Pioneer CDX-FM653 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. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1999 K-ZZY. FEB. 1999 Printed in Japan
ORDER NO.
CRT2321
UNIVERSAL MULTI-CD SYSTEM
CDX-FM653 X1N/UC
Service
Manual
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................4
3. SCHEMATIC DIAGRAM ...........................................12
4. PCB CONNECTION DIAGRAM ................................24
5. ELECTRICAL PARTS LIST ........................................32
6. ADJUSTMENT..........................................................36
7. GENERAL INFORMATION .......................................43
7.1 PARTS .................................................................43
7.1.1 IC................................................................43
7.1.2 DISPLAY....................................................49
7.2 DIAGNOSIS ........................................................50
7.2.1 DISASSEMBLY .........................................50
7.2.2 TEST MODE..............................................52
7.3 BLOCK DIAGRAM ..............................................58
8. OPERATIONS AND SPECIFICATIONS.....................60
-See the separate manual CX-892(CRT2356) for the CD mechanism description, disassembly and circuit
description.
-The CD mechanism employed in this model is one of C7 series.

2
CDX-FM653
-CD Player Service Precautions
1. For pickup unit(CXX1285) handling, please refer
to"Disassembly"(See page 50). 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 pick-
up unit (See page 37).
4 Since these screws protects the mechanism during
transport, be sure to affix it when it is transported for
repair, etc.
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
A transport screw has been attached to the
set in order to protect it during transporta-
tion. 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.
Seal
After removing the trans-
port screw, cover the hole
with the supplied seal.
Transport screw
Attach to the original position before
transporting the set.

3
CDX-FM653

4
CDX-FM653
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
26
33
27
28
17
24
4
8
6
11
10
7
9
32
31
25
16 15
21
22
20
13
16
2
14
19
23
12
3
5
1
29
30
29
36
30
40
42
41
37
42
34
43

5
CDX-FM653
- Owner’s Manual
Part No. Language
CRD2885 English, French, Spanish
- Installation Manual
Part No. Language
CRD2886 English, French, Spanish
1 Accessory Assy CEA2497
2 Spring CBH-865
3 Cord CDE4289
4 Cord CDE5812
5 Cord CDE5008
6 Screw Assy CEA1962
7 Screw CBA1295
* 8 Polyethylene Sheet CNM5158
9 Screw HMB60P500FMC
10 Screw HMF40P080FZK
11 Nut NF60FMC
12 Screw Assy CEA1965
* 13 Polyethylene Bag CEG-127
14 Screw IMS30P050FZK
15 Clamper CEF1010
* 16 Polyethylene Bag CEG-158
17 Polyethylene Bag CEG1185
18 •••••
19 Bracket CNC8061
20 Cushion CNM3182
21 Fastener(Soft) CNM3872
22 Fastener(Rough) CNM4041
23 Panel CNS5428
* 24 Polyethylene Bag CEG1099
25 Polyethylene Bag CEG1185
26 Carton CHG3727
27 Sub Carton CHG3735
28 Contain Box CHL3727
29 Protector CHP2133
30 Protector CHP2135
31 Seal CNM5599
32-1 Installation Manual CRD2886
32-2 Owner’s Manual CRD2885
* 32-3 •••••
33 Antenna Select Assy CWM6445
34 Display Assy CXB3249
35 •••••
36 Magazine Assy CXB4027
37 Angle Assy CXB3591
38 •••••
39 •••••
* 40 Caution Card CRP1195
41 Air Cushioned Bag CEG1055
* 42 Caution Card CRP1090
43 Cover CEG1062
Mark No. Description Part No. Mark No. Description Part No.
-PACKING SECTION PARTS LIST
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.

6
CDX-FM653
2.2 EXTERIOR

7
CDX-FM653
1 Screw BMZ26P040FMC
2 Screw BMZ30P040FZK
3 Button CAC4632
4 Screw CBA1460
5 Spring CBH1859
6 Connector CDE5525
7 Connector CDE5833
8 Cord CDE4289
9 Cord CDE5812
10 Resistor RS1/2PMF102J
11 Cap CNS1472
12 Cord CDE5008
13 Upper Case CNB2394
14 Arm CNC8058
15 Insulator CNM6074
16 Panel CNS5216
17 Damper CNV5591
18 Antenna Select Assy CWM6445
19 Cord CDE4087
20 Antenna Cable CDH1207
21 Chassis CNA1555
22 Case CNB1764
23 Antenna Select Unit CWX2200
24 Plug(CN502) CKS1222
25 Plug(CN501) CKS2812
26 Antenna Jack(CN503) CKX1006
27 Extension Unit CWX2312
28 Screw BMZ26P060FMC
29 Jack(CN401) CKN1022
30 Plug(CN801) CKS-460
31 Connector(CN802) CKS3195
32 Connector(CN201) CKS4019
33 •••••
34 Holder CNC8056
35 Holder CNC8070
36 Display Assy CXB3249
37 Screw BPZ20P100FZK
38 Button CAC5887
39 Cord CDE5834
40 Transistor(Q801) 2SD2396
41 Cover CNS5223
42 LCD(LCD901) CAW1514
43 Holder CNC8062
44 Lighting Conductor CNV5594
45 Rubber CNV5599
46 Grille Unit CXB3825
47 •••••
48 •••••
49 Lower Case Unit CXB3395
50 Grille Unit CXB4378
51 Screw BPZ20P080FMC
52 Sheet CAH1682
53 Door CAT2013
54 Door CAT2014
55 Holder CNC8139
56 Grille CNS5285
57 Lever CNS5391
58 CD Mechanism Module CXK4811
59 Screw IMS20P035FZK
60 Screw IMS26P040FMC
61 Angle Assy CXB3591
62 Screw HMF40P080FZK
63 •••••
64 Seal CNM5599
65 Cushion CNM3182
66 Panel CNS5428
67 Bracket CNC8061
68 Screw IMS30P050FZK
* 69 Caution Card CRP1195
-EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.

