2 - 1
General Description
2
2-1 Overview
VK-S454R/S454ER is a color chassis video camera: All these models incorporate an optical 23-power
compact zoom lens.
The signal process circuit is equipped with a digital signal processor (D.S.P.6) that is the same as
that of VK-S454/S454E.
The external appearance is identical to VK-S454/S454E.
2-1-1 Servicing method
Table 2-1-1 shows the method for servicing each circuit board.
Refer to "4 Troubleshooting" for the method of judging defects in each circuit board.
Information:
These servicing methods are subject to change without notice for the purpose of facilitating service
procedures.
Circuit board
CSR circuit board
SP circuit board
PC circuit board
Table 2-1-1 Circuit Board Servicing Method
Servicing method
Component replacement.
Component replacement or
Circuit board assembly
replacement (Order format).
*1
Fig. 2-1-1 Locations of Circuit Boards
PC CIRCUIT
BOARD
SP
CIRCUIT
BOARD
CSR CIRCUIT
BOARD
IC1121
*1: Since IC1121 mounted on the PC circuit board
is CSP type, replacement is not possible:
Replace the whole PC circuit board when
IC1121 becomes faulty. Other components on
the PC circuit board can be replaced.