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6-10. SCHEMATIC DIAGRAM – MAIN BOARD (3/9) –
MAIN BOARD
DZ230,DZ321
CN605
21P
RD/MICDATA
1
RD/MICCLK
2
TUNED
3
4
ST_CLK
ST_DO
5
ST_CE
6
7
ST_DI
5V
8
A-GND
9
B
10
A12V
A_SEL0
11
IO-SCART
BOARD
A_SEL1
12
CN308
(Page 48)
13
A_SEL2
TVSEL
14
V_SEL0
15
16
V_SEL1
V_SEL2
17
CLINK_RX_IN
18
19
CLINK_TX_OUT
CLINK_DET
20
21
A_SEL3
HDZ235
CN608
15P
TUNED
1
ST_CLK
2
ST_DO
3
ST_CE
4
ST_DI
5
5V
6
A-GND
7
Q
A12V
8
IO-S-OUT
A_SEL0
9
BOARD
CN310
A_SEL1
10
(Page 50)
A_SEL2
11
TVSEL
12
V_SEL0
13
V_SEL1
14
V_SEL2
15
HCD-DZ230/DZ231/HDZ235
• See page 29 for Waveform. • See page 67 for IC Pin Function Description.
MAIN BOARD
34
(2/9) (Page 38)
(3/9)
DZ230,DZ321
R602
TP603
ICT533
RDS_DATA
100
R603
TP604
RDS_CLK
100
TP605
R604 100
TUNED
R605
TP606
ST_CLK
100
R606
TP607
ST_DO
100
R607
TP608
100
ST_CE
R608
TP609
ST_DI
100
TP610
R601
1
2
0
TP611
R609
TP612
100
R610
TP613
100
R611
TP614
100
R612
TP615
100
R613
TP616
100
R614
TP617
100
R615
TP618
100
R637
TP619
100
R638
TP620
100
TP621
A.CAL
*R640
TP622
100
KEY2
KEY1
D505
MC2836-
T112-1
KEY0
*
R504
1.5k : UK
47k : HDZ235
No MT : AEP
*
6.8k : DZ230,DZ231
15k : HDZ235
67 66 65
64
DZ230,DZ231
R555
10k
CLINK_DET
80
79
78
77
76
75
74
73
72
71
70
0
ASEL3/LED_
81
LATCH
0
82
V_SEL0
3.3
83
V_SEL1
0 (3.3)<3.3>
84
ASEL0
0 (0)<3.3>
85
ASEL1
0
86
ASEL2
0(3.3)
87
NO USE
DZ230,DZ231
R639
88
NO USE
100
0
89
CLINK_DET/NO USE
C504
R515
MONO/ST_DET
0
0.01
1k
90
MONO/ST_DET
C505
R516
ICT537
0
0.01
1k
91
A.CAL MIC LEVEL
TP564
TP504
3.3
92
DESTINATION
R504
R505
TP503
0.4
*
*
93
MODEL
R506
R507
TP563
3.3
47k
*
R509
100
94
KEY2
R510
10k
C501
3.3
0.1
R511
1k
95
KEY1
R512
10k
96
Vss
C502
C508
3.3
0.1
0.1
R513
97
KEY0
1k
3.3
98
Vref
C503
0.1
3.3
R514
R501
10k
99
Vcc
1M
0
100
NO USE
C507
R542
0.1
10k
*
R505
1
2
3
4
5
6
7
8
9
10
11
4.7k : AEP
22k : HDZ235
47k : UK
BUP3.3V
R506
E3.3V
D3.3V
R519
10k
4
39
39
R540
R586
10k
R554
10k
10k
R543
100
R508
C506
R550
C519
0.1
1k
1k
0.1
C518
0.1
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
R559
10k
3.3
DAMP INIT
50
0
49
DAMP LATCH3
3.3
DAMP LATCH2
48
0
DAMP LATCH1
47
R558
IC501
3.3
10k
WRITE CE
46
3.1
SYSTEM
OVERFLOW2
45
CONTROLLER
3.1
OVERFLOW1
44
3.2
DRIVE_OCP(DIAG)
43
0
DRIVE_RST(EN)
42
0
IC501
WRITE EMP P_CONT3
41
M30622MEP-B02FPUO (DZ230/DZ231)
3.3
M30622MEP-B03FPUO (HDZ235)
P_CONT2
40
3.3
P_CONT1
39
3.3
MTK RST
38
3.3
DVD XIFCS
37
NO USE
36
NO USE
35
0
DVD_XIFBUSY
34
3.3
DVD_SCO
33
0
DVD_SOD
32
4
3.3
DVD_SID
31
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
R539
10k
R557
Q503
47k
2SC3052EF-T1-LEF
3.3
SWITCH
0
ICT546
1
2
R562
47k
R561
100k
3
X501
5MHz
R556
47k
63 62
MAIN BOARD
(4/9)
(Page 40)
HCD-DZ230/DZ231/HDZ235
18
19
50
51
52
53
54
3
MAIN
BOARD
NS_INIT
(4/9)
(Page 40)
LAT3
LAT2
LAT1
OVF2
OVF1
DIAG
EN
P_CONT3
P_CONT2
P_CONT1
XSYSRST
56
XIFCS
XIFBSY
IFSCK
IFSDO
IFSDI
57
IC503
C520
0.22
PST3635NR
3.3
3.6
1
5
OUT
Cd
4
2
VDD
C522
3
4
C521
GND
NC
0.22
0.01
C523
0.1
IC503
RESET
No mark :
DVD STOP
( ) :
DM PORT
< > :
FM
61
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