Pioneer PD-M427 Service Manual Download

Page: 22 / 32

PD-M427

6. ADJUSTMENT

6.1 PREPARATIONS

6.1.1 Jigs and Measuring Instruments

6.1.2 Necessary Adjustment Points

When

Adjustment points

Exchange

PICKUP

Exchange

MAIN BOARD ASSY

Exchange

SERVO MECH ASSY

Exchange

SPINDLE MOTOR

1.2.3.4.5.6.7.
8.9.10.11.12

ADJ

Page 11

CD TEST DISC

(YEDS-7)

screwdriver

(small)

Precise

screwdriver

(medium)

screwdriver

(large)

39 k

Ω

0.001

Low-frequency

oscillator

Dual-trace

oscilloscope

(10 : 1 probe)

Low pass filter

(39 k

Ω

+ 0.001

56 k

Ω

0.001

Low pass filter

(56 k

Ω

+ 0.001

Ball point hexagon wrench

(size: 1.5mm)

GGK1002

Page 24~29

1.3.5.6.7.8.
9.10.11.12

1.2.3.4.5.6.7.
8.9.10.11.12

Page 24~29

Summary of Contents for PD-M427

Page 1: ...905 MULTI COMPACT DISC PLAYER PD M427RFXJ T ZZR MAR 2004 Printed in Japan PD M427 For details refer to Important symbols for good services 7 6 6 MULTI COMPACT DISC PLAYER STANDBY ON DISC TRACK MIN SEC 1 BIT DLC DIRECT LINEAR CONVERSION EJECT REPEAT PROGRAM DISC TRACK MANUAL RANDOM HI LITE STOP PLAY PAUSE DISC MULTI CD 0 4 1 Type Model Power Requirement The voltage can be converted by the following...

Page 2: ...SERVICING OPERATION OF THE APPARATUS LASER DIODE CHARACTERISTICS FOR DVD MAXIMUM OUTPUT POWER 5 mW WAVELENGTH 650 nm FOR CD MAXIMUM OUTPUT POWER 7 mW WAVELENGTH 780 nm Additional Laser Caution Refer to page 23 on the service manual RRV2905 LABEL CHECK REAR DRW2168 1 Laser Interlock Mechanism The position of the switch S651 for detecting loading state is detected by the system microprocessor and th...

Page 3: ...s 5 Lubricants glues and replacement parts Appropriately applying grease or glue can maintain the product performances But improper lubrication or applying glue may lead to failures or troubles in the product By following the instructions in this manual be sure to apply the prescribed grease or glue to proper portions by the appropriate amount For replacement parts or tools the prescribed ones sho...

Page 4: ...E MECHANISM SECTION 10 3 SCHEMATIC DIAGRAM 12 3 1 MOTHER DISPLAY and SW BOARD ASSYS 12 3 2 WAVEFORMS MOTHER BOARD ASSY 14 4 PCB CONNECTION DIAGAM 16 4 1 MECHA DISPLAY SW and HP BOARD ASSYS 16 4 2 MOTHER BOARD ASSY 17 6 1 PREPARATIONS 22 6 2 ADJUSTMENT 23 5 PCB PARTS LIST 19 6 ADJUSTMENT 22 7 GENERAL INFORMATION 30 7 1 DISPLAY 30 7 2 CLEANING 31 7 3 BLOCK DIAGRAM 31 8 PANEL FACILITIES 32 CONTENTS ...

Page 5: ...and models 12 W Operating temperature 5 C 35 C 41 F 95 F Weight without package 3 7 kg 8 lb 3 oz External dimensions 420 W x 294 D x 105 H mm 16 9 16 W x 11 9 16 D x 4 1 8 H in Audio section Frequency response 2 Hz 20 kHz Output voltage 2 0 V Wow and flutter Limit of measurement 0 001 W PEAK or less EIAJ Channels 2 channel stereo Output terminal Audio line output Control input output jacks Accesso...

