Pioneer DVR-550HX-S, Руководство по обслуживанию

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DVR-LX60D
36
1 2 3 4
1 2 3 4
C
D
F
A
B
E
5.2 DIAGNOSIS OF THE MAIN ASSY
Power ON
Does
a desired screen
appear when selected
a tuner?
Video recording and playback by HDD
1
Failure in the periphery of CN2301
(Poor contact with the TUSB Assy.)
2
Failure in the periphery of CN4501
(Power supply is not supplied from the POWER SUPPLY Assy.)
3
Failure in the periphery of IC4511, IC4521, IC4531, IC4541, IC4552,
IC4561, IC4562 and IC4571 (Power supply is not supplied to each IC.)
Yes
No
No
Does a desired
audio output it?
1
Failure in the periphery of CN2301
(Poor contact with the TUSB Assy.)
2
Failure in the periphery of IC3101
(Failure in the periphery of AUDIO ADC for input audio.)
3
Failure in the periphery of IC3201
(Failure in the periphery of AUDIO DAC for output audio.)
No
No
No
No
No
Yes
No
Video recording and playback by DVD
DVD recording
End
Can the video recording
and playback of HDD?
1
Failure in the periphery of CN5604
(Poor contact with the HDD.)
2
To the HDD check mode
Yes
No
Can record desired
video and audio?
Failure in the periphery of CN101
(Poor contact with the Pickup Assy.)
Failure in the periphery of IC1001
(There is possibility of failure of
the EMMA2RFE chip.)
Yes
No
Does the tray open?
1
Failure in the periphery of CN601
(Poor contact with the FRONT Assy.)
2
Failure in the periphery of IC501
(Failure in the periphery of the Driver IC.)
Yes
No
Do play back desired
video and audio?
1
Failure in the periphery of CN2301
(Poor contact with the TUSB Assy.)
2
Failure in the periphery of IC3101
(Failure in the periphery of AUDIO ADC for input audio.)
3
Failure in the periphery of IC3201
(Failure in the periphery of AUDIO DAC for output audio.)
Yes
No
Insert a disc and close the tray, then playback it
Do recognize a disc?
1
Failure in the periphery of CN101 (Poor contact with the Pickup Assy.)
2
Failure in the periphery of CN501 (Poor contact with the SPDL.)
3
Failure in the periphery of CN502 (Poor contact with the STEPPER.)
Yes
No