Pioneer PD-M427 Servise Manual
Multi compact disc player
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- Service manual (32 pages) ,
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- Operating instructions manual (28 pages)
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Service Manual
MULTI COMPACT DISC PLAYER
PD-M427
PD-M407
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
PD-M427
‡
WPWXJ
‡
RDXJ
CONTENTS
1. SAFETY INFORMATION .................................... 2
2. EXPLODED VIEWS AND PARTS LIST ............. 4
3. SCHEMATIC DIAGRAM ................................... 10
4. PCB CONNECTION DIAGRAM ....................... 14
5. PCB PARTS LIST ............................................. 18
6. ADJUSTMENT .................................................. 21
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1999
STANDBY/ON
Power Requirement
PD-M407
‡
AC220-240V
‡
AC110-127V/220-240V
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
MULTI COMPACT DISC PLAYER
DISC
TRACK
MIN
SEC
'
EJECT
REPEAT PROGRAM
DISC
TRACK/MANUAL
-DISC
MULTI CD
0
4 1
¡
¢
The voltage can be converted by
the following method.
-------
With the voltage selector
7. GENERAL INFORMATION .............................. 29
7.1 DISPLAY .................................................... 29
7.2 BLOCK DIAGRAM ...................................... 30
................................................................... 31
RANDOM
HI-LITE
ORDER NO.
STOP
PLAY/PAUSE
7
6
1-BIT¥DLC
RRV2122
DIRECT LINEAR CONVERSION
T-ZZR APR. 1999 Printed in Japan
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Table of Contents
Related Manuals for Pioneer PD-M427
Summary of Contents for Pioneer PD-M427
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Page 1: Table Of Contents
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER ELECTRONIC CORPORATION 1999 T–ZZR APR. -
Page 2: Safety Information
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. IMPORTANT THIS PIONEER APPARATUS CONTAINS LASER OF CLASS 1. SERVICING OPERATION OF THE APPARATUS S H O U L D B E D O N E B Y A S P E C I A L L Y INSTRUCTED PERSON. - Page 3 PD-M427, PD-M407...
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Page 4: Exploded Views And Parts List
PD-M427, PD-407 2. EXPLODED VIEWS AND PARTS LIST NOTES : ÷ Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. ÷ The mark found on some component parts indicates the importance of the safety factor of the part. - Page 5 (750X600X0.5) Dry Cell Battery (AAA/R03) See Contrast table (2) Caution 220V Label See Contrast table (2) (2) CONTRAST TABLE PD-M427/WPWXJ, RDXJ, PD-M407/WPWXJ and RDXJ are constructed the same except for the following: Part No. Mark PD-M427 PD-M407 Remarks Symbol and Description...
- Page 6 PD-M427, PD-407 2.2 EXTERIOR (Refer to "2.3 MULTI MECHANISM ASSY".) WPWXJ type only...
- Page 7 PNW2598 FUNCTION BOARD Assy See Contrast table (2) MOTHER BOARD Assy See Contrast table (2) (2) CONTRAST TABLE PD-M427/WPWXJ, RDXJ, PD-M407/WPWXJ and RDXJ are constructed the same except for the following: Part No. Mark PD-M427 PD-M407 Remarks Symbol and Description...
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Page 8: So That The Label Attached On
PD-M427, PD-407 2.3 MULTI MECHANISM ASSY ∗ 1 Label Fix the motor (No. 59) Mark Red Mark on the gear holder (No. 87 78 2) so that the label attached on the motor faces direction illustrated. ∗ 2 Label 12 36 *2: Fix the motor (No. - Page 9 PD-M427, PD-M407 MULTI MECHANISM ASSY PARTS LIST Mark No. Description Parts No. Mark No. Description Parts No. Carriage Base PNW2699 Motor Pulley PNW1634 D.C. Motor Assy PEA1235 Gear Holder PNW1929 (Spindle with oil) PU PWB (POLYIMDE) PNP1442 Pickup Assy PEA1335...
