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36
2. FLD doesn't Light
Check DC voltage
FRONT PCB (CUP12687)
WF81 5pin : + 39V
Check DC voltage
FRONT PCB (CUP12687)
WF81 14pin : + 5V
Check DC voltage
FRONT PCB (CUP12687)
IC81 4pin : +4.2V
Check reset signal
FRONT PCB (CUP12687)
WF81 16pin(_RESET) : +3.3V
Check DC voltage
FRONT PCB (CUP12687)
WF81 2pin, 3pin : + 3.3V
Check DC voltage
MAIN POWER PART PCB(CUP12689-1)
BN92 10pin : +3.3V
Check Wire.
Check device
SUB TRANS PCB (CUP12689-2)
IC91 4pin : + 3.3V
Is DC voltage normal?
MAIN POWER PART PCB(CUP12689-1)
BN92 2
pin : +39V
Check Wire
.
Check Wire.
Replace
IC81.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
Check device
MAIN POWER PART PCB(CUP12689-1)
Q905
Emitter : +39V
Check device
MAIN POWER PART PCB(CUP12689-1)
IC93 4pin : +5V
Check reset signal
DIGITAL PCB (CUP12688)
WF11 16pin (FPRS) : +3.3V
Check Soldering or replace
DIGITAL PCB
IC11
Check Soldering or replace
DIGITAL PCB
WF11 and FFC cable
Check DC voltage
MAIN POWER PART PCB(CUP12689-1)
BNC92 4pin : +5V
YES
NO
NO
NO
Next page
Summary of Contents for HD-DAC1
Page 8: ...Personal notes 8 ...
Page 46: ...46 Personal notes ...
Page 52: ...WIRING DIAGRAM 52 ...
Page 68: ...NJV7181 IC48 Pin configuration BLOCK DIAGRAM 68 ...
Page 69: ...MFI337S3959 DIGITAL IC14 69 ...
Page 70: ...PCM9211 DIGITAL IC42 PCM9211 Block Diagram 70 ...
Page 71: ...PCM9211 Pin Discriptions 71 ...
Page 72: ...uPD63530 DIGITAL IC41 72 ...
Page 73: ...uPD63530 Pin Discriptions 73 ...
Page 74: ...74 ...
Page 75: ...ADuM1280 DIGITAL IC51 IC52 IC57 IC58 ADuM1285 DIGITAL IC53 IC54 IC55 IC56 75 ...
Page 79: ...CS2000 CP DIGITAL IC22 CS2000 CP DIGITAL U3914 Block Diagram 79 ...
Page 80: ...2 DISPLAY FLD GP1261AI FL81 DIMENSION PIN CONNECTION PTTERN DETAIL 80 ...