Main Adjustment Oo - JVC PC-X95B Service Manual

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Main Adjustment.
H Measuring Conditions
e Reference output: Speaker 0 dBs (0.775 V)/3 Q
Headphone: 0 dBs (0.775 V)/32 Q
Test point (CNTP1): -30dBs — cntP1
Test point (CNTP1): -50dBs [[o_9 of}
© Reference input:
GRL
(REC/PB characteristics check input)
e Switch setting FUNCTION switch TAPE
MODE switch STEREO
TAPE SELECT switch : NORMAL
BEAT CUT switch POSITION 1 or
NORMAL
DUBBING SPEED switch : NORMAL
e Volume setting : BASS/TREBLE: Center
MAIN volume : for 0 dBs output level
® Tape to be used:
- Normal tape for REC and PB
- Test tapes
flutter, tape speed
V11724 (1 kHz, —4 dB) for standard level adjustment
VTT703 (10 kHz, -10 dB): for azimuth adjustment
V1T736 (8 kHz/1 kHz/125 Hz): for measurement of PB fre-
quency response
@ CD Player Adjustment
TP502
FW601
CD BOARD
20 (No. 1859)
e Attentive point
- Connection of IF sweeper:
Connect a 30 pF capacitor and a 33 kQ resistor in series
to the sweeper's output while 0.082 uF capacitor and a
100 kQ resistor in parallel to the input.
- IF sweeper's output level:
Set as minimum as enough for adjustment.
Loop Antenna
60cm ;
Fig. 3-1
Dummy antenna for short wave.
BAR ANT.
R1 + R2 = 80 QA : Output impedance of SSG.