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Service
Manual ORDER NO.
CRT2382

SPECTRUM ANALYZER MD PLAYER



MDS-P7000 UC




NOTE:
- US and foreign patents licensed from Dolby Laboratories Licensing Corporation.




CONTENTS
1. SAFETY INFORMATION ............................................2 7. GENERAL INFORMATION .......................................40
2. EXPLODED VIEWS AND PARTS LIST .......................2 7.1 DIAGNOSIS ........................................................40
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10 7.1.1 TEST MODE ..............................................40
4. PCB CONNECTION DIAGRAM ................................24 7.1.2 DISASSEMBLY .........................................61
5. ELECTRICAL PARTS LIST ........................................34 7.2 PARTS .................................................................63
6. ADJUSTMENT..........................................................39 7.2.1 IC................................................................63
7.2.2 DISPLAY ....................................................70
8. OPERATIONS AND SPECIFICATIONS.....................71


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

C PIONEER ELECTRONIC CORPORATION 1999 K-ZZS MAR.1999 Printed in Japan
MDS-P7000



1. SAFETY INFORMATION

CAUTION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
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.

WARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65


2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING

10 6
4
12
11 8
9 7 15


14
5
16

13
3
1
20


17
2



19




18

2
MDS-P7000



NOTE:
- Parts marked by "*" are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to mark on the product are used for disassembly.

- PACKING SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.
* 1-1 Card ARY1048 12 Screw TRZ50P080FMC
1-2 Owner's Manual CRB1547 * 13 Polyethylene Bag CEG-158
(English) 14 Handle CNC5395
1-3 Installation Manual CRB1548 15 Strap CNF-111
(English) 16 Bush CNV1009

2 Protector CHP2175 17 Polyethylene Bag CEG1173
3 Cord Assy CDE6036 18 Carton CHG3809
4 Accessory Assy CEA1918 19 Contain Box CHL3809
5 Spring CBH-865 20 Protector CHP2174
6 Screw Assy CEA1924

7 Screw CBA-102
8 Screw CBA1284
* 9 Polyethylene Sheet CNM4338
10 Screw CRZ50P090FMC
11 Nut NF50FMC




3
MDS-P7000



2.2 EXTERIOR




4
MDS-P7000



- EXTERIOR SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.
1 Screw BSZ26P050FMC 31 Keyboard Unit CWM6451
2 Cord Assy CDE6036 32 LCD(LCD901) CAW1534
3 Holder CNC6798 33 Connector(CN901) CKS2762
4 Cap CNS1472 34 Holder CNC8452
5 Resistor RS1/2P102JL 35 Sheet CNM6181

6 Connector CDE5449 36 Sheet CNM6189
7 Case CNB2104 37 Lighting Conductor CNV5728
8 Screw BSZ30P060FMC 38 Connector CNV5732
9 Cord Assy CDE6037 39 Grille Unit CXB4233
10 Insulator CNM5027 40 MD Mechanism Module CXB3584

11 Audio Control Unit CWM6669 41 Transistor(Q201) 2SD2396
12 Screw ASZ26P080FMC 42 Transistor(Q854) 2SD1189
13 Screw BSZ26P080FMC 43 Panel CNS5148
14 Plug(CN801) CKS-462
15 Plug(CN351) CKS1044

* 16 Connector(CN201) CKS2221
17 Connector(CN601) CKS2243
18 Connector(CN352) CKS3410
19 Holder CNC6834
20 Holder CNC7254

21 Chassis Unit CXB4295
22 Screw BPZ20P060FMC
23 Button(DISPLAY) CAC6158
24 Button(EJECT) CAC6129
25 Door CAT1839

26 Spring CBH1953
27 Connector CDE5262
28 Holder CNC8297
29 Lighting Conductor CNV5767
30 Lighting Conductor CNV5768




5
MDS-P7000

2.3 MD MECHANISM MODULE(1)




6
MDS-P7000



- MD MECHANISM MODULE(1) SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.
1-100