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HCD-GTR88
HCD-GTR88
31
31
6-14.
SCHEMA
TIC DIAGRAM - MAIN Board (1/3) -
• See page 43 for W
aveforms. • See page 44 for IC Block Diagrams. • See page 48 for IC Pin Function Description.
R402
100
R447
100
100
R491
100
R495
C362 0.1
51
41
11
01
9
8
7
6
5
4
3
2
1
12
13
A
B
C
D
E
F
G
H
I
J
0.1
0.8
0
Q400
RT1N431C-TP-1
B+ SWITCH
B+ SWITCH
RT1N441C-TP-1
Q350
B+ SWITCH
2SC3052EF-T1-LEF
B+ SWITCH
B+ SWITCH
Q354
2SC3052EF-T1-LEF
B+ SWITCH
Q303
2SC3052EF-T1-LEF
B+ SWITCH
Q302
ISA1235AC1TP-1EF
B+ SWITCH
Q301
ISA1235AC1TP-1EF
B+ SWITCH
Q300
Q360
2SD1859TV2Q
+5V REGULATOR
Q230
2SC3052EF-T1-LEF
LED DRIVE
Q582
2SC3052EF-T1-LEF
LED DRIVE
1k
1k
R405
1k
R419
JL493
R353
10k
R356
100k
10k
R430
R354 10k
0.047
C422
R474
10k
R409
C498
0.1
0.1
C543
R497
470
R522 22k
1k
R418
R404
100
R581
15k
0.047
C406
C354
10
16V
R355
100k
470
R485
0.1
C414
0.047
C419
R351
10k
C355
0.1
R507 22k
X401
32.768kHz
R411
220k
KTA1271Y-AT
Q352
0.047
C418
MA2J1110GLS0
D290
JL430
JL429
22k
R465
4.7k
R358
680
X402
8MHz
*R593
*R593
10k
R429
R413
1M
JL428
JL420
R518
22k
R406
MAZ8043GMLS0
D352
50V
2.2
C201
50V
4.7
C102
100
R434
10k
R543
3.3k
R565
R571
R551 10k
R451
100
0.047
C405
R481
1k
*R493
*R493
10k : E2,E51,MX,AR
47k : E2,E51,MX,AR
33k : AUS
47k : E4
6.8k : E4
12k : AUS
15k
100k
R204
R521 22k
C351
10
50V
MA2J1110GLS0
D350
C353
10
50V
R506 22k
100
R467
C352
0.33
R357
2.2k
R505 22k
R519 22k
R352
22k
1k
R407
15k
R597
1k
R421
MC2836
D351
MC2838-T112-1
D566
MC2840-T112-1
D116
MC2840-T112-1
D201
MC2838-T112-1
D571
0.047
C421
0.047
C407
1k
R422
100
R454
100
R453
JL461
10k
R473
JL301
JL302
JL309
JL303
JL308
JL307
JL306
JL305
JL304
JL007
JL004
JL006
JL002
JL013
JL010
JL009
JL005
JL003
JL008
JL001
JL051
JL054
JL056
JL066
JL057
JL062
JL053
JL070
JL065
JL052
JL055
JL069
JL059
JL068
JL058
JL071
JL040
JL064
JL061
JL050
JL067
JL060
JL063
D660
MAZ8056GMLS0
C360
10
50V
R361
330
100
R398
R471
100k
1
2
3
4
5
6
7
8
9
10
11
CN403
11P
LED+9V
WHITE
RED
DGND
METER SW
MGND
IND2
IND1
IND3
IND4
M+5V
100
R435
100
R436
100
R437
R117
R531
1k
R582
1k
C002
1000p
R410
10M
100
R450
Q500
DTA114YKA-T146
B+ SWITCH
R303
680
R301
470
R302
2.2k
R304
47k
R307
10k
R300
470
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
CN405
23P
FL-DATA
FL-CLK
DGND
FL_CS
FL+3.3V
VF
-VG
VF
AD KEY0
SIRCS
EVER+3.3V
STBY LED
SW/USB LED
LED-VOL3,4
LED-VOL5,6
AD_KEY1
LED-VOL1,2
VOL
USB LED CTRL
AD_KEY2
LED GND
SEL A
SEL B
6.3V
C516
3300
2SC3052EF-T1-LEF
Q351
2SC3052EF-T1-LEF
Q353
+4V REGULATOR
15k
R585
100
100
R444
R445
0.1
C466
1
2
3
4
5
6
7
8
9
