LW CD RECEIVER 45W x 4 CD-R&RW FXD-685GD FXD-680GD LOADING AND EJECTING THE CD………………1,8 Insert a disc into the CD slot 1 and the CD player will start.
  • Page 12: Repeat Mode

    Notes • During playback of a CD, the CD running indicator spins. • The unit will turn-on automatically when a CD is inserted if the ignition switch is “ON”. REPEAT MODE ............6 Press the RPT button 6 to play the current track repeatedly. To cancel this mode, press the RPT button 6 again.
  • Page 13 AUX MODE OPERATION FOR FXD-680GD FM/MW/LW CD RECEIVER 45W x 4 CD-R&RW SWITCHING TO AUX MODE........1 The unit has a pair of auxiliary input terminals (see WIRING figure on page 18). This allows you to listen to an auxiliary audio source (MP3, portable cassette player, etc).
  • Page 14 CD CHANGER OPERATION FOR FXD-685GD FM/MW/LW CD RECEIVER 45W x 4 CD-R&RW SWITCHING TO CD MODE........1 Press the SOURCE button 1 with the power on to select CDC mode. When the CDC mode is switched on, playback begins with the first CD that the CD changer detects. SKIPPING TRACKS ..........…2 Press the TUN/TRK to skip to the beginning of the next track.
  • Page 15: Selecting A Disc

    To cancel the track shuffle or disc shuffle mode, press the SHF button 6 again. SELECTING A DISC..........7,8 Press the DISC – button 7 to select the preceding disc. Press the DISC + button 8 to select the next disc. Note • Use with only SANYO CD Changer.
  • Page 16 REMOTE CONTROL (OPTIONAL) FOR FXD-680GD, FXD-685GD POWER TUN/TRK LOUD 1.POWER 9. BAND/LOUD 2. AUDIO 10.PAU 3. VOL 11.SCN 4. VOL 12.RPT 5. SOURCE 13.SHF 6. TUN/TRK 14.SOUND 7. TUN/TRK 15.1~6 Preset buttons...
  • Page 17: Hints For Proper And Safe Operation

    10 seconds, the player will reload the disc to prevent damage. • Servicing Should a problem develop, do not open the unit or try to repair it yourself. If servicing is required, bring the unit to a Sanyo Authorized Service Center.
  • Page 18: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS DUMMY BOX SCHEMATIC ● AM DUMMY ANTENNA ● FM DUMMY ANTENNA...
  • Page 19: Block Diagram

    BLOCK DIAGRAM FOR FXD-680GD...
  • Page 20 BLOCK DIAGRAM FOR FXD-685GD...
  • Page 21: Ic/Transistor Lead Identification

    IC/TRANSISTOR LEAD IDENTIFICATION...
  • Page 22: Cd Mechanism Exploded View

    CD MECHANISM EXPLODED VIEW (MECHANSIM #94-01683-10)
  • Page 23: Cabinet & Chassis Exploded View

    CABINET & CHASSIS EXPLODED VIEW...
  • Page 24: Part List - Cd Mechanism

    PART LIST – CD MECHANISM Ref. No. Parts No. Description RPST-23G SENSOR RPFR 1 SENSOR PCB RPCA/H 0” TT 2*3 SCREW RPSECC T1.0 COVER-UPPER RPPOM (F20-03) 1 LEVER DISC RPPOM (F20-03) 2 GUIDE UP RPPOM (F20-03) 3 BUSHING ROLLER RPSLICON ROLLER DISC RPSUS 303 SHAFT ROLLER...
  • Page 25 PART LIST – CD MECHANISM Ref. No. Parts No. Description RPPOM (F20-03) 18 CLAMP DISC RPSECC T1.0 3 HOLD CLAMPER RPSUS304WPB 5 S/P CLAMPER RPABS G/F 20% TURN TABLE RPPOM (F20-03) 19 BASE PU RPSUM24L-NI 5 PIN SIDE (A) RPCA/H 0” M/S 1.7*2.5 SCREW RPSUM24L-NI 6 PIN SIDE (B)
  • Page 26: Part List Key

