Schematic Diagram - Subwoofer Board - Sony HCD-GTR6 Service Manual

HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
5-30. SCHEMATIC DIAGRAM — SUBWOOFER BOARD —
1 2
A
SUBWOOFER BOARD
B
GTR7
TB802
2
BTL SW-
1 GTR8/GTR8B
BTL SW+
JW885
5.0MM
C
TB801
1
SW R GND-
2
SW R+
SUBWOOFER OUT
3
SW L GND-
4
SW L+
GTR7
GTR8/GTR8B
D JW884
17.5MM
E
GTR7/GTR8/GTR8B
CN803
7P
JL837
7
SW-DC DET
L
JL836
SW-OVERLOAD 6
JL835
SW R-GND 5
FRONT
F
JL834
BOARD +VL 4
NO1301 JL833
-VL 3
(Page 38)
JL832
SW L-GND 2
JL831
1
SW PWR GND
G
H
I
J
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
• Refer to page 22 for Block Diagrams.
3 4 5 6
GTR7/GTR8/GTR8B
GTR7/GTR8/GTR8B
EXCEPT MX
R836
10
R830
10
L830
C847 0
0.1
C846 JW830
0.1
5.0MM 5 6
3 4
R880 JW880
10 5.5MM
1 2
L880 R860
C897
R810 47k
0
0.1 RY862
39k
RELAY
C896
0.1 R886
10
D811
MA2J1110GLS0
EXCEPT MX
JL842 JL841
• Refer to page 59 for IC Block Diagrams.
7 8 9
IC B/D
IC800
SUBWOOFER POWER AMP
IC800 STK433-100-E : GTR7
IC800 STK433-130-E : GTR8/GTR8B
1 2 3 4 5 6 7 8
C826
R838
R828
100
0.22 100
63V
R827
R808
100
1/4W
C808 10p
R839
C858 10p
*2
*2
2.7k: GTR7
Q800
2.2k: GTR8
2SC3906K-T146E
OVER LOAD
*3
DETECT
22k: GTR7/GTR8
R840 R893
*3 47k
*6
JL843
JL847
270k: GTR7
JW859
180k: GTR8 7.5MM
R841
*6
C892
4.7
50V
GTR7
JL846
JL844
R891 R890
*3
*6
C825
100
JL845
Q850 63V
2SC3906K-T146E
OVER LOAD
R889
DETECT
*2
52 52
10 11 12
*1
47k: GTR7
68k: GTR8/GTR8B
EXCEPT MX
R815
9 10 11 12 13 14 15
47
Q821
KTA1273-Y-AT
R816
SWITCH
47
JL895
C803
100p C853
R817
100p
47 R819
4.7k
R851
*1
R801
*1
JL894
C801
Q824
R818
1000p
100k 2SC3052EF-T1-LEF
C851
SWITCH
1000p R814
5.6k
JL896
R822
1k
JL893
Q825
2SC3052EF-T1-LEF
R804
FAN SWITCH
1
JW812
17.5MM
R802 R800 R850
R852
1k *5
*4 1k
C802 C852
C800
4.7 4.7
47
50V
50V
10V
JW882
5.0MM
JW886
5.0MM
GTR7
*4
680: GTR7
470: GTR8/GTR8B
*5
1k : GTR7
470: GTR8/GTR8B
13 14 15
M893
DC FAN
JL224
1 FAN+
C818 C819 2 FAN-
47 0.1
25V
3
JL825
Q822
CN820
2SC3052EF-T1-LEF
SWITCH 3P
C820
0.1
JW813
17.5MM
GTR8/GTR8B
1 FAN HI SPEED
G
FAN GND
2
JL821
3 SW RELAY-
MAIN
JL823
4 UNREG
BOARD
JL824
CN550
5 STK MUTE
(4/5)
SW-L IN
6
(Page 43)
JL827
AGND
7
SW-R IN
8
GTR7
CN802
8P
JW891
JL891
5.0MM
H
1 FAN HI SPEED
FAN GND
2
MAIN
SW RELAY -
3
BOARD
UNREG
4 CN551
(4/5)
STK MUTE
5
(Page 43)
6 SW-IN
7 AGND
CN801
7P
GTR7