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5-8.
SCHEMATIC DIAGRAM – PANEL Section (1/3) –
1
2
PANEL BOARD (1/3)
A
CN301
7P
JL301
I-RST
RESET
1
JL302
DGBP0
DGBP0
2
JL303
DGBP1
B
DGBP1
3
JL304
(
)
FLASH
DGND
4
PROGRAMMING
JL305
DGBP2
DGBP2
5
JL306
VCC
6
JL307
VCC
7
COM0
COM1
COM2
C
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
D
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
E
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
F
SEG29
SEG30
SEG31
SEG32
G
H
HCD-EX600/EX700/EX900
• See page 20 for Waveforms. • See page 44 for IC Block Diagrams. • See page 49 for IC Pin Function Descriptions of IC302.
3
4
5
6
R343
80
79
1k
R344
4.7k
R332
2
R345
81
LCD V2
4.7k
4.7k
1
82
LCD V1
COM3
1.5
83
COM3
COM2
1.5
84
COM2
COM1
1.5
85
COM1
COM0
1.5
86
COM0
O-CD-M-
0
87
O-CD-M-
O-CD-M+
0
88
O-CD-M+
C308
0.1
89
VSS3
3.2
90
VDD3
O-CD-ON
3.2
91
O-CD-ON
O-USB-SLEEP
0
92
O-USB-SLEEP
O-USB-TXD
O-USB-TXD
0
93
O-USB-TXD
I-USB-RXD
R328
100
0
94
I-USB-RXD
R324
100k
DGBP0
R329
100
0.2
95
DGBP0
R325
100k
DGBP1
R330
100
0.2
96
DGBP1
R326
100k
DGBP2
R331
100
0.2
97
DGBP2
O-CD-CL
1.3
98
O-CD-CL
I-CD-DO
R351
100
0
99
I-CD-DO
O-CD-M-MUTE
0
100 O-CD-M-MUTE
1
2
2
PANEL BOARD (3/3)
(Page 27)
7
8
9
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
SEG5
50
SEG4
49
48
SEG3
47
SEG2
SEG1
46
SEG0
45
NC
44
43
O-LCD-LED
IC302
O-STBY-SW
42
I-RDSI
41
IC302
LC87F7DJ2CVU-QIP-H
I-VBUS-OCP
40
SYSTEM CONTROL
39
O-VBUS-ON
O-SUB-ON
38
O-MAIN-ON
37
1
I-RMC(SIRCS)
29
O-HP-MUTE
36
2
O-CD-RST
1
30
O-FAN-LOW-SPEED
35
I-PROTECT-S
2
O-CD-DI
I-V2-MONI
34
O-AMP-RST
33
O-SW-MUTE
32
31
O-FR-RELAY
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
X302
20MHz
EX700/
EX900
*
1
R369
1k
(EX600)
10k
(EX700)
25
25
10
11
12
D315
MC2836-T112-1
I-AC-CUT
I-RST
C356
470
4V
SEG5
1.5
Q308
R409
1.5
SEG4
2SC4154TP-1EF
10k
3.2
STANDBY CONTROL
1.5
SEG3
Q309
0
2.5
ISA1602AM1-T111-1EF
1.5
SEG2
C456
R400
STANDBY CONTROL
SEG1
1.5
0.1
4.7k
3.2
1.5
SEG0
R396
10k
0.7
R421
3.2
O-LCD-LED
D316
10k
RB501V-40TE-17
3.2
1.8
R392
100
I-RDSI
0
R397
4.7k
I-VBUS-OCP
R410
0
10k
O-VBUS-ON
O-SUB-ON
C353
3.2
1000p
3.2
R398
100
O-MAIN-ON
3.2
O-HP-MUTE
R387
10k
3.2
R393
100
I-PROTECT-S
R394
100
I-V2-MONI
3.2
3.1
O-AMP-RST
R411
10k
0
O-SW-MUTE
2.9
O-FR-RELAY
*
2
R375
47k
(RU)
100k
(AEP)
HCD-EX600/EX700/EX900
13
14
15
1
IC B/D
IC307
IC307
PST3629NR
R433
R424
RESET
R204
10k
4.7k
47k
3.2
1.6
OUT
CD
3.2
3.3
C379
VDD
R430
47k
0.1
0
GND
NC
R429
C380
C384
C408
47k
0.1
0.1
0.1
2
D318
Q310
2SC4154TP-1EF
DA2J10100L
RESET
R431
R437
68k
100k
C377
C389
2.2
2.2
50V
50V
D319
D324
MC2840-T112-1
MC2840-T112-1
IC305
R425
PANEL
R435
1k
1
IC305
BOARD
1k
C367
NJM4558V-TE2
(2/3)
1
VACS/SIGNAL LEVEL CONTROL
(Page 26)
C385
1
4.5
9
VCC
3
R422
56k
4.5
4.5
R423
R438
10k
4.4
4.5
100k
R439
470
4.4
GND
C365
C391
C399
22
47
0.1
16V
16V
R426
R436
1k
1k
4
5
6
7
8
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