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GSW-9320
7. PILOT
SIGNAL
TRAP
ADJUSTMENT
Test
tape
Test
point
Adjustment
Adjust
for
R/P and pause | Blank tape
20A, 20B
L102, L202
Electronic
Voltmeter
Remark
Deck
A: stop
Oscilloscope
Record/Playback
Audio Generator
Line In
and Pause
A, B Point
Figure 10 Pilot Signal Trap Adjustment
Connection
Diagram
8. BIAS
TRAP
(2) ADJUSTMENT
Test
tape
Test
point
Adjustment
| Adjust for |
for
R/P and
pause
Metal
tape | R431,
R481
L403,
L453
Electronic
Oscilloscope
Voltmeter
Metal
function.
Deck
A: stop.
Test Tape
Record/Playback
Head
Figure 11 Bias Trap (2) Adjustment
Connection
Diagram
9. RECORD
PEAKING
FREQUENCY
ADJUSTMENT
(AT NORMAL
SPEED)
| Deck —
Test
point
| Test point
| Test point
Adjustment
Adjust for
Dubbing off -
R/P and
pause | Blank
tape
R431,
R481
L401,
L451
Deck
A: stop.
Electronic
Oscilloscope
Voltmeter
:
Record/Playback
Audio Generator
and Pause Mode
R431
Line
In
16kHz
100mMV~-10dB
Figure 12 Record
Peaking
Frequency
Adjustment
Connection
Diagram
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