Page 6: ...me component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Screws adjacent to mark on product are used for disassembly For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate NOTES REAR 10 9 5 8 11 4 3 7 6 12 1...

Page 7: ...CU PD104 4 Battery Cover PZN1010 5 6 Compact Disc Magazine PXA1617 6 Operating Instructions PRE1298 English Trad Chinese 7 Styrol Protector F PHA1276 8 Styrol Protector R PHA1277 9 CD Packing Case PHG2373 10 Mirror Mat Sheet Z23 007 750X600X0 5 NSP 11 Dry Cell Battery AAA R03 VEM 022 12 Caution 220V Label ARR1003 1 PACKING PARTS LIST Mark No Description Parts No ...

Page 8: ... 1 2 3 4 C D F A B E PD M427 F F 1 4 3 20 21 21 24 21 22 22 32 27 29 5 22 7 7 28 7 17 25 25 17 24 2 6 26 8 10 14 19 9 16 18 22 23 30 23 22 22 11 8 6 33 15 12 Refer to 2 3 MULTI MECHANISM ASSY 34 34 2 2 EXTERIOR ...

Page 9: ...te PAM1776 12 Power Button PAC1719 13 14 Track Button PAC1765 15 Display Window PAM1855 16 Spring Door PBH1022 NSP 17 Earth Lead Unit DE007VF0 18 Door PNW2598 19 FUNCTION BOARD Assy PWZ2769 20 MOTHER BOARD Assy PNW2155 21 Screw BBZ30P060FMC 22 Screw BBZ30P080FZK 23 Screw PPZ30P120FMC 24 Screw FBT40P080FZK 25 Screw PDZ30P050FMC NSP 26 Under Base PNA1751 27 Rear Base PNA2597 NSP 28 Multi Mechanism A...

Page 10: ... 70 84 82 79 73 74 53 72 22 19 20 41 14 15 77 38 9 1 38 12 36 67 11 59 2 Label 8 38 66 38 60 10 35 6 45 44 38 37 5 40 7 31 46 47 28 47 46 47 34 65 1 Label Red Mark Red Mark Fix the motor No 59 on the gear holder No 2 so that the label attached on the motor faces the direction illustrated 2 Fix the motor No 59 on the top guide N No 6 so that the label attached on the motor faces the direction illus...

Page 11: ...ck Spring PBH1128 49 Guide Bar PLA1094 50 Disc Table PNW1067 51 Gear 1 PNW2052 52 Gear 2 PNW2053 53 Gear 3 PNW2054 54 Pinion Gear PNW2055 55 FFC Holder M PNW2746 56 Carriage Base PNW2699 57 D C Motor Assy PEA1235 Spindle with oil 58 Pickup Assy PEA1335 59 Carriage Motor VXM1033 60 Eject Lever PNB1644 61 Upper Chassis PNB1642 NSP 62 Servo Mechanism Assy M PXA1595 NSP 63 LOADING BOARD Assy PWZ2038 6...

Page 12: ...5 CARRIAGE MOTOR ASSY PEA1246 VXM1033 VXM1033 4 C301 R362 CN602 D20PYY0615E R363 R364 R365 10K 10K 10K 10K MZS1 MZS2 DCH DCNT DSEL M CN204 DISC SELECT SELECT BOARD ASSY PWZ2533 LOADING BOARD ASSY PWZ2038 MECHANISM BOARD ASSY PWX1192 MOTOR BOARD ASSY PWZ2040 LPS1 LPS2 CLAMP LOADING HOME EJECT MAGAZINE MZS1 MZS2 OUT MULTI SINGLE DCNT DCNM 2 6DISC HOME SELECTING IN L L L L L L L L L L H H H H H H H H...

