Pioneer DEH-P945R User manual

MULTI-CD/MD/DAB CONTROL DSP HIGH POWER CD PLAYER WITH RDS TUNER
DEH-P945R EW
Se r v i c e
M a nu a l
DEH-P945R/EW
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
ORDER NO.
CRT2207
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................3
3. SCHEMATIC DIAGRAM ...........................................16
4. PCB CONNECTION DIAGRAM ................................46
5. ELECTRICAL PARTS LIST ........................................64
6. ADJUSTMENT..........................................................79
7. GENERAL INFORMATION .......................................83
7.1 PARTS .................................................................83
7.1.1 IC................................................................83
7.1.2 DISPLAY..................................................100
7.2 DIAGNOSIS ......................................................101
7.2.1 DISASSEMBLY .......................................101
7.2.2 TEST MODE............................................102
7.3 BLOCK DIAGRAM ............................................108
8. OPERATIONS AND SPECIFICATIONS...................110
-See the separate manual CX-680(CRT2216) for the CD mechanism description, disassembly and circuit
description.
-The CD mechanism employed in this model is one of H1 series.
K-FEA. JUNE 1998 Printed in Japan
DEX-P99R EW
MULTI-CD/MD/DAB CONTROL DSP CD PLAYER WITH RDS TUNER

2
DEH-P945R,DEX-P99R
-CD Player Service Precautions
1. For pickup unit(CXX1290) handling, please refer
to"Disassembly"(CX-680 Service Manual CRT2216).
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 81).
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.
• When checking 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.
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.
4. Specifications of Laser Diode
Specifications of laser radiation fields to which human access is possible during service.
Wavelength = 800 nanometers
CLASS 1
LASER PRODUCT

3
DEH-P945R,DEX-P99R
24
19
31
12 10
8
9
27
28
4
5
15
36
17
3
4
2
22
29
23
26
1
16
30
6
18
20 11
21
34 34
41
35
37
14
39 38
7
25
32
42 43
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING

4
DEH-P945R,DEX-P99R
-PACKING SECTION PARTS LIST
(1) PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
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 Screw Assy CZE3198
2 Screw BNC40P120FZK
3 Screw BPZ30P100FZK
* 4 Polyethylene Bag CEG-127
* 5 Polyethylene Bag CZE3201
6 Polyethylene Bag CZE3188
* 7 Accessory Assy CEA2429
8 Screw CBA1002
9 Screw CBA1120
10 Spring CBH-865
11 Handle CNC5395
12 Bush CNV1917
* 13 Polyethylene Bag E36-615
14 Bracket CZN6467
15 Air Cushioned Bag CEG1080
16 Belt CZN6416
17 Air Cushioned Bag CEG1192
18 Battery CEX1006
19 Battery CEX1030
20 Carton See Contrast table(2)
21 Bracket Assy CEA2346
22 Protector CHP2089
23 Protector CHP2090
24-1 Owner's Manual CRD2727
24-2 Owner's Manual CRD2728
24-3 Owner's Manual CRD2729
24-4 Installation Manual CRD2655
24-5 Installation Manual CRD2656
24-6 Installation Manual CRD2657
24-7 Polyethylene Bag CEG1116
25 Remote Control Assy CXB2660
25-1 Polyethylene Bag CEG1011
26 Contain Box CHD2637
27 Case Assy CXA7194
28 Cord Assy See Contrast table(2)
29 Cover CEG1088
30 Base Assy CEA2426
31 Microphone Assy CPM1022
32 Remote Control Assy CZX3218
33 •••••
* 34 Screw RMZ30H060FBK
* 35 Polyethylene Bag CEG-127
36 Remote Control Assy CXB2636
* 37 Hexagonal Wrench CZE3176
38 Sheet CZA3371
39 Base CNS5031
40 •••••
41 Screw Assy CZE3169
42 Holder Assy CZX3172
43 Holder Assy CZX3173

5
DEH-P945R,DEX-P99R
-Owner’s Manual
Model Part No. Language
DEH-P945R/EW CRD2652 English, Spanish
CRD2653 German, French
CRD2654 Italian, Dutch
DEX-P99R/EW CRD2727 English, Spanish
CRD2728 German, French
CRD2729 Italian, Dutch
-Installation Manual
Model Part No. Language
DEH-P945R/EW, DEX-P99R/EW CRD2655 English, Spanish
CRD2656 German, French
CRD2657 Italian, Dutch
Part No.
Mark No. Symbol and Description DEH-P945R/EW DEX-P99R/EW
20 Carton CHG3534 CHG3533
28 Cord Assy CDE5730 CDE5657
(2) CONTRAST TABLE
DEH-P945R/EW and DEX-P99R/EW are constructed same except for the following:

