Pioneer TS7 Service Manual page 59

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((D1)) (from page 58)
[LNB Power Check Routine]
↓
<In the "main.exe" Window, push F5 key>
↓
[Examine M1001(LNB POWER (RF INPUT).]
↓
<13V(12.5V~14V) or 18V (17V~19V) ?>
YES
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L 13942296513
<13V and 18V are switched correctly?>
YES
[Examine 22kHz (High Band/ Low Band switching signal.]
↓
<Correctly overlayed onto 13V or 18V?>
↓
YES
[Execute any "Set parameter" operation.]
(In the "main.exe" Window, push f1 key then f9 key.)
↓
[Execute "No.5 : Tuner Check" operation.]
↓
((D2)) (to page 58)
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http://www.xiaoyu163.com
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NO
<LNB_Off/On at Q1008 Base: 0.7V?>
<IC1001(KA317MRTM Voltage Regulator)
output : 13V or 18V?>
[Replace Q1008 or Q1011]
NO
<A+22V or 17V input available?>
<LNB_V_H at Q1004 Pin5 : High?>
[Replace Q1004]
NO
<22kHz available
at IC1004 Pin 16?>
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TS7, BCT-1710, BCT-1720, BCT-1730
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http://www.xiaoyu163.com
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8
NO
YES
NO
YES
[IC1001(KA317MRTM Voltage Regulator)
Pin 2 (VOUT) and Pin 1 (ADJ)]
<IC1001 : voltage difference (Vout-Vadj): 1.25V?>
YES
[Replace IC1001.]
Q Q
3 6 7 1 3 1 5
NO
YES
NO
YES
NO
YES
[Replace Q1003]
co
.
3
9 4 2 8
[Replace IC1004(STV0299B).]
<IC1001(KA317MRTM Voltage Regulator)
Pin 3 (VIN) : available?>
NO
((A)) (to page 55)
YES
NO
<Over-current sensing: OK?
(Around Q1002)
[RF incoming signal is
NO
faulty.(Antenna line
YES seems to have a short
path to the ground.]
[Add solder to
0 5 8 2 9 9 4 2 8
R1009-R1013/R1033.]
[Replace POWER SUPPLY ASSY.]
[Replace IC1004(STV0299B).]
[Replace IC1004(STV0299B).]
m
3
4
9 9
A
B
C
9 9
D
E
F
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