Incom Level Adjustment (Ca900H → Bs900H) - Panasonic DVCPRO AJ-CA901P Service Manual

Electrical Adjustment for AJ-BS900HEN & CA900HEN
7-8. INCOM Level Adjustment
CA900H → → → → BS900H
BOARD CAM POWER, CAM INCOM
TP AJ-BS900H COMMUNICATION TERMINAL
6pin, 7pin
ADJ. VR2 [ENG GAIN] : CAM POWER
VR1 [MIC LVL] : CAM INCOM
INPUT AJ-CA900H INCOM connector
M. EQ Audio Analyzer
SPEC. 0 +/- 1dBm
SW Setting
1. Set switches on the BS AUDIO BOARD and CAM
INCOM BOARD as follows.
SW
SW1 [ENG]
SW2 [ENG RTS LOAD]
SW1 [DM/CM]
MIC SW
Output Setting
2. Connect INCOM
RECEIVE (H)] and 5pin [PGM/RECEIVE (C)] of
AJ-CA900H to OUTPUT A connector of audio
analyzer.
3. Set Output parameters of audio analyzer as
shown below.
FUNCTION
FREQUENCY RANGE
OUTPUT MODE
OUTPUT LEVEL
FREQUENCY
LEVEL METER
LOAD
Input Setting
4. Connect communication terminal 6 pin [ENG TO L
(H)] and 7pin [ENG TO L (C)] of AJ-BS900H to
INPUT A connector of audio analyzer.
5. Set input parameters of audio analyzer as shown
below.
Setting BOARD
4W BS AUDIO
ON BS AUDIO
CM CAM INCOM
ON CA900H Side panel
connector 4 pin [INCOM
: OSC
: X100
: A
: -10dB
: 1000Hz
: 0dBm
: OFF
FUNCTION
INPUT IMPEDANCE
FILTER
LM/DM RANGE
6. Adjust VR2 so that the audio level is within the
specification.
7. Set SW1 on the CAM INCOM BOARD as follows.
SW
SW1 [DM/CM]
8. Set output parameter of audio analyzer as shown
below.
OUTPUT LEVEL
9. Adjust VR1 so that the audio level is within the
specification.
ELE-20
: LM
: 600Ω
: FLAT
: AUTO
Setting BOARD
DM CAM INCOM
: -55dB