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HCD-GTR88
HCD-GTR88
33
33
6-16.
SCHEMA
TIC DIAGRAM - MAIN Board (3/3) -
• See page 43 for W
aveforms. • See page 44 for IC Block Diagrams. • See page 48 for IC Pin Function Description.
1
2
3
4
AC CUT DETECT
STBY RY
STBY RY GND
EVER+10
1
2
3
4
5
6
7
8
9
10
Fan Supply
VF-
VF+
-VG
AC3
AC3
AC3
AC3
AC3
AC3
MA2J1110GLS0
D010
IC065
IC040
IC200
SI-8001FFEK
IC055
Q696
2SD1859TV2Q
C607
0.1
C606
0.01
C605 0.01
D10XB60 F
D600
JL670
25V
3300
C608
14
18
17
15
18
4
5
JL011
JL014
JL666
JL667
JL665
JL664
JL012
JL013
JL663
JL669
R051
1k 2W
R001
1k 2W
1/2W
1/2W
R608 3.8k
22k
R606
JL680
10
11
0
R609
22k
R607
C041
10V
100
C021
10V
100
0.1
C040
0.1
C602
R104 220k
R154
JR020
0
220k
1
2
3
4
5
6
7
8
9
9P
CN090
AVDD5V
AGND
DVDD5V
DGND
3.3V
MGND
9V
USBGND
USB5V
JL656
JL655
JL654
JL653
JL652
JL651
JL650
JL657
JR687
10V
100
C603
RB055L-40TE25
D081
RB055L-40TE25
D091
10EDB40-TB3
D623
10EDB40-TB3
D624
IO
G
G
KIA7809API-U/PF
KIA7809API-U/PF
A+9V REGULATOR
IC200
IO
FAN 12V REGULATOR
IC040
CN691
4P
50V
10
C699
R103 27k
R153 27k
1k
R036
2SC3052EF-T1-LEF POWER CONTROL
Q090
MC2838-T112-1
D699
R077
4.7k
R078
4.7k
0.1
C073
2SC3052EF-T1-LEF FAN MOTOR DRIVE
Q600
R685
2.7k
KTA1271Y-AT
Q602
R684
2.7k
R612
10k
R604
1k
G
R
L
RED
WHT
J020
1
234
6
5
SI-8008TM-TLS
USB
+5V
REGULATOR
IC065
VIN
VOUT
GND
INV
STBY
330
R081
470
R082
2.2k
R086
JL681
JL682
2.2k
R083
47uH
L083
22
R005
C005 2200p
JR688
0
JR001
0
0
35V
470
C090
50V
C077 2.2
47uH
L092
1
2
3
4
5
M+9V REGULATOR
VIN
VOUT
GND
INV
STBY
8.2k
R092
0
R093
470
R090 330
R091
150
R002
12k
R079
150
R052
330
R666
470
C083
16V
470
C092
+5V REGULATOR
JL658
JL538
JL092
JL093
100p
C507
100p
C557
0.47
C120
6
1
49
60
PROTECT
75
21
22
43
3
2
31
PC-L
PC-R
USB_5V
PC IN
16
13
7
32
JL618
JL626
1
2
3
3P
CN600
FAN+
FAN+
FAN-
JL679
M101
DC FAN
*R027
*R029
*R026
*R026,
3.3k : AUS, E4
5.6k : E2, E51, MX, AR
*R028
*R028
*R027,
5.6k : AUS, E4
4.7k : E2, E51, MX, AR
*R029
JL047
JL046
JL043
JL041
JL048
JL044
JL049
JL045
JL042
1
2
3
4
5
6
7
8
9
9P
CN220
ST-L
ST+9V
ST-R
GND
TUNED
ST-CE
ST-DIN
ST-CLK
ST-DOUT
52
51
54
53
46
ST-L
ST-R
JL085
JL090
JL081
JL082
JL087
JL083
JL080
JL088
JL089
JL084
JL086
1
2
3
4
5
6
7
8
9
10
11
11P
CN200
M+9V/UNREGULATE
MAIN GND
FL-IN
AGND
FR-IN
PROTECT
STK-MUTE
FRONT RELAY
HP-GND
HP-L
HP-R
D692
MAZ8056GMLS0
FAN MOTOR DRIVE
IC B/D
IC055
9.0
18.6
3.3
8.9
19.0
5.3
0.8
3.6
18.6
14.5
19.0
3.7
7.3
5.6
7.5
0
0
3.6
0
12.1
0.2
12.1
12.1
MAIN BOARD
(3/3)
123456789
1
0
1
1
14
15
12
13
A
B
C
D
E
F
G
H
I
J
SUBTRANS
BOARD NO1203 (Page 38)
POWER AMP
BOARD CN1300 (Page 29)
E
D
SUBWOOFER
BOARD CN804 (Page 40)
B
M
A008
E
(CHASSIS)
ET602
E
(CHASSIS)
ET100
E
(CHASSIS)
MAIN BOARD (2/3)
(Page 32)
13
DMB19
BOARD
(3/3)
CN601
(Page 27)
S
MAIN BOARD (2/3)
(Page 32)
15
MAIN BOARD (1/3)
(Page 31)
11
POWER AMP
BOARD
CN1303
(Page 29)
C
FM 75
:
ANTENNA
AM
TUNER
COAXIAL
(FM/AM)
JL101
JL102
JL103
JL104
JL105
JL106
1
2
3
4
5
6
CN100
10P
CN550
6P
SW RELAY
UNREG/ M+9V
STK MUTE
SW-L IN
AGND
SW-R IN
Q030
Q031
R032
M
R030
M
Q245
Q245,
Q295
Q295
R294 1k
R244 1k
C555 470p
%
R
48
67
60
63
10V
470
C083
470 25v
C081
0.1
C074
0.1
C074
SI-8008TM-TLS
IC075
RB055L-40TE25
D096
35V
470
C095
47uH
L097
1
2
3
4
5
D+3.3 REGULATOR
VIN
VOUT
GND
INV
STBY
1.5k
R097
22k
R099
1k
R096
470
R094 330
R095
10V
470
C097
JL097
JL098
IC075
18.6
14.5
19.0
3.7
0.1
C100
C014
2200p
50V
C277
10
2SC3052EF-T1-LEF
Q033
R229
1k
50V
C227
10
R276 47k
R279
1k
2SC3052EF-T1-LEF
MUTING
RELAY DRIVE
RELAY DRIVE
MUTING
Q220
2SC3052EF-T1-LEF
Q270
R033
1k
R035
1k
2SC3052EF-T1-LEF
Q032
AC-CUT
59
C554 470p
C504 470p
AC-CUT
AC-CUT
AC-CUT
Q290
RT1P141C-TP-1
MUTING CONTROL
2SC3906K-TI46E
RELAY DRIVE
2SC3052EF-T1LEF
2SC3052EF-T1LEF
MUTING
RELAY DRIVE
R295
470k
R296
2.2k
30
0
-3.0
-3.0
0.1
0
0.8
0
0.8
0
2.9
8.9
2.7
2.9
3.3
-3.0
3.7
-3.0
0
-3.0
0
IC B/D