HCD-GTZ2/GTZ2i/GTZ3/GTZ3i
HCD-GTZ2/GTZ2i/GTZ3/GTZ3i
23
23
5-10. SCHEMATIC DIAGRAM - MAIN Board (1/3) -
• See page 40 for Waveforms. • See page 43 for IC Pin Function Description.
3.4
0
3.4
3.3
0
3.4
0
9.2
4
8.5
7.6
4.6
4
0
0.7
3.3
0.4
3.3
3.4
0
3.4
0
3.3
3.3
3.3
0
0
3.2
3.2
0.2
0.2
0.2
3
0.3 (3.2)
0.1
3.2
0
3.2
0
3.1
3.2
3.3
0.4
3.3
0
0
0
3.3
3.3
0 (3.2) <3.2> {3.2}
0
0
3
3.3
1.6
0.3 <1.3>
00
3.3
3.3
0
0
0
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
2.7
0
0
0
3.3
2.5
0.8
2.8
1.6
1.4
2 <3>
3.3
0
0
0
0.6
1.4
3.3
1.8
1.5
3.3
3.3
0
2.5
3.4
0
0
0
0
0
3.4
3.4
3.4
3.4
3.4
3.3
3.3
2.6
3.2
0
1k
R428
1k
R424
100
R463
JL092
R576
0
R215
10k
R211
100k
10k
R330
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
C21
1
10
50V
1k
R491
R213
100k
15k
R394
JL006
10k
R250
0.1
C414
0.047
C424
R218
10k
22p
C411
R492
C212
0.1
100
R450
R326
22k
C483
470
R494
JL020
MA2J1110GLS0
D468
32.768kHz
X401
KTA1271Y-AT
Q212
R675
10k
0.047
C425
MA2J1110GLS0
D694
JL430
220
R468
R392
100
R466
R214
680
R393
10k
R329
R325
22k
470
R495
1k
R427
MAZ8043GMLS0
D211
R391
10k
50V
2.2
C201
JL429
100
R434
100
R476
10k
R361
0.047
C428
1k
R490
R481
1k
R493
33k
R204
R575
0
R323
22k
15k
R395
C215
10
50V
MA2J1110GLS0
D212
C213
10
50V
2SC3052EF-T1-LEF
Q211
R327
22k
RT1N431C-TP-1
Q628
100
R467
100
R433
C214
0.33
R210
2.2k
JL021
R328
22k
R324
22k
22p
C410
RT1P431C-TP-1
Q447
2SC3052EF-T1-LEF
Q210
JL007
R216
22k
1k
R426
MA2J1110GLS0
D202
Q627
KTA1271Y-AT
15k
R397
JL005
1k
R423
JL093
0.1
C496
100
R475
MC2836
D213
Q215
RT1N441C-TP-1
MA2J1
110GLS0
D483
1
2
3
4
5
6
7
8
9
9P
CN402
DGND
TXD1
RTS1
MCU VCC
CLK1
RXD1
CN VSS
RESET
GND
0.047
C423
0.047
C426
1k
R422
2SC3052EF-T1-LEF
Q214
RT1P141C-TP-1
Q670
100
R462
JL453
JL455
JL457
JL458
JL460
JL461
JL462
100
R431
JL433
10k
R452
R390
10k
JL499
10k
R451
10k
R453
JL500
JL301
JL302
JL309
JL303
JL308
JL307
JL306
JL305
JL304
JL432
JL464
JL427
JL417
JL426
JL421
JL465
JL413
JL435
JL418
JL431
JL428
JL414
JL424
JL415
JL425
JL412
JL434
JL419
JL422
JL436
JL466
JL416
JL423
JL420
100
R398
100
R399
3.3k
R235
4.7k
R236
100
R435
100
R436
100
R438
100
R437
6.3V
C416
470
100
R439
100
R440
100
R441
MC2840-T112-1
D201
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1
2
3
4
4P
CN404
SEL A
SEL B
METER LED CTRL
LED GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CN405
SW/USB_LED
USB LED CTRL
NO USE
VF
-VFL
VF
DGND
FL+3.3V
AD KEY0
AD KEY1
AD KEY2
VOL
JOG
FL-CS
FL-DATA
FL-CLK
SIRCS
LED1
LED2
LED3
LED CTRL
STBY LED
EVER +3.3V
LED GND
LED+9V
SEL B
SEL A
JL437
JL438
R483
100k
R484
JL514
JL523
R410
10M
220k
R411
4
3
2
1
IC675
BR24S16FJ-WE2
R627
47k
X402
R628
10k
91
78
53
75
M2-
33
95
23
PROTECT
87
20
M2+
77
94
M1-
3
86
67
76
24
63
65
25
51
79
5
72
52
19
AUDIO_CLK
68
97
95
94
87
86
85
4
79
78
77
69
72
73
31
32
35
36
37
3
70
39
91
97
90
85
69
57
54
70
12
4
90
44
45
34
34
43
47
48
46
39
42
43
31
34
33
32
12
M1+
22
26
27
28
20
AUDIO_DATA
61
66
12
12
EEPROM
IC675
5MHz
(1/3)
MAIN BOARD
1
2
3
4
5
19
18
20
21
17
22
150 (GTZ3)
4.7k (GTZ2i/GTZ3i)
R392
0 (GTZ2)
(GTZ2/GTZ3)
(GTZ2i/GTZ3i)
Q211, 212
+4V REGULATOR
Q210, 214, 215
RESET SWITCH
MUTING CONTROL
LEVEL SHIFT
(NC)
BLOCK
METER
DISPLAY
Q627, 628
B+ SWITCH
(GTZ2i/GTZ3/GTZ3i)
0.001
(EXCEPT GTZ3: AR)
(GTZ2: E51/GTZ3: E2, E3, E51)
0 (GTZ2: MX/GTZ2i/GTZ3: MX/GTZ3i)
22k (GTZ2: E51/GTZ3: E2, E3, E51)
R483
330 (GTZ3: E3)
4.7k (GTZ2/GTZ3: E2, E51, MX, AR)
150 (GTZ3i: UK)
R393
680 (GTZ2: MX/GTZ3: MX)
0 (GTZ2i/GTZ3i: AEP)
R493
1k (GTZ2: E51/GTZ3: E2, E51, AR)
4.7k (GTZ3: E3/GTZ3i: UK)
(EXCEPT GTZ2i/GTZ3i: AEP)
J
4
B
16
6
9
11
D
15
H
L
10
K
17
3
5
12
C
F
18
1
E
8
G
14
A
2
13
I
7
3.3k (GTZ2i)
2.2k (GTZ3i)
R492
4.7k (GTZ3)