Clock Select - JVC BR-S822U Service Training

Symbol No. | Switch Name Setting at Shipment Function
SW1 (41) Adjusting switch — Refer to Item No. 15 "Y/C timing adjustment' of TBC-1
(Y/C TIMING) circuit in SA-T22U SERVICE MANUAL (No. 9251)
SW2-1 (9H) | NTSC SW2 To set V. blanking period on TBC circuit as follows.
V. BLANKING ON ON WIDE (20 H)
PERIOD SELECT 5 OFF : NARROW (19 H)
switch o} lola
123 4
SW2-2 NTSC/PAL ON : NTSC (Make sure to set to ON.)
OFF : PAL
SW2-3 Adjusting switch ON To activate TBC forcibly regardless of setting of
(FORCE TBC switch) the TBC switch on the front sub panel (on back
of the operation panel).
OFF : TBC functions depending on the TBC switch.
Normally set to OFF position.
SW2-4 Not used —
[6:1] TBC-2 (SA-T22U optional)
Symbol No. | Switch Name Setting at Shipment Function
SW1 (1D) Adjusting switch SW1 NOR : For sormal operation
ADJ : For adjustment mode
ADJ [____a] NOR
Normally set to NOR position.
[6:'2; TBC-3 (SA-T22U optional)
Symbol No. Switch Name Setting at Shipment Function
SW1-1 (3H) | Adjusting switch SW1 ON For decoder adjustment mode
OFF : For normal operation
ON - we
Normally set to OFF position.
ojajojo
SW1-2 SYNC DETECT 1234 ON : For period detection mode
MODE switch OFF : For width detection mode and period detection
mode
SW1-3 W. CLOCK SELECT ON : For AFC mode
(1) OFF : For APC selection mode to affect SW1-4
SW1-4 W. CLOCK SELECT With SW1-3 set to OFF:
(2) ON For APC mode
OFF : For AFC-APC automatic selection mode
BR-S822 Course Appendix page 10