Schematic Diagram - Main Section (4/4) - Sony HCD-GT22 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-17. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
1 2 3
MAIN BOARD (4/4)
A
∗
R252
5.6k(GT22)
2.7k(GT44)
4.7k(GT55)
B
C
D
CN002
3P
USB-MONI 1
AC3-UNREG 2
E
GND 3
35
8
F
38
MAIN
BOARD
36
(3/4)
37
(Page
R265
100
40)
G T E
L 1 3 9 4 2 2 9 6 5 1 3
(Page
39)
11
H
14
7 10
12
MAIN
BOARD
(2/4)
13
9
I
4
15
MAIN
BOARD
(1/4)
(Page
38)
J 16
18
5
17
MAIN
23
BOARD
(2/4) 19
(Page
20
21
39)
K
22
1
MAIN
BOARD
(1/4)
24
(Page
25
38)
L
M
5V REG BOARD
w w w
R008
C
4.7k
VBUS-5V
VBUS-GND
USB
BOARD
CN901
5.4
(Page
N
33) C030
C032
R009
10
4.7k
50V
HCD-GT22/GT44/GT55
4 5 6 7 8
∗ R254
10k(GT22/GT55)
4.7k(GT44)
C260
C258
10
47 R256
R252 R254
50V
16V ∗ ∗ 470
IC251(1/3)
C252 NJM4558V-TE2 R262
C254
47p
10k
22p
4.1 2
R292
4.1
470
4.1
1
3
IC251(2/3)
NJM4558V-TE2
C259
R291
10
R255
470 4.1
5
50V
+ 4.1 470
4.1 6
- 7
C251 C253
47p 22p
8
8.4
C257
POWER C264 C263
47 R251 R253
1000p 470
16V ∗ ∗
IC251(3/3) GND 16V
NJM4558V-TE2
4
∗ R251 ∗ R253 IC251
5.6k(GT22) 10k(GT22/GT55)
2.7k(GT44) 4.7k(GT44)
4.7k(GT55) BUFFER
IC006
+3.3V REGULATOR
JW002
IC006 TA78033LS
D008 3.3 1 12
2
MC2837 O I
G
C007
C008
22 3
6800
50V
25V
IC011
+9V REGULATOR
IC011
TA7809S
9.1 2 1 15.7
O I
G
R010 3
22k
C015
R001
100
R293 22
25V
10k
IC021
TA7809S
R013
22k 2
9.1 1 15.7
O I
G
3
R014 C025
100
10k
25V
IC021
+9V REGULATOR
PROTECT
D009
Q011
MC2838-T112-1
RT1N141C-TP-1
1.9 PROTECT DETECT
0.3
C010
R016
D007
100k 0.1
UDZW-TE17-4.7B
ACP
P-RELAY
IC007
USB-MONI
+5V REGULATOR 1
x a o
IC007 AC3-UNREG
y
BA50BC0T
GND
3
12
OUT VCC
3 1
GND
. C029 i
2 0.1
0.1 0.2
C031
10
50V
http://www.xiaoyu163.com
9 10 11 12
R278
4.7k
C274
0.1
C277
8p
R-OUT C276
0.1
Q252
2SC3052EF-T1-LEF
0
MUTING
R281
0.6 2.2k
R264 Q261
2.2k R274
RT1P141C-TP-1
33k
MUTING CONTROL SWITCH
R263 R268
2.2k 4.7k
0.6 3.3 3.3
Q251
2SC3052EF-T1-LEF
0 MUTING
IC252(3/3)
0 R290
NJM4558V-TE2 47k
C278
8.4 8
4.7
50V
POWER
C283
C279
R261
R267 47 GND C289
10k 4.7 R052
47k 16V 4
100
50V 470k
16V
C002
D001
D2SB60A-F04 0.1
15.7
1
~
3 4
~
2
R042
10k
C001
0.1
Q041,042
B+ SWITCH
R057
1k
FSP-RELAY 0.7
Q Q
3 7 6
C013
2200
25V
2SC3052EF-T1-LEF
C023
2200
25V
R064 100
R063 100
u 1 6 3
41 41
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2 4
8 9 9
13 14 15 16
C273
R279 ∗
0.01 R279
15k 18k(GT44)
15k(GT55)
R285
IC252(1/3)
120k
NJM4558V-TE2
2
4.1 4.1 6
4.1 4
4 4.1 5
1 7
3 R277
100k
IC252(2/3) C282
NJM4558V-TE2 10
50V
R280
1k
R276
100k
2SC3052EF-T1-LEF
IC252
SUB WOOFER
SWITCH
LINE AMP
0
0.7
2SC3052EF-T1-LEF
MUTING 0
0.6
R289
47k R286
47k
R039
22
JW001 1/2W
15.7
Q043-045
FAN MOTOR DRIVE
Q042
0
KTA1271Y-AT
Q043
15
0
KTA1266GR-AT
D036
MC2836
0 9.1
R045
1k
15
C033
100
15.7
16V
15
R053 Q044
R043
4.7k 22k
2SC3052EF
0 -T1-LEF
Q045
2SC3052EF-T1-LEF
0
0.1
R061
R046
10
4.7
R050
R048
R055 2.2k R047
3 1 5 1 5 0 8 9
22
2.2k R051 2.2
2.2k
C035 R054
Q041 47 22k
25V
Q046
2SK2158-T2B
FAN MOTOR DETECT
D037
MC2838-T112-1
0
R036
D031 R035
R033 4.7k 1.9
4.7k
MA111-TX
22k
R034
22k
PROTECT
R032
STK-M
1k
R037
4.7k
R059
R060
1k
1k
2W
2W
C027 0.01
C026
0.01
m
c o
.
HCD-GT22/GT44/GT55
2
8 9 9
17 18 19
(GT44/GT55)
CN271
4P
L
1 SW-SIG IN
3 SW-SIG GND
SUB WOOFER
4 SW ON/OFF
BOARD
CN501
(Page
49)
C275
470p
CN041
3P
FAN+
+
3 FAN+
M M001
2 FAN- (FAN)
-
1 FAN+
R049
220k
C034
2 4.7 4 9 8 2 9 9
50V
CN031
13P
13 HP L-OUT (GT22/GT55)
12 HP-GND
11 AMP
HP R-OUT
M1
BOARD
10 RELAY_B+
CN441
9 PROTECT
(Page 45)
8 IN-R
7
AMP-A-GND
6 IN-L
AMP
5 UNREG 16V M2
BOARD
4 CN441
POWER-GND
3 STK_MUTE
(Page 47)
2 NC
1 GND(AC-3-RELAY)
(GT44)
EP031
(CHASSIS)
(GT22/GT55)
CN001
12P
12
-VFL
TRANS
N1
11 AC-P BOARD
CN907
10 STBY-RELAY
9
EVER_10 (Page 55)
8
D-GND
7 VF
6 VF TRANS
N2
BOARD
5
AC-4
CN907
4 AC-4F
(Page 57)
3 AC-3
1
AC-F3
(GT44)