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PC-W150 B/E/G/G!
Main Adjustments
@ Equipment and Measuring Instrument used for Adjustments
Electronic voltmeter
Wow-flutter meter
torque testing cassette gauge CTG-N
Audio frequency oscillator
Frequency counter
Alignment tape
Attenuator
Standard signal generator
Measuring tape : TS-8 (UR)
VTT702
(8 kHz)
@ Condition for Measurements
Power Supply
........
AC 110~ 120/220~
240 V : (50/60 Hz)Function position .... TAPE/FM MODE
: TAPE NORMAL
DC 12V
FUNCTION
: NORMAL SPEED
Reference output
...
Speaker
: O dBs (0.775 V)/3 Q
SEA
: Center
Headphone
: — 10 dBs (0.245 V)/32 Q
3D
: OFF
Reference Input
.....
Ext. MIC
: —58dBs
BEAT CUT
: NORMAL
DC IN
: -5 dBs
@ Condition for Measurement: Tuner Sections
Attentive point
Supply voltage : DC 12 V or AC 110—120/220
~ 240 V
Connection of IF sweeper :
Applied voltage of the Tuner : DC 6.5 V
Connect a 30 pF capacitor and a 33 kQ resistor in series
Reference output : Speaker ; 50 mW
(0.4 V)/3 0
to the sweeper's output while 0.082 »F capacitor and
Input signal : (AM) modulation frequency; 400 Hz, 30%
a 100 kQ resistor in parallel to the input.
(FM) Modulation frequency;
IF sweeper's output level :
400 Hz, 22.5 kHz dev.
Set as minimum as enough for adjustment.
Set position of Volume and Switch : SEA; Center
FM MPX adjustment :
For this adjustment, connect a 100 kQ resistor in series
to a frequency counter's input.
Dummy antenna for short wave.
Loop Antenna
P ANT!
A
AM SSG
LOOP
ANTENN
a
a
BAR ANT.
60cm
|
Fig. 8-1
Lod length
(cm)
|_ C1 (PE)
R1+R2=80
2 R1 : Output impedance of SSG.
12 (No.
1785)
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