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3-10-3. PROD Level Adjustment
n
• Perform the following adjustment to much the input
level of the camera system.
Rank:
C
Equipment:
Oscilloscope, Audio generator
To be extended:
AT-88 board
Preparation
• S2241 (INCOM 2 SELECT)/AT-88 board → "2W"
Test point:
TP43 (GND: E10)/AT-88 board
Adjustment Procedure
1. Feed the 1 kHz, 1 V p-p sine-wave to pin D71 (X), pin
B72 (GND)/extension board.
...Fig-2 (Refer to 3-1-4. Audio connection.)
2. Adjust 1RV2211 (PROD 2W LEVEL)/AT-88 board so
that the signal level at TP43/AT-88 board is 200 ±10 mV.
CCU-700 A
CCU-700AP
http://getMANUAL.com
3-10-4. PROD CANCEL Adjustment
n
• Perform the following adjustment to much the input
level of the camera system.
Rank:
Equipment:
To be extended:
Preparation
• MIC switch/CCU front panel → "CARBON"
• INCOM (PROD/PRIV/ENG) switch/
• S2241 (INCOM 2 SELECT)/AT-88 board → "2W"
• Connect between pin B70 and pin D70/
Test point:
Adjustment Procedure
1. Feed the 1 kHz, 220 mV p-p sine-wave to INCOM
connector (CCU-700A/700AP).
200 ± 10 mV p-p
2. Adjust 1RV2212 (PROD 2W CANCEL)/AT-88 board
so that the audio level at TP43 (GND: E10)/AT-88
board is minimum.
-
-
12
AT
(PANEL SIDE)
3-10. 2W Intercom System Adjustment
C
Oscilloscope, Audio generator
AT-88 board
AT-88 board panel → "PROD"
extension board with 600 Z resistor.
TP43 (GND: E10)/AT-88 board
LV61
E20
RV41
LV41
TP45
E1
TP44
TP42
TP46
E11
S2491
RV2341
ENG SELECT
RV2342
S1005
S1004
S2301 S2062
S1003
CCU PAINT
5
+12
INCOM
+5
MIC LEVEL
SELECT
PGM
REAR
NORM
NORM
MIX
INCOM MIC
MIN
MIN
-
-
CH
1
CH
2 CLEAR
DYNAMIC
ENG
PROD
2W
CARBON
SIDE
LEVEL
TONE
PRIVATE
AT-88 BOARD (COMPONENT SIDE)
Less than
40 mV p-p
TP6
T401
RV201
TP4
TP16
TP11 TP8
TP14
LV101
TP3
S2241
PROD SELECT
TP43
RV2451
RV2452
RV2491
TP40
RV2211
E10
RV2212
RV2241
ENG
PROD
RTS
CANCEL
RTS
2W
CANCEL
CANCEL
2W
2W
CANCEL
LEVEL
3-51
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