6
DEH-P945R,DEX-P99R
2
17
115
1
1
1
142
1
117
14
27
27
3
34
100 85
76 76
19
68
68
68
81 103
67
104
144 89
4
6
80
139 140
120
70
71
119 70
32
69
91 76
32
90 76
37
40
35
60
23
126
54
48
38
51 46
130
58
42
40
44
125
61 49
46
84
73
33
76
77
83
32
32
118
31 20 21 31
45
52
50
123
122121
36
124
138
31
31
10177
25
83 88
94
75
75
94
92
74
78
143
98
93
73
88
99
76
26
72 86
87 72
102
82
66
65
59
57
62
63
39
18 18
22 22
116
24
24 2
15 15
111
16
132
131
28
8
64
13
141
11 13
11
133
53
42
135
135
85
95
5
29
7
129 128 127
109
106
110
79 97
96
107
105
108
134
A
A
136
30
137
30
9
143
2.2 EXTERIOR (1)
-DEH-P945R/EW

7
DEH-P945R,DEX-P99R
1 Screw BSZ26P050FMC
2 Screw BSZ30P055FMC
3 Cord Assy CDE5785
4 Cord CDE5536
5 Cord Assy CDE5625
6 Connector CDE5543
7 Cord Assy CDE5730
8 Inverter Assy MWM9028
9 Fuse CEK1136
10 •••••
11 Cap CNS1472
12 Choke Coil CTH1127
13 Resistor RS1/2PMF102J
14 Antenna Cable CDH1115
15 Screw BSZ26P050FMC
16 Clip MBK9001
17 Case CNB2278
18 Earth Terminal CNC7358
19 Holder CNC6798
20 Holder CNC7566
21 Holder CNC7753
22 Spacer CNM4913
23 Spacer CNM5793
24 Cushion CNM5811
25 Panel CNS4553
* 26 Lock Tie CNV-754
27 Cap CNV2680
28 Cord MDE9012
29 Spacer CNM5997
30 Screw BMZ30P180FMC
31 Screw BSZ26P080FMC
32 Screw CBA1447
33 Insulator CNM5627
34 Tuner Amp Unit CWM5696
35 Screw BMZ26P200FMC
36 Screw BSZ30P055FMC
37 Clamper CEF1008
38 Clamper CEF1009
39 Plug(CN901) CKM1278
40 Plug(CN221,851) CKS-783
41 •••••
42 Plug(CN141,852) CKS-784
43 •••••
44 Plug(CN131) CKS-786
45 Plug(CN101) CKS1044
46 Plug(CN451,804) CKS1222
47 •••••
48 Plug(CN803) CKS1225
49 Connector(CN801) CKS1564
50 Connector(CN671) CKS2779
51 Connector(CN681) CKS3583
52 Connector(CN231) CKS3592
53 Connector(CN222) CKS3781
54 Holder CNC7554
55 Holder CNC7557
56 Holder CNC7559
57 Case CNC8014
58 Insulator CNM4684
59 Insulator CNM5626
60 Heat Sink CNR1468
61 Holder CNV1906
62 FM/AM Tuner Unit CWE1416
63 Holder CNC6555
64 DSP Unit CWX2214
65 Connector(CN3001) CKS3782
66 Case CNC8015
67 Screw BMZ20P030FMC
68 Screw BMZ20P030FZK
69 Screw BPZ20P060FMC
70 Screw CBA1060
71 Screw CBA1061
72 Screw CBA1082
73 Screw CBA1430
74 Screw CBA1454
75 Washer CBF1038
76 Washer CBF1039
77 Spring CBH2063
78 Spring CBH2086
79 Cord CDE5587
80 Cord CDE5596
81 Cord CDE5597
82 Socket CKS2497
83 Roller CLA3458
84 Frame CNC7548
85 Spacer CNM5808
86 PCB CNP5065
87 Cover CNS4841
88 Holder CNV2141
89 Gear CNV5271
90 Torque Limiter Unit CNV5272
-EXTERIOR (1) SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.

8
DEH-P945R,DEX-P99R
91 Gear CNV5273
92 Rack CNV5274
93 Lighting Conductor CNV5276
94 Guide CNV5356
95 Gathering PCB CNX2961
96 Mini Jack(CN4602) CKN1015
97 Plug(CN4601) CKS-786
98 Panel Unit CXB2212
99 Arm Unit CXB2215
100 Frame Unit CXB2216
101 Holder Unit CXB2217
102 Arm Unit CXB2218
103 Bracket Unit CXB2598
104 Motor CXM1085
105 ASL Unit CWX2216
106 Screw BSZ30P055FMC
107 Cord CDE5763
108 Plug(CN4501) CKS-784
109 Case CNB2299
110 Case CNB2300
111 Holder MNC9008
112 Holder Assy CZX3172
113 Holder Assy CZX3173
114 Cover CZN6410
115 Remote Control Assy CXB2660
116 Battery Cover CNS5032
117 CD Mechanism Module(H1) CXK5101
118 Chassis Unit CXB2229
119 Switch(S951) CSN1012
120 Switch(S952) CSN1022
121 IC(IC871) NJM78M05FA
122 Trangistor(Q992) 2SD2396
123 Holder CNC8013
124 IC(IC941) PA2024
125 Lamp(IL801) CEL1359
126 IC(IC301) TDA7386
127 Handle CNC5395
128 Spring CBH-865
129 Bush CNV1917
130 Holder CNC8021
131 Holder MNC9009
132 Inverter Unit MWM9026
133 Holder CNC8011
134 Spacer CNM5996
135 Spacer CNM5988
136 Cord Assy CDE5539
137 Guide Unit CXB3234
138 Holder CNC8012
139 Remote Control Assy CZX3218
140 Cover CZN6410
141 Terminal Cover CKX-003
142 Cushion CNM6065
143 Spacer CNM6069
143 Spacer CNM6093
Mark No. Description Part No. Mark No. Description Part No.

