Sanyo PLC-XP18N Service Manual page 34

lElectsis^l Adjustments^
5A. Pedestal ieve) Adjustment
. . . . . . . . . . Oscilloscope
Equipment " " -
Input s i g n a ) " " -
Pictu re condition
^put mode - - - -
16 Step gray scale signal
- " - " " " " " Normal
. . . . . . . . . . . . . . . . . . A V
-^-5A-1. Pedestal adjustment (Composite)
Input s i g n a ) . . . . . . . . . . - - - - . . . " . . - . . - . - -Composite video
Connections TP1101G TP1101R TP1101B
Adj. Data no. "23"(G) "24"(R) "25"(B)
Adjut each black and pedestal level to be same level.
-^- 5A-2. Pedesta! adjustment (Component-480p)
Input s i g n a l . . . - . . . . - - - - - - - - " . . . . . . . . . Component-480p
Connections TP1101G TP1101R TP1101B
Adj. Data no. "23"(G) "24"(R) "25"(B)
Adjut each black and pedestal tevel to be same level.
-^5A-3. Pedestal adjustment (Component-lOSOi)
Input s i g n a l . . . . . . . . . . . . . . . . . . . . . . . . . . -Component-lOSOi
Connections TP1101G TP1101R TP1101B
Adj. Data no. "23"(G) "24"(R) "25"(B)
Adjut each black and pedestal level to be same level.
'^ 6-2-2. AV gain adjustment (Component-480p)
Input signal - - - . - . . . - - - - - - - . . . . . . . . . . . . Component-480p
Connections TP2202(G) TP2201(R) TP2203(B)
Adj. Data no. "16"(G) "17"(R) "18"(B)
Adjut each adjustment for 1.00 ± 0.05V P.P.
T^ 6-2-3. AV gain adjustment (Component-10801)
Input s i g n a l - . . . . . - . . - - . . . - . . . - - - - - - . . -Component-10801
Connections TP2202(G) TP2201(R) TP2203(B)
Adj. Data no- "16"(G) "17"(R) "18"(B)
Adjut each adjustment for 1.00 ± 0.05V P-P.
[6. Video gain adjustment
'Equipment - " "
Input signal"-"
Picture condition
. . . . . . . . . . Oscilloscope
16 Step gray scale signa]
" " " " " " " N o r m a l
!7. Gamma off video adjustment
Equipment " " -
Input signal""-
Picture condition
Connections
. . . . . . . . . . . O s c i l l o s c o p e
- 16 Step gray scale signal
- - " " " - - - " " N o r m a l
TP512 and chassis ground
D7-1- CG video adjustment Green
Input signa! and mode - . - - - - - - - - - - - - - " - - - - - - Computer
Adjustment Set service mode. Setect Data no."Q7".
By using VOLUME + - buttons, adjust ampli-
tude A to be 1.30 ± 0.05V P-P.
D 7-2- AV video adjustment Green
Input s i g n a l . . . . - - - . . - " - - - - " " " - - " - -Composite video
Input mode . . . . . . . . - - . - - - - - - - - - - - - - - . - AV(Composite)
Adjustment Set service mode. Select Data no."07".
By using VOLUME + - buttons, adjust ampli-
tude A to be 1.30 ± 0.05V P-P.
D6-1. CG gain adjustment Green
Connections . . . . - - . . - - - . . . . TP2202 and chassis ground
Inputmode . . . . . . . " - - - . - . - - - " - - - - - " - - " . C o m p u t e r
Adjustment; By using VR220I, adjust amplitude A to be
1.10± 0.05V P.P.
Q 6-2. AV gain adjustment
Inputmode " " " . - " - "
AV
-^- 6-2-1. AV gain adjustment (Composite)
Input signal-... " . . - " " " " - - " " " " -Composite video
Connections TP2202(G) TP2201(R) TP2203(B)
Adj. Data no. "16"(G) "I7"(R) "18"(B)
Adjut each adjustment for 1.00 ± 0.05V P-P.
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MFA/MHA