Table of Contents
Advertisement
I. REC HEADAMP NG
Is the siganl from heads fed to pin
and pin
(LP mode) or pin
3
pin
(SP mode) of P101?
7
YES
IS ON/OFF 5V from pin
P102 supplied to pin
ICA01 at 5volts?
YES
Is REC (H) from pin
8
supplied to pin
of ICA01
7
at zero volt?
YES
Is H.A SW from pin
P102 supplied to pin
4
YES
Is video sw from pin
P102 supplied to pin
of ICA01?
5
YES
Is the signal from pin
and pin
1
(LP mode) or pin
and pin
5
fed to pin
10
of ICA01?
YES
Is the signal from pin
pin
of P102
1
YES
To VIDEO circuit
1
NO
and
5
of
10
NO
of
15
of P102
NO
of
4
NO
of ICA01
NO
of
5
3
NO
(SP mode)
7
NO
fed to
10
36
* ICA01:LA7416
Check drum and
deck mechanism
Check ON/OFF 5V
Check REC (H)
Check H.A SW
Check video SW
Change ICA01
Check PB EQ
* • REC (H) : "HIGH" in the record mode
"LOW" in the EE and PB mode.
* • H. A SW : "LOW" in the SP mode.
"HIGH" in the LP mode.
* • TRICK(H) : "HIGH" in the trick play.
"LOW" except trickplay.
Advertisement
Table of Contents
