CDXFM-1257
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.
CRT2320
UNIVERSAL MULTI-CD SYSTEM
CDX-FM1259 X1N/UC
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................3
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-938(CRT2357) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of C8 series.
CDX-FM1259/X1N/UC
CDX-FM1257 X1N/UC,ES
2
CDX-FM1259,FM1257
- 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 connector is plugged or unplugged.
3. Please checking the grating after changing the pickup 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
1.1 CDX-FM1259/X1N/UC,CDX-FM1257/X1N/UC
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.
W
ARNING
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 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.
Seal
After removing the transport screw, cover the hole
with the supplied seal.
Transport screw
Attach to the original position before
transporting the set.
3
CDX-FM1259,FM1257
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
29
30
29
36
33
27
28
17
24
30
4
37
8
6
11
10
7
9
32
31
25
18
16
15
21
22
43
20
13
16
2
14
19
23
12
3
5
1
40
41
42
35
34
26
4
CDX-FM1259,FM1257
Part No.
Mark No. Description CDX-FM1259/X1N/UC CDX-FM1257/X1N/UC CDX-FM1257/X1N/ES
1 Accessory Assy CEA2494 CEA2494 CEA2495
2 Spring CBH-865 CBH-865 CBH-865
3 Cord CDE4289 CDE4289 CDE4289
4 Cord CDE5812 CDE5812 CDE5812
5 Cord CDE5814 CDE5814 CDE5814
6 Screw Assy CEA1962 CEA1962 CEA1962
7 Screw CBA1295 CBA1295 CBA1295
* 8 Polyethylene Sheet CNM5158 CNM5158 CNM5158
9 Screw HMB60P500FMC HMB60P500FMC HMB60P500FMC
10 Screw HMF40P080FZK HMF40P080FZK HMF40P080FZK
11 Nut NF60FMC NF60FMC NF60FMC
12 Screw Assy CEA1965 CEA1965 CEA1965
* 13 Polyethylene Bag CEG-127 CEG-127 CEG-127
14 Screw IMS30P050FZK IMS30P050FZK IMS30P050FZK
15 Clamper CEF1010 CEF1010 CEF1010
* 16 Polyethylene Bag CEG-158 CEG-158 CEG-158
17 Polyethylene Bag CEG1185 CEG1185 *E36-622
18 Battery CEX1030 CEX1030 CEX1030
19 Bracket CNC8061 CNC8061 CNC8061
20 Cushion CNM3182 CNM3182 CNM3182
21 Fastener(Soft) CNM3872 CNM3872 CNM3872
22 Fastener(Rough) CNM4041 CNM4041 CNM4041
23 Panel CNS5428 CNS5428 CNS5428
* 24 Polyethylene Bag CEG1099 CEG1099 CEG1099
25 Polyethylene Bag CEG1174 CEG1174 CEG1026
26 Carton CHG3721 CHG3720 CHG3722
27 Sub Carton CHG3729 CHG3728 CHG3730
28 Contain Box CHL3721 CHL3720 CHL3722
29 Protector CHP2136 CHP2136 CHP2136
30 Protector CHP2137 CHP2137 CHP2137
31 Seal CNM5599 CNM5599 CNM5599
32-1 Installation Manual CRD2874 CRD2874 CRD2877
32-2 Owner’s Manual CRD2873 CRD2875 CRD2876
* 32-3 Warranty Card CRY1070 Not used Not used
* 32-4 Caution Card CRP1205 CRP1205 CRP1205
33 Antenna Select Assy CWM6445 CWM6445 CWM6445
34 Display Assy CXB3242 CXB3241 CXB3241
35 Remote Control Assy CXB3262 CXB3261 CXB3261
36 Magazine Assy CXB4028 CXB4028 CXB4028
37 Angle Assy CXB3589 CXB3589 CXB3589
- 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.
