3-45
CCU-700 A
CCU-700AP
3-8-10. MIC 1 Level Adjustment
Rank
:
B
Equipment
:
Oscilloscope, Audio generator
To be extended
:
AT-88 board
Preparation
• Extend the AU-177 board (BVP camera) with extension
board EX-439.
• S1003 (MIC 1 GAIN) switch/AT-88 board
→
“MIN”
Test point
:
TP10 (GND: E12)/AT-88 board
Adjusting point
:
1
RV201 (MIC 1 LEVEL)/AT-88
board
Adjustment Procedure
1.
Feed the 1 kHz, 270 mV p-p sine-wave to pin 66 (X),
pin 65 (Y) and pin 67 (GND)/extension board (BVP
camera).
…Fig-3 (Refer to 3-1-4. Audio connection.)
2.
Adjust
1
RV201 (MIC 1 LEVEL) on the AT-88 board
so that the signal level at TP10 (GND: E12) on the
AT-88 board is 1100
±
50 mV p-p.
3-8. TRIAX Interface System Adjustment
1100 ± 50 mV p-p
S1006 S1007
REMOTE MODE-1
REMOTE MODE-2
E1000
TP1001
TP22
TP23
S1001
MODE1
S1002
MODE2
TP21
E2
E20
TTL
POWER
S2822
TTL
S2792
CONTACT
POWER
S2821
G TALLY
S2791
Y TALLY
POWER POWER
RV2432
RV2431
S2081
RV2310
RV2382
TP47
TP48
E12
S2082 S2083
S2061
S2341
RV2301
RV2302
TP10
TP13
TP9
TP15
TP17
RV501
RV401
TP12
S301
RV201
RV301
LV1 LV21
TP1
TP2
TP7
RV101
RV81
LV81
RV61
LV61
RV41
LV41
TP5
TP4
TP3
TP6
T401
T501
TP16
TP14
TP11 TP8
LV101
TP45
TP44
E1
TP42
E11
TP46
S2491
ENG SELECT
S1004
S1003
S1005
S2301 S2062
TP43
TP40
E10
RV2342
RV2341
RV2451
RV2452
RV2491
RV2211
RV2212
RV2241
S2241
PROD SELECT
-
12
-
5
+5
+12
NORM
MIN
CH
-
1
NORM
MIN
CH
-
2 CLEAR
MIC LEVEL
CCU PAINT
REAR
INCOM MIC
DYNAMIC
CARBON
ENG
PRIVATE
PROD
PGM
MIX
INCOM
SELECT
SIDE
TONE
2W
LEVEL
2W
CANCEL
RTS
CANCEL
2W
LEVEL
2W
CANCEL
RTS
CANCEL
ENG
PROD
AT
S201
T301
T201
(PANEL SIDE) AT-88 BOARD (COMPONENT SIDE)