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HCD-ZT4
HCD-ZT4
37
37
• See page 34 for Waveforms. • See page 52 for IC Pin Function Description.
7-16. SCHEMATIC DIAGRAM - MAIN Board (2/4) -
E
32
31
BOARD
13
(4/4)
MAIN
(1/4)
MAIN
12
BOARD
BOARD
DISPLAY
CN1101
C
BOARD
14
(3/4)
MAIN
TRANS2
BOARD
CN907
3.3
0
3.3
0
0
0.7
4.7
4.1
8.7
9.7
4.1
10.2
3.3
1
3.3
3.3
0
3.3
0
0
3.3
0 <<0>> {0} (3.3)
3.3
3.3
0
0
0
0
0
0
0
3.3
3.3
3.3
3.3
3.3
0.1
3.3
0
0
0
0
0
0
0
0.5
0.5
3.3
1.7
3.2
3.2
3.2
0
0
0
0.5
0.5
3.2
3.2
3.3
3.3
3.3
3.3
3.3
3.3
2
0
{3.3} (0)
0
3
0
0.8
3.3
3.3
3.3
3.3
0
2.8
3.3
3.3
3.3
3.3
3.3
0 <<1.3>>
0
0
3.3
0
0
0
0
0.6
1.5
3.3
3.3
1.9
1.7
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
3.3
3.3
0
3.3
3.3
0 <<3.3>> {3.3} (3.3)
0.1 <<3.3>> {3.3} (3.3)
R211
100k
R213
100k
C215
10
50V
Q215
RT1N441C-TP-1
R218
10k
C212
0.1
R210
2.2k
R217
0
R212
10k
C213
10
50V
C216
1000
6.3V
KT
A1271Y
-A
T
Q212
R215
10k
R214
680
C576
0.1
33k
R204
MC2837
D201
50V
2.2
C201
1k
R427
1k
R424
R404 100
1k
R428
1k
R425
1k
R426
10k
R409
330k
R41
1
10k
R417
1k
R422
100
R419
1k
R423
32.768kHz
X401
18p
C410
22p
C41
1
6.3V
C416 2200
0.1
C414
0.1
C496
50V
10
C498
0.1
C499
0.1
C464
10V
100
C462
470
R494
470
R495
470
R497
100
R431
100
R432
100
R433
100
R434
100
R435
100
R436
100
R438
100
R440
100
R445
100
R446
220k
R483
100
R490
100
22k
R491
15k
R394
15k
R395
100
R474
15k
R397
10k
R361
10k
R366
100
R467
10k
R367
10k
R346
10k
R345
100k
R244
100k
R243
100k
R242
100k
R241
100
R465
100
R466
100
R461
R391
10k
4.7k
R390
R322 22k
R323 22k
R327 22k
R324 22k
R328 22k
R325 22k
R326 22k
100
R463
R365 10k
100
R480
C483
1000p
0.047
C427
0.047
C424
0.047
C428
0.047
C425
0.047
C426
0.047
C422
0.047
C423
C420
0.1
2SC3052EF-T1-LEF
Q211
2SC3052EF-T1-LEF
Q210
2SC3052EF-T1-LEF
Q214
MA2J1
110GLS0
D202
MA2J1
110GLS0
D483
MA2J1110GLS0
D212
R675
10k
R216
22k
CN403
JL223
JL224
JL225
JL226
JL227
JL228
JL229
JL230
JL231
JL232
JL233
100
R450
10k
R357
10k
R250
R381
15k
R493
R393
4.7k
R492
680
R392
MC2836
D213
0.047
C412
C214
0.33
MAZ8043GMLS0
D211
MC2837
D695
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
METER-IN3
METER-IN4
SW LED
SIRCS
CDM-SD
M2-
M2+
BYTE
CNVss
XC-IN
XC-OUT
RESET
X-OUT
VSS
X-IN
VCC
NMI
