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FLOW CHART NO.13
Hi-Fi audio can not be playbacked normally. (Hi-Fi E-E mode is normal.)
Is the Playback Envelope signal outputted to
Pin(33) of IC1451?
Replace Cylinder Assembly.
FLOW CHART NO.14
Audio can not be recorded normally in the linear audio mode. (E-E mode is normal.)
Is the audio signal inputted into Pin(76,78,80) of IC1301?
Does the Bias oscillation circuit operate normally?
Is the audio signal outputted to Pin(10) of IC1301?
Is the audio signal outputted to Pin(9) of IC1301?
Is CN1504 and the connected cable normal?
Replace ACE head assembly.
FLOW CHART NO.15
Audio can not be playbacked normally in the linear audio mode. (E-E mode is normal.)
Is the audio signal supplied to Pin(6) of IC1301?
Are the CN1504, the connected cable and the
parts on periphery of playback amplifier normal?
Is there no dirt on the surface of ACE head assembly?
Is the height of ACE head appropriate?
Replace the ACE head assembly.
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Is the Hi-Fi-H-SW signal inputted into to Pin(39) of
IC1451?
Yes
Replace
Check the Hi-Fi-H-SW line between
IC1451.
Pin(39) of IC1451 and Pin(30) of
IC1501, and service it if defective.
No
Check the line between Pin(6) of IC1451 and
Pin(76,78,80) of IC1301, and service it if defective.
No
Check the Bias oscillation circuit ( Q1421,Q1422,
Q1425,Q1426) and service it if defective.
No
Replace IC1301.
No
Replace IC1301.
No
Replace CN1504 and the connected cable.
Yes
Is the audio signal outputted to Pin(10) of IC1301?
Yes
Check the line between Pin(10) of
IC1301 and Pin(4) of IC1451, and
service it if defective.
No
Service and replace poor parts.
No
Clean the surface of ACE head assembly.
No
Readjust the height of the ACE head assembly.
1-11-16
No
No
Replace
IC1301.
E9E2ZLE
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