Sony HCD-DP900D / MHC-DP900D Service Manual ▷ View online
45
45
HCD-DP900D
6-23. SCHEMATIC DIAGRAM – FRONT AMP SECTION –
CN802
IC922
C923
C924
IC923
µPC7812A
C926
C925
CN801
JW845
JW844
JW843
C802
C852
R802
R852
C816
R820
R854
C855
R851
R831
C831
Q831
Q832
R833
Q833
Q834
R835
R834
C832
Q835
R836
C833
R837
Q837
Q836
R839
R840
C834
R830
R872
R871
C872
C871
D871
NO871
C884
C883
R884
R883
C882
C881
R882
L882
R885
L881
TM801
RY881
Q882
Q881
R886
R888
R889
R890
R887
R824
R823
R822
R821
Q821
Q822
R826
C821
D821
R827
Q823
R828
C822
R805
R806
R825
C858
R861
R811
D891
R801
C805
R804
R819
C808
D802
D852
R812
R862
D851
R858
R807
Q801
C807
C806
R810
R860
C856
C857
R859
R809
R856
R857
R855
C812
D801
R808
C862
R881
D881
D830
D831
C885
C886
Q851
C922
R924
Q921
R925
C920
IC921
µPC24A12AHF
D922
Q924
Q922
D921
Q923
C921
R921
C801
C851
C853
R853
C854
C804
R803
C803
IC801
R880
Q816
Q817
R816
R817
R818
TH801
C873
C874
CN803
R832
8P
B-TO-B
NJM7809FA
10
50V
1000
10V
100
16V
16V
10
50V
15P
B-TO-B
680p
680p
56k
56k
10000p
1
1/4W
FR
56k
3p
1k
4.7k
10
50V
2SC2785-HFE
2SC2785-HFE
4.7k
2SC2785-HFE
2SC2785-HFE
33k
22k
100
10V
10V
2SA988-PAFAEA
10k
2.2
50V
10k
2SC2785-HFE
2SC2785-HFE
47k
56k
100
10V
10V
4.7k
100k
100k
0.1
100V
0.1
100V
D5SBA204101
3P
SCN
0.1
0.1
10
1/2W
10
1/2W
0.1
0.1
10
1/2W
47k
4P
24V
2SC1841-PAFAEA
2SA1175-HFE
47k
47k
10k
100k
10k
2.2k
10k
22k
2.2k
2SA988-PAFAEA
2SC1841-PAFAEA
5.6k
47
100V
1SS119-25
15k
2SC1841-PAFAEA
33k
100
50V
50V
0.22
2W
0.22
2W
68k
22
100V
100
1/4W
100
1/4W
1SS119-25
1k
3p
56k
10k
22
100V
MTZJ-T-72-16B
MTZJ-T-72-16B
1.5k
1/2W
1/2W
1.5k
1/2W
1/2W
1SS119-25
15k
1k
2SC1841-PAFAEA
0.068
0.068
10
1/2W
10
1/2W
0.068
0.068
100k
100k
0.22
2W
1k
0.22
2W
0.1
1SS119-25
15k
0.1
10
1/2W
1SS119-25
1SS119-25
1SS119-25
0.01
0.01
2SC1841PAFAEA
1000
16V
10k
2SB1375
6.8k
0.1
50V
50V
MTZJ-T-72-24A
DTC114ES
DTC114ES
RB441Q-40T-77
2SC2785-HFE
10k
10
50V
10
50V
100p
150
100
16V
16V
100
16V
16V
150
100p
470
2W
2SC1841-PAFAEA
2SC1841-PAFAEA
100k
100k
100k
2200
800V
800V
2200
800V
800V
3P
1k
*8
STK MUTE
FRONT RY
CHASSIS GND
FAN DETECT
HP L
HP GND
HP R
FRONT L
FRONT GND
FRONT R
SP PROTECT
GND
AC1
AC1
L-GND
R-GND
L-CH
R-CH
A+12V
A-GND
-B
GND
+B
-B
(CHASSIS GND)
PROTECTOR
L
R
FRONT
SPEAKER
IMPEDANCE
USE 8-16
Ω
A+12V
POWER AMP
+VH
-VH
REG
REG
GND
Q831-835
DC DETECT
POWER AMP
Q836,837
PROTECTOR
PROTECTOR
MUTE DRIVER
Q821,822
MUTE SIGNAL
DELAY
Q881,882
RELAY
DRIVER
M+9V
UNREG GND
DVD-GND
UNREG+10V
AC3
AC3
DVD 12V
DVD POWER
12V REG
Q816,817
+B SWITCH
Q921-Q924
STK412-030
TEMPERATURE DETECTOR
BOARD
SURRPUND AMP
MAIN
BOARD(2/3)
MAIN
BOARD(2/3)
BOARD
TRANS
(Page38)
(Page38)
(Page53)
(Page47)
HCD-DP900D
46
46
6-24. PRINTED WIRING BOARD – SURROUND AMP SECTION – • See page 21 for Circuit Boards Location.
