Sony HCD-XGR90AV / LBT-XGR90AV Service Manual ▷ View online
41
41
HCD-XGR90AV
7-20.SCHEMATIC DIAGRAM – PA SECTION –
C831
C904
D401
D801
D834
D835
D836
D851
R429
R437
R439
R447
R811
R812
R813
R814
R815
R823
R827
R831
R832
R861
R862
R863
D402
D833
Q402
Q801
Q804
Q851
Q803
EPT801
EPT802
R820
R804
R821
R837
C832
Q831
D853
R865
Q832
JW820
JW821
R864
CN803
R819
C845
D842
D843
D844
D841
TH831
R858
R460
C401
R406
R407
D406
D405
C807
C857
Q901
R901
R902
R802
R852
C812
C903
C902
R915
R905
R904
D803
R822
R828
R441
R434
C906
C412
C413
C432
C802
C803
C808
C809
C811
C813
C814
C815
C847
C849
C852
C853
C858
C859
C861
C862
C905
D912
Q432
Q433
Q437
Q434
Q805
Q834
Q855
R809
R818
R825
R838
R840
R857
R859
R868
R880
R903
RY401
D805
R888
C801
R801
C850
C895
R855
CN804
D904
D905
D902
D903
R866
JW818
CN806
R867
R816
R431
R432
C848
R807
Q401
D802
D852
R806
R805
C894
C844
R446
R808
R898
R851
NO702
NO701
IC901
µ
PC3504AHF
Q439
R907
R906
R810
D831
R860
D407
R408
D410
R443
C433
C810
JW807
R834
C830
JW701
C909
JW403
JW404
JW467
Q903
R442
C851
CN904
D804
Q833
R836
R835
Q908
D403
R817
TM401
R803
R824
C414
C415
C416
R409
D409
TM402
L403
L404
L405
R416
R417
R419
R420
R421
R422
R423
R424
R418
C406
C407
C408
C409
C410
C411
R450
RY402
RY403
D404
JW489
R403
R402
R401
Q403
Q407
R444
JW810
JW815
JW816
R425
R440
Q431
CN805
D906
D911
R916
C891
C841
C892
C842
R839
R889
JW819
JW827
C804
C854
R853
R833
C863
C864
D408
10 50
10 50
1SS133T
1SS133T
11ES2
11ES2
11ES2
1SS133T
47k
10k
4.7k
47k
1k
15k
100k
2.2k
22k
22k
100k
100k
100k
1k
15k
100k
1SS133T
11ES2
2SC1841
2SC1841
2SC1841
2SC1841
2SA988
1
33k
33k
33k
47 50
DTC124ESA
22K/22K
1SS133T
22k
2SC2603
4.7k
13P
BTB
68k
2200
25
11ES2
11ES2
11ES2
11ES2
0.22/5W
10k
4.7
50
47k
47k
1SS133T
1SS133T
22
100
22
100
2SC2603
10k
100k
47k
47k
0.047
PE
100
16
0.1
22
10k
1k
1SS133T
22k
1M
33k
22k
2200
25
0.01
0.01
100 16
470p
220p
0.1
100V
TF
0.1
100V
TF
0.047
PE
0.01
1000p
0.47
50V
0.1
0.1
470p
220p
0.1
0.1
0.047
PE
0.047
