Maintenance Service And Trouble Shooting - Haier HTX21S31 Service Manual

10

Maintenance service and trouble shooting

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1). Adjustment item Explanation:
OSD
0 H.PHASE
1 NT.H.PHASE
2 H.BLK.LEFT
3 H.BLK.RIGHT
4 V.SIZE
5 V.LINE
6 V.POSI
7 V.SC
8 NT.V.SIZE
9 NT.V.LINE
10 NT.V.POSI
11 NT.V.SC
12 RF.AGC
13 VOL.OUT
14 OSD H.POSI
15 OSD V.POSI
16 INPUT LEVEL
17 SPECTRAL
18 WIDEBAND
19 STEREO VCO
20 FILTER SET
21 SAP VCO
2). Setting item explanation:
OSD
0 LA76814/LA768
12
1 SAP IC SELECT 0:TDA9850;1:CXA2104;2:TDA9855;3:UPC1815B
2 SUB.CONT
3 SUB.COLOR
4 SUB.SHARP
5 SUB.TINT
6 BLK.STR.DEF
7 AFC GAIN
8 V.SEPUP
9 CD.MODE
10 DIGITAL OSD
11 OSD CONT.
12 GRAY MOD
13 B.GAM.SEL
14 RG.GAM.DEF
15 FBPBLK.SW
16 BRIGHT ABL.TH "Bright.abl.threshold"(0-7)
17 EMG.ABL.DEF
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Explanation
H.PHASE
H.PHASE
Vertical Size
Vertical Linearity
Vertical DC
Vertical S-Correction
Vertical Size
Vertical Linearity
Vertical DC
Vertical S-Correction
RF AGC Delay
Volume Control
Function
0: select LA76814
Sub-contrast(0-31)
Sub-color(0-63)
Sub-sharpness(0-31)
Sub-tint(0-63)
Black level stretch (0:on; 1:off)
AFC gain (0:low; 1:high)
Vertical synchronize sensitive
"Count down mode"(LA76814:0/1;LA76812:0-7)
Digital OSD setting (0:anlyos 1:digital)
OSD contrast (0-127)/LA76814 (0-3)
Gray mode (0/1)
Blue γ select (0-3)
Red green γ define (0/1)
FBPBLK.SW (0/1)
"Emg.abl.def"
Maintenance service and trouble shooting
Range Remark
0~31
0~31 No used
0~7
0~7
0~127
0~31
0~63
0~31
-32~+31
-16~+15
-32~+31
-16~+15
0~63
0~127
0~127
0~31
0~15
0~63 (0~31)PHILIP IC
0~63 (0~31)PHILIP IC
0~63 No used
0~63 No used
0~63 No used
0 low;1:high
15
1:select LA76812