Pioneer CDX-M2086ZBM User manual

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. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998 K-ZZU. JULY 1998 Printed in Japan
ORDER NO.
CRT2223
MULTI-COMPACT DISC PLAYER
CDX-M2086ZBM X1HWL
Se r v i c e
M a nu a l
BMW
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST.......................4
3. SCHEMATIC DIAGRAM ...........................................12
4. PCB CONNECTION DIAGRAM................................24
5. ELECTRICAL PARTS LIST ........................................30
6. ADJUSTMENT..........................................................33
7. GENERAL INFORMATION .......................................40
7.1 IC .........................................................................40
7.2 DIAGNOSIS ........................................................43
7.2.1 DISASSEMBLY .........................................43
7.2.2 TEST MODE..............................................44
7.2.3 CONNETOR FUNCTION DESCRIPTION..48
7.3 BLOCK DIAGRAM ..............................................49
8. OPERATIONS AND SPECIFICATIONS.....................50
-See the separate manual CX-652(CRT1857) for the CD mechanism description, disassembly and circuit
description.
-The CD mechanism employed in this model is one of C5 series.
VEHICLE DESTINATION PRODUCED AFTER ID No. BMW PART No. PIONEER MODEL No.
BMW 7 series WORLD 1998 65.12-8 375 537.0CDX-M2086ZBM/X1HWL

2
CDX-M2086ZBM
-CD Player Service Precautions
1. For pickup unit(Service)(CXX1235) handling, please
refer to"Disassembly"(CX-652 Service Manual
CRT1857).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).
2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
3. Please checking the grating after changing the pickup
unit.
4. Since these screws protects the mechanism during
transport, be sure to affix it when it is transported for
repair, etc.
-Transportation of multi-CD Player
Seal
After removing the transport screw,
cover the hole with the supplied seal.
Transport screw
Attach to original position before transporting the set.
A transport screw has been attached to the set in order to protect it
during transportation. After removing the transport screw, cover the
hole with the supplied seal. Be sure to remove the transport screw
Before mounting the set. The removed transport screw should be
retained in the accessory bag for use the next time the set is transported.

3
CDX-M2086ZBM
2. A “CLASS 1 LASER PRODUCT” label is affixed to the
rear of the player. 3. The triangular label is attached to the mechanism unit frame.
1. SAFETY INFORMATION
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.
1. Safety Precautions for those who Service this Unit.
• Follow the adjustment steps (see pages 31 through 37)in the service manual when servicing this unit. When check-
ing or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable results.
Caution:
1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.
2. During repair or tests, do not view laser beam for 10 seconds or longer.
4. Specifications of Laser Diode
Specifications of laser radiation fields to which human access is possible during service.
Wavelength = 785 nanometers
Radiant power = 69.7 microwatts(Through a circular aperture stop having a diameter of 80 millimeters)
0.55 microwatts(Through a circular aperture stop having a diameter of 7 millimeters)

4
CDX-M2086ZBM
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
7
6
6
7
8
5
3
9
4
1
2
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.
* 1 Pass Card CRY1122
* 2 Polyethylene Bag E36-615
3 Carton HHG3431
4 Contain Box HHL3431
5 Polyethylene Bag HEG0009
6 Protector HHP1668
7 Protector HHP1669
8 Seal CNM4918
9 Magazine Assy CXB2843
-PACKING SECTION PARTS LIST
Mark No. Description Part No.