8
CDX-FM653
2.3 CD MECHANISM MODULE

9
CDX-FM653
1 Connector CDE6069
2 CD Core Unit (C7) CWX2279
3 Connector(CN701) CKS1963
4 Connector(CN101) CKS2272
5 Screw BMZ20P025FMC
6 Screw CBA1037
7 Screw CBA1041
8 Screw CBA1176
9 Screw CBA1362
10 Screw CBA1387
11 Screw CBA1470
12 Screw CBA1476
13 Screw CBA1486
14 Washer CBF1038
15 Spring CBH2172
16 Spring CBH2173
17 Spring CBH2174
18 Spring CBH2175
19 Spring CBH2285
20 Spring CBH2177
21 Spring CBH2178
22 Spring CBL1390
23 Spring CBL1392
24 Short Pin CBL1239
25 Volume(VR801) CCW1023
26 •••••
27 Shaft CLA3304
28 Arm CNC7901
29 Lever CNC7902
30 Lever CNC7904
31 Lever CNC7905
32 Lever CNC7906
33 Arm CNC7908
34 Arm CNC7909
35 Holder CNC7911
36 Holder CNC7912
37 Frame CNC7917
38 Frame CNC7918
39 Lever CNC7919
40 Stopper CNC7920
41 Frame CNC7921
42 Bracket CNC8354
43 Plate CNC8375
44 Cover CNC8434
45 Sheet CNM6009
46 Spacer CNM6146
47 Sheet CNM6296
48 PCB CNP5227
49 PCB CNP5228
50 Ball CNR1189
51 Gear CNR1531
52 Belt CNT1086
53 Gear CNV5472
54 Gear CNV5473
55 Rail CNV5474
56 Lever CNV5475
57 Gear CNV5477
58 Arm CNV5478
59 Holder CNV5480
60 Guide CNV5481
61 Guide CNV5482
62 Holder CNV5483
63 Holder CNV5484
64 Clamper CNV5485
65 Gear CNV5486
66 Gear CNV5562
67 Holder CNV5563
68 Lighting Conductor CNV5785
69 Mechanism PCB CWX2303
70 Connector(CN801) CKS1965
71 Connector(CN802) CKS3486
72 Damper Unit CXA7714
73 Chassis Unit CXB2850
74 •••••
75 Chassis Unit CXB2851
76 Magazine Holder Unit CXB2853
77 Frame Unit CXB4426
78 Arm Unit CXB2855
79 Screw Unit CXB2857
80 •••••
81 Motor Unit(M851)(SPINDLE) CXB3003
82 Motor Unit(M854)(CARRIAGE) CXB3004
83 Screw JFZ20P025FMC
84 Motor Unit(M853)(TRAY) CXB4421
85 Screw JFZ20P025FMC
86 Motor Unit(M852)(ELV) CXB3006
87 Screw JFZ20P025FMC
88 Lever Unit CXB3938
89 •••••
90 Gear Unit CXB4338
Mark No. Description Part No. Mark No. Description Part No.
-CD MECHANISM MODULE SECTION PARTS LIST

10
CDX-FM653
91 Screw JGZ17P025FZK
92 Pickup Unit(Service) CXX1285
93 •••••
94 •••••
95 Screw IMS26P040FMC
96 Screw JFZ20P025FNI
97 Photo-transistor(Q851) PT4800
98 Spring Switch(S851,S853) CSN1051
99 LED(D851) CN504-2
100 Spring Switch(S852) CSN1052
Mark No. Description Part No.

11
CDX-FM653
2.4 MAGAZINE ASSY
1 Magazine Assy CXB4027
2 Label CRW1395
3 Tray CNV5341
-MAGAZINE ASSY SECTION PARTS LIST
Mark No. Description Part No.

