Pioneer CD-8400 Service Manual Download Page 24 | Manualshive

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PD-F957,PD-F907

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A

B

C

D

1

2

3

4

1

2

3

4

SIDEA

4.4 MAIN BOARD ASSY(FOR PD-F907)

J

MAIN BOARD ASSY

A

CN610

To PICKUP ASSY

C

J657

VR152

VR151

IC202

IC151

Q152

Q405

Q452

IC71

IC371

Q321

Q322

Q341

IC401

IC405

IC406

Q451

Q454

Q403

Q453

IC301

Q371

Q372

Q404

Q151

Q391

IC203

IC201

IC351

Q381

VR155

VR154

VR153

VR156

G

J631

N

CN701

F

J1601

E

J601

K

J11

PNP1421–C

J

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Summary of Contents for CD-8400

Page 1: ...U and the 42 5064 CD8400 and any RadioShack part numbers that are different from the Pioneer part numbers The specifications on Page 51 of the RRV1898 service manual for Pioneer s model PD F907 KU are like the specifications listed in the owner s manual for the 42 5064 CD 8400 Additional specs are given on the page inside the back cover 1998 Tandy Corporation All Rights Reserved Optimus and Radio ...

Page 2: ...NA2389 PNA2431 P6 44 Control Button PAC1822 PAC1899 P6 45 Power Button PAC1833 PAC1900 P6 46 Name Plate VAM1073 AAM7001 P6 47 Display Window PAM1725 PAM1765 P6 52 Hood PNW2732 PNW2824 P6 50 Operation Panel PNW2773 PNW2825 Ref No Mark Symbol and Description 42 5064 CD 8400 and PD F907 KU are constructed the same except for the following NOTES Parts marked by NSP are generally unavailable indicates ...

Page 3: ...RTS LIST 3 3 SCHEMATIC DIAGRAM 11 4 PCB CONNECTION DIAGRAM 19 5 PCB PARTS LIST 24 6 ADJUSTMENT 28 7 GENERAL INFORMATION 36 7 1 PARTS 36 7 1 1 IC 36 7 1 2 DISPLAY 37 7 2 DIAGNOSIS 39 7 2 1 ERROR CORD DISPLAY 39 7 2 2 ERROR HISTORY AND DISPLAY 39 7 2 3 ERROR HISTORY DISPLAY 40 7 2 4 DISASSEMBLY 41 7 3 BLOCK DIAGRAM 49 8 PANEL FACILITIES AND SPECIFICATIONS 50 PD F907 KU O AC120V KC O AC120V KU CA O A...

Page 4: ...the appliance input output terminals screwheads metal overlays control shaft etc Plug the AC line cord of the appliance directly into a 120V AC 60 Hz outlet and turn the AC power switch on Any current measured must not exceed 3 5 mA FOR USA MODEL ONLY Also test with plug reversed Using AC adapter plug as required Device under test Test all exposed metal surfaces Earth ground Leakage current tester...

Page 5: ...2 6 Operating Instructions English See Contrast table 2 7 Operating Instructions French See Contrast table 2 8 Polyethlene Bag Z21 038 9 Styrol Protector F PHA1307 10 Styrol Protector R PHA1308 11 Packing Case See Contrast table 2 12 Mirror Mat Z23 0204 NSP 13 Battery R6P AA VEM 013 Mark No Symbol Description Remarks Part No PD F957 PD F907 PD F907 KU CA KU KC 2 CONTRAST TABLE PD F907 KU KC and PD...

Page 6: ...PD F957 PD F907 4 2 2 EXTERIOR A 62 56 61 55 62 KU CA KU type only 54 45 4 53 68 50 46 13 47 13 44 11 3 68 68 51 61 63 63 PD F907 only PD F907 only ...

Page 7: ... 4 32 2 4 32 3 4 25 12 17 22 14 63 63 No 21 Back Fence cutting cutting 21 2 2 21 1 2 21 2 2 Note1 63 2 41 31 Refer to 2 3 LOADING MECHANISM ASSY 61 61 18 61 61 19 16 69 37 H 63 8 40 42 43 15 64 33 38 39 15 42 15 15 36 C H 34 59 7 21 1 2 1 26 2 2 26 1 2 10 J 69 D 61 Note2 cutting position Note2 No 26 Hood Base cutting 26 2 2 26 1 2 20 60 PD F957 Only ...