5
CDX-M2086ZBM
2.2 EXTERIOR

6
CDX-M2086ZBM
1 Screw BMZ26P040FMC
2 Screw BMZ30P040FMC
3 Screw BMZ30P040FZK
4 Screw CBA1353
5 Spring CBH2209
6 Cord Assy CDE5367
7 Fuse(5A) CEK1005
8 Lower Case CNB2364
9 Sub Chassis CNC7110
10 Holder CNC7111
11 Seal CNM4918
12 PCB CNP4760
13 Damper CNV5465
14 Extension Unit HWX2132
15 Screw BMZ26P060FMC
16 Screw CBA1407
17 Connector(CN901) CKM1253
18 Connector(CN101) CKM1254
19 Plug(CN702) CKS1036
20 Plug(CN703) CKS1633
21 Connector(CN701) CKS2779
22 Connector(CN201) CKX1012
23 Holder CNC7112
24 Screw PPZ20P060FMC
25 Grille Assy HXB1316
26 Screw BPZ26P080FMC
27 Button CAC5546
28 Door CAT1949
29 Spring CBH1426
30 Spring CBH1983
31 Spring CBH2133
32 Shaft CLA1949
33 Shaft CLA2038
34 Spring Holder CNC3972
35 Cushion CNM5862
36 Sheet CNM6020
37 Grille CNS4895
38 Lever CNV5309
39 Stopper CNV5413
40 Chassis L Assy CXB1618
41 Chassis R Assy CXB1619
42 Frame L Assy CXB1621
43 Frame R Assy CXB1622
44 Upper Case CXB3153
45 CD Mechanism Module(C5) CXK4480
46 Clamper HEF-102
47 Screw IMS30P040FMC
48 Transistor(Q903) 2SB1185
49 Fuse Holder CKR1011
-EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.

7
CDX-M2086ZBM
2.3 CD MECHANISM MODULE

8
CDX-M2086ZBM
1 CD Core Unit CWX2118
2 Connector(CN701) CKS1968
3 Connector(CN801) CKS3484
4 Connector(CN101) CKS3486
5 Screw IMS26P040FMC
6 Pickup Unit(Service) CXX1235
7 Screw JFZ17P020FNI
8 Volume(VR801) CCW1021
9 Screw(M2x2.5) CBA1037
10 Screw(M2x2.5) CBA1041
11 Screw(M2x2.5) CBA1077
12 Screw(M2x2.5) CBA1085
13 Screw CBA1114
14 Screw CBA1166
15 Screw(M2x2) CBA1176
16 Screw CBA1250
17 Screw(M2x2) CBA1362
18 Screw CBA1387
19 Screw CBA1419
20 Washer CBF1002
21 Washer CBF1038
22 Spring CBH1822
23 Spring CBH1827
24 Spring CBH1830
25 Spring CBH1930
26 Spring CBH1948
27 Spring CBH1972
28 Spring CBH1974
29 Spring CBH2024
30 Spring CBH2091
31 Spring CBL1241
32 Spring CBL1242
33 Spring CBL1295
34 Spring CBL1314
35 Spring CBL1362
36 Spring CBL1388
37 Washer YE20FUC
38 Shaft CLA3087
39 Arm CNC6181
40 Lever CNC6194
41 Lever CNC6534
42 Arm CNC6799
* 43 Holder CNC6819
* 44 Holder CNC6827
45 Plate CNC6847
46 Holder CNC7065
47 Frame CNC7070
48 Cover CNC7074
49 Plate CNC7076
* 50 Bracket CNC7115
51 Lever CNC7715
52 Lever CNC7975
53 Lever CNC8097
54 Spacer CNM4879
* 55 Sheet CNM5020
56 Sheet CNM5118
57 PCB CNP4205
58 PCB CNP4382
59 Ball CNR1189
60 Bearing CNR1423
61 Belt CNT1053
62 Gear CNV4403
63 Gear CNV4404
64 Gear CNV4406
65 Rail(White) CNV4419
66 Rail(Black) CNV4420
67 Lever CNV4422
68 Guide CNV4597
69 Guide CNV4722
70 Holder CNV4761
71 Gear CNV4827
72 Rack CNV4828
73 Cover CNV4924
74 Holder CNV4950
75 Gear CNV4954
76 Guide CNV4982
77 Arm CNV5072
78 Arm CNV5073
79 Clamper CNV5226
80 Gear CNV5305
81 Gear CNV5306
82 Guide CNV5517
83 Speing Switch CSN1033
84 PCB Unit CWX2032
85 Motor Unit(M854)(Carriage) CXB1394
86 Motor Unit(M853)(Tray) CXB1142
87 Motor Unit(M851)(Spindle) CXB1395
88 Lever Unit CXB1256
89 Screw Unit CXB1270
90 Bearing CNR1423
Mark No. Description Part No. Mark No. Description Part No.
-CD MECHANISM MODULE SECTION PARTS LIST

