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3-8. TRIAX Interface System Adjustment
3-8-1. Frequency Set Adjustment
Rank:
C
Note:
Check to see that the signals are not
input to the INCOM connector and
PGM connector of the CCU-700A/
700AP rear panel or the intercom
double jack on the front panel.
Parform the adjustment only when
replacing the following part.
1LV1, 21, 41, 61, 81,
D2, 22, 42, 62, 82
Equipment:
Frequency counter, DC power
supply, Digital voltmeter
To be extended:
AT-88 board
Adjustment Procedure
AT-88 board (GND: E2)
Test point Adj. point
PGM
TP5
1LV81
INCOM 1
TP3
1LV81
INCOM 2
TP4
1LV61
H CONT
TP1
1LV1
CCU DATA
TP2
1LV21
* When carrying out H CONT Frequency Set Adjustment, supply the DC
voltage of +2.5 ±0.05 V to the pin C19/extension board.
CCU-700 A
CCU-700AP
Specifications
4.300 ±0.005 MHz
3.600 ±0.005 MHz
3.900 ±0.005 MHz
2.500 ±0.005 MHz *
S1001
3.000 ±0.005 MHz
MODE1
MODE2
S1002
AT
(PANEL SIDE)
3-8. TRIAX Interface System Adjustment
TTL
S2822
S1006 S1007
POWER
TTL
S2792
REMOTE MODE-1
REMOTE MODE-2
POWER POWER
E1000
TP22
TP1001
S2061
TP23
E2
LV1 LV21
TP1
RV81
TP21
RV61
E20
RV41
TP45
E1
TP44
TP42
TP46
E11
S2491
RV2341
ENG SELECT
RV2342
S1005
S1004
S2301 S2062
S1003
CCU PAINT
-
5
+12
INCOM
-
12
+5
MIC LEVEL
SELECT
PGM
REAR
NORM
NORM
MIX
INCOM MIC
MIN
MIN
-
-
CH
1
CH
2 CLEAR
DYNAMIC
ENG
PROD
CARBON
SIDE
PRIVATE
TONE
AT-88 BOARD (COMPONENT SIDE)
CONTACT
S2821
G TALLY
POWER
S2791
Y TALLY
RV2431
RV2432
RV2310
TP47
S2081
RV2382
E12
TP48
S2082 S2083
S2341
RV2301
RV2302
TP15
TP13
TP10
TP17
RV501
TP9
TP12
TP7
S201
RV401
RV101
TP2
RV301
TP5
T201
LV81
T501
S301
T301
TP6
T401
RV201
LV61
TP4
TP16
TP11 TP8
TP14
LV41
LV101
TP3
S2241
PROD SELECT
TP43
RV2451
RV2452
RV2491
TP40
RV2211
E10
RV2212
RV2241
ENG
PROD
RTS
CANCEL
2W
RTS
2W
LEVEL
CANCEL
CANCEL
2W
2W
CANCEL
LEVEL
3-39
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