58
1
2
4
1
2
4
C
D
F
A
B
E
TS7, BCT-1710, BCT-1720, BCT-1730
[Channel Decoder section]
((D))
(from page 57)
↓
<M1001(Front-End) "+5V" : 5V?>
↓
↓
((D1))
(to page 59)
((D2))
(from page 59)
<M1001(Front-End) "+28V" : 28V?>
YES
OK
<M1001(Front-End) "SCL" : correct?>
YES
<M1001(Front-End) "SDA" : correct?>
YES
[Examine Q1007 Base : 5.6V?]
NO
NO
[Replace Q1006, D1008.]
NO
[Examine Q1007 Corrector : 6V?]
[Trace D+6V line.]
NO
OK
[Replace Q1007.]
[Check around Q1007.]
NO
[Trace"A+28V_CHDEC" line.]
NO
((B))
(to page 56)
NO
((B))
(to page 56)
NG
[Replace M1001(Front-End) or IC1004 (Link IC).]
[Connect the PC and setup "main.exe" environment.]
YES
<Execute "No.5 : Tuner Check" operation.>
OK
[Examine around the IC2001(OMEGA).]
Pin
M1001 Pin List
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
-
LNB POWER (RF Input)
-
-
-
AGC Input
Q
I
+5V
-
+28V
-
-
SDA
SCL
Name
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