9
CDX-M2086ZBM
91 Arm Unit CXB1476
92 Motor Unit CXB1847
93 Bracket CNC7067
94 Screw JFZ20P025FNI
95 Plate Unit CXB2262
96 Magazine Holder Unit CXB2287
97 Lever Unit CXB2289
98 Frame Unit CXB2290
* 99 Chassis Unit CXB2692
100 Arm Unit CXB2815
101 Damper Unit CXB2816
102 Bracket Unit CXB2962
103 Photo Transistor(Q851) PT4800
104 Switch(S853,S855) CSN1012
105 Chassis Unit CXB3313
106 Screw JFZ20P025FNI
107 Screw JGZ17P022FZK
108 Washer YE15FUC
109 LED(D851) CN504-2
Note: As for brown and orange lead wires, be sure to use the cord kit (CDK1033).
(Shorter or longer wires may lead to malfunctions.)
Mark No. Description Part No.

10
CDX-M2086ZBM
2.4 MAGAZINE ASSY
1 Magazine Assy CXB2843
2 Tray CNV5341
-MAGAZINE ASSY SECTION PARTS LIST
Mark No. Description Part No.

11
CDX-M2086ZBM

12
CDX-M2086ZBM
1234
1234
D
C
B
A
A
B
CD MECHANISM MODULE
3. SCHEMATIC DIAGRAM
3.1 EXTENSION UNIT
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL
PARTS LIST”.
G

13
CDX-M2086ZBM
5678
5678
D
C
B
A
A
CTH1129

14
CDX-M2086ZBM
1234
1234
D
C
B
A
CCP1338
CCW1021
S851,S852:CSN1033
B
C
B-a
D
E
3.2 CD MECHANISM MODULE(GUIDE PAGE)
B-a B-b
B-a B-b
B-b
B-a
Large size
SCH diagram
Guide page
Detailed page
F

15
CDX-M2086ZBM
5678
5678
D
C
B
A
B-b
B

16
CDX-M2086ZBM
1234
1234
D
C
B
A
CCP1338
CCW1021
B-a
B-a B-b

17
CDX-M2086ZBM
5678
5678
D
C
B
A
CCP1338
CCW1021
S851,S852:CSN1033
B-a
B-a B-b
C
D
E
F

18
CDX-M2086ZBM
1234
1234
D
C
B
A
B-a
B-a B-b

19
CDX-M2086ZBM
5678
567
D
C
B
A
B-b
B-a B-b
8

20
CDX-M2086ZBM
-Waveforms
1 RFO 0.5V/div. 0.5µs/div.
Normal mode: play 1 CH1: RFO 1V/div.
2 CH2: MIRR 5V/div.
Test mode: Tracking open
0.5ms/div. 1 CH1: RFO 1V/div.
2 CH2: MIRR 5V/div.
Normal mode: The defect part
passes 800µm
0.5ms/div
3 CH1: FD 0.5V/div.
4 CH2: FOP 2V/div.
Test mode: No disc, Focus close
0.2s/div. 3 CH1: FD 0.5V/div.
5 CH2: FOK 2V/div.
Normal mode: Focus close
0.2s/div. 6 CH1: FEY 0.5V/div.
7 CH2: XSI 2V/div.
Normal mode: Focus close
1ms/div.
REFO →
8 CH1: TEY 0.5V/div.
9 CH2: TD 0.5V/div.
Test mode: 32 tracks jump (FWD)
0.5ms/div. 8 CH1: TEY 0.5V/div.
9 CH2: TD 0.5V/div.
Test mode: Single jump (FWD)
0.5ms/div. 8 CH1: TEY 0.5V/div.
9 CH2: TD 0.5V/div.
Test mode: 100 tracks jump (FWD)
5ms/div.
6 CH1: FEY 0.1V/div.
3 CH2: FD 0.2V/div.
Normal mode: Play
20ms/div. 3 CH1: FD 0.5V/div.
10 CH2: MDYA 1V/div.
Normal mode: Focus close (12cm)
0.5s/div. 3 CH1: FD 0.5V/div.
10 CH2: MDYA 1V/div.
Normal mode: Focus close (8cm)
0.5s/div.
GND →GND →
REFO →
REFO →
REFO →
REFO →
GND →
REFO →
REFO →
GND →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
Note:1. The encircled numbers denote measuring pointes in the circuit diagram.
2. Reference voltage
REFO:2.5V