Pioneer DVR-560H-S, Service Manual

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DVR-660H-K
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A
B
C
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5.2 DIAGNOSIS OF THE MAIN ASSY
Power O N
Does
a desired screen
appear when selected
a tuner?
V ideo recording and play b ack b y HDD
1
Failure in the periphery of C N 2301
(Poor contact with the TUJB Assy.)
2
Failure in the periphery of C N 4501
(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
N o
N o
Does a desired
audio output it?
1
Failure in the periphery of C N 2301
(Poor contact with the TUJB 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.)
N o
N o
N o
N o
N o
Yes
N o
V ideo recording and play b ack b y D V D
D V D recording
End
Can the video recording
and play b ack of HDD?
1
Failure in the periphery of C N 5604
(Poor contact with the HDD.)
2
To the HDD check mode
Yes
N o
Can record desired
video and audio?
Failure in the periphery of C N 101
(Poor contact with the Pickup Assy.)
Failure in the periphery of IC1001
(There is possi
b ility of failure of
the EMMA2RFE chip.)
Yes
N o
Does the tray open?
1
Failure in the periphery of C N 601
(Poor contact with the FRO N T Assy.)
2
Failure in the periphery of IC501
(Failure in the periphery of the Driver IC.)
Yes
N o
Do play b ack desired
video and audio?
1
Failure in the periphery of C N 2301
(Poor contact with the TUJB 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
N o
Insert a disc and close the tray, then play b ack it
Do recognize a disc?
1
Failure in the periphery of C N 101 (Poor contact with the Pickup Assy.)
2
Failure in the periphery of C N 501 (Poor contact with the SPDL.)
3
Failure in the periphery of C N 502 (Poor contact with the STEPPER.)
Yes
N o