PIONEER DVR-640H-S Repair Manual

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A
), defective
)/ IC108(1394PHY),
1394Link & DVcodecDV specific VideoEncoder
As to a model having the Input Line System B
setting, if the setting and the actual input signal system do not match, no picture appears.
Defective IC102(improper connection between IC102 / IC108, defective soldering, defective power supply, etc.Defective DV terminals, improper connection of the DV-terminal board, defective IC108(1394PHY), defective cables, an IEEE 1394 device other than the DV device connected.Defective IC102(1394Link & DVcodec), defective soldering, defective power supply, etc.Defective DV terminals, improper connection of the DV-terminal board, defective source device defective IC102(1394Link & DVcodec), IC108(1394PHY) Note:Recording cannot be performed for a copy-protected source.An audio signal with 44.1-kHz sampling frequency is muted.Defective IC101(soldering, defective power supply, etc.
C
Items to be Checked, and ConditionsPossible causesD
Initialization of DV specific VideoEncoder (IC101) appropriately completed.
Check the initDV indication: OK:Initialization of DV related LSI (IC102, IC108) appropriately completed. NG:Initialization of DV related LSI (IC102, IC108) has not been completed properly. Defective communication with DV related LSI (IC102, IC108) and Host u-com (IC1001)Check the number of DV devices when one DV device is connected to the recorder: 01: The connected DV device is correctly identified. Other than 01: The connected DV device is not correctly identified.Check of DV decoding when the recorder channel is set to DV: Yes:The recorder is in the process of a DV input operation No:The recorder is not executing a DV input operationCheck DEC: 525-60:An NTSC DV signal is input from the DV device. 625-50:A PAL DV signal is input from the DV device. No:No DV signal is input from the DV device.Check CGMS:Check SF: 32 khz: An audio signal with 32-kHz sampling frequency is being input. 48 khz: An audio signal with 48-kHz sampling frequency is being input. 44 khz: An audio signal with 44.1-kHz sampling frequency is being input.Check the initVE indication: OK:NG:Defective communication with DV specific VideoEncoder (IC101) and HOST u-com (IC1001). Initialization of DV specific VideoEncoder (IC101) has not been completed properly.
11800-1
DV DV DV DV DV DV DV
Location in the Debug ScreenE
1212111
Symptoms
No operation for DV inputNo picture nor sound for DV inputDV input recording impossibleNo sound for DV inputNo picture for DV input
2. Simple Diagnosis of DV
F
113
DVR-640H-AV
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