Harman Kardon FL8400 - Page 30

FL8400
Laser does not emit.
DCheck the circuit around (C101 for
cold salder joints.
DIC101 is defective.
ls IC101 pin 54
“H" status constant?
DChack circuit around
10104 for cald soklen joints.
DIC104 is defective.
At 104 pin 5
is waveform shown in Figure 19?
Does +2V appear
at pin 1 {LD) of CNT1027
DQ124 is defective.
D Pickup is defective.
Check:
+ Wire connector from CNT102.
N
ay Laser O
3V
OV
Figure 19
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