![background image](http://html1.mh-extra.com/html/haier/htvf20r72/htvf20r72_service-manual_3319970031.webp)
4. IC voltages
OM83XX
PIN 1 2 3 4 5 6 7 8 9 10
11
12
13 14 15 16
V 2.8 3.8 3.6 3.3 3.5 3.5 0.1
0.1
0 5.4
0.1
0 2.3 8 5 3
PIN 17 18 19 20 21 22 23
24
25
26
27
28
29 30 31 32
V 4 0 4 0.9 0.7 0.8 1.9
1.9
3.9
3.8
1.6
3.2
3.4 0 2.4 0.1
PIN 33 34 35 36 37 38 39
40
41
42
43
44
45 46 47 48
V 0.6 0.5 3.7 1.7 2.4 3.1 8 3.8
0 3.4
1.5
3.6
2.3 2.6 2.6 2.6
PIN 49 50 51 52 53 54 55
56
57
58
59
60
61 62 63 64
V 2.3 7.2 2.7 2.7 2.7 3.5 0 3.5
0.1
1.7
1.8
0 3.5 0.1 0.1 5
5. Service mode and adjusting items and data
1. Method
a.
Press PRO button to enter the adjustment or setup mode.
b.
Press CH+ or CH- button to turn page up or down for desired item options. If a special remote
controller is used for options, part of adjustment items can be selected directly by pressing buttons on the
remote controller.
c.
Press VOL+ or VOL- button to alter the value of selected adjustment items.
d.
In the factory production process, the factory adjuster is sued for accelerated adjustment.
2. Notices for adjustment
OSD
Range
Ref.
B/W BALANCE
S-BRI
0-127
80
R-BIA
0-255
82
G-BIA
0-255
180
B-BIA
0-255
144
R-DRV
0-127
58
G-DRV
0-15
7
B-DRV
0-127
63
C. B/W
0-3 0
ADJUST
H. PHASE
0-31
17
H.BLK.LEFT 0-7
7
H.BLK.RIGHT 0-7
0
Circuit Explanation
Summary of Contents for HTVF20R72
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Page 26: ...PCB Diagram 3 PCB Diagram ...