....
This section provides complete electrical
adjustment
procedures which may
be
required
for
electrical circuits
of
S-VHS
video cassette
recorder
AG-7350
and
S-VHS
video
cassette
player
AG-7150.
5-1.
TEST
EQUIPMENT
To perform the electrical
adjustments
completely,
the
following equipments
are
required.
1.
VTVM (Vacuum Tube
Volt
Meter)
or
DVM (Digital
Volt
Meter)
Voltage range . 0.001
to
50V
2.
Dual-Trace
Oscilloscope
Voltage
Range : 0.005
to
50V
/div
Frequency Range :
DC
to
400MHz
Probes :
10
: 1 and 1 : 1
3.
Frequency Counter
Frequency Range :
0
to
1OM
Hz
4.
Signal Generator (Sinewave)
Frequency Range :
0
to
500KHz
5.
Video Sweep Generator
Frequency Range :
0
to
1OM
Hz
6.
Composite Signal Generator
Output
: Colour Bar, Multi Burst, Sin
2T
Pulse
& Bar etc ...
7.
Spectrum Analyzer
8. Colour
Monitor
TV
9.
VHS
AI
ignment Tape (VFM8180HADH)
10.
S-VHS
Blank Tape
11. VHS
Blank Tape
12. Extender (VFK0684)
for
Mother board checking
13. Extender (VFK0685)
for
Front
board checking
~
5-2.
SERVICE
INFORMATION
t)
5-2-1.
How
to
use
the
extender
boards
(VFK0684,
::::>
VFK0685)
..,
c
<(
_.
<(
(.)
a:
....
(.)
w
_.
w
FRONT
C.
B.A.
5-4
AUDIO
(2)
C.B.A.
AUDIO
(1)
C.
B.A.
VIDEO
(3)
C.B.A.
VIDEO
(2)
C.
B.A.
VIDEO
(1)
C.B.A.
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