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Page 10: Schematic Diagram
: TRACKING SERVO LOOP : CARRIAGE SERVO LOOP : SPINDLE DRIVE : LOADING DRIVE Holder PNB1285 FUNCTION BOARD ASSY ( PWZ2769 : PD-M427/WPWXJ, RDXJ ) PD-M427/ WPWXJ ( PWZ2768 : PD-M407/WPWXJ, RDXJ ) S801 , RDXJ ONLY D801 B C D... - Page 11 STOP -22.9 -23.2 -10.5 -0.37 -0.44 4.9 -22.8 -26.4 -10.5 -10.4 PIN No. 47 48 Volta- PLAY ge(V) STOP PD-M427/WPWXJ, PD-M407/WPWXJ ONLY PD-M427/RDXJ and PD-M407/RDXJ TYPES (16.9344MHz) 1.6V 22/25 -9.2V 1.6V NJM4558D-D 1SS254 -9.2V 1.6V NJM4558D-D 22/25 1.6V PD-M427, PD-M407/...
- Page 12 PD-M427, PD-M407 ∗1 50T-JUMP: After switching to the pause mode, press Waveforms (Mother Board Assy) the manual search key. ∗2 FOCUS-IN: Press the play key without loading a disc. Note: The encircled numbers denote measuring point in the schematic diagram.
- Page 13 PD-M427, PD-M407 IC202-Pin 9: TRACK SEARCH MODE IC301-Pin 54 : PLAY MODE (1kHz) (BCK) (CADR) 2V/div 200msec/div 2V/div 500nsec/div – GND – GND IC301-Pin 50 : PLAY MODE (1kHz) IC301-Pin 27 : PLAY MODE (MDP) 2V/div 2 µsec/div (LRCK) 2V/div 10 µsec/div –...
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Page 14: Pcb Connection Diagram
PD-M427, PD-M407 4. PCB CONNECTION DIAGRAM 4.1 LOADING BOARD ASSY, SELECT BOARD ASSY, MOTOR BOARD ASSY and MECHANISM BOARD ASSY SIDE A MULTI MECHANISM ASSY (PXA1592) SERVO MECHANISM ASSY M (PXA1595) CN131 CN102 CARRIAGE MECHANISM BOARD ASSY MOTOR PICKUP ASSY... - Page 15 PD-M427, PD-M407 4.2 FUNCTION BOARD ASSY and SW BOARD ASSY SIDE A NOTE FOR PCB DIAGRAMS : 1. Part numbers in PCB diagrams match those in the schematic diagrams. 2. A comparison between the main parts of PCB and schematic diagrams is shown below.
- Page 16 PD-M427, PD-M407 4.3 MOTHER BOARD ASSY SIDE A MOTHER BOARD ASSY Q391 Q452 Q454 Q404 Q403 Q453 Q451 Q405 IC406 IC405 IC31 VR151 VR152 IC401 IC34 IC202 IC21 Q321 VR155 VR156 Q341 VR153 VR154 Q151 CN610 Q152 CN602 CN601 Q201 PNP1424–B...
- Page 17 PD-M427, PD-M407 SIDE B MOTHER BOARD ASSY IC301 IC151 IC351 PNP1424–B...
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Page 18: Pcb Parts List
PD-M427, PD-M407 5. PCB PARTS LIST NOTES : ÷ Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. ÷ The mark found on some component parts indicates the importance of the safety factor of the part. - Page 19 X341 ( 16.9344MHz ) Not used PSS1008 Not used PSS1008 X401 ( 16.9344MHz ) PSS1008 Not used PSS1008 Not used 7 PARTS LIST FOR PD-M427/WPWXJ Mark No. Description Parts No. Mark No. Description Parts No. D352 1SS254 MOTHER BOARD ASSY...
- Page 20 PD-M427, PD-M407 Mark No. Description Parts No. Mark No. Description Parts No. C315 CCCSL221J50 OTHERS C429, C430, C435, C436, C437 CCCSL390J50 C438 CCCSL390J50 CN701 FFC CONNECTOR 32P 9607S–32F C171, C175, C302, C311, C314 CEAS101M10 V701 FL INDICATOR TUBE PEL1084 C316...