Page 8: ...646 42 Roller PNW2647 43 Gear Pulley VNL1662 44 Control Button PAC1822 45 Power Button PAC1833 46 Name Plate VAM1073 47 Display Window See Contrast table 2 48 49 50 Operation Panel See Contrast table 2 51 Bonnet Case PYY1191 52 Hood PNW2732 53 Side Fence PNW2674 54 Sensor Acryl VNK1566 55 65 Label See Contrast table 2 56 Label PRW1428 57 Label PRW1429 58 59 Slider Motor VXM1033 60 Screw IBZ30P080F...

Page 9: ...PD F957 PD F907 7 2 3 LOADING MECHANISM ASSY ...

Page 10: ...PNW2700 20 Clamper Holder ANW7117 21 Arm A ANW7057 22 Arm B ANW7058 23 Drive Plate ANW7059 24 Arm Plate ANW7060 25 Gear Plate ANW7111 26 Gear Pulley B ANW7062 27 Gear A ANW7063 28 Drive Gear ANW7064 29 30 31 32 33 34 Roller B ANW7075 35 Motor Pulley PNW1634 36 Clamper PNW2743 37 Float Spring ABH7049 38 Connector Assy 4P RDE1043 39 Float Rubber AEB7028 NSP 40 Servo Mechanism Assy GM PXA1591 41 Scre...

Page 11: ...g Position 2 1 Use nipper or other tool to cut the three sections marked in figure Then remove the spacer While supporting the spindle motor shaft with the stopper put spacer on top of the yoke M and stick the disc table on top takes about 9kg pressure Detach the spacer How to Install the Disc Table Float Base 1 1 2 A A 2 4 SERVO MECHANISM ASSY GM ...

Page 12: ...055 9 Carriage DC Motor 0 3W PXM1027 10 Disc Table Assy PEA1314 11 Mechanism Board Assy PWX1192 12 Guide Bar PLA1094 13 14 Screw JFZ17P025FZK 15 Screw JFZ20P040FMC 16 Washer WT12D032D025 17 Clamp Magnet PMF1014 18 Yoke M PNB1312 NSP 19 Disc Table PNW2410 NSP 20 Float Angle ANB7020 21 Gear Stopper PNB1303 22 Screw BPZ20P060FMC 23 Screw BPZ26P100FMC 24 PU Rack Spring ABH7077 25 Rack Holder PNW2056 S...

Page 13: ...SSY DOOR BOARD ASSY AND PICKUP ASSY E F G A B C D A G B C D E F PICK UP ASSY PEA1335 DOOR BOARD ASSY CENTER LED BOARD ASSY SENSOR BOARD ASSY PWZ3327 LOAD SW BOARD ASSY PWZ3334 LOADING MECHA BOARDASSY PWX1474 LOADING MOTOR BOARD ASSY PWZ3337 SELECT MOTOR BOARD ASSY PWZ3324 SERVO MECHANISM ASSY GM PXA1591 SPINDLE MOTOR ASSY PEA1235 CARRIAGE MOTOR ASSY PEA1246 MECHANISM BOARD ASSY PWX1192 CN610 B A D...

Page 14: ...H BOARD ASSY PWZ3675 M L D E F C B A SIGNAL ROUTE AUDIO SIGNAL EFM SIGNAL FOCUS SERVO LOOP TRACKING SERVO LOOP CARRIAGE SERVO LOOP SPINDLE DRIVE LOADING DRIVE DOOR DRIVE SEL SEL SEL D D D S D 2 23 19 18 53 4 3 7 6 8 5 16 33 23 3 4V 5 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 1 7V 1 7V 0 2V 1 6V 1 6V 1 6V 1 8V 1 8V 1 6V OV OV O 7V F T T F F F ...

