HCD-GTZ2/GTZ2i/GTZ3/GTZ3i
HCD-GTZ2/GTZ2i/GTZ3/GTZ3i
2323
5-10. SCHEMATIC DIAGRAM - MAIN Board (1/3) -
• See page 40 for Waveforms. • See page 43 for IC Pin Function Description.
BOARD
MAIN
(3/3)
11
12
MAIN
BOARD
(2/3)
H
DISPLAY
BOARD
CN1100
5
6
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
1kR428
1kR424
100
R463
JL092
R576
0
R215
10k
R211
100k
10kR330
R212
10k
0.047
C422
100
R474
10k
R409
0.1
C499
0.1
C464
470
R497
R322
22k
1kR425
R404
100
R381
15k
JL029
0.047
C427
R365
10k
50V
10
C498
C211 10 50V
1k
R491
R213
100k
15kR394
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
100R466
R214
680
R393
10kR329
R325
22k
470
R495
1kR427
MAZ8043GMLS0
D211
R391
10k
50V
2.2
C201
JL429
100R434
100R476
10k
R361
0.047
C428
1k
R490
R481
1k
R493
33k
R204
R575
0
R323
22k
15kR395
C215
10
50V
MA2J1110GLS0
D212
C213
10
50V
2SC3052EF-T1-LEF
Q211
R327
22k
RT1N431C-TP-1
Q628
100R467
100R433
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
1kR423
JL093
0.1
C496
100R475
MC2836
D213
Q215
RT1N441C-TP-1
MA2J1110GLS0
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
1kR422
2SC3052EF-T1-LEF
Q214
RT1P141C-TP-1
Q670
100
R462
JL453
JL455
JL457
JL458
JL460
JL461
JL462
100
R431
JL433
10kR452
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
100R438
100
R437
6.3V
C416
470
100R439
100R440
100
R441
MC2840-T112-1
D201
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
28
29
30
31 32 33 34
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81828384858687888990919293949596
979899
100
R5F3640DDFAR
IC401
METER-IN3
METER-IN4
SW/USB CTRL
SIRCS
CDM-SD
M2-
M2+
BYTE
CNVss
XC-IN
XC-OUT
RESET
X-OUT
VSS
X-IN
VCC
NMI
M1-
MTK-BUSY
AC-CUT
M1+
SW3
SW1
SW-CHUCK
SW2
SW-CLOSE
SW-STOCK
SW-OPEN
IIC-CLK
IIC-DATA
METER BL CTL
NO-USE
NO-USE
MTK-XIFCS
MTK-TX
MTK-RX
MTK-CLOCK
NO-USE
METER LED CTRL
NO-USE
NO-USE
MTK PWR CTL
AD SUPPLY SW
HP DET
MIC DET
MTK-OE
HUB-RST
MTK-RST
TC_M+9V SW
PROTECT
STK MUTE
SW SPK RELAY
FR SPK RELAY
STBY RELAY
EEP-SDA
EEP-SCL
VBus_Det
LINE MUTE
R2A15216FP-CLK
R2A15216FP-DATA
ST-TUNED
VCC
ST-CE
VSS
ST-DIN
ST-CLK
ST-DOUT
MTK-OC1
LED CTRL
USB-LED CTRL
POWER ILLUMINATOR
STBY LED
MTK-OC2
POWER/DISPLAY-KEY
ST-RDS-INT
ST-RDS-DATA
LED-VOL5,6
LED-VOL3,4
LED-VOL1,2
METER LED
METER SW
MTK POWER MONITOR
OVERVOLTAGE
METER IN2
FL-DRIVER-CLK
FL-DRIVER-DATA
FL-DRIVER-CS
FL-DRIVER-RESET
VACS IN
OPERATION DIAL
MASTER VOL
MODEL-IN
DEST-IN
AD-KEY2
AD-KEY1
AVSS
AD-KEY0
VREF
AVC C
METER-IN1
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
100kR484
JL514
JL523
R410
10M
220k
R411
8765
4321
IC675
BR24S16FJ-WE2
R627
47k
X402
R628
10k
91
78
53
75M2-
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
GND SDA
SCLA2
WPA1
VCCA0
EEPROM
IC675
5MHz
(1/3)MAIN BOARD
SYSTEM CONTROLLER
IC401
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
166911
D
15
H
L
10
K
1735 12
C
F
181
E
8
G
14
A
2 13
I
7
3.3k (GTZ2i)
2.2k (GTZ3i)
R492
4.7k (GTZ3)
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