12
CDX-FM653
1234
1234
D
C
B
A
3. SCHEMATIC DIAGRAM
3.1 OVERALL CONNECTION DIAGRAM
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL
PARTS LIST”.
A
C
D
E
M853
CXB3005
M852
CXB3006
M851
CXB3003
M854
CXB3004
PICKUP UNIT(SERVICE)
CXX1285
CSN1051
CSN1051
CSN1052
CN504-2
PT4800
10k
1k(B)
C
MECHANISM
PCB
D
SWITCH PCB
E
MOTOR PCB
MOT
4CH SERVO DRIV
RF-A
DSP
112
68
13
21
1
4
CN801
CN802
1/2

13
CDX-FM653
5678
5678
D
C
B
A
ACD CORE UNIT
A2/2
MOTOR DRIVER
DRIVER
RF-AMP,SERVO,
DSP,DAC
18
7
2
5
19 20
15
17
16
12
3
9
11
10
A
1/2

14
CDX-FM653
1234
1234
A1/2
SYSTEM CONTROLLER
LOUT
AAGND
ROUT
GND
VD
A
2/2
D
C
B
A

15
CDX-FM653
5678
5678
D
C
B
A
A
2/2
B
CN201
EXTENSION UNIT

16
CDX-FM653
1RFI 0.5V/div. 0.5µs/div.
Normal mode: play
1CH1: RFI 1V/div.
2CH2: MIRR 5V/div.
Test mode: Tracking open
0.5ms/div. 1CH1: RFI 1V/div.
2CH2: MIRR 5V/div.
Normal mode: The defect part
passes 800µm
0.5ms/div.
3CH1: FD 0.5V/div.
4CH2: FOR 2V/div.
Test mode: No disc, Focus close
0.2s/div. 3CH1: FD 0.5V/div.
5CH2: FOK 2V/div.
Normal mode: Focus close
0.2s/div. 6CH1: FE 0.5V/div.
7CH2: XSI 2V/div.
Normal mode: Focus close
1ms/div.
REFO →
8CH1: TE 0.5V/div.
9CH2: TD 0.5V/div.
Test mode: 32 tracks jump (REV)
0.5ms/div. 8CH1: TE 0.5V/div.
9CH2: TD 0.5V/div.
Test mode: Single jump (REV)
0.5ms/div. 8CH1: TE 0.5V/div.
9CH2: TD 0.5V/div.
Test mode: 100 tracks jump (REV)
5ms/div.
6CH1: FE 0.1V/div.
3CH2: FD 0.2V/div.
Normal mode: Play
20ms/div. 3CH1: FD 0.5V/div.
0CH2: MD 1V/div.
Normal mode: Focus close (12cm)
0.5s/div. 3CH1: FD 0.5V/div.
0CH2: MD 1V/div.
Normal mode: Focus close (8cm)
0.5s/div.
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
GND →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
-Waveforms
Note:1. The encircled numbers denote measuring pointes in the circuit diagram.
2. Reference voltage
REFO:2.5V
REFO →
REFO →
REFO →
REFO →

17
CDX-FM653
8CH1: TE 0.2V/div.
9CH2: TD 0.2V/div.
Normal mode: play
8CH1: TE 0.5V/div.
!CH2: SD 0.5V/div.
TEST mode:100Tracks jump(FWD)
5ms/div. 0MD 0.5V/div. 0.1s/div.
Normal mode: Play (12cm)
0MD 1V/div. 10ms/div.
Long Search (12cm)
@EFM 1V/div. 5µs/div.
Normal mode: Play
8CH1: TE 1V/div.
#CH2: TEC 1V/div.
Test mode: Focus close
Tracking open
2ms/div.
8CH1: TE 0.5V/div.
6CH2: FE 0.5V/div.
Normal mode:
AGC after focus close
0.2s/div.
20ms/div.
%SCKO 2V/div. 1µs/div.
Normal mode: Play
^DOUT 2V/div. 10µs/div.
Normal mode: Play
&LRCK 2V/div. 20µs/div.
Normal mode: Play
*VD 5V/div. 50ms/div.
Normal mode: No disc
GND →
REFO →
REFO →
GND →
REFO →
REFO →
REFO →
REFO →REFO →
REFO →
REFO →
REFO →
REFO →
GND →
REFO →
GND →
REFO →
GND →
REFO →

18
CDX-FM653
(CH1: R OUT 2V/div.
)CH2: L OUT 2V/div.
Normal mode: Play (1kHz 0dB)
6CH1: FE 0.2V/div.
3CH2: FD 0.5V/div.
Normal mode: During AGC
1ms/div. 8CH1: TE 0.2V/div.
9CH2: TD 0.5V/div.
Normal mode: During AGC
1CH1: RFI 1V/div.
⁄CH2: HOLD 5V/div.
Normal mode: The defect part passes
800µm(B.D)
500µs/div. 1ms/div.
0.5ms/div. 3CH1: FD 1V/div.
⁄CH2: HOLD 5V/div.
Normal mode: The defect part passes
800µm(B.D)
0.5ms/div. 9CH1: TD 0.1V/div.
⁄CH2: HOLD 5V/div.
Normal mode: The defect part passes
800µm(B.D)
0.5ms/div.
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →REFO →
REFO →
REFO →
REFO →

19
CDX-FM653

20
CDX-FM653
1234
1234
D
C
B
A
B
3.2 EXTENSION UNIT
7.2MHz
38KHz
CN901
G
A
CN701
VD REGULATOR
5V REG.
3V REG.
6V REG.
19kHz
LPF ADD ON MODE
LOOP FILTER
CCP1233
F