BD-HP17U
4 – 1
BDHP17U
Service Manual
CHAPTER 4.
TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE
1. MAIN UNIT
The main PWB circuit doesn't function when the power is turned ON.
The power does not become ON.
Is the level of pin (6) of SC9001 at Low?
The power becomes OFF.
Check the POWER PWB.
Check the
IC9001, 9002, 9003, 9004, 9005,
9006 and their peripheral circuits.
YES
NO
NO
NO
Is the fan turning on when the power
is turned ON?
Check the fan, fan power and their
peripheral circuits.
YES
YES
NO
YES
YES
FLOW CHART No. 1
NO
Are AT_12V, AT_5V, SUB_PC-8V
supplied to SC9001?
Check the power PWB.
YES
NO
Is 1.05V supplied to TL9016, 3.3V to
TL9017 and IC9006: 5 pin, 1.8V to
TL9018, 1.5V to TL9020 respectively?
Check the
IC9001, 9002, 9003, 9004, 9005, 9006 and
their peripheral circuits.
YES
NO
Is the level of R7244 High?
Check R5626 and the analog PWB.
YES
NO
Is 27MHz detected at R7260?
Check IC7802, IC7803, IC7804, IC7805,
IC8502, IC8505 and their peripheral
circuits.
Check X7202 and its peripheral circuits.
YES
NO
Does pin (1) of CN7205 turn to High and
Low on start-up?
Check IC7201 and its peripheral circuits.
No video signal output from the main PWB
Is video signal input into each terminal of SC5601?
1) S-VIDEO and COMPOSIT OUTPUT TERMINALS
2 pins (SUB_YOUT), 4 pins (SUB_COUT)
2) D-VIDEO TERMINAL
6 pins (MAIN_YOUT), 8 pins (MAIN_PBOUT),
10 pins (MAIN_PROUT)
NO
YES
Is video signal input into the base of transistor for each buffer?
1) S-VIDEO and COMPOSIT OUTPUT TERMINALS
Q5604, Q5605
2) D-VIDEO TERMINAL
Q5601, Q5602, Q5603
Check SUB_PC_5V line.
Check SC5601.
YES
NO
Check IC7201.
FLOW CHART No. 2
Содержание BD-HP17U - AQUOS 1080p Blu-ray DiscTM Player
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