![background image](http://html.mh-extra.com/html/sony/hcd-xgr88/hcd-xgr88_service-manual_1329778043.webp)
43
43
HCD-XGR88
6-21. SCHEMATIC DIAGRAM – POWER AMP SECTION –
C853
R802
R852
R811
R861
R812
R862
Q801
Q851
C811
C861
C862
C814
Q803
D912
R905
C905
D911
R904
R903
CN803
C413
C412
R429
JW
75
JW
8
3
1
R820
LP
71
C815
R446
R447
C859
C858
Q834
JW
4
66
JW824
R
8
98
R
8
08
R
88
8
R
8
5
8
C803
C816
D-D47
µ
F
JW817
JW811
JW808
JW818
TH831
R832
Q804
R815
R814
R822
R823
R825
RY401
R860
C904
R828
R827
Q402
JW403
JW404
R818
R868
R840
R880
R834
R835
R836
C906
C903
JW805
CN805
NO702
R867
JW489
R842
JW826
JW825
EPT801
EPT802
C415
C416
C813
C812
C902
C909
C830
R809
R859
C864
R807
R839
R889
R866
R901
D833
D834
D835
D836
D841
D842
D843
D844
D902
D903
D904
D905
R801
R851
D401
D402
D403
D405
D406
D
4
07
D409
D410
D801
D803
D
8
0
4
D
805
D851
D853
R915
C845
R865
Q908
Q832
R806
R821
C401
R864
C817
C819
R406
R407
R817
R829
R841
R855
R819
Q842
Q831
C831
C833
Q843
NO701
CN806
CN904
R
83
7
R803
R853
C804
C854
C
8
4
4
C
8
94
C842
C892
D831
R833
R813
JW821
JW820
Q401
R401
RY402
R403
C810
Q431
JW
7
01
C841
C891
JW
8
07
Q903
R916
JW822
Q901
IC901
µ
PC 3504 AHF
Q833
R863
IC801
Q805
Q855
C850
C895
R824
D852
D
8
02
C808
C809
C807
R857
R838
C832
C857
R831
R843
R816
R810
R804
R805
C801
NO807
C851
C802
R826
C852
R830
C818
D400
R431
R432
R442
R443
R439
C848
C847
C849
C863
R450
R408
R907
R906
R902
CN804
220p
47k
47k
1k
1k
15k
15k
2SC1841
2SC1841
0.047
PE
0.047
PE
0.047
PE
1000p
2SA988
MTZJ-7-77-5.6
10k
100
50
MTZJ-T-77-33A
1k
10k
13P
BTB
0.01
0.01
47k
1
0.47
50V
10k
47k
0.1
0.1
2SC1841
0
.2
2
/5W
0.22
/5
W
0
.2
2/5W
0
.2
2/5
W
220p
100k
2SC1841
22k
2.2k
22k
22k
680 2W
24V
47k
10 50
1M
100k
2SC1841
220
220
56
56
10k
47k
1k
2200
25
100
16
9P/10P
SCN
2.2k
0.01
0.01
0.01
0.047
PE
0.1
0.1
10
50
10
1/2W
10
1/2W
100 25V
100
1/4W
100k
100k
10k
10k
11ES2-NTA1B
11ES2-NTA1B
11ES2-NTA1B
11ES2-NTA1B
11ES2-NTA1B
11ES2-NTA1B
11ES2-NTA1B
11ES2-NTA1B
11ES2-NTA1B
11ES2-NTA1B
11ES2-NTA1B
11ES2-NTA1B
1k
1k
1SS133T-77
1SS133T-77
1SS133T-77
1SS133T-77
1SS133T-77
1
S
S
13
3
T-7
7
1SS133T-77
1SS133T-77
1SS133T
-77
1SS133T-77
1S
S
133
T-7
7
1
S
S
1
33
T-77
1SS133T
-77
1SS133T-77
22
2200
25
22k
2SA1115TP-EF
2SC2603
3.9k
1W
33k
4.7
50
4.7k
470p
470p
47k
47k
47k
47k
47k
680
2W
68k
2SC2603
DTC124ESA
10 50
10
50
DTC124ESA
3P AMP
1
0k
330
330
22
50V
22
50V
0
.1
100
V
0.1 10
0
V
3300
100V
3300
110V
RBV1306
11k
330
100k
DTA124ESA
330
1W
24V
JW
47
100V
2SC1841
PROTECT
SWITCH
330
50V
330
50V
2SB1375
470
2W
2SC2603
+5V REG
DTA124ESA
DELAY
100k
STK412-240
POWER AMP
2SC2878AB
MUTE
2SC2878AB
MUTE
4.7
100V
4.7
100V
1.2k
MTZJ-T-72-15A
M
TZ
J-T-72
-15
A
0.1
100V
TF
0.1
100V
TF
22
100
100
1/4W
10k
47
50
22
100
100k
100k
10k
47k
33k
3.9k
1W
10
100V
3P
10
100V
470p
47k
470p
47k
0.047
JW
56k
47k
47k
47k
4.7k
0.1
0.1
0.1
2.2
50V
47k
47k
100
100
100k
13P
BTB
2
2
3
1
1
3
2
3
2
1
1
3
6
1
2
6
3
5
5
6
1
2
3
RELAY DRIVE
POWER ON/OFF
Q903,908
-35V REG
STANDBY
SWITCH
Q803,804
DETECT
OVER LOAD
Q801,851
DETECT SWITCH
Q831,832,842,843
TEMPERATURE
STANDBY
SWITCH
FRONT SPEAKER PROTECT
RELAY DRIVE
Q401,402
R
L
+
+
TWEETER&WOOFER
R
L
+
+
SUPER WOOFER
(INPEDANCE USE 6-16
Ω
)
(INPEDANCE USE 6-16
Ω
)
TM401
TM402
Summary of Contents for HCD-XGR88
Page 77: ...77 HCD XGR88 MEMO ...