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Page 21: Adjustment
PD-M427, PD-M407 6. ADJUSTMENT 6.1 PREPARATIONS 6.1.1 Jigs and Measuring Instruments CD TEST DISC Precise screwdriver screwdriver screwdriver (YEDS-7) screwdriver (small) (medium) (large) 39 kΩ 56 kΩ 0.001µF 0.001µF Dual-trace Ball point hexagon wrench Low pass filter 1 Low pass filter 2... - Page 22 PD-M427, PD-M407 6.2 ADJUSTMENT 6.2.1 How to Start/Cancel Test Mode TEST MODE : ON W107 W107 W108 W108 Short Point Short Point MOTHER BOARD ASSY MOTHER BOARD ASSY TEST MODE : PLAY TEST DISC : YEDS-7 4 / 1 ¡ / ¢...
- Page 23 PD-M427, PD-M407 6.2.3 Check and Adjustment 1. Focus Offset Adjustment Test mode DC voltage VR154 0±50mV None disc MOTHER BOARD ASSY Oscilloscope DC Mode V: 5mV/div H: 10mSec/div Player START (CN201) Prove (10:1) MOTHER BOARD ASSY 2. Grating Adjustment Turn counterclockwise from null.
- Page 24 PD-M427, PD-M407 3. Tracking Error Balance Adjustment Test mode SPDL servo CLOSE FOCUS servo CLOSE TRKG servo OPEN Innermost TEST DISC circumference VR155 (1 TRK) PLAY MOTHER BOARD ASSY Oscilloscope DC Mode V: 10mV/div Player START H: 5mSec/div Low pass filter 1...
- Page 25 PD-M427, PD-M407 5. RF Level Adjustment Test mode SPDL servo CLOSE FOCUS servo CLOSE 1.2VP-P TRKG servo CLOSE ±0.1V Innermost TEST DISC circumference VR153 (1 TRK) PLAY MOTHER BOARD ASSY Oscilloscope AC Mode V: 50mV/div H: 10mSec/div Player START (CN201)
- Page 26 PD-M427, PD-M407 7. RF Level Adjustment Check Test mode CLOSE SPDL servo FOCUS servo CLOSE TRKG servo CLOSE 1.2VP-P ±0.1V Innermost TEST DISC circumference VR153 (1 TRK) PLAY MOTHER BOARD ASSY Make adjustment if the value exceeds the specified range.
- Page 27 PD-M427, PD-M407 9. Focus Best Adjustment Test mode SPDL servo CLOSE FOCUS servo CLOSE TRKG servo CLOSE Innermost TEST DISC circumference VR153 (1 TRK) Adjust the RF level to maximum, with PLAY MOTHER BOARD ASSY the focus error voltage within ±150mV.
- Page 28 PD-M427, PD-M407 11. Focus Best Adjustment Adjust this point only if adjustment was made in item 10. Test mode SPDL servo CLOSE FOCUS servo CLOSE TRKG servo CLOSE Innermost TEST DISC circumference VR156 (1 TRK) Adjust the RF level to maximum, with PLAY the focus error voltage within ±150mV.
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Page 29: General Information
PD-M427, PD-M407 7. GENERAL INFORMATION 7.1 DISPLAY 7 PEL1084 (V701: FUNCTION BOARD ASSY) ¶ Pin Assignment ¶ Pin Connection ¶ Grid Assignment ¶ Anode Connection... -
Page 30: Block Diagram
PD-M427, PD-M407 7.2 BLOCK DIAGRAM SERVO DECODER PICKUP AUDIO CONTROLLER IC405 IC401 IC301 Assembly SIGNAL IC151 NJM4558D-D PD2026B(L) CXD2519Q CXA1782CQ WPWXJ type Only Focus Tracking IC351 IC201 PD4836A IC202 Spindle LA6520 Carriage Loading etc DISPLAY POWER SUPPLY FUNCTION KEY... -
Page 31: Panel Facilities And Specifications
PD-M427, PD-M407 8. PANEL FACILITIES AND SPECIFICATIONS 7 PANEL FACILITIES Remote sensor window MAGAZINE Display window Receive the signal from the remote control unit. STANDBY/ON insertion slot RANDOM HI-LITE PD—M427 MULTI COMPACT DISC PLAYER DISC TRACK RANDOM HI—LITE Î STANDBY/ON... -
Page 32: Specifications
............. AC 220-240 V, 50/60Hz • Remote control unit (PD-M427 only) ......1 Power consumption • Size AAA/R03 dry cell batteries (PD-M427 only) .... 2 Australian and New Zealand models ......12 W • Six-compact-disc magazine ..........1 Operating temperature ........+5°C-+35°C •...