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HCD-GT111/GT222/GT444/GT555
HCD-GT111/GT222/GT444/GT555
4
4
2-2. SCHEMATIC DIAGRAM - JACK Section -
BOARD
J
CN488
(3/4)
MAIN
CN470
A
BOARD
MAIN
(1/4)
W
USB
(Refer to page
33 on original
service manual)
(Refer to page
43 on original
service manual)
CN1108
N
CN903
BOARD
DISPLAY
BOARD
BOARD
POWERAMP
Q
(2/2)
NO800
BOARD
G
MAIN
(3/4)
CN600
4.4
4.4
4.4
4.4
4.5
4.4
9
16.8
9
IC700
4.7k
R704
50V
2.2
C720
NO701
4P
R709
1k
50V
C718
0.1
C700
0.1
50V
2.2
C713
1.5k
R706
330p
C719
+
-
5
6
7
180p
C722
47p
C712
C714
1000p
NJM4558V-TE2
IC700(3/3)
8
4
+
-
NJM4558V
-TE2
IC700(1/3)
3
2
1
50V
2.2
C716
C705
0.1
C721
0.1
220k
R714
1000p
C717
18k
R712
1000p
C704
100
R715
R700
1k
100k
R716
4.7k
R705
100k
R701
100
R713
C709
220p
C715
1000p
R707
220k
L
R
R710
1k
6.3V
100
C711
10k
R711
R708
220k
16V
C710 10
TP714
1000p
C702
1000p
C708
1
100k
R720
18k
R718
10k
R722
47k
R721
18k
R723
TP712
C707
50V
2.2
R702
10k
10k
R719
TP707
TP706
TP705
TP704
TP703
TP702
TP701
TP700
MC2837
D702
C703
0.1
C701
0.1
TP711
TP713
D701
MC2837
NO700
8P
A+9V
MIC SIGNAL
MIC GND
AUX-L
AGND
AUX-R
AGND
HP/MIC DET
MIC BOARD
NO702
(CHASSIS)
R
L
D
B
6
5
3
1
C
E
H
F
G
4
A
2
11
12
10
8
9
7
POWER
GND
NJM4558V
-TE2
IC700(2/3)
MIC AMP
RV700
50k
MIC LEVEL
1
2
3
4
HP-L
HP GND
HP-R
CHASSIS
J700
MIC
J701
AUDIO
INPUT
J702
PHONES
1
2
3
4
5
6
7
8
TP1010
TP1006
TP1002
C1002
10
TP1007
1k
R1004
TP1003
TP1001
TP1000
TP1008
TP1005
1k
R1002
1k
R1001
1k
R1005
TP1009
TP1004
10V
C1001 220
C1003
0.1
TP1011
4P
CN1000
1
4
1L434FV22D0TDF01
D1003
3P
NO1000
MC2837
D1001
MC2837
D1002
1L434FB12E0MDTZ1
D1000
6P
NO1001
MAZ8068GMLS0
D1004
D1000, 1003
(USB)
USB CONNECTOR BOARD
NO1002
(CHASSIS)
(CHASSIS)
(USB)
SEL A
SEL B
USB LED CTRL
VBUS
D-
D+
GND
SHIELD
1
2
3
1
3
4
5
6
MA2J1110GLS0
D890
RY890
1.7uH
L890
10
R894
10
R893
10
R902
10
R901
10
R873
10
R880
10
R876
10
R900
0.1
C836
0.1
C841
+
-
JK890
6P
CN890
SW JACK BOARD
(GT444/GT555)
SW-SP_GND
SW-SP_GND
SW OUT
SW OUT
RLY+
RLY-
SUBWOOFER
1
2
3
4
5
6
3P
NO080
UNREG16V
GND
M+9V
0.1
C080
I
O
COM
1
3
2
9V REG BOARD
1
3
2
TA7809
IC080
+9V REGULATOR
IC080
10V
100
C081
(Page 8)
(Page 11)
(Page 8)
(Page 6)