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2-3. TR-92 Board Adjustment
2-3-4. INCOM Deviation Adjustment
Equipment
: Spectrum analyzer, Audio generator
Preparations :
• S2 (INCOM MIC SEL)/AU-140 panel → D (DYNAMIC)
• Supply an 1.0-kHz, -60 dBu (2.2 mVp-p) sine wave
signal from the audio generator to the INCOM connector
on the CA-57A/57AP. (Refer to Section 2-1-3)
Test Point
: TP400/TR-92 (B-1)
Adjustment Point : 1RV400 (INCOM DEV)/TR-92 (B-3)
: A = 20.0 ±0.5 kHz
Specification
7.1 MHz
CENTER FREQ
SPAN
RBW
Note :
• After the adjustment is complete, be sure to return S2/
AU-140 to C position.
TTL
S1006 S1007
S2822
POWER
REMOTE
REMOTE
TTL
MODE 1
MODE 2
S2792
POWER
E1000
TP22
TP1001
TP23
S1001
MODE 1
TP45
TP44
E1
TP42
E11
RV2341
S2491
ENG
RV2342
SELECT
S2301
S1005
S2062
S1004
S1003
CCU PAINT
MIC LEVEL
REAR INCOM MIC
CLEAR
ENG
AT
-12 -5 +5 +12
NORM
NORM
MIN
MIN
CH1
CH2
DYNAMIC CARBON
AT-88 BOARD /CCU-700/700A (A SIDE)
2-12(E)
A
7.1 MHz
100 kHz
1 kHz
CONTACT G TALLY
S2821
POWER
CONTACT Y TALLY
S2791
POWER
RV2432
RV2431
RV2310
S2081
TP47
RV2382
TP48
S2061
S2082 S2083
S2341
RV2301
RV2302
TP46
S2241
PROD
SELECT
RV2451
RV2452
RV2491
TP40
RV2211
RV2212
RV2241
ENG
PROD
INCOM SELECT
2W CANCEL
2W CANCEL
PGM MIX
SIDE
2W
RTS
2W
RTS
PROD
TONE
LEVEL
CANCEL
LEVEL
CANCEL
PRIVATE
2-3-5. DATA RF Adjustment
Note :
• Use a plastic core driver to adjust 1LV.
Equipment
Test Point
Adjustment Point : 1LV850 (5.6 MHz)/TR-92 (A-2)
Specification
CENTER FREQ
SPAN
RBW
E12
TP43
E10
: Spectrum analyzer
: TP850/TR-92 (A-1)
: Center frequency 5,600 ±5 kHz
5600 kHz
5,600 kHz
100 kHz
1 kHz
E80
LV80
TP80
TP703
E50
LV50
TP50
T100
T101
TP100
E100
T200
T201
E701
TP200
E200
TP20
FL20
LV600
RV600
TP600
E600
LV400
RV400
TP400
E400
E850
LV850
TP850
TR-92 board (A side )
BKP-590
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