HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
25
25
6-10. SCHEMATIC DIAGRAM - MAIN Board (1/3) -
• See page 39 for Waveforms. • See page 40 for IC Pin Function Description.
3.3k : GTR 55
6.8k : GTR 77
MA2J1110GLS0
D483
5
1
4
1
1
1
0
1
9
8
7
6
5
4
3
2
1
12
13
A
B
C
D
E
F
G
H
I
J
18
21
0.2
0.8
0(3.3)
Q628
RT1N431C-TP-1
B+ SWITCH
B+ SWITCH
RT1N441C-TP-1
Q215
B+ SWITCH
2SC3052EF-T1-LEF
B+ SWITCH
B+ SWITCH
Q210
2SC3052EF-T1-LEF
B+ SWITCH
Q303
2SC3052EF-T1-LEF
B+ SWITCH
Q302
ISA1235AC1TP-1EF
B+ SWITCH
Q301
ISA1235AC1TP-1EF
B+ SWITCH
Q300
Q698
2SD1859TV2Q
+5V REGULATOR
Q231
2SC3052EF-T1-LEF
LED DRIVE
Q230
2SC3052EF-T1-LEF
LED DRIVE
1k
R428
1k
R424
100
R463
JL092
R215
10k
R211
100k
10k
R330
1M
R412
R212
10k
0.047
C422
100
R474
10k
R409
0.1
C499
0.1
C464
470
R497
R322 22k
1k
R425
R404
100
R381
15k
JL029
0.047
C427
R365
10k
50V
10
C498
C211
10
50V
R213
100k
15k
R394
JL006
0.1
C414
27p
C411
0.047
C424
R218
10k
R492
47k
*R493
C212
0.1
R326 22k
C483
1000p
MA2J1110GLS0
D468
32.768kHz
X401
KTA1271Y-AT
Q212
0.047
C425
MA2J1110GLS0
D694
JL430
220
R468
*R392
R214
680
8MHz
X402
*R393
10k
R329
R325 22k
1k
R427
MAZ8043GMLS0
D211
R391
10k
50V
2.2
C201
JL429
100
R434
10k
R361
0.047
C428
R481
1k
33k
R204
R323 22k
C215
10
50V
MA2J1110GLS0
D212
C213
10
50V
R327 22k
100
R467
C214
0.33
R210
2.2k
JL021
R328 22k
R324 22k
JL007
R216
22k
1k
R426
MA2J1110GLS0
D202
15k
R397
*R493
47k : E4
10k : Except E4
*R393
6.8k : E4
4.7k : Except E4
*R392
0 : GTR 33
JL005
1k
R423
JL093
0.1
C496
MC2836
D213
0.047
C423
0.047
C426
1k
R422
RT1P141C-TP-1
MUTING CONTROL
Q670
100
R462
JL453
JL455
JL457
JL458
JL460
JL461
JL462
100
R431
JL433
JL499
JL301
JL302
JL309
JL303
JL308
JL307
JL306
JL305
JL304
JL407
JL404
JL406
JL402
JL411
JL503
JL502
JL405
JL403
JL408
JL401
JL432
JL464
JL427
JL417
JL426
JL421
JL465
JL413
JL418
JL431
JL428
JL414
JL424
JL415
JL425
JL412
JL434
JL419
JL422
JL466
JL416
JL423
JL420
D696
MAZ8056GMLS0
C660
10
50V
R237
330
100
R398
100
R399
3.3k
R235
4.7k
R236
1
2
3
4
5
6
7
8
9
10
11
11P
CN403
LED+9V
WHITE
RED
DGND
METER SW
MGND
IND2
IND1
IND3
IND4
M+5V
100
R439
100
R440
100
R441
MC2840-T112-1
D201
1
2
3
4
CN404
4P
SEL A
SEL B
METER LED CTRL
LED GND
R483
22k
R484
100k
1k
R530
1k
R531
JL514
JL523
R410
10M
220k
R411
10k
R543
Q627
DTA114YKA-T146
B+ SWITCH
680
R303
470
R301
2.2k
R302
47k
R304
R307
10k
470
R300
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
23P
CN405
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
MA2J1110GLS0
D484
6.3V
C417
3300
JL500
2SC3052EF-T1-LEF
Q214
2SC3052EF-T1-LEF
Q211
+4V REGULATOR
100
R491
100
R380
JL459
100
R466
0.1
C322
1
2
3
4
5
6
7
8
9
9P
CN402
DGND
TXD1
RTS1
MCU VCC
CLK1
RXD1
CN VSS
RESET
GND
MAZ8033G0LS0
D650
470
R494
15k
R395
GTR55/77
470
R495
R364
10k
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
C439
47p
0.1
C219
100
R432
C438
47p
47p
C434
47p
C437
C440
47p
D500
10EDB40-TB3
D502
10EDB40-TB3
JL524
JL525
JL547
18p
C410
100
R390
C390
0.1
C278
0.1
27p
C411
48
78
26
20
97
M2-
23
81
22
85
20
M2+
77
4
M1-
M1+
1
3
86
9
67
34
34
24
63
61
25
79
27
12
12
5
72
28
2
9
32
33
34
31
47
AUDIO_DATA
AUDIO_CLK
57
68
43
12
73
72
77
78
79
81
35
36
37
39
65
19
20
22
24
23
1
4
39
31
3
2
49
97
4
95
94
91
43
31
32
33
69
84
80
86
87
1
80
90
95
38
85
85
90
41
69
44
17
2
5
3
66
94
91
87
84
45
12
PROTECT
19
FLASH PROGRAMMING
GVX1S
2.7
0.7
0
0
0
3.3
3.3
0
0(3.8)
0
1.7
3.3
4.0(2.9)
3.2
0.1(3.3)
0
3.4
4.2(3.4)
0
0
3.3
3.3
3.3
3.2
3.2
3.3
3.0
0.8
3.5
0
0
0
1.1
1.5
3.3
1.8
1.5
3.3
3.3
0
2.5
3.5
0
3.5(0)
0
0
0
0
3.5
3.5
3.5
3.5
3.1
0
3.4
3.4
3.3
0
2.3
0.2
0.4
0(3.3)
0(2.8)
0
3.3
0
0(1.6)
3.3
1.7
1.4
3.3
0
0
3.1
*(0.5)
0.1
3.2
0(3.1)
3.1
0(3.1)
3.3
3.3
0
0
3.5
3.3
3.3
3.3
3.5
0.1
0.8
5.3
8.9
5.6
*
8.9
8.5
8.9
*
8.6
4.4
0.4
4.5
0.4
0
0
3.3
3.3
3.3
4.1
9.3
8.7
7.8
4.1
4.7
0
0.7
3.5
0
3.3
0
-3.0
3.7
3.3
GTR55/77
GTR55/77
GTR33
GTR55/77
MOTOR DRIVER
(METER DISPLAY ASSY)
MAIN BOARD (1/3)