M1-
SBSY
AC-CUT
M1+
SW3
SW1
SW
-CHUCK
SW2
SW
-CLOSE
SW
-ST
OCK
SW
-OPEN
IIC-CLK IIC-DATA
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
AVCC
METER-IN1
MA2J1110GLS0
D468
C211
10
50V
220
R468
0
4.7k
R576
0
R575
R676
10k
JL410
JL402
JL411
JL407
JL412
JL404
JL405
JL406
JL401
JL409
JL403
JL400
JL408
JL413
JL417
JL419
JL415
JL416
JL420
JL414
JL418
JL426
JL423
JL422
JL421
JL424
JL428
JL427
JL425
JL431
JL432
RT1N431C-TP-1
Q628
R628
10k
Q627
KTA1271Y-AT
R627 47k
R481
1k
1
2
3
4
5
6
7
8
9
10
11
11P
NO468
JL005
JL006
JL007
JL020
JL021
JL045
JL046
JL092
JL093
8
7
6
5
4
3
2
1
X402
23
24
22
25
26
20
21
7
14
15
11
9
12
17
18
8
16
13
19
100
R457
R581
0.047
1
38
53
77
1
100
84
94
52
51
100
88
87
86
85
95
84
79
78
88
87
86
85
4
79
78
77
2
3
54
58
67
72
72
73
80
70
94
91
90
36
35
33
40
12
34
M1-
M1+
19
12
M2+
M2-
5
28
27
26
25
24
23
22
20
39
BUS1
BUS3
BUS0
BUS2
PROTECT
48
47
49
31
32
97
81
61
57
63
65
66
20
2
81
70
80
97
95
90
91
73
72
4
3
46
39
37
45
100k
R232
VCC
WP
SCL
SDA
A0
A1
A2
GND
5MHz
MAIN BOARD (2/4)
54
Q627, 628
B+ SWITCH
31P
+4V REGULATOR
Q210-212
Q214, 215
RESET SWITCH
7
11
D
B
16
6
9
17
10
F
5
15
K
3
G
1
18
12
C
E
H
8
J
4
13
A
14
2
I
R5F3640MDFAR
IC401
IC401
SYSTEM CONTROLLER
MC TXD
MC RXD
USB RESET
USB CTS0
USB TXD0
USB RXD0
USB SEL-SW
USB RTS0
AD SUPPLY SW
MP3 IREQ
CD BUS0
CD BUS1
CD BUS2
CD BUS3
CD CLK
CD CCE
CD-MMUTE
CD-XRST
TC_M+9V SW
PROTECT
STK MUTE
SW SPK RELAY
FR SPK RELA
Y
STBY
RELA
Y
EEP-SDA
EEP-SCL
DMPOR
T
DET
LINE MUTE
R2A15216FP-CLK
R2A15216FP-DA
TA
ST
-TUNED
VCC
ST
-CE
VSS
ST
-DIN
ST
-CLK
ST
-DOUT
POWER ILLUMINA
T
OR
NO USE
USB-BLUE LED
MIC/HP
DET
STBY
LED
LED CTRL
POWER/DISPLA
Y-KEY
ST
-RDS-INT
ST
-RDS-DA
TA
LED-VOL5,6
LED-VOL3,4
LED-VOL1,2
METER LED
METER SW
TC-T
APE ST
A
TE
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
SW LED
METER-IN4
METER-IN3
METER-IN1
METER-IN2
METER SWITCH
USB LED CTRL
VF
-VFL
VF
METER LED
DGND
FL+3.3V
AD KEY0
AD KEY1
AD KEY2
VOL
JOG
FL-RESET
FL-CS
FL-DATA
FL-CLK
SIRCS
LED1
LED2
LED3
LED CTRL
STBY LED
EVER+3.3V
LED GND
LED+9V
IC675
EEPROM
IC675
S-24CS16A0I-J8T1G
RT1P431C-TP-1
Q447
LEVEL SHIFT
AC4
AC4
AC3
AC3
VF
VF
-VFL
DGND
EVER10V
STBY RELAY
AC CUT DETECT
(Page 39)
(Page
36)
(Page
45)
(Page
38)
(Page
49)