Sony CA-570 Maintenance Manual page 19

Ref.No. Name
S100 TEST OUT signal select switch
n
The table below shows selectable output signals in combination with S100-1 through S100-4
and depending on whether the RET CONT signal is low or high
S100-1 PB VIDEO/RET
S100-2 VBS/RET
S100-3 MONITOR/VBS
S100-4 RET CONT
Selecting TEST OUT signal
S100-1 S100-2
OFF OFF
ON OFF
X ON
X ON
OFF ON
OFF ON
X: Don't care.
CA-570 P1
Description
Disables automatically switching between PB VIDEO and RET VIDEO
signals when S100-1 is set to ON
Disables automatically switching between VBS/MONITOR and
PB/RET VIDEO signals when S100-2 is set to ON
Selects MONITOR or VBS signal
Inhibits the RET CONT signal when S100-4 is set to OFF
S100-3 S100-4
X X
X X
OFF OFF
ON OFF
OFF ON
ON ON
RET CONT Output signal at TEST OUT connector
X RET VIDEO OUT (in connection with CCU)
PB VIDEO OUT (in connection with VTR)
X PB VIDEO OUT
X VBS OUT
X MONITOR OUT
Low RET VIDEO OUT (in connection with CCU)
Low PB VIDEO OUT (in connection with VTR)
High VBS OUT
Low RET VIDEO OUT (in connection with CCU)
Low PB VIDEO OUT (in connection with VTR)
High MONITOR OUT
1-4. Function of Internal Switches
Factory setting
OFF
OFF
OFF
ON
1-15 (E)