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2-3-2. MIC Deviation Adjustment
Equipment : Spectrum analyzer
Audio generator
Preparations :
• S2 (INCOM MIC SEL)/AU-140 panel → D (DYNAMIC)
• CCU-700/700P/700A/700AP setting
S1003 (MIC LEVEL CH1)/AT-88 panel
• Supply an 1.0-kHz, –60 dBu (2.2 mVp-p) sine wave
signal from the audio generator to the MIC connector on
the CA-57A/57AP. (Refer to Section 2-1-3)
Test Point
: TP600/TR-92 (C-1)
Adjustment Point : 1RV600/TR-92 (C-3)
: A = 16.0 ±0.5 kHz
Specification
6.0 MHz
CENTER FREQ
SPAN
RBW
Note :
• After the adjustment is complete, be sure to return
S1003/AT-88 to its customer-set position.
BKP-590
→ NORM
A
6.0 MHz
100 kHz
1 kHz
2-3-3. INCOM RF Adjustment
Note :
• Use a plastic core driver to adjust 1LV.
Equipment
: Frequency counter
Test Point
: TP400/TR-92 (B-1)
Adjustment Point : 1LV400 (7.1 MHz)/TR-92 (B-2)
: 7,100 ±5 kHz
Specification
E80
TP80
E50
TP50
TP100
TP200
TP20
FL20
LV600
TP600
E600
LV400
TP400
E400
E850
LV850
TP850
TR-92 board (A side )
2-3. TR-92 Board Adjustment
LV80
TP703
LV50
E100
E701
E200
RV600
RV400
2-11(E)
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