PE
100
50
MTZJ-7-77-5.6
2SA1115
2SC2603
2SC2603
2SC2603
2SC2878AB
2SC1841
2SC2878AB
10
1/2W
220
680 2W
33k
56
100
1/4W
10
1/2W
220
56
10k
24V
1SS133T
0.22/5W
10/100
1k
4.7/100
4.7/100
680/2W
13P
BTB
11ES2
11ES2
11ES2
11ES2
10k
4P AMP
2.2k
10k
56k
47k
0.1
100 1/4W
DTA1124ESA
MTZJ-T-77-15A
MTZJ-T-77-15A
3.9k
1W
3.9k
1W
0.1
100V
0.1
100V
10k
0.22
5W
0.22
5W
1k
11P
2SC2603
100
100
47k
RBV1306
47k
1SS133T
82k
1SS133T
27k
3.3
50V
47
100V
10k
10
50
50
0.1
2SB1375
33k
10/100
4P
1SS133T
DTA124ESA
1k
47k
2SA1115
1SS133T
47k
330
1.2k
0.01
0.01
0.01
47k
1SS133T
4.7
4.7
4.7
4.7
4.7
10
1/2W
10
1/2W
10
1/2W
4.7
0.1
0.1
0.1
0.1
0.1
0.1
47k
24V
24V
1SS133T
JW
560
1W
390
1W
DTA124ESA
DTC124ESA
68k
47k
22k
2SC2603
9P
SCN
JW
470
3W
3300
50V
3300
50V
3300
80V
3300
80V
100k
100k
47
50
47
50
560
18k
2.2
50V
10
50V
1SS133T
2
2
3
1
3
2
1
2
3
1
1
3
2
3
1
5
1
2
3
5
*
GND
+10V
VF
VF
VF(-35V)
PROTECT
HP-L
HP.GND
HP-R
D.GND
A.GND
DBFB
FAN.DET
LCH-IN
RCH-IN
F-RELAY
POWERGND
AC12V
AC12V
PRI-GND
AC7V
AC7V
AC-L
P-GND
AC-H
POWER
AC-H
AC-L
S-GND
+UN10V
STK POWER
HP-SW
HP-SW
HP-MUTE
VF
VF
P-GND
PL/SW RELAY
-VEE
D.GND
+10V
EVER +3.9V
POWERGND
+UNREG.15V
10V GND
15V GND
STBY_RY
+9V
AC_IN
AC_IN
STK MUTE
SUB-GND
GND
OVERLOAD
CENTER
REAR L
+B
-B
REAR R
(CHASSIS)
(CHASSIS)
STK412-040
R
L
-
+
-
+
IC801
POWER AMP
SWITCH
STANDBY
Q831,832
TEMPERATURE
DETECT SWITCH
DETECT
SWITCH
STANDBY
SWITCH
STANDBY
Q801,851
OVER LOAD
RELAY DRIVE
Q401,402
FRONT SPEAKER PROTECT
MUTE
MUTE
-35V REGULATOR
Q903,908
+5V REGULATOR
RELAY DRIVE
POWER ON/OFF
Q901
DELAY
SWITCH
OVER LOAD
Q433,434
SWITCH
DETECT
DC DETECT
PROTECT SWITCH
PROTECT SWITCH
Q432,437
R
L
-
+
-
+
FRONT
SPEAKER
(INPEDANCE
SPEAKER
(INPEDANCE
USE 8-18
USE 8-18
Ω
)
USE 6-18
Ω
)
USE 8-18
Ω
)
SURROUND
-
+
REAR
(INPEDANCE
CENTER
RELAY DRIVE
Q403,407
SURROUND SPEAKER PROTECT
*D911
MTZJ-39C
MTZJ-33A
E
AUS
HCD-XGR90AV
42
42
7-21.PRINTED WIRING BOARD – SUB AMP SECTION – • See page 21 for Circuit Boards Location.
Ref. No.
