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PIONEER 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 EUROPE N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000
K-ZZB. MAR. 2000 Printed in Japan
ORDER NO.
CRT2465
CD PLAYER
YPM-2306ZF
WL
Service
Manual
FORD
- The CD mechanism employed in this model is one of S8.1 series.
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....5
4. PCB CONNECTION DIAGRAM ................................11
5. ELECTRICAL PARTS LIST ........................................14
6. ADJUSTMENT..........................................................16
7. GENERAL INFORMATION .......................................20
7.1 DIAGNOSIS ........................................................20
7.1.1 TEST MODE ..............................................20
7.1.2 DISASSEMBLY .........................................24
7.2 IC ........................................................................27
7.3 EXPLANATION ...................................................29
7.3.1 CIRCUIT DESCRIPTIONS .........................29
7.3.2 MECHANISM DESCRIPTIONS.................44


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2
YPM-2306ZF
- CD Player Service Precautions
1. For pickup unit(CXX1285) handling, please refer
to"Disassembly"(see page 24).
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 ser-
vice pickup unit(see page 18).
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.


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YPM-2306ZF
2. EXPLODED VIEWS AND PARTS LIST
2.1 CD MECHANISM MODULE
3


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4
YPM-2306ZF
Mark No. Description
Part No.
Mark No. Description
Part No.
- CD MECHANISM MODULE SECTION PARTS LIST
1 Control Unit(S8)
CWX2435
2 Connector(CN802)
CKS2192
3 Connector(CN801)
CKS2193
4 Connector(CN901)
CKS2767
5 Connector(CN101)
CKS3486
6 Screw
BMZ20P030FMC
7 Screw
BSZ20P040FMC
8 Screw(M2x3)
CBA1077
9 Screw(M2x6)
CBA1489
10 Screw
CBA1243
11 Screw(M2x4)
CBA1362
12 Washer
CBF1037
13 Washer
CBF1038
14 Washer
CBF1060
15 Spring
CBH2372
16 Spring
CBH2079
17 Spring
CBH2117
18 Spring
CBH2314
19 Spring
CBH2373
20 Spring
CBH2282
21 Spring
CBH2318
22 Spring
CBH2115
23 Spring
CBH2324
24 Spring
CBH2118
25 Spring
CBH2161
26 Spring
CBH2163
27 Spring
CBH2189
28 Spring
CBH2249
29 Spring
CBH2260
30 Spring
CBH2262
31 Bracket
CNC8568
32 Spring
CBL1369
33 Connector
CDE5531
34 Connector
CDE5532
35 Shaft
CLA3304
36 Screw(M2.6x6)
CBA1458
37 Frame
CNC8682
38 Frame
CNC8603
39 Lever
CNC8694
40 Arm
CNC8663
41 Bracket
CNC8567
42 ·····
43 Spacer
CNM3315
44 Sheet
CNM6659
45 ·····
46 ·····
47 Ball
CNR1189
48 Belt
CNT1086
49 Roller
CNV4509
50 Arm
CNV6102
51 Arm
CNV6094
52 Arm
CNV5248
53 Arm
CNV6095
54 Guide
CNV5254
55 Guide
CNV5255
56 Gear
CNV5257
57 Gear
CNV5256
58 Guide
CNV6176
59 ·····
60 Arm
CNV6096
61 Arm
CNV6031
62 Arm
CNV5361
63 Guide
CNV6012
64 Guide
CNV5510
65 ·····
66 Guide
CNV5751
67 Clamper
CNV6013
68 Gear
CNV5813
69 Motor Unit(M1)
CXB5827
70 Screw Unit
CXB4726
71 Chassis Unit
CXB5811
72 Gear Unit
CXB4728
*
73 Arm Unit
CXB5753
74 Motor Unit(M2)
CXB5828
75 Lever Unit
CXB4730
76 Arm Unit
CXB4731
77 Motor Unit(M3)
CXB5829
78 Arm Unit
CXB5689
79 Bracket Unit
CXB4795
80 Screw
JFZ20P025FMC
81 Screw
JGZ17P025FZK
82 Washer
YE20FUC
83 Pickup Unit(Service)(P8) CXX1285
84 Screw
IMS26P030FMC
*
85 Gathering PCB
CNX3265
86 Photo Transistor(Q1, 2, 3) CPT231SXTU
87 Damper
CNV5266
88 Rack
CNV6014
89 Spring
CBH2315
90 Screw
BSZ26P060FMC
*
91 Bracket
CNC8814


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5
YPM-2306ZF
1
2
34
1
2
34
D
C
B
A
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
M
M
M
LD
MD
HOLOGRAM
UNIT
FOCUS
ACT
TRACKING
ACT
LD+
MD
FO+
TO
+
14
5
4
3
SPINDLE
MOT
OR
CARRIAGE
MOT
OR
LOADING
MOT
OR
1
2
3
4
3
1
2
EJECT
SENSE
DISC
SENSE
E
CN801
CN802
D802
D803
D801
VD
S802
CLAMP
EJTSNS
CDMUTE
DSCSNS
clamp
VC
VDD
IC
701
BA05SFP
VIN
5V
REGULA
T
O
R
2
4
1
VD
D
Q101
CN101
FOP
TOP
A+C/F
B+D/E
98
LD
L_OUT
PD
LIMIT
97
24
23
39
47
4
20
48
CD5VON
3
X201
TD/FD
CDLOAD/CDEJET
MISO/
ejsw
/MOSI/
reset
cdsrq
/
brst
/
sck
/
cscd
XAO/
xstb
XSI/XSO
xsck
LOCK/MIRR
FOK
SD/MD
RF-AMP,
SERVO,
DSP,
DAC,
LPF
IC
201
UPD63711GC
MICRO
COMPUTER
IC
901
PE5165A
16
CN901
3
18
17
IC
301
BA5985FM
S801
HOME
12
16
18
11
14
13
10
9
SOP
TOP
FOP
SOM
COP
COM
LOP
LOM
CDDRIVER
CONTROL
UNIT(S8)
PICKUP
UNIT(SER
VICE)(P8)
PHOTO
UNIT(S8F)
Q602
Q603
B
A