Specifications

— 47 —
Set QV-5000SX to REC
MODE then turn POWER ON.
Will not turn on.
Repair complete.
Replace fuse.
Short VCC3-1 line.
Replace D-PCB
Check connection
Correct (PW-PCB) C193
and (C-PCB) C270
YES
YES
The LCD
does not turn on by
pressing BL SW.
Turn power on
in PLAY MODE.
YES
YES
NO
NO
YES
Current 100 mA
Current 10 mA
Short between
CP104-CP100
CP101-CP100
YES
Does SW830
work normally.
YES
Is FPC in the
right place between
D-KA PCB.
YES
Replace PW-PCB.
YES
Is connector between
D-PW PCB OK?
Replace D-PCB
Is connector
between D-PW PCB.
LCD turns on.
Is FU100
(JK-PCB) or FU102
(PW-PCB) OK?
YES
YES
YES
YES
YES
YES
NO
NO
NO
Is CP110 (PW0) = “H”
Is CP112 (VCC3-1)
turned on?
Is CP107~109 = “H”
Is voltage of CN112
output?
No picture
(Go to page 48)
No picture
(Go to page 48)
NO NO NO
NO
NO
NO
NO
NO NO NO
Check connection
Check connection
Check connection
Check with the value
of stabilizer (6 V).
Use tester to check the
resistance value of fuse.
Use tester to check the
resistance value of test pad.
Check the switch by tester.