Philips BDP7700 Service Manual page 20
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Also See for BDP7700:
- User manual (30 pages) ,
- Specifications (3 pages) ,
- User manual (30 pages)
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No display on VFD
Check
power is OK. The pin 38 and pin 14
of PT6312 msut be 5v
No display on VFD
Yes
Check
every
supply
voltage on main board is
normal(Pin 6 is 5v ;pin 9
is 12v, pin 10 is -24v in
Yes
Check the front board
signals VSTB, VCLK,VD,
(XS1:pin1,2,3)
Yes
whether
the
PT6312's
Yes
Replace PT6312
4-1
No
No
Check the connect line is OK
No
Fix it
Trouble shooting chart
Check whether the
connction of line is
ok.
No
Fix it
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