Page 15: ...ANSFORMER IC301 CXD2529Q PLAY MODE PIN No Voltage V PIN No Voltage V PIN No Voltage V 1 2 3 4 7 8 9 10 11 12 13 14 16 17 23 24 25 26 27 38 39 40 41 42 43 44 45 46 47 48 50 55 56 57 61 71 75 78 79 82 83 87 88 89 90 84 86 91 92 93 95 97 96 100 5 5 5 5 5 5 5 5 5 0 0 0 0 0 5 0 5 0 5 0 5 0 5 0 5 0 4 7 2 5 2 5 2 5 2 5 2 5 3 1 3 1 2 5 2 5 0 9 2 5 2 5 2 5 4 4 4 7 4 7 4 7 1 2 1 4 1 2 1 3 2 6 2 7 0 05 ...

Page 16: ...Z3432 SWITCH BOARD ASSY O N J D E F C B A SIGNAL ROUTE AUDIO SIGNAL EFM SIGNAL FOCUS SERVO LOOP TRACKING SERVO LOOP CARRIAGE SERVO LOOP SPINDLE DRIVE LOADING DRIVE DOOR DRIVE SEL SEL SEL D D D S D 2 23 19 18 53 4 3 7 6 8 5 33 16 23 PWZ3400 3 4V 5 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 1 7V 1 7V 0 2V 1 6V 1 6V 1 6V 1 8V 1 8V 1 6V OV OV O 7V F T T F F F ...

Page 17: ...301 CXD2519Q PLAY MODE PIN No Voltage V PIN No Voltage V PIN No Voltage V 1 2 3 4 7 8 9 10 11 12 13 14 16 17 23 24 25 26 27 38 39 40 41 42 43 44 45 46 47 48 50 55 56 57 61 71 75 78 79 82 83 87 88 89 90 84 86 91 92 93 95 97 96 100 5 5 5 5 5 5 5 5 5 0 0 0 0 0 5 0 5 0 5 0 5 0 5 0 5 0 4 7 2 5 2 5 2 5 2 5 2 5 3 1 3 1 2 5 2 5 0 9 2 5 2 5 2 5 4 4 4 7 4 7 4 7 1 2 1 4 1 2 1 3 2 6 2 7 0 05 ...

Page 18: ...907 KU KC PWZ3426 PD F957 KU CA PWZ3675 PD F907 KU KC PWZ3432 PD4934B DISPLAY BOARD ASSY S703 MODE S704 UNLOAD S707 6 S708 OPEN CLOSE S709 HI LITE S710 7 S711 4 1 S712 S713 BEST S714 PREVIOUS S715 DISC S716 DISC S717 CLEAR S718 PGM S719 TITLE INPUT PD F957 RANDOM PD F907 S720 TITLE DISPLAY PD F957 REPEAT PD F907 SWITCHES SWITCH BOARD ASSY S751 SL ACCESS S752 SL PLAY S753 POWER STAND ON L M N O ...

Page 19: ...3 6 4 TP1 Pin 1 TRACK SEARCH MODE RF 500 mV div 200 µsec div TP1 Pin 6 PLAY MODE FOER 100mV div 10msec div TP1 Pin 2 PLAY MODE TRER 200mV div 1msec div TP1 Pin 2 50T JUMP 1 MODE TRER 200mV div 1msec div IC202 Pin 3 FOCUS IN 2 MODE FODR 1V div 200msec div IC202 Pin 3 PLAY MODE FODR 1V div 1msec div IC202 Pin 4 PLAY MODE TRDR 500mV div 1msec div IC202 Pin 4 50T JUMP 1 MODE TRDR 500mV div 1msec div I...

Page 20: ... PLAY MODE 1kHz LOUT 1 1V div 200msec div IC301 Pin 54 PLAY MODE 1kHz BCK 2V div 500nsec div IC301 Pin 50 PLAY MODE 1kHz LRCK 2V div 10 µsec div IC301 Pin 52 PLAY MODE 1kHz PCMD 2V div 500nsec div TRACK SEARCH MODE Upper TP1 Pin 1 RF 1V div Lower IC151 Pin 23 C OUT 2V div 50 µsec div IC301 Pin 27 PLAY MODE MDP 2V div 2 µsec div GND GND GND GND GND GND GND GND GND ...

Page 21: ...en the main parts of PCB and schematic diagrams is shown below Symbol in PCB Diagrams Symbol in Schematic Diagrams Part Name Transistor Transistor with resistor Field effect transistor B C E B C E B C E D G S B C E B C E B C E D G S D G S 3 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the...

