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No Power
(Standby LED OFF)
Yes
PFD01 error?
No
No
PDS01 voltage
is missing?
Yes
No
PICF1 Drain (pin 1)
voltage is missing?
Yes
No
Voltage exists in
PICF1-4?
Yes
Yes
Pulse is missing
in PICF1-5?
No
Replace PICF1.
Replace fuse.
Check PRF10.
Check 2d voltage.
Check PRF11 ~ PRF14.
Replace PICF1.
Check feed back.
CVBS output error
D
Pin of VDD_2.5 &
No
VDD-3.3 in Zic1 has
normal level?
Yes
27MHz clock
No
input is normal at
pin 159 in ZIC1?
Yes
Analog output
No
is normal at pin 133
in ZIC1?
Yes
Analog signals are
No
inputted normally
pin 2 in VIC1?
Yes
Power is
No
normal at pin 1, 28
in VIC1?
Yes
Pin 7 in VIC1
No
is in high stste?
Yes
Peak to peak
No
voltage level of pin 27
in VIC1 is 2V?
Yes
Video signal of
No
about 1V appears at
output jack?
Yes
Check the RCA cable.
Check the connection between
pin 1 in PCNS1 and pin 3 in ZIC5.
Check the connection between
pin 6 in ZIC4 and pin 129 in ZIC1.
Check the soldering of ZIC1.
Check the connection netween
pin 133 in ZIC1 and VIC1.
Check the connection betwen
VIC1 and PICS4-2.
Check the connection between
PICS4-2 and pin 1 in VIC1.
Check the soldering of VIC1.
Check the connection between
VIC1 and output jack.
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