Read Sony HCD-XGR90AV / LBT-XGR90AV Service Manual 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
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