3-51
CCU-700 A
CCU-700AP
Less than
40 mV p-p
200 ± 10 mV p-p
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
1
RV2211 (PROD 2W LEVEL)/AT-88 board so
that the signal level at TP43/AT-88 board is 200
±
10 mV.
3-10-4. PROD CANCEL 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
• MIC switch/CCU front panel
→
“CARBON”
• INCOM (PROD/PRIV/ENG) switch/
AT-88 board panel
→
“PROD”
• S2241 (INCOM 2 SELECT)/AT-88 board
→
“2W”
• Connect between pin B70 and pin D70/
extension board with 600
Z
resistor.
Test point
:
TP43 (GND: E10)/AT-88 board
Adjustment Procedure
1.
Feed the 1 kHz, 220 mV p-p sine-wave to INCOM
connector (CCU-700A/700AP).
2.
Adjust
1
RV2212 (PROD 2W CANCEL)/AT-88 board
so that the audio level at TP43 (GND: E10)/AT-88
board is minimum.
3-10. 2W Intercom System Adjustment
E20
LV61
RV41
LV41
TP4
TP3
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
(PANEL SIDE) AT-88 BOARD (COMPONENT SIDE)
RV201
TP6
T401