5
CDX-FM1259,FM1257
- Owner’s Manual
Model Part No. Language
CDX-FM1259/X1N/UC CRD2873 English, French
CDX-FM1257/X1N/UC CRD2875 English, French
CDX-FM1257/X1N/ES CRD2876 English, Spanish, Portuguese(B), Arabic
- Installation Manual
Model Part No. Language
CDX-FM1259/X1N/UC CRD2874 English, French
CDX-FM1257/X1N/UC CRD2874 English, French
CDX-FM1257/X1N/ES CRD2877 English, Spanish, Portuguese(B), Arabic
Part No.
Mark No. Description CDX-FM1259/X1N/UC CDX-FM1257/X1N/UC CDX-FM1257/X1N/ES
38 •••••
39 •••••
* 40 Caution Card CRP1090 CRP1090 CRP1090
* 41 Caution Card CRP1196 CRP1196 CRP1196
42 Air Cushioned Bag CEG1055 CEG1055 CEG1055
43 Cover CEG1062 CEG1062 CEG1062
6
CDX-FM1259,FM1257
2.2 EXTERIOR
7
CDX-FM1259,FM1257
1 Screw BMZ26P040FMC
2 Screw BMZ30P040FZK
3 Button CAC4632
4 Screw CBA1353
5 Spring CBH1862
6 Connector CDE5525
7 Connector CDE5833
8 Cord CDE4289
9 Cord CDE5812
10 Resistor RS1/2PMF102J
11 Cap CNS1472
12 Cord CDE5814
13 Upper Case CNB2393
14 Arm CNC8058
15 Insulator CNM6074
16 Panel CNS5218
17 Damper CNV5227
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 CWX2304
28 Screw BMZ26P060FMC
29 Jack(CN401) CKN1022
30 Plug(CN801) CKS-460
31 Connector(CN802) CKS3195
32 Connector(CN201) CKS4019
33 Connector(CN803) CKS3407
34 Holder CNC8060
35 Holder CNC8069
36 Display Assy
See Contrast table(2)
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
See Contrast table(2)
47 Remote Control Assy See Contrast table(2)
48 Cover CNS4948
49 Lower Case Unit CXB3398
50 Grille Unit
See Contrast table(2)
51 Screw BPZ20P080FMC
52 Sheet
See Contrast table(2)
53 Door CAT2052
54 Door CAT2053
55 Holder CNC8141
56 Grille
See Contrast table(2)
57 Lever CNS5394
58 CD Mechanism Module
See Contrast table(2)
59 Screw IMS20P035FZK
60 Screw IMS26P040FMC
61 Angle Assy CXB3589
62 Screw HMF40P080FZK
63 IC(IC902) TSOP1840SB1
64 Seal CNM5599
65 Cushion CNM3182
66 Panel CNS5428
67 Bracket CNC8061
68 Screw IMS30P050FZK
* 69 Caution Card CRP1196
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
Part No.