Page 13: ...8 23 2 23 8 4 9 0 2 15 16 17 18 19 0 1 0 1 25 9 26 4 5 2 5 2 20 PIN No Volta ge V PLAY STOP 21 22 23 24 25 26 27 28 29 4 9 4 9 22 8 26 4 30 31 32 33 34 4 9 4 8 4 0 2 5 35 36 37 38 39 4 9 4 9 0 0 0 0 40 4 8 4 9 2 9 4 0 2 3 0 0 0 0 0 0 0 0 0 0 0 0 PIN No Volta ge V PLAY STOP 41 42 43 44 45 46 47 48 49 0 0 0 0 50 51 52 53 54 4 9 4 9 55 56 57 58 59 4 9 4 9 0 1 0 1 60 4 9 4 9 4 9 2 3 2 3 2 2 2 2 0 1 0 ...

Page 14: ...US IN 2 MODE FODR 1V div 200msec div IC202 Pin 4 PLAY MODE FODR 1V div 1msec div IC202 Pin 3 PLAY MODE TRDR 500mV div 1msec div IC202 Pin 3 50T JUMP 1 MODE TRDR 500mV div 1msec div IC201 Pin 9 PLAY MODE SPDR 1V div 50msec div IC201 Pin 9 TRACK SEARCH MODE SPDR 2V div 50msec div VC VC VC VC VC GND GND GND GND GND GND GND B Waveforms Mother Board Assy Note The encircled numbers denote measuring poin...

Page 15: ...in 86 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 16: ... MECHANISM BOARD ASSY MULTI MECHANISM ASSY PXA1592 SERVO MECHANISM ASSY M PXA1595 PICKUP ASSY PEA1335 CN102 B LOADING BOARD ASSY C SELECT BOARD ASSY D MOTOR BOARD ASSY A CN202 A CN131 A CN203 A CN204 PNP1331 A C B D G SIDE A 4 1 LOADING BOARD ASSY SELECT BOARD ASSY MOTOR BOARD ASSY and MECHANISM BOARD ASSY ...

Page 17: ...CB include all necessary parts for several destinations For further information for respective destinations be sure to check with the schematic diagram 4 View point of PCB diagrams Symbol In PCB Diagrams Symbol In Schematic Diagrams Part Name B C E D D G G S S B C E B C E D G S B C E B C E B C E Transistor Transistor with resistor Field effect transistor Resistor array 3 terminal regulator Capacit...

Page 18: ...OARD ASSY PNP1424 B G CN610 AC POWER CORD To PICKUP ASSY D CN602 B CN601 E CN701 VR151 VR152 Q391 Q452 Q454 Q404 Q403 Q453 Q451 Q405 IC406 IC405 IC31 IC401 IC34 Q341 Q151 Q152 Q201 IC202 IC21 Q321 VR153 VR154 VR155 VR156 SIDE A A 4 3 MOTHER BOARD ASSY ...

Page 19: ...19 5 6 7 8 5 6 7 8 C D F A B E PD M427 A MOTHER BOARD ASSY PNP1424 B IC301 IC151 IC351 SIDE B A ...

Page 20: ...F 562 x 101 5621 MOTHER BOARD ASSY PWM2155 NSP SUB BOARD ASSY PWX1337 FUNCTION BOADR ASSY PWZ2769 NSP SW BOARD ASSY PWZ2805 NSP MULTI MECHANISM ASSY PXA1592 NSP MECHA BOARD ASSY PWX1279 NSP LOADING BOARD ASSY PWZ2038 NSP MOTOR BOARD ASSY PWZ2040 NSP SELECT BOARD ASSY PWZ2533 NSP SERVO MECHANISM ASSY M PXA1595 NSP MECHANISM BOARD ASSY PWX1192 LIST OF WHOLE PCB ASSEMBLIES Mark Symbol and Description...