CN402
9P
DGND
TXD1
RTS1
MCU VCC
CLK1
RXD1
CN VSS
RESET
GND
MAZ8033G0LS0
D467
100
R486
100
R488
10k
R587
R446
100
100
R5F364AEDFA
SYSTEM CONTROLLER
IC401
1
FL-DRIVER-CLK
2
FL-DRIVER-DATA
3
AD SUPPLY SW
4
SIRCS
5
SW-OPEN
6
SW-STOCK
7
8
BYTE
9
CNVss
10
XC-IN
11
XC-OUT
12
RESET
13
X-OUT
14
VSS
15
X-IN
16
VCC
17
NMI
18
M1-
19
20
AC-CUT
21
M1+
22
SW3
23
SW1
24
SW-CHUCK
25
SW2
26
SW-CLOSE
27
28
NC
CDM-SD
29
IIC-CLK
30
IIC-DATA
31
SERIAL TXD1
32
SERIAL RXD1
33
SERIAL CLOCK
34
MTK-XIFCS
35
MTK-TXD
36
MTK-RXD
37
MTK-CLOCK
38
39
39
40
GND
41
TC REC MUTE
42
MTK SUPPLY CTRL
43
FAN HIGH SPEED CTRL
44
VBUS-DET
45
HUB-RST
46
ST-DOUT
47
MTK-OC1
SW SPK RELAY
48
MTK-RST
MTK-BUSY
49
MTK-OE
50
MTK-OC2
51
STK CLK
52
ST-DIN
53
ST-CE
54
100
R460
R542
0
60
51
52
53
54
ST-TUNED
55
EEP-SDA
56
EEP-SCL
57
R2A15216FP-CLK
R2A15216FP-DATA
58
59
60
FR SPK RELAY
61
PROTECT
STK MUTE
62
VCC
63
LINE-MUTE
64
VSS
65
MTK 3.3V MONITOR
66
HP/MIC DET
67
FAN DETECT
68
THERMAL PROTECT
69
POWER ILLUMINATOR
70
VACS-IN
71
OVERVOLTAGE
72
TC-STATE
73
FAN HIGH SPEED CTRL
74
POWER/DISPLAY-KEY
75
STBY RELAY
76
TC_M+9V SW
77
METER-IN4
78
METER-IN3
79
METER IN1
80
METER IN2
81
METER SW
82
82
METER RED LED
83
83
METER WHITE
84
84
LED CONTROL
85
AD-KEY2
86
USB LED CTRL
87
MASTER VOL
88
LED VOL1.2
89
AD-KEY1
90
LED VOL5,6
91
LED VOL3,4
92
MODEL-IN
93
DEST-IN
94
SW/USB
95
STBY LED
96
AVSS
97
AD-KEY0
98
AVREF
99
AVCC
100
FL
DRIVER-CS
C437
47p
100
R438
C438
47p
100
R439
C439
47p
C350
0.1
C436
47p
47p
C434
47p
C435
D362
10EDB40-TB3
D363
JR361
0
10EDB40-TB3
C410
18p
C411
27p
48
78
20
97
R500
100
100
M2-
27
M2-
M2+
M2+
21
81
22
85
470
R489
15k
R589
89
20
7
77
76
75
4
M1-
M1+
1
86
9
67
34
34
63
PROTECT
18
79
6
12
5
72
E4
VACS
ILLUM
2
9
32
33
34
31
47
50
58
59
57
68
43
12
77
78
79
80
81
35
36
37
19
20
6
1
4
82
83
2
1
49
97
4
95
94
91
31
32
33
84
85
86
88
89
100
80
90
95
38
87
90
41
44
17
3
31
5
2
18
66
94
91
87
88
100
R494
100
R490
45
46
12
19
FLASH PROGRAMMING
DISPLA
Y
BOARD CN1
105
(Page 23)
N
5
6
IC401
MAIN BOARD (2/3)
(Page 32)
12
MAIN BOARD (3/3)
(Page 33)
11
2.9
0
0
0
0
3.3
3.0
3.2
0
0
1.6
1.9
2.9
1.5
1.1
3.2
1.4
3.3
3.3
3.5
3.2
3.1
0
0
2.9
0
3.3
0
0.8
3.2
3.5
3.5
3.5
0
1.0
1.5
3.3
1.8
1.6
3.3
3.3
0
0
3.5
0
3.5
0
0
0
0
0
3.5
3.5
3.5
0
2.6
3.3
3.3
3.3
0
0.6
0.2
0
2.6
3.3
3.2
3.3
0.6
3.2
1.6
3.1
3.1
3.3
0
0
3.1
3.2
0
3.3
3.3
2.5
3.1
3.3
3.3
3.3
2.9
3.3
0
0
3.3
0.1
0.8
5.0
8.4
5.6
*
8.9
8.4
8.9
*
8.5
4.4
0.4
4.4
0.3
0
0
3.3
3.3
3.2
4.1
9.3
8.6
7.3
4.1
4.6
0
0.7
3.5
0
3.3
0
MOTOR DRIVER
(METER DISPLAY ASSY)
MAIN BOARD
(1/3)
R401
100
100
R475
R472 100
C472 0.1
30