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E1-8-13
FLOW CHART NO.14
FLOW CHART NO.15
Hi-Fi audio can not be recorded normally. (E-E mode is normal.)
Hi-Fi audio can not be playbacked normally. (E-E mode is normal.)
FLOW CHART NO.16
Hi-Fi audio can not be recorded normally in the linear
audio mode (E-E mode is normal.)
FLOW CHART NO.17
Hi-Fi audio can not be playbacked normally in the linear
audio mode (E-E mode is normal.)
Is the REC FM signal outputted to Pin(24,26,27) of
IC451?
Is the audio signal inputted into Pin(15) of IC301?
Does the Bias oscillation circuit operated normally?
Is the audio signal piling up the bias signal
supplied to Pin(5) of IC301?
Is the Playback Envelope signal outputted to
pin(30,31) of IC451?
Is the audio signal supplied to Pin(9) of IC301?
Is the audio signal supplied to Pin(11) of IC301?
Are the CL504, the connected cable and the parts
on the periphery of playback amplifier normal?
Is there no dirt on the surface of AC head?
Clean the surface
of AC head.
Is the height of AC head appropriate?
Replace the AC head.
Replace IC301.
Readjust the height of the AC head.
Check CL253 and the connected cable.
Check CL504 and the connected cable.
Check the AL+5V line.
Is the 5V voltage supplied to Pin(32) of IC451?
Is the Hi-Fi-H-SW signal inputted into to Pin(40) of IC451?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
No
No
No
No
No
Check the Hi-Fi-H-SW line between Pin(40) of
IC451 and Pin(19) of IC501.
Check the line between Pin(6) of IC451 and
Pin(15) of IC301.
Check the line between Pin(11) of IC301 and
Pin(4) of IC451.
Check the Bias oscillation circuit (Q401,Q402,
Q403,Q404,Q405.)
Replace IC451.
Replace IC451.
Replace IC451.
Содержание DVPF2E
Страница 45: ...E2 2 6 S 12 19 Cap Belt Fig DM11 Fig DM12 20 C 1 21 ...
Страница 69: ...4 1 4 Main 1 8 Schematic Diagram ...
Страница 71: ...4 1 6 Main 3 8 Schematic Diagram ...
Страница 72: ...4 1 7 Main 4 8 Schematic Diagram ...
Страница 73: ...4 1 8 Main 5 8 Schematic Diagram ...
Страница 74: ...4 1 9 Main 6 8 Schematic Diagram ...
Страница 76: ...4 1 11 Main 7 8 Schematic Diagram ...
Страница 77: ...4 1 12 Main 8 8 Schematic Diagram ...
Страница 81: ...4 1 16 AFV Schematic Diagram ...
Страница 83: ...4 1 18 Main CBA Bottom View ...
Страница 85: ...4 1 20 Function CBA Top View Function CBA Bottom View ...
Страница 86: ...4 1 21 Front Jack CBA Top View Front Jack CBA Bottom View ...
Страница 89: ...4 1 24 DVD Main 1 4 Schematic Diagram ...
Страница 90: ...4 1 25 DVD Main 2 4 Schematic Diagram ...
Страница 91: ...4 1 26 DVD Main 3 4 Schematic Diagram ...
Страница 92: ...4 1 27 DVD Main 4 4 Schematic Diagram ...