Hitachi 42EDT41A Service Manual page 33

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Service adjustment items by I
Adj.
No.
Adjust Items
24 Black Level(RGB_AMP)
25 Black Level(RGB_AMP)
26 Reference Amplitude(RGB_AMP)
27 Reference Amplitude(RGB_AMP)
28 Display for Max. Amplitude Level
29 Display for Max. Amplitude Level
30 SUB_CONTRAST(RF)
31 SUB_CONTRAST (AV1)
32 SUB_CONTRAST(RF)
33 SUB_CONTRAST (AV4)
34 SUB_COLOR(VIDEO-PAL/SECAM)
35 SUB_COLOR(RF-PAL/SECAM)
36 SUB_COLOR(VIDEO-NTSC)
37 SUB_COLOR(RF-NTSC)
38 SUB_COLOR(VIDEO-PAL/SECAM)
39 SUB_COLOR(RF-PAL/SECAM)
40 SUB_COLOR(VIDEO-NTSC)
41 SUB_COLOR(RF-NTSC)
46 S_B-Y_ADJ
47 S_R-Y_ADJ
48 S_B-Y_ADJ
49 S_R-Y_ADJ
50 BPF_Q (4.43MHz)
51 BPF_f0 (4.43MHz)
52 Y_DL (4.5MHz) For Asia
53 Y_DL (5.5MHz PAL/NTSC4.43) For Asia
54 Y_DL (5.5MHz SECAM) For Asia
55 Y_DL (6.0PAL/NTSC4.43) For Asia
56 Y_DL (6.0SECAM) For Asia
57 Y_DL (VIDEO PAL/NTSC4.43)
58 Y_DL (VIDEO SECAM)
59 Y_DL (VIDEO NTSC)
60 BELL_f0
61 Y_OUT_LEVEL (VIDEO)
62 Initialize function for EEPROM of Video PWB board
63 Y_OUT_LEVEL (TEXT)
64 C_OUT_LEVEL (VIDEO)
65 Check condition of EEPROM of Video PWB board
66 C_OUT_LEVEL (TEXT)
67 Y_OUT_LEVEL (TEXT)
2
C-bus control
Function
Mode
TV/VIDEO
PC
TV/VIDEO
PC
Main
SUB
MAIN
MAIN/SUB COMPOSITE mode
SUB
MAIN/SUB COMPOSITE mode
MAIN
MAIN
MAIN
MAIN
SUB
SUB
SUB
SUB
MAIN
MAIN
SUB
SUB
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
0:Normal, 1:Abnormal(Fail or no assembly)
MAIN
SUB
33
O :
Should be adjusted
Should be followed previous data
Changed Component
Maximum
Default Formatter
VIDEO
TUNER
Value
PWB
PWB
PWB
254
127
254
127
254
127
254
127
-
-
-
-
15
7
15
7
15
7
15
7
15
10
3
8
15
10
15
6
15
10
3
8
15
10
15
8
15
8
15
8
15
8
15
8
3
3
3
1
10
5
10
3
10
0
10
9
10
9
10
6
10
8
10
6
1
0
63
13
1
0
63
0
63
7
1
-
63
0
63
12
PW1A
PDP
PANEL

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