Mark No. Symbol and Description CDX-FM1259/X1N/UC CDX-FM1257/X1N/UC CDX-FM1257/X1N/ES
36 Display Assy CXB3242 CXB3241 CXB3241
46 Grille Unit CXB3821 CXB3820 CXB3820
47 Remote Control Assy CXB3262 CXB3261 CXB3261
50 Grille Unit CXB4382 CXB4381 CXB4381
52 Sheet CAH1685 CAH1682 CAH1682
56 Grille CNS5226 CNS5306 CNS5306
58 CD Mechanism Module CXK4916 CXK4915 CXK4915
(2) CONTRAST TABLE
CDX-FM1259/X1N/UC, CDX-FM1257/X1N/UC and CDX-FM1257/X1N/ES are constructed the same except
for the following:
8
CDX-FM1259,FM1257
2.3 CD MECHANISM MODULE
9
CDX-FM1259,FM1257
1 Connector CDE6069
2 CD Core Unit(C8)
See Contrast table(2)
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 CBH1867
16 Spring CBH2172
17 Spring CBH2173
18 Spring CBH2174
19 Spring CBH2175
20 Spring CBH2177
21 Spring CBH2178
22 Spring CBH2179
23 Spring CBL1390
24 Spring CBL1392
25 Spring CBL1404
26 Short Pin CBL1239
27 Volume(VR801) CCW1024
28 •••••
29 Shaft CLA3304
30 Arm CNC7901
31 Lever CNC7905
32 Lever CNC7906
33 Arm CNC7908
34 Arm CNC7909
35 Holder CNC7911
36 Holder CNC7912
37 Lever CNC7919
38 Stopper CNC7920
39 Frame CNC7921
40 Lever CNC7922
41 Bracket CNC7923
42 Lever CNC7924
43 Frame CNC7927
44 Frame CNC7928
45 Bracket CNC8355
46 Plate CNC8375
47 Cover CNC8434
48 Sheet CNM6009
49 Spacer CNM6146
50 Sheet CNM6296
51 PCB CNP5227
52 PCB CNP5228
53 Ball CNR1189
54 Gear CNR1531
55 Belt CNT1086
56 Gear CNV5472
57 Gear CNV5473
58 Rail CNV5474
59 Lever CNV5475
60 Gear CNV5477
61 Arm CNV5478
62 Holder CNV5480
63 Guide CNV5481
64 Guide CNV5482
65 Holder CNV5483
66 Holder CNV5484
67 Clamper CNV5485
68 Gear CNV5486
69 Gear CNV5562
70 Holder CNV5563
71 Stopper CNV5564
72 Lighting Conductor CNV5785
73 Mechanism PCB CWX2303
74 Connector(CN801) CKS1965
75 Connector(CN802) CKS3486
76 Damper Unit CXA7159
77 Chassis Unit CXB2850
78 •••••
79 Chassis Unit CXB2851
80 Arm Unit CXB2855
81 Screw Unit CXB2857
82 •••••
83 Frame Unit CXB4427
84 Magazine Holder Unit CXB2859
85
Motor Unit(M851)(SPINDLE) CXB3003
86
Motor Unit(M854)(CARRIAGE) CXB3004
87 Screw JFZ20P025FMC
88 Motor Unit(M853)(TRAY) CXB4421
89 Screw JFZ20P025FMC
90 Motor Unit(M852)(ELV) CXB3006
Mark No. Description Part No. Mark No. Description Part No.
(1) CD MECHANISM MODULE SECTION PARTS LIST
10
CDX-FM1259,FM1257
91 Screw JFZ20P025FMC
92 Lever Unit CXB3938
93 •••••
94 Gear Unit CXB4338
95 Screw JGZ17P025FZK
96 Pickup Unit(Service) CXX1285
97 •••••
98 •••••
99 Screw IMS26P040FMC
100 Screw JFZ20P025FNI
101 Photo-transistor(Q851) PT4800
102
Spring Switch(S851,S853) CSN1051
103 LED(D851) CN504-2
104 Spring Switch(S852) CSN1052
Mark No. Description Part No.
(2) CONTRAST TABLE
CDX-FM1259/X1N/UC, CDX-FM1257/X1N/UC and CDX-FM1257/X1N/ES are constructed the same except
for the following:
Part No.
Mark No. Symbol and Description CDX-FM1259/X1N/UC CDX-FM1257/X1N/UC CDX-FM1257/X1N/ES
2 CD Core Unit(C8) CWX2276 CWX2275 CWX2275
11
CDX-FM1259,FM1257
2.4 MAGAZINE ASSY
1 Magazine Assy CXB4028
2 Tray CNV5341
3 Label CRW1396
- MAGAZINE ASSY SECTION PARTS LIST
Mark No. Description Part No.