SURROUND AMP BOARD
11
(12)
1-680-188-
E
N
TRANS
BOARD
(Page 52)
M
FRONT AMP
BOARD
(Page 44)
MAIN
BOARD
(Page 36)
I
2
3
4
5
6
7
8
9
10
11
A
1
B
C
D
E
IC934
IC933
IC932
IC931
JW45
CN1001
NO1071
R933
JW18
C1072
C1071
Q931
C1073
C1074
R1072
LP901
C934
Q932
C935
C933
C937
C931
R931
D1071
R934
JW28
C938
R1071
R932
JW52
JW932
JW935
C936
JW44
JW50
JW38
JW51
JW47
JW32
JW49
JW936
JW31
JW30
JW48
JW27
JW24
JW23
JW22
JW22
JW25
JW41
JW40
JW33
JW35
JW21
JW17
JW19
JW37
JW29
JW34
JW16
JW46
C932
JW26
JW39
JW20
JW57
LP906
JW53
D932
CN1002
JW56
JW55
D933
E
1
3
1
3
1
3
1
3
1
3
1
D934
Ref. No.
Location
D933
A-10
D934
B-10
D1071
C-9
IC931
E-9
IC932
E-7
IC933
E-8
IC934
E-8
Q931
B-10
Q932
B-10
• Semiconductor
Location
47
47
HCD-DP900D
6-25. SCHEMATIC DIAGRAM – SURROUND AMP SECTION –
IC931
µPC7805A
C931
C934
D932
C933
C937
C938
IC934
D1071
C1071
C1072
C1073
R1072
R1071
Q931
CN1001
C932
R931
R933
R932
NO1071
JW932
JW935
R934
D933
NO1002
IC933
C936
C935
Q932
JW936
D934
IC932
C1074
10
50V
470
10V
10V
11ES2
10
50V
10
50V
470
10V
BA033T
D5SBA20410
0.01
0.01
2200
42V
100K
100K
2SB1640
9P
B-TO-B
3300
6.3V
2.7k
2.7k
2.7k
10k
RB441Q-40
3P
BA033T
3300
6.3V
6.3V
10
50V
DTC114ES
RB441Q-40
TA78057S
2200
42V
GND
AC2
AC2
UNREG GND
UNREG+9V
D-GND
D+5V(DSP/DAC/DIR/MC/LED/RDS/TC)
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
D+3.3V(GC)
+B
-B
CHAS
SIS GND
CD/DVD POWER
REG SWITCH
REG SWITCH
3.3V REG
5V REG
5V REG
+VL
-VL
D+5V
GC 3.3V
SW D+3.3V(DVD)
SW D+5V(DVD/DVD MECHACON)
REG
D+3.3V
BOARD
TRANS
BOARD
FRONT AMP
MAIN
BOARD(2/3)
(Page45)
(Page53)
(Page38)
HCD-DP900D
48
48
6-26. PRINTED WIRING BOARD – PANEL SECTION – • See page 21 for Circuit Boards Location.
Ref. No.
Location
D1114
A-5
D1115
A-4
D1116
A-3
D1117
A-9
Q1114
A-8
Q1115
A-7
Q1116
A-7
• Semiconductor
Location
Ref. No.
