Read Sharp XV-C20E (serv.man3) Service Manual online
XV-C20E
13
ADJ IN (adjustment input) FUNCTION
1. Keys used for the adjustments
On the sub PWB:
S2001
Control keys:
[ENTER], [MENU], [SELECT/ADJ.
'
], [SELECT/ADJ.
"
], [VOLUME
'
]
2. Operation
Press S2001 to call up the ADJ IN mode.
Use the [SELECT/ADJ.
Use the [SELECT/ADJ.
'
] and [SELECT/ADJ.
"
] keys to select an adjustment group, and press the [ENTER] key.
Use the [SELECT/ADJ.
'
] and [SELECT/ADJ.
"
] keys again to select an adjustment subject, and press the
[ENTER] key.
The [SELECT/ADJ.
The [SELECT/ADJ.
'
] and [SELECT/ADJ.
"
] keys are also used to make adjustments.
Each time the [ENTER] key is pressed on the ADJ IN screen, the adjustment subjects of a group are changed one
by one. (Pressing the [VOLUME
by one. (Pressing the [VOLUME
'
] key changes the subjects in the reverse order.)
When the [MENU] key is pressed, the previous group appears on the screen.
Press S2001 again to go out of the ADJ IN mode.
Press S2001 again to go out of the ADJ IN mode.
3. Adjustment subjects
VIDEO 1
H-CENT
TDA8375A Sub-address 03 D5~D0
PAL-H-CENT
TDA8375A Sub-address 03 D5~D0
CONT
TDA8375A Sub-address 12 D5~D0
BRIGHT
DAC2 Pin (18) RGB MBRT
R-BRT
DAC2 Pin (19) R MBRT
B-BRT
DAC2 Pin (2) B MBRT
SUB-R
TDA8375A Sub-address 0C D5~D0
SUB-G
TDA8375A Sub-address 0D D5~D0
SUB-B
TDA8375A Sub-address 0E D5~D0
DAVREF
DAC1 Pin (2) DA VREF
VIDEO 2
SIGCTR
DAC1 Pin (8) SIG CTR
SUB-BIAS
DAC2 Pin (3) RGB SBRT
R-BIAS
DAC2 Pin (4) R SBRT
B-BIAS
DAC2 Pin (5) B SBRT
DRIVE1
DAC2 Pin (6) RGB GAIN
R-DRIVE
DAC2 Pin (7) R GAIN
B-DRIVE
DAC2 Pin (8) B GAIN
TINT
TDA8375A Sub-address 02 D5~D0
COLOR
TDA8375A Sub-address 11 D5~D0
PAL-COLOR
TDA8375A Sub-address 11 D5~D0
SECAM-COLOR
TDA8375A Sub-sddress 11 D5~D0
VIDEO 3
WHTLIM
DAC2 Pin (9) WHT LIM
BLKLIM
DAC2 Pin (13) BLK LIM
SIDCTR
DAC1 Pin (6) SID CTR
VCOMCTR
DAC1 Pin (7) VCOM CTR
DRIVE2
DAC2 Pin (6) RGB GAIN
BLKCENT
DAC2 Pin (12) BLK CENT
SIGCTR
DAC1 Pin (8) SIG CTR
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