Section 2 Service Overview
2-1. Notes on Service
2-1-1. Installing Jumper Board
The DA-128 board is provided with a jumper board CN-1566 on it. The CN-1566 board is necessary when the RC-68 board of OHB-730WS/730WSP/750WSA/750WSAP is not installed. Unless the RC-68 board is installed, be sure to connect the CN-1566 board to the DA-128 board. If not, the video image will not be displayed normally.
2-1-2. Reset of Breaker
Excessive current in the internal circuitry will trip the internal circuit breaker regardless of causes. If the circuit breaker trips once, check the circuit or block concerned, and then press the appropriate breaker release button. If there is no trouble, the power to the unit will be turned on.
CAMERA POWER
BREAKER EXT DC IN
CAMERA
VF
LENS
DC OUT
REMOTE
Power assembly
2-1-3. Standard Tightening Torque for Screws
The standard tightening torque for the screws used in BVP-900/900P/900WSPK are as follows.
Screw type M2 M2.6 M3 M4 Tightening torque 19 x 10 _2 N.m (1.9 kgf.cm) 53 x 10 _2 N.m (5.3 kgf.cm) 80 x 10 _2 N.m (8.0 kgf.cm) 140 x 10_2 N.m (14.0 kgf.cm)