Page 22: ...FOR PD F957 H MAIN BOARD ASSY A CN610 To PICKUP ASSY C J657 VR152 VR151 IC202 IC151 Q152 Q405 Q452 IC71 Q321 Q322 Q341 IC401 IC405 IC406 Q451 Q454 Q403 Q453 IC301 Q406 Q404 Q151 Q391 IC203 Q153 IC201 Q381 VR155 VR154 VR153 VR156 G J631 L CN701 F J1601 E J601 I J11 PNP1443 A ...

Page 23: ... 3 4 1 2 3 4 SIDE A L I 4 3 DISPLAY BOARD ASSY SWITCH BOARD ASSY AND POWER BOARD ASSY FOR PD F957 M SWITCH BOARD ASSY L DISPLAY BOARD ASSY I POWER BOARD ASSY H CN351 IC21 IC41 IC31 IC32 Q701 IC701 Q702 IC702 AC IN H CN11 PNP1443 A M ...

Page 24: ...07 J MAIN BOARD ASSY A CN610 To PICKUP ASSY C J657 VR152 VR151 IC202 IC151 Q152 Q405 Q452 IC71 IC371 Q321 Q322 Q341 IC401 IC405 IC406 Q451 Q454 Q403 Q453 IC301 Q371 Q372 Q404 Q151 Q391 IC203 IC201 IC351 Q381 VR155 VR154 VR153 VR156 G J631 N CN701 F J1601 E J601 K J11 PNP1421 C J ...

Page 25: ... D 1 2 3 4 1 2 3 4 SIDE A K O N 4 5 DISPLAY BOARD ASSY SWITCH BOARD ASSY AND POWER BOARD ASSY FOR PD F907 O SWITCH BOARD ASSY N DISPLAY BOARD ASSY K POWER BOARD ASSY J CN351 J CN11 IC31 IC21 IC33 IC32 IC23 Q711 AC IN PNP1421 C ...

Page 26: ...3414 PWZ3414 DISPLAY BOARD ASSY PWZ3672 PWZ3426 PWZ3426 NSP SWITCH BOARD ASSY PWZ3675 PWZ3432 PWZ3432 NSP DOOR BOARD ASSY PWZ3681 PWZ3441 PWZ3441 NSP CENTER LED ASSY PWZ3683 PWZ3443 PWZ3443 NSP SELECT MECHA BOARD ASSY PWX1465 PWX1465 PWX1465 NSP SELECT MOTOR BOARD ASSY PWZ3324 PWZ3324 PWZ3324 NSP SENSOR BOARD ASSY PWZ3327 PWZ3327 PWZ3327 LOADING MECHANISM ASSY PXA1589 PXA1589 PXA1589 NSP LOADING M...

Page 27: ...YF103Z50 C355 C366 C371 C375 CKCYF103Z50 C381 C382 C387 C394 C398 CKCYF103Z50 RESISTORS R189 RD1 4VM163J R157 RD1 4VM274J VR153 VR155 10k Ω RCP1045 VR151 VR152 VR154 22k Ω RCP1046 VR156 220k Ω RCP1049 Other Resistors RD1 4PU J OTHERS CN207 MT 4P CONNECTOR 173981 4 CN208 3P JUMPER CONNECTOR 52147 0310 CN205 4P JUMPER CONNECTOR 52147 0410 CN203 5P JUMPER CONNECTOR 52147 0510 CN204 7P JUMPER CONNECTO...

Page 28: ...EMOTE RECEIVER UNIT GP1U27X DOOR BOARD ASSY OTHERS CONNECTOR 51048 0400 REAF SWITCH VSK1011 CENTER LED BOARD ASSY SEMICONDUCTORS D1601 D1603 SLR 342YCT31 RESISTORS Other Resistors RD1 4PU J OTHERS CONNECTOR 51048 0300 J1601 D20PDY0340G SELECT MOTOR BOARD ASSY SELECT MOTOR BOARD assembly has no service part SENSOR BOARD ASSY SEMICONDUCTORS Q601 Q602 DTC124ES D601 D602 GP1S53V RESISTORS Other Resist...