9
DEH-P945R,DEX-P99R
138 17
115
1
1
1
1
117
14
27
27
3
34
100 85
76 76
19
68
68
68
81 103
67
104
89
4
6
80
120
70
71
119 70
32
69
91 76
32
90
76
37
40
48
38
51 46
130
58
42
40
44
125
61 49
46
84
73
33
76
77
83
20 21 31
45 50
123
122121
36
124 31
31
10177
25
83 88
94
75
75
94
92
74
78
160 160
98
93
73
88
99
76
26
72 86
87 72
102
82
66
65
59
57
62
63
39
18
22 18
22
116
24
24 2
15 15
111
16
132
131
28
8
156
64
133
53
42
135
135
85
95
5
29
7
129 128 127
109
106
110
79 97
96
107
105
108
134
A
A
136
137
138
139
144
148
142
141
149
145
143
140
147
151
153
154 152150
146
155
32
31
118
32
9
11
13
13
11
157 158
159
161
26 26
-DEX-P99R/EW

10
DEH-P945R,DEX-P99R
1 Screw BSZ26P050FMC
2 Screw BSZ30P055FMC
3 Cord Assy CDE5785
4 Cord CDE5536
5 Cord Assy CDE5545
6 Connector CDE5543
7 Cord Assy CDE5657
8 Inverter Assy MWM9028
9 Fuse CEK1001
10 Cover CKX-003
11 Cap CNS1472
12 Choke Coil CTH1127
13 Resistor RS1/2PMF102J
14 Antenna Cable CDH1115
15 Screw BSZ26P050FMC
16 Clip MBK9001
17 Case CNB2279
18 Earth Terminal CNC7358
19 Holder CNC6798
20 Holder CNC7566
21 Holder CNC7753
22 Spacer CNM4913
23 •••••
24 Cushion CNM6062
25 Panel CNS4553
* 26 Lock Tie CNV-754
27 Cap CNV2680
28 Cord MDE9012
29 Spacer CNM5997
30 •••••
31 Screw BSZ26P080FMC
32 Screw CBA1447
33 Insulator CNM5627
34 Tuner Amp Unit CWM5695
35 •••••
36 Screw BSZ30P055FMC
37 Clamper CEF1008
38 Clamper CEF1009
39 Plug(CN901) CKM1278
40 Plug(CN221,851) CKS-783
41 •••••
42 Plug(CN141,852) CKS-784
43 •••••
44 Plug(CN131) CKS-786
45 Plug(CN101) CKS1044
46 Plug(CN451,804) CKS1222
47 •••••
48 Plug(CN803) CKS1225
49 Connector(CN801) CKS1564
50 Connector(CN671) CKS2779
51 Connector(CN681) CKS3583
52 •••••
53 Connector(CN222) CKS3781
54 •••••
55 Holder CNC7557
56 Holder CNC7559
57 Case CNC8014
58 Insulator CNM4684
59 Insulator CNM5626
60 •••••
61 Holder CNV1906
62 FM/AM Tuner Unit CWE1416
63 Holder CNC6555
64 DSP Unit CWX2214
65 Connector(CN3001) CKS3782
66 Case CNC8015
67 Screw BMZ20P030FMC
68 Screw BMZ20P030FZK
69 Screw BPZ20P060FMC
70 Screw CBA1060
71 Screw CBA1061
72 Screw CBA1082
73 Screw CBA1430
74 Screw CBA1454
75 Washer CBF1038
76 Washer CBF1039
77 Spring CBH2063
78 Spring CBH2086
79 Cord CDE5587
80 Cord CDE5596
81 Cord CDE5597
82 Socket CKS2497
83 Roller CLA3458
84 Frame CNC7548
85 Spacer CNM5808
86 PCB CNP5065
87 Cover CNS4841
88 Holder CNV2141
89 Gear CNV5271
90 Torque Limiter Unit CNV5272
-EXTERIOR (1) SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.