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downloaded next day , manual is very helpful , fast and easy
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This Service Manual was exactly what I needed to repair my Philips TV. The purchase was convenient and I received the manual at the same day I paid for it.
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Very pleased with the whole process. Great commication and very easy instructions to order and to download the manual.
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It's a good manual, this one it's a scan from the original factory service manual, great quality 100% readeable. definetely it worths what I paid for.
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A good manual! fast service and good qualityi for pdf document.
thanks!
TROUBLESHOOTING THE 50AF1 PANEL
(1)
YSUS
CN32
[YSUS - XSUS]
-Vs -Vs NC GND NC Vcc NC Vx NC GND NC Vs Vs
13 12 11 10 9 8 7 6 5 4 3 2 1
On Y-SUS board CN32 (1)-(4) pins or CN32 (6)-(4) pins or CN32 (8)-(10) pins or CN32 (10)-(13) pins shorted?
Y
Y-SUS board is defective.
Switching circuit (power supply) has a short-circuit.
N
Remove SDR from CN34 and CN35 on YSUS
A N A L Y S I S O P E R A T I O N
On CN801 on SDRU, or CN811 on SDRD, check for short circuit in following pins? (2)-(6), (20)-(24), (28)-(30), (46)-(50)
Y
SDR is defective.
N
On X-BUS board CN63 (1)-(9) shorted.
Y
XFPCs (Ribbon connectos to Panel)
Remove the six XFPCs (Disconnect CN61, CN62, CN63, CN64, CN65 and CN66)
N
On X-BUS board CN63 (1)-(9) are shorted.
N
Panel chassis is defective
Y
Remove XBUS-U XBUS-D
On X-BUS board CN63 (1)-(9) shorted?
Y
N
XBUS board is defective.
X-SUS board is defective.
(2)
End of analysis
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