Pioneer YPM-2306ZF User manual

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

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.

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

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

5
YPM-2306ZF
1234
1234
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
MOTOR
CARRIAGE
MOTOR
LOADING
MOTOR
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 REGULATOR
24
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
CD DRIVER
CONTROL UNIT(S8)
PICKUP UNIT(SERVICE)(P8)
PHOTO UNIT(S8F)
Q602
Q603
B
A

6
YPM-2306ZF
1234
1234
D
C
B
A
3.2 CD MECHANISM MODULE
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
A B
3P
22/6R3
RF-AMP, SERVO, DS
MICRO CO
CD DRIVER
5V REGULATOR
M3 CXB5829
M1 CXB5827
SPINDLE MOTOR
M2 CXB5828
CN801
CN802
LOADING MOTOR
CARRIAGE MOTOR
Q3 CPT231SXTU
D803
R803
LT3
Q1 CPT231SXTU
Q2 CPT231SXTU
PHOTO UNIT(S8F)
CN101
PICKUP UNIT CONTROL UNIT(S8)
(SERVICE)(P8)
PE5165A
A
B

7
YPM-2306ZF
5678
5678
D
C
B
A
A
4700P
16.934MHz
8.38MHz
VO, DSP, DAC, LPF
CRO COMPUTER
CN901
SWITCHES:
CONTROL UNIT
S801 : HOME SWITCH.....ON-OFF
S802 : CLAMP SWITCH....ON-OFF
The underlined indicates the switch position.
PE5165A

8
YPM-2306ZF
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: FO+ 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 (FWD)
0.5ms/div. 8CH1: TE 0.5V/div.
9CH2: TD 0.5V/div.
Test mode: Single jump (FWD)
0.5ms/div. 8CH1: TE 0.5V/div.
9CH2: TD 0.5V/div.
Test mode: 100 tracks jump (FWD)
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 →

9
YPM-2306ZF
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: 100 Tracks jump(FWD)
5ms/div. 0MD 0.5V/div. 0.1s/div.
Normal mode: Play (12cm)
0MD 1V/div. 10ms/div.
Normal mode:
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. $PLCK 2V/div. 0.5µs/div.
Normal mode: play
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 →
GND →
REFO →

10
YPM-2306ZF
(CH1: R OUT 1V/div.
)CH2: L OUT 1V/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)
0.2ms/div. 1ms/div.
0.5ms/div. 3CH1: FD 0.5V/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 →