    PART LIST CABINET & CHASSIS Ref. No. Part No. Description Panel RP51-V3626-80B Trim Ring (S. OPC1202) RP51-V3620-00 Base (For CD) RP94-01683-10 CD MECHA. CDM-1683 EUR (143A W/O PCB) RP61-V3601-00 Main Bracket (CD) RP61-V3604-00 Bottom Cover RP35-V3601-00 Main Fiber RP11-17021-025 Main Board RP61-3603-00 Mounting Box RP81-68608-01...
  • Page 27 ACCESSORY EXPLODED VIEW Locking Screw Mounting Strap Unlock Levers Carrying Case ACCESSORY – PART LIST Ref. No. Part No. Description RP35-40005-00 HEXAGON NUT M5 RP35-50001-00 SPRING WASHER M5 RP39-00128-00 METAL BAR (197MM) RP40-05006-07 SCREW Ø5X6 RH/MS RP40-15025-11 SCREW Ø5X25 TA/ST RP39-V3610-00 KEY (1.0) RP51-A8026-00...
  • Page 28 PARTS LIST MAIN CIRCUIT BOARD FOR FXD-680GD, FXD-685GD ● ▲ : FXD-680GD : FXD-685GD Ref. No. Part No. Description Q705,801 RP01-00435-00S TR. BD435 NPN TO-126 SAMSUNG Q106/7,123,401,708,802,901 RP01-01175-00 TRANSISTOR 2SA1175-FF Q707 RP01-01240-00 TRANSISTOR B1240 Q101/2/4/5/8,121,706,803/4 RP01-02785-00C TRANSISTOR 2SC2785 “NEC” Q402~5...
  • Page 29 MAIN CIRCUIT BOARD FOR FXD-680GD, FXD-685GD ● ▲ : FXD-680GD : FXD-685GD Ref. No. Part No. Description C410 RP06-10227-02N E. CAP 220µF 10V Ø8X5MM 105°C C123/5 RP06-10476-01C E. CAP 47µF 10V (Ø5X7MM MINI) C517/8 RP06-16106-02 E. CAP 10µF 16V (Ø6.3X5MM)
  • Page 30 MAIN CIRCUIT BOARD FOR FXD-680GD, FXD-685GD ● ▲ : FXD-680GD : FXD-685GD Ref. No. Part No. Description R115,151/3,427~30,502,602/4/5/6,622/6 RP07-05472-16A RES. 4.7kΩ 1/16W (TAPPING) ~9,634,806,813 R154,406~9,411/2/6/7,425,501,601/9, RP07-05473-16A RES. 47kΩ 1/16W (TAPPING) 610/4~6,621,716,726,801/5/8,812 R439~42 RP07-05474-16A RES. 470kΩ 1/16W (TAPPING) R420/1,902 RP07-05562-16A RES. 5.6kΩ 1/16W (TAPPING)
  • Page 31 KEY CIRCUIT BOARD FOR FXD-680GD, FXD-685GD Ref. No. Part No. Description ZD101 RP02-00062-07 E.S.D. DIODE NNCD6.2G (5PIN) LED1 RP02-01112-02 SMD LED FR1112H (RED) STANLEY LED2~25 RP 02-01112-03F FA1112H (ORANGE) SMD LED “STANLEY” RP02-A1702-23 CD1702 LCD B.L. 97X17 AMBER IC101 RP03-75823-00...
  • Page 32 CD SERVO CIRCUIT BOARD FOR FXD-680GD, FXD-685GD Ref. No. Part No. Description Q3~5 RP01-00103-00K TR. KRC103S NPN SOT-23 KEC RP01-00812-00N TR. 2SA812 PNP TO-92M NEC RP01-01225-13R RANSISTOR 2SD1225M NPN ATV ROHM D1,2 RP02-00144-00 IR LED MIE 144A1MC RP02-50036-00 ZENER DIODE 3.6V 0.5W RP02-50056-00 ZENER DIODE 5.6V 0.5W...
  • Page 33 CD SERVO CIRCUIT BOARD FOR FXD-680, FXD685GD Ref. No. Part No. Description RP07-63183-00 CHIP RES 18kΩ ±5% 0603 SMT RP07-63203-00 CHIP RES 20kΩ ±5% 0603 SMT R54/6/7 RP07-63222-00 CHIP RES 2.2kΩ ±5% 0603 SMT R10,12 RP07-63224-00 CHIP RES. 220kΩ ±5% 0603 SMT R26,58,60 RP07-63274-00 CHIP RES.
  • Page 34 REMOTE CIRCUIT BOARD FOR FXD-680GD, FXD-685GD Ref. No. Part No. Description Q500 RP01-01781-18 TR. 2SD1781K-R “ROHM” RP02-00334-00 INFRARED LED Ø3MM MIE-334A4 D500/1 RP02-04148-00 DIODE IN-4148 IC500 RP03-00101-00 IC S0101 (SGNEC) C504 RP05-03105-10M CHIP CAP KC20E1C105M-TS C501/2 RP05-03121-06 CHIP CAP. 120PF (NPO)
  • Page 35 JB/GIB CIRCUIT BOARD FOR FXD-685GD Ref. No. Part No. Description MP3 SANYO RP02-04148-00 DIODE IN-4148 T-72 “ROHM” ZD301 RP02-50056-00A ZENER DIODE 5.6V 0.5W AT. IC501 RP03-03121-19 IC BA3121N C307 RP06-10227-02N E. CAP 220µF 10V Ø8X5MM 105°C C306 RP06-16106-01 E. CAP 10µF 16V Ø4X7MM...
  • Page 36: Schematic Diagram

    SCHEMATIC DIAGRAM – MAIN BOARD FOR FXD-680GD & FXD-685GD...
  • Page 37 SCHEMATIC DIAGRAM – KEY BOARD FOR FXD-680GD & FXD-685GD...
  • Page 38 SCHEMATIC DIAGRAM – CD SERVO BOARD FOR FXD-680GD & FXD-685GD...
  • Page 39 SCHEMATIC DIAGRAM – REMOTE BOARD FOR FXD-680GD & FXD-685GD...
  • Page 40 SCHEMATIC BOARD DIAGRAM – MAIN FOR FXD-680GD & FXD-685GD...
  • Page 41 SCHEMATIC BOARD DIAGRAM – KEY FOR SCHEMATIC BOARD DIAGRAM – ISO FOR FXD-680GD FXD-680GD & FXD685G FXD-685GD...
  • Page 42 SCHEMATIC BOARD DIAGRAM – CD SERVO FOR FXD-680GD & FXD-685GD...
  • Page 43 SCHEMATIC BOARD DIAGRAM – REMOTE FOR FXD-680GD & FXD-685GD...
  • Page 44 FXD-680GD FXD-685GD No. 1702YI3944 Printed In China issue date 27-04...

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Fxd-685gd