Toshiba 42AV500P, Service Manual

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1) Set speaker volume to 100. (Any value is OK, but 100 is better to check sound level.)
2) Down value of VOLUX until finding suitable sound volume level.
OPT6
OPT7
OPT8
VOLUX FUNCTION DESCRIPTION 1 0 (Normal)
D7 (bit7) ~
D0 (bit0)
Max Limiter of Volume Control 0x00 ~ 0x7F (Normal: 0x7C)
OPT6 FUNCTION DESCRIPTION 1 0 (Normal)
D7 (bit7) Enable mode that POS or VIDEO program
number will be appeared in forced when turn
ON the main power
Enable Disable
D6 (bit6) ~
D0 (bit0)
POS or VIDEO program number 0 ~ 127 [decimal] (Normal: 0)
POS number: 0 ~ 99
VIDEO number: 100 ~ 127
(DTV = 100, VIDEO = 101,
VIDEO = 102..)
100 is used as ATV when
DTV option is disable.
OPT7 FUNCTION DESCRIPTION 1 0 (Normal)
D7 (bit7) Enable mode that speaker volume will be set in
forced when turn ON the main power
Enable Disable
D6 (bit6) ~
D0 (bit0)
Forced speaker volume 0 ~ 100 [decimal] (Normal: 0)
Value above 100 is no effect.
OPT8 FUNCTION DESCRIPTION 1 0 (Normal)
D7 (bit7) ~
D3 (bit3)
- (no use) - -