Location
D1101
D-10
D1102
C-11
D1103
C-10
D1104
B-11
D1105
B-11
D1106
A-11
D1107
E-6
D1108
F-5
D1110
G-5
D1111
G-6
D1112
G-7
D1113
H-5
D1121
C-8
IC1101
B-7
IC1102
H-3
IC1201
G-11
Q1101
D-11
Q1102
C-11
Q1103
C-10
Q1104
B-11
Q1105
B-11
Q1106
A-11
Q1107
E-8
Q1108
E-5
Q1109
G-5
Q1110
G-5
Q1111
G-7
Q1112
G-8
Q1113
G-6
Q1120
D-3
Q1123
B-8
Q1124
A-6
Q1201
G-9
• Semiconductor
Location
>
>
M
M
x
X
B
B
PANEL BOARD
J
MAIN BOARD
(Page 36)
B
D
1117
D1114
D1115
D1116
S1111
S1112
S1113
S1114
S1115
CN1109
Q1115
Q
1116
Q
1114
R
1138
R
1141
R
1140
R1151
R1150
9
1
R1152
R
1153
R1154
R
1139
S1110
JW
100
OPEN/CLOSE
DISC SKIP
EX-CHANGE
DISC3
DISC2
DISC1
A
1
2
3
4
5
6
7
8
9
10
(13)
11
1-680-278-
1
CD-PANEL BOARD
E
E
E
IC1201
S1127
S1126
R1164
S1125
S1124
S1123
S1116
S1118
S1117
S1120
S1119
S1122
S1121
R1168
D1106
D1104
Q1105
D1102
D1103
D1101
FL1101
S1101
Q1106
R1291
R1114
Q1104
JW159
Q1102
Q1103
CN1110
JW153
C1133
C1108
C1121
R1155
C1122
JW139
C1131
C1126
C1141
C1128
C1120
R1144
JW141
C1134
C1127
R1157
JW107
R1158
JW1101
R1160
FB1101
C1142
D1105
R1297
R1130
R1165
JW152
JW113
R1146
R1204
D1107
D1108
JW119
JW183
D1111
D1112
D1113
S1135
S1139
S1140
S1141
S1142
S1148
S1149
S1143
S1144
S1147
S1145
S1146
S1136
S1137
S1138
S1129
S1131
S1132
S1133
S1134
JW136
IC1102
RV1201
MIC LEVEL
R1199
CN1108
Q1110
Q1112
FB1102
JW165
Q1111
C1110
R1120
Q1108
Q1107
Q1113
R1174
R1159
JW112
R1185
Q1120
JW
1105
R1198
JW1201
S1128
JW102
JW147
R1286
C1137
NO602
JW133
R1167
R1171
R1169
JW104
R1176
R1166
R1172
C1215
R1186
R1175
R1131
R1177
R1183
R1184
R1178
R1179
R1180
R1181
R1182
JW179
3 2 1
JW171
JW172
JW173
JW174
JW170
JW169
JW162
C1105
R1212
R1132
JW168
R1170
JW132
IC1101
R1135
C1107
JW181
JW191
JW156
JW190
JW189
JW188
JW175
R1296
R1115
R1134
JW185
D1110
R1211
R1231
JW178
JW177
R1136
Q1201
CN1101
R1213
R1214
R1215
C1208
C1214
C1103
C1112
C1132
JW176
C1213
R1207
JW108
R1145
C1123
JW118
JW109
R1287
X1101
R1123
R1290
R1128
R1190
R1282
R1283
JW123
R1108
JW166
JW134
JW105
JW111
R1113
JW164
R1107
R1104
R1105
R1106
R1109
R1110
R1111
C1138
R1148
C1106
R1125
Q1101
JW101
R1281
C1109
R1122
R1121
R1116
R1118
JW192
R1289
R1124
JW160
R1119
R1117
JW129
JW131
R1162
JW187
R1294
C1104
C1212
JW182
R1112
R1191
R1192
C1140
FB1103
JW117
R1137
JW161
JW106
JW116
R1133
JW135
R1285
R1288
JW114
JW193
R1161
JW157
JW1102
R1163
JW199
R1147
D1121
R1129
JW115
C1102
C1242
C1241
C1130
JW142
C1209
R1206
JW184
R1203
C1210
C1205
C1207
C1204
C1203
C1206
LP1102
JW180
C1216
R1208
1-680-277-
R1205
NO601
R1127
R1126
JW140
C1139
JW163
R1295
Q1123
Q1124
C1143
R1293
R1189
JW186
C1129
JW138
R1173
Q1109
JW167
JW120
R1292
C1124
C1111
R1143
C1125
JW122
JW1106
JW158
S1130
R1156
JW124
JW121
R1197
LP1101
C1211
R1100
R1210
R1149
C1250
R1209
C1113
C1114
R1280
R1103
R1102
R1101
JW130
NO708
NO708
NO707
NO707
30
29
1
2
VOLUME
REC
PASSE/START
2CH/MULTI
CD SYNC
HI–DUB
EFFECT
TOOL
MODE
MODE
ENTER
GROOVE
P FILE
DVD
MENU
DVD
TITLE
GAME
MODE
MODE
DSP EDIT
MOVIE
MODE
DISPLAY
SPECTRUM
CLOCK/
TIMER SET
TIMER SELECT
TIMER SELECT
DVD DISPLAY
DIRECTION
REPEAT
MONO/DOLBY NR
PLAY MODE
TUNER MEMORY
MOVIE
MODE
GAME
MD(VIDEO)
DIGITAL
TAPE
TUNER/BAND
DVD
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
H
(13)
11
A/B
J1101
PHONES
TOUCHI DEVICE
MIC
J1202
FL INDICATOR TUBE
8
5
1
4
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
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