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Check the pins 0, @of KS01 (TA8757AN)
and adjacent circuits (X501, X502, etc.) at Y/C
and pin@ of lC701.
Does there appear
YES
of IC701 (IX0972GE) ?
circuit of 1~701 (pins@ YES
to @) operate
normally ?
NO
operate normally ?
Does the A/C head
Replace A/C head.
operate normally ?
YES
Adjust the height of
the AK head.
CAPSTAN SERVO TROUBLESHOOTlNG
Capstan servo does not function.
Only P8 mode inoperative.
mode inooerative ?
Is there the clock
input at
NO
PAL mc
in NTSC mode; level
about O.Mp-p).
Check the capstan FG
signal line between
Does there appear
the harness AM-MC
and Q709.
Is there capstan APC
Check the capstan
Check "a' .
Check ' @' .
Only REC mode inoperative.
ir biir-
de. 3.58MHz
YES
I
I
I
FLOW CHART NO. I-10
I
I
Does there appear
the composite sync.
at pin @at RI701 ?
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