Page 29: ... C205 C210 C215 CKCYF103Z50 C219 C304 C318 C323 366 C353 CKCYF103Z50 C354 C358 C362 C366 CKCYF103Z50 C375 C399 C81 CKCYF103Z50 RESISTORS R189 RD1 4VM163J R157 RD1 4VM274J VR153 VR155 10k Ω RCP1045 VR151 VR152 VR154 22k Ω RCP1046 VR156 220k Ω RCP1049 Other Resistors RD1 4PU J OTHERS CN207 MT 4P CONNECTOR 173981 4 CN208 3P JUMPER CONNECTOR 52147 0310 CN205 4P JUMPER CONNECTOR 52147 0410 CN203 5P JUM...

Page 30: ...8 9 10 11 12 ADJ Page 9 CD TEST DISC YEDS 7 8 Cm DISC With at last about 20 minutes recording screwdriver small Precise screwdriver screwdriver medium screwdriver large 39 kΩ 0 001µF Low frequency oscillator Dual trace oscilloscope 10 1 probe Low pass filter 1 39 kΩ 0 001µF 56 kΩ 0 001µF Low pass filter 2 56 kΩ 0 001µF Ball point hexagon wrench size 1 5mm GGK1002 Page 30 35 1 3 5 6 7 8 9 10 11 12 ...

Page 31: ...ort Point W184 W188 MAIN BOARD ASSY Short Point W184 W188 MAIN BOARD ASSY PICKUP ASSY Adjustment screw Tangential tilt direction Adjustment screw Radial tilt direction FRONT 1 6 CN201 VR152 FO GAIN VR151 TR GAIN VR155 TR BAL VR154 FO OFS VR153 RF LEVEL W188 W184 MAIN BOARD ASSY TP1 6 FE 5 FI 4 VC 3 TI 2 TE 1 RF CN201 1 2 3 4 5 6 Grating adjustment Upper No 1 SLOT MODE VR156 FO BEST 1 6 CN201 VR152...

Page 32: ...Grating Adjustment Oscilloscope DC Mode V 10mV div H 5mSec div Player FE VC START TP1 CN201 TE VC Locate null Counterclockwise Maximum amplitude 39kΩ 0 001µF Prove 10 1 GND Low pass filter 1 MAIN BOARD ASSY MAIN BOARD ASSY 6 2 3 Check and Adjustment 4 Test mode SPDL servo FOCUS servo TRKG servo CLOSE CLOSE OPEN TEST DISC Innermost circumference 1 TRK PLAY Turn counterclockwise from null PICKUP ...

Page 33: ...ference 1 TRK VC A B GND GND Player TP1 CN201 RF VC START Probe 10 1 Oscilloscope AC Mode V 20mV div H 200nSec div NG OK Smooth Eye pattern 4 Pickup 1Radial 2Tangential Direction Tilt Adjustment MAIN BOARD ASSY MAIN BOARD ASSY MAIN BOARD ASSY TEST DISC PLAY Test mode SPDL servo FOCUS servo TRKG servo CLOSE CLOSE CLOSE Position where the screw is visible through the adjustment hole of the float bas...

Page 34: ... div Prove 10 1 Player START TP1 CN201 RF VC MAX GND Prove 10 1 FE 6 1 4 GND Adjust the RF level to maximum with the focus error voltage within 150mV MAIN BOARD ASSY MAIN BOARD ASSY MAIN BOARD ASSY Test mode SPDL servo FOCUS servo TRKG servo CLOSE CLOSE CLOSE TEST DISC PLAY Innermost circumference 1 TRK VR156 MAIN BOARD ASSY Test mode SPDL servo FOCUS servo TRKG servo CLOSE CLOSE CLOSE TEST DISC P...

Page 35: ...ER JUST Low frequency oscillator 1 2kHz 1Vp p GND GND Prove 10 1 56kΩ 0 001µF Low pass filter 2 100kΩ FE Make adjustment if the value exceeds the specified range Check 6 5 4 Lissajous Waveform MAIN BOARD ASSY MAIN BOARD ASSY VR153 MAIN BOARD ASSY Test mode SPDL servo FOCUS servo TRKG servo CLOSE CLOSE CLOSE TEST DISC PLAY Innermost circumference 1 TRK Test mode SPDL servo FOCUS servo TRKG servo CL...