Location
D101
B-5
D151
C-3
D191
C-2
IC101
A-3
Q101
B-4
Q151
B-3
Q181
C-2
• Semiconductor
Location
EPT101
R159
R109
R163
R162
R115
R160
R152
R151
R119
R130
R116
R117
R114
R102
R190
R189
R192
R193
R191
R101
Q104
Q103
C113
CN101
C102
C189
C188
C103
C152
C153
Q151
R158
IC101
R108
R138
R128
JW119
R113
CN102
C184
C181
JW106
C114
Q101
R111
C107
E
E
E
E
R121
R161
R112
JW116
JW131
1
1
4
5
10
15
18
R110
JW121
R107
R157
JW134
C104
C154
C151
R153
R188
R168
R103
JW110
JW118
JW125
JW138
D151
C101
C157
C108
C109
C106
C105
C158
C159
JW140
JW120
JW133
D152
R164
C160
R165
JW101
R120
JW111
JW139
JW137
JW136
D101
JW122
SUB AMP BOARD
11
(12)
1-683-451-
T
PROLOGIC
BOARD
(Page 44)
P
PA
BOARD
(Page40)
C183
R183
C182
R182
R181
1
9
Q181 E
D191
2
3
4
5
6
A
1
B
C
D
43
43
HCD-XGR90AV
7-22.SCHEMATIC DIAGRAM – SUB AMP SECTION –
C103
C153
R101
C101
C151
R111
Q101
Q151
R163
R109
R159
C108
C109
C158
C159
C114
C113
C105
C106
EPT101
R108
R138
R151
R158
R128
R112
D101
D151
R162
R113
R107
R157
R161
JW
104
JW
101
R130
R188
Q181
R192
R189
C188
C189
D191
R193
R190
R191
C182
R182
C183
R183
C184
R181
R168
CN102
CN101
C181
R160
C107
C157
C154
R153
R152
C152
C102
R102
C104
R103
R110
R120
1
IC101
220p
220p
1k
1
50
1
50
1k
2SC1841
2SC1841
100k
10
1/2W
10
1/2W
0.068
PE
0.068
PE
0.068
PE
0.068
PE
1000p
10000p
0.1
TF
0.1
TF
0.22
2W
0.22
2W
1k
0.22
2W
0.22
2W
15k
1SS133T
1SS133T
15k
100k
100
100
1k
10k
0.22
2W
2SC1841
15k
10
1/2W
0.068
0.068
1SS133T
100k
47k
1k
680p
47k
220p
330
47
50
1k
0.22
2W
4P
9P
1
50
47k
100
50V
50V
100
50V
50V
47
50
50
270
47k
680p
680p
47k
47
50
50
330
47k
STK443-050
AMP
STK MUTE
OVERLOAD
REAR-R
SUB-GND
GND
+B
-B
REAR-L
CENTER
A.GND
REAR-L
REAR-R
CENTER
(CHASSIS)
Q101,151
OVER LOAD
DETECT
OVER LOAD
DETECT
Q181
HCD-XGR90AV
44
44
7-23.PRINTED WIRING BOARD – PROLOGIC SECTION – • See page 21 for Circuit Boards Location.
FL201
IC201
D201
R291
R293
R292
R282
R281
R272
R271
R214
R213
R212
R210
R205
R204
R203
R202
R201
R283
R273
C215
C214
C264
C291
C292
R294
R216
R217
L201
R211
R208
R207
R209
R206
JW202
Q271
Q281
Q291
E
JW
201
JW205
C210
C212
C211
C208
C209
C207
C203
C202
C201
C261
C260
C258
C259
C257
C256
C255
C249
C252
C231
C225
C216
C262
C204
C229
JW
208
JW210
JW
211
C228
C226
C227
C236
C237
C248
C224
C213
C206
C205
C219
C220
C221
C222
C230
25 24
64 65
1
80
40
41
41
C242
C223
C218
C217
CN201
JW207
JW
213
JW209
JW204
JW
206
JW
200
JW214
JW215
JW216
JW217
JW
218
JW
219
CN203
C241
C240
C238
C239
C251
C253
CN202
C232
C243
C244
C250
C246
C247
C235
C233
C234
JW
212
C245
E
E
1
4
T
SUB AMP
BOARD
(Page 42)
1
10
S
MAIN
BOARD
(Page 33)
1
10
R
MAIN
BOARD
(Page 33)
PROLOGIC BOARD
11
(11)
1-684-074-
2
3
4
5
6
A
1
B
C
D
E
Ref. No.
Location
D201
A-4
IC201
B-3
Q271
B-4
Q281
B-4
Q291
A-5
• Semiconductor
Location
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