Pioneer TS7 Service Manual page 58

1
QQ
3 7 63 1515 0
A
[Channel Decoder section]
((D)) (from page 57)
↓
<M1001(Front-End) "+5V" : 5V?>
YES
B
<M1001(Front-End) "+28V" : 28V?>
YES
<M1001(Front-End) "SCL" : correct?>
YES
<M1001(Front-End) "SDA" : correct?>
YES
[Connect the PC and setup "main.exe" environment.]
↓
C
((D1)) (to page 59)
((D2)) (from page 59)
TE
↓
L 13942296513
<Execute "No.5 : Tuner Check" operation.>
OK
[Examine around the IC2001(OMEGA).]
D
E
www
F
58
1
http://www.xiaoyu163.com
2
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).]
x ao
y
. i
TS7, BCT-1710, BCT-1720, BCT-1730
2
http://www.xiaoyu163.com
3
8
NO
[Examine Q1007 Base : 5.6V?]
OK
[Examine Q1007 Corrector : 6V?]
OK
[Replace Q1007.]
Q Q
3 6 7 1 3
M1001 Pin List
Pin Name
1 -
2 LNB POWER (RF Input)
3 -
4 -
5 -
6 AGC Input
7 Q
8 I
9 +5V
10 -
11 +28V
12 -
-
13
14 SDA
15 SCL
u163
.
3
4
2 9 9 4 2 8
NO
[Replace Q1006, D1008.]
NO
[Trace D+6V line.]
NO
[Check around Q1007.]
1 5 0 5 8 2 9 9 4
m
co
4
9 9
2 8 9 9