Page 36: ...AIN BOARD ASSY VR156 MAIN BOARD ASSY Test mode SPDL servo FOCUS servo TRKG servo CLOSE CLOSE CLOSE TEST DISC PLAY Innermost circumference 1 TRK UNDER Oscilloscope X Y Mode X 20mV div Y 5mV div GND Prove 10 1 Player START TP1 CN201 FI VC UPPER JUST Low frequency oscillator 1 2kHz 1Vp p GND GND Prove 10 1 56kΩ 0 001µF Low pass filter 2 100kΩ FE 6 5 4 Lissajous Waveform MAIN BOARD ASSY Test mode SPDL...

Page 37: ...D ASSY VR156 MAIN BOARD ASSY Test mode SPDL servo FOCUS servo TRKG servo CLOSE CLOSE CLOSE TEST DISC PLAY Innermost circumference 1 TRK 12 Tracking Servo Loop Gain Adjustment UNDER Oscilloscope X Y Mode X 20mV div Y 10mV div GND Prove 10 1 Player START TP1 CN201 TI VC UPPER JUST Low frequency oscillator 1 2kHz 1Vp p GND GND Prove 10 1 100kΩ TE 2 3 4 Lissajous Waveform MAIN BOARD ASSY Test mode SPD...

Page 38: ... decooder reset output L reset 38 SCOR I Subcode sync SO S1 input 39 RMDT I Remote control data input 40 VSS GND GND 41 QSEL O Signal output for Q DATA expansion 42 MUTE O Muting output for expansion MUTE H 43 TRCH O Data serial output for expansion 44 SCL O EEPROM clock output 45 SDA I O EEPROM data IN OUTPUT 46 VDD 5V 5V 47 STBL O Standby led osce 48 KD3 I 49 KD2 I Key data input 50 KD1 I 51 KD0...

Page 39: ...PD F907 37 7 1 2 DISPLAY PEL1095 V701 DISPLAY BOARD ASSY FOR PD F957 Pin Assignment Anode Grid Assignment Pin Connection 42 43 1 84 CUSTOM ALL SINGLE PREVIOUS DISC SCAN ADLC REMAIN RDM PGM BEST REPEAT 1 CDTEXT ...

Page 40: ...PD F957 PD F907 38 Pin Assignment Anode Grid Assignment Pin Connection PEL1089 V701 DISPLAY BOARD ASSY FOR PD F907 ...

Page 41: ...ars on the fluorescent indicator display by the above operation A Disc No Error code B Track No Error sequence C Minute second No Error generation mode Only 10 s digit is valid The previously generated 16 error codes maximum can be memorized These error codes are displayed one at a time in the ascending order by pressing the BEST button again Note A product performs fail safe operation when an err...

Page 42: ...mpletely A disc couldn t be normally rotated during playback due to the crack and stain on the disc User display Description None A7 Mechanism position just before the LOADING mechanism shifts to the disc selection operation when the DCNT pin is low The DCNT pin is usually high when the LOADING mechanism is in the stop state The mechanism position is thus judged to have been shifted for some reaso...

Page 43: ...Mecha Base slide the Loading Mechanism Assy to pull up and remove the Loading Mechanism Assy While holding down the hook of the Mecha Base slide the Mechanism Stopper toward the right to pull up and remove the Mecha Stop per Stopper Angle Rear Base 2 2 3 4 4 4 4 4 5 4 4 7 6 Back Fence Push Push Loading Mechanism ASSY Hook Mecha Stopper Mecha Base 10 9 8 Push Push Mecha Base Loading Mechanism ASSY ...

Page 44: ...he Center Pole Refer to the REMOVING THE DISC RACK Shift the Front Panel slightly toward you while paying attention to the back side hooks on the Chassis Open the Hood Remove the Screws Press the 4 hooks to remove the Center Pole from the Operation Panel Hook section 2 5 3 2 2 5 Center Pole Hood OPEN Operation Panel Disc Rack 1 2 3 4 3 3 3 1 2 3 4 5 1 2 3 4 ...

Page 45: ...NG THE OPERATION PANEL Remove the Screws Remove the Back Fence Press the hook of the Stopper of the Hood Base to remove the Stopper Slide the Hood toward the left to remove the Hood Remove the Screws Remove the Hood Base 7 1 2 3 4 5 8 9 Hood Base Turning Back Fence Hood Push Hook section 5 8 9 7 4 3 6 8 8 Stopper ...

