1-4-4, Setting Of The System Select Circuit - Sony BVE-600 Maintenance Manual

1-4-4. Setting Of The System Select Circuit
Along with the select switches and controls located on the contro! panel and connector panel, internal system select circuits are
on the circuit boards.
(1) IF-167 Board
(i) SI, S2:
When the unit is shipped, all of them are set to ON.
Be sure not to turn any of them OFF.
ABEES
Gi) S4,S5:
When the unit is shipped, they are set to the bottom.
Be sure not to turn them to the upper.
CUE TONE
S4
NORMAL
S5
(2) SY-113 Board
(i) S1 RESET Switch: When this switch is pushed, CPU is reset.
(ii) S2 BACKUP ON/OFF Switch: This is ON/OFF switch for the memory battery backup function on the SY-113 board.
When the set is shipped, the BACKUP ON/OFF switch is set to the ON.
Gi) S3 SYSTEM SELECT Switch: When the set is shipped;
For UC ; Bit 1 to 8 are set to the OFF position.
For EK ; Bit 1 to 3 are set to the ON position.
Bit 4 to 8 are set to the OFF position.
Function:
* Bit 1, Bit 2
These bits select the video system.
Bit 1 | Bit 2 Video System
OFF | OFF NTSC
PALM
PAL/SECAM
1-4