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Service Manual
71-22C00-D02
A
Chrontel CH7005 TV-OUT
Cust om
831
0200 -08.SCH
Monday, March 05, 2001
Title
Si ze Docum ent Number Rev
Dat e: Sheet
of
ÂÅ ¤Ñ ¹q ¸£ CLEVO CO.
VCC3
VCC3
VCC
VCC3
VCC3
P[1..5]
P[7..11]
P[13..17]
VGCLK(7)
DDC1DATA(7, 9 )
DDC1CLK(7 , 9)
VBVSYNC(7)
VBHSYNC(7)
Z766
P5
P4 Z767
P3
P2 Z768
P7
P17
P16
P14
Z787
Z798
Z788
Z789
Z790
Z793 Z794
VBHSYNC
VBVSYNC
P1
P10
P13
DDC1CLK
DDC1DATA
VGCLK
Z796
Z804
Z805
Z795
Z801
Z791
Z792
P11
P9
P8
P15
Z799
Y7
14.31818MHz+-20PPM
C511
10P
C512
10P
R515
10K
L62
BEAD(0805)
L61
BEAD(0805)
L63
BEAD(0805)
R510
360 1%
R512 0
R511 0
R509 0
R518 0
R519 0
R513
75 1%
C504
47P
C513
270P
C506
150P
C505
47P
L66
1.2uH(0805)
1 2
R508
75 1%
L64
1.2uH(0805)
1 2
L65 1.2uH(0805)
1 2
C514
150P
C507
270P
L67
1.2uH(0805)
1 2
C495
4.7U
C496
4.7U
C497
10U
C498
.1U
C499
.1U
C500
.1U
C501
.1U
C502
.1U
C503
.1U
R517
4.7K
R516
4.7K
TP185
TP184
TP186
TP183
U32
CH7005/6
15
14
13
12
11
10
9
7
6
4
3
2
1
44
43
42
39
40
41
35
29
26
27
32 33
25
31
5
16
30
38
17
22
21
20
24
37
34
8
18
28
36
19
23
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
XCLK
H
V
DS/B CO
RESE T B
SD
SC
XI XO/FIN
VDD
AVDD
DV DD
DV DD
DV DD
DV DD
CSY NC
Y
C
CV BS
RS ET
POUT
AGND
DGND
DGND
DGND
DGND
GND
GND
TP196
CN27
SVIDEO_CON
4
2
1
3
6
7
8
5
CRMA
GND
GND
LU MA
SLD
SLD
SLD
SLD
D35
DA204U
C
A
AC
D36
DA204U
C
A
AC
Up to 47MHz
The two external load
capacitors value is
eaqual to 2 x crystal
internal cap - 12.5pF
Analog and digital
ground should
connect to a common
ground plane
Place close to
7005/6
Connect to pin 19 ground
with short/wide trace.
Place close to
ALL COMPONENTS MUST CLOSE TO SVIDEO_CON
Place close to
7005/6
7005/6
Place close to SIS630S
Place close to
7005