Page 21: ... C168 C218 CGCYX103K25 C160 CGCYX333K25 C167 CGCYX472K25 C152 C307 CGCYX473K25 C157 CGCYX823K25 C163 CKCYB102K50 C176 C306 C441 C442 CKCYB152K50 C305 CKCYB222K50 C162 CKCYB332K50 C151 CKCYB682K50 C11 C13 C15 C16 C17 CKCYF103Z50 C159 C205 C210 C215 CKCYF103Z50 C219 C301 C304 C310 CKCYF103Z50 C353 C357 CKCYF103Z50 C153 C155 C158 CQMA104J50 RESISTORS VR153 VR155 10k Ω VCP1156 VR151 VR152 VR154 22k Ω ...

Page 22: ...hange SPINDLE MOTOR 1 2 3 4 5 6 7 8 9 10 11 12 ADJ Page 11 CD TEST DISC YEDS 7 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 24 29 1 3 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8...

Page 23: ... 1 inwards outwards Pickup Move Focus servo CLOSE PROGRAM 6 Spindle motor START Spindle servo CLOSE 6 6 Tracking servo CLOSE OPEN 7 STOP all operations REAR FRONT 1 6 CN201 W107 W108 VR151 VR152 VR155 VR156 VR154 VR153 Grating VR151 TR GAIN VR152 FO GAIN VR153 RF LEVEL VR154 FO OFFSET VR155 TR BAL VR156 FO BEST 2 1 4 5 3 6 TP1 1 RF 2 TE 3 TI 4 VC 5 FI 6 FE CN201 Adjustment screw Tangential tilt di...

Page 24: ...Player 2 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 MOTHER BOARD ASSY MOTHER 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 nu...

Page 25: ... circumference 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 MOTHER BOARD ASSY MOTHER BOARD ASSY MOTHER 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 ...

Page 26: ... 200ns 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 MOTHER BOARD ASSY MOTHER BOARD ASSY MOTHER BOARD ASSY Test mode SPDL servo FOCUS servo TRKG servo CLOSE CLOSE CLOSE TEST DISC PLAY Innermost circumference 1 TRK VR156 MOTHER BOARD ASSY Test mode SPDL servo FOCUS servo TRKG servo CLOSE CLOSE CLO...

Page 27: ...VC UPPER 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 MOTHER BOARD ASSY MOTHER BOARD ASSY VR153 MOTHER 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 T...

Page 28: ...50mV MOTHER BOARD ASSY VR153 MOTHER 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 MOTHER BOARD ASSY Te...

Page 29: ...HER BOARD ASSY VR156 MOTHER 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 MOTHER BOARD ASSY T...

Page 30: ...30 1 2 3 4 1 2 3 4 C D F A B E PD M427 7 GENERAL INFORMATION 7 1 DISPLAY 7 PEL1084 V701 FUNCTION BOARD ASSY 7 FL INDICATOR TUBE Pin Assignment Pin Connection Grid Assignment Anode Connection ...

Page 31: ...he prescribed cleaning tools Position to be cleaned Cleaning tools Pickup lenses Cleaning liquid GEM1004 Cleaning paper GED 008 PICKUP Assembly SERVO CONTROLLER IC151 CXA1782CQ DECODER IC301 CXD2519Q LPF IC405 NJM4558D D AUDIO SIGNAL CPU IC351 PD4836A AMP IC201 IC202 LA6520 Spindle Carriage Loading etc Focus Tracking M DISPLAY FUNCTION KEY POWER SUPPLY ...

Page 32: ...ns with the same names or marks as buttons on the front panel of the player control the same operations as the corresponding front panel buttons 1 STANDBY ON button 2 DISC NUMBER buttons DISC 1 DISC 6 3 STOP button 7 7 7 7 7 4 RANDOM button 5 Hl LlTE SCAN button 6 PROGRAM button 7 CHECK button 8 PAUSE button 9 PLAY button 3 3 3 3 3 10 MANUAL search buttons 1 1 1 1 1 11 TRACK search buttons 4 4 4 4...

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