Page 46: ...ck Place the Disc Rack below the hook of the Mecha Base then let the center hole of the Disc Rack pass through the Center Boss Gear Loading Mechanism Assy Disc Rack The hook of the Mecha Base should should be on the top of the Disc Rack Loading Mechanism Assy Slider The projection of the Drive Plate should be engaged with the corresponding part of the slider 1 1 ...

Page 47: ... GM first and press down on the float base side Remove the float rubber from the Servo Mechanism ASSY GM At this time the float rubber should re main on the float base side To install it on the float base when it has been removed push it into place with a thin cylindrical object Turn gear pulley B and position Arm A as shown below Arm A Turn Gear Pulley B 45 Servo Stopper S Float Base Connector As...

Page 48: ...g the hook in the direction of the arrow Remove screw 7 Turn gear pulley B and position Arm A as shown below Remove the Arm A spring2 from its hook Note Do not hold the tip blade of arm A during operation Remove drive plate Arm plate ArmAspring2 andArm A Refer to Steps 3 4 on page 47 8 9 Gear Pulley B Arm A Hook Arm A Spring2 Remove Cam Cover 10 10 11 12 Lift Screw Gear Pulley B Arm B Arm A 10 4 5...

Page 49: ... plate which were assem bled in Step on the Arm A side as shown below At this time be careful to keep Arm A in the posi tion described in Step Insert the gear plate boss into the drive plate groove and pull it toward you Turn gear pulley B and position Arm A as shown below Note Do not hold the tip blade of arm A during operation Drive Plate Hook Arm Plate Arm A Arm Spring2 Arm A Set Position Loadi...

Page 50: ...PD F957 PD F907 48 10 11 12 Turn Install Arm B Gear Plate Arm A Arm B Gear Pulley B Arm A 45 13 14 15 Gear Pulley B Clamp Spring Clamper Holder 1 0 1 2 1 3 1 5 ...

Page 51: ...DRIVE MOTOR DRIVE AMP IC201 IC202 LA6520 IC203 LA6517 IN SIDE SW LD ON LD MD A F PICK UP ASSEMBLY M TRACKING DRIVE FOCUS DRIVE CARRIAGE DRIVE SPINDLE DRIVE DISC SELECT DRIVE LOADING DRIVE DOOR DRIVE EJECT SW CLAMP SW DISC COUNT DISC POSITION FLOURESCENT DISPLAY FUNCTION KEY DOOR SW LED X351 MUTE OPTICAL OUT DECK SYNCHRO AUDIO OUTPUT SR IN SIDE SW CPU PD F957 PD4934B IC351 PD F907 PD4817A IC701 RES...

Page 52: ...ing time is displayed Lights during CD TEXT disc playback Remote sensor Hood MODE button HI LITE button CLEAR button PROGRAM button SINGLE LOADER ACCESS button SINGLE LOADER PLAY button STANDBY ON switch UNLOAD button OPEN CLOSE button BEST button Play Pause button PREVIOUS button Stop button DISC buttons Track Manual search buttons TITLE INPUT button TITLE DISPLAY button D FILE TYPE COMPACT DISC ...

Page 53: ...mprovements 1 General Type Compact disc digital audio system Power requirements U S and Canadian models AC 120V 60 Hz U K model AC 220 240V 50 60 Hz European model AC 220 240V 50 60 Hz Multi voltage model AC 110 127 220 240V switchable 50 60Hz Power consumption U S and Canadian models 12W U K model 14W European model 14W Multi voltage model 14W Operating temperature 5 C 35 C 41 F 95 F Weight witho...

Page 54: ......

Page 55: ...1 AUDIO SPECIFICATIONS Frequency response 2Hz to 20 kHz Signal to noise ratio More than 98 dB Dynamic range More than 96 dB THD 1kHz 0 003 maximum Output voltage 2 Vrms Channel balance 1 0 dB maximum ...

Page 56: ...6A8 RadioShack A Division of Tandy Corporation Fort Worth Texas 76102 Printed in Japan RRV1971M ZZY ...

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