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HCD-GT22/GT44/GT55
41
41
HCD-GT22/GT44/GT55
7-17. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
15
0
1.9
0
15.7
15
0
0
15.7
15.7
15
0
0.7
0.1
9.1
0
0.6
0.7
0
0
4.1
4
4.1
4.1
4.1
4
8.4
3.3
3.3
0
0.6
0.6
0
0
4.1
4.1
4.1
4.1
4.1
4.1
3.3
12
15.7
9.1
9.1
15.7
0.3
1.9
8.4
0.2
12
5.4
100
R064
1
12
3
4
5
6
7
8
9
10
11
CN001
12P
AC-F3
-VFL
AC-3
AC-4F
AC-4
VF
VF
D-GND
EVER_10
STBY-RELAY
AC-P
0.01
C026
0.01
C027
2W
1k
R060
100
R063
2W
1k
R059
RT1N141C-TP-1
Q011
22k
R013
25V
2200
C023
0.1
C010
25V
2200
C013
10EDB40-TB3
D012
25V
6800
C008
0.1
C022
TA7809S
IC011
2
3
25V
100
C015
TA78033LS
IC006
1
2
3
22k
R010
22
R001
10EDB40-TB3
D011
10EDB40-TB3
D013
10EDB40-TB3
D024
0.1
C021
0.1
C001
10k
R014
TA7809S
IC021
2
3
50V
22
C007
25V
100
C025
UDZW-TE17-4.7B
D007
10k
R293
10EDB40-TB3
D023
0.1
C002
MA111-TX
D006
100k
R016
10EDB40-TB3
D014
470k
R052
0.1
C276
50V
4.7
C279
2.2k
R263
10k
R262
50V
10
C259
47k
R267
470
R291
2SC3052EF-T1-LEF
Q252
R252
∗
2.2k
R264
47k
R286
4.7k
R278
22p
C253
16V
47
C258
22p
C254
16V
47
C257
R253
∗
100k
R276
2SC3052EF-T1-LEF
1k
R280
16V
470
C263
470p
C275
R254
∗
50V
4.7
C278
15k
R279
4.7k
R268
470
R255
47p
C251
1000p
C264
10k
R261
470
R256
R251
∗
470
R292
50V
10
C260
47p
C252
2.2k
R281
R274
33k
2SC3052EF-T1-LEF
Q251
RT1P141C-TP-1
Q261
4.7k
R043
1/2W
22
R039
4.7
R046
2.2k
R050
4.7k
R035
2SC3052EF-T1-LEF
Q041
22
R048
KTA1271Y-AT
Q042
2SC3052EF-T1-LEF
Q045
22k
R054
16V
100
C033
50V
4.7
C034
2SC3052EF
-T1-LEF
Q044
1
2
3
3P
CN041
FAN+
FAN-
FAN+
4.7k
R036
220k
R049
10k
R042
JW001
10
R061
2.2
R047
2.2k
R055
KTA1266GR-AT
Q043
22k
R053
1k
R057
2.2k
R051
1k
R045
25V
47
C035
10EDB40-TB3
D021
10EDB40-TB3
D022
E
EP031
22k
R034
1k
R032
22k
R033
4.7k
R037
8p
C277
50V
10
C282
16V
47
100
R265
MA111-TX
D031
D2SB60A-F04
D001
1
2
3
4
0.1
C274
0.01
C273
120k
R285
100k
R277
MC2837
D008
1
2
3
3P
CN002
USB-MONI
AC3-UNREG
GND
NJM4558V-TE2
IC251(1/3)
3
2
1
NJM4558V-TE2
IC251(2/3)
5
6
7
NJM4558V-TE2
IC251(3/3)
8
4
IC252(1/3)
NJM4558V-TE2
3
2
IC252(2/3)
NJM4558V-TE2
5
6
7
IC252(3/3)
NJM4558V-TE2
8
4
1
3
4
CN271
4P
SW-SIG IN
SW-SIG GND
SW ON/OFF
MC2836
D036
MC2838-T112-1
D037
MC2838-T112-1
D009
JW002
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN031
GND(AC-3-RELAY)
NC
STK_MUTE
POWER-GND
UNREG 16V
IN-L
AMP-A-GND
IN-R
PROTECT
HP R-OUT
HP-GND
HP L-OUT
2SC3052EF-T1-LEF
47k
R289
R290
47k
16V
100
C289
S
2SK2158-T2B
Q046
P-RELAY
PROTECT
FSP-RELAY
R-OUT
SW-ON
ACP
SYS-M
STK-M
PROTECT
U-MONI
24
19
14
25
20
15
10
21
16
11
22
17
12
23
18
13
35
37
36
38
9
MAIN BOARD (4/4)
+3.3V REGULATOR
IC006
+9V REGULATOR
IC011
+9V REGULATOR
IC021
BUFFER
IC251
A
19
10
1
2
J
H
B
13
11
L
C
7
8
I
14
F
9
6
K
4
18
15
16
3
G
D
5
17
E
12
SUB WOOFER
SWITCH
MUTING
IC252
LINE AMP
∗
R279
18k(GT44)
15k(GT55)
MUTING CONTROL SWITCH
(GT44/GT55)
MUTING
MUTING
∗
R254
10k(GT22/GT55)
4.7k(GT44)
5.6k(GT22)
∗
R252
2.7k(GT44)
4.7k(GT55)
∗
R253
10k(GT22/GT55)
4.7k(GT44)
∗
R251
5.6k(GT22)
2.7k(GT44)
4.7k(GT55)
PROTECT DETECT
Q043-045
FAN MOTOR DRIVE
B+ SWITCH
Q041,042
FAN MOTOR DETECT
(GT22/GT55)
(GT44)
(GT22/GT55)
(GT44)
(CHASSIS)
+
M001
-
(FAN)
M
C283
M
N
11EQS04-TB5
D005
50V
10
C031
0.1
C030
0.1
C029
BA50BC0T
IC007
1
3
2
50V
C032
10
4.7k
R008
4.7k
R009
GND
USB-MONI
AC3-UNREG
5V REG BOARD
+5V REGULATOR
IC007
1
3
~
~
VBUS-GND
VBUS-5V
FAN+