12
CDX-FM1259,FM1257
1
23
4
1234
D
C
B
A
C
D
E
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
1/2
M853
CXB3005
M852
CXB3006
M851
CXB3003
M854
CXB3004
PICKUP UNIT(SERVICE)
CXX1285
CSN1051
CSN1051
CSN1052
CN504-2
PT4800
10k
680(B)
C
MECHANISM
PCB
D
SWITCH PCB
E
MOTOR PCB
MOT
4CH SERVO DRIV
RF-A
DSP
1
12
6
8
13
21
10
4
CN801
CN802
13
CDX-FM1259,FM1257
5
6
78
5
6
78
D
C
B
A
A
1/2
A
CD CORE UNIT
A
2/2
MOTOR DRIVER
DRIVER
RF-AMP,SERVO,
DSP,DAC
18
7
2
5
19 20
15
17
16
3
9
11
10
CDX-FM1259/X1N/UC
CDX-FM1257/X1N/UC,ES
14
CDX-FM1259,FM1257
1
23
4
1234
D
C
B
A
A
2/2
A
1/2
SYSTEM CONTROLLER
LOUT
AAGND
ROUT
GND
VD
FM1259
FM1257
15
CDX-FM1259,FM1257
5
6
78
5
6
78
D
C
B
A
A
2/2
GGC1257
(SRM2B256SLTMX70)
B
CN201
SRAM
IP-BUS DRIVER
16
CDX-FM1259,FM1257
1 RFI 0.5V/div. 0.5µs/div.
Normal mode: play
1 CH1: RFI 1V/div.
2 CH2: MIRR 5V/div.
Test mode: Tracking open
0.5ms/div.
1 CH1: RFI 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: FOR 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: FE 0.5V/div.
7 CH2: XSI 2V/div.
Normal mode: Focus close
1ms/div.
REFO
→
8 CH1: TE 0.5V/div.
9 CH2: TD 0.5V/div.
Test mode: 32 tracks jump (REV)
0.5ms/div.
8 CH1: TE 0.5V/div.
9 CH2: TD 0.5V/div.
Test mode: Single jump (REV)
0.5ms/div.
8 CH1: TE 0.5V/div.
9 CH2: TD 0.5V/div.
Test mode: 100 tracks jump (REV)
5ms/div.
6 CH1: FE 0.1V/div.
3 CH2: FD 0.2V/div.
Normal mode: Play
20ms/div.
3 CH1: FD 0.5V/div.
0 CH2: MD 1V/div.
Normal mode: Focus close (12cm)
0.5s/div.
3 CH1: FD 0.5V/div.
0 CH2: 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-FM1259,FM1257
8 CH1: TE 0.2V/div.
9 CH2: TD 0.2V/div.
Normal mode: play
8 CH1: TE 0.5V/div.
! CH2: SD 0.5V/div.
TEST mode:100Tracks jump(FWD)
5ms/div.
0 MD 0.5V/div. 0.1s/div.
Normal mode: Play (12cm)
0 MD 1V/div. 10ms/div.
Long Search (12cm)
@ EFM 1V/div. 5µs/div.
Normal mode: Play
8 CH1: TE 1V/div.
# CH2: TEC 1V/div.
Test mode: Focus close
Tracking open
2ms/div.
8 CH1: TE 0.5V/div.
6 CH2: 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-FM1259,FM1257
( CH1: R OUT 2V/div.
) CH2: L OUT 2V/div.
Normal mode: Play (1kHz 0dB)
6 CH1: FE 0.2V/div.
3 CH2: FD 0.5V/div.
Normal mode: During AGC
1ms/div.
8 CH1: TE 0.2V/div.
9 CH2: TD 0.5V/div.
Normal mode: During AGC
1 CH1: RFI 1V/div.
⁄ CH2: HOLD 5V/div.
Normal mode: The defect part passes
800µm(B.D)
500µs/div.
1ms/div.
0.5ms/div.
3 CH1: FD 1V/div.
⁄ CH2: HOLD 5V/div.
Normal mode: The defect part passes
800µm(B.D)
0.5ms/div.
9 CH1: 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-FM1259,FM1257
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