Sharp 37GT-28FP Service Manual page 6

Pal / secam system colour television
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37GT-28FP
Adjustment of Data within the NVM memory
To access the NVM memory, press the channel up button on the remote control until the NVM setting is reached. Note that
the NVM address is shown in green and the NVM value is shown in red. Each of the NVM values are stored as a
hexadecimal code, each code comprises of two hexadecimal numbers. Each of these numbers will break down into a four
bit binary code as in the example below.
Hex code
Binary code
Button on remote to toggle Bit
In the example given above, the hexadecimal code is A5, the binary equivalent is 1010 0101. The remote control button to
toggle each bit on or off (1 or a 0) is shown below the binary code. Therefore to change this to A6, remote control buttons
1 then 0 would have to be pressed.
Note: In the tables below appear b0, b1, b2,.........,b7, whose indicate the bit number:
b0 is the Least Significant Bit (LSB).
b7 is the Most Significant Bit (MSB).
NVM List Description
VALUE
DESCRIPTION
32
TEMPERATURE RED
32
TEMPERATURE GREEN
32
TEMPERATURE BLUE
26
VERTICAL SHIFT 50HZ
32
RED CUTOFF
32
GREEN CUTOFF
1F
HORIZONTAL SHIFT 50HZ
37
VERTICAL AMPLITUDE
08
LUMA DELAY
b6-b5:AUDIO OUT
b4-b5: 00
b3: LUMA DELAY SHIFT
b1-b2:00
b0: V OUT INHIBITION
2C
CAG ADJUSTEMENT VALUE
63
TV OPTIONS
b7: ENGLISH OSD
b6: AUTOINSTALLATION FIRST
OPTION
b5: CHILD LOCK ENABLED
b4: X
b3: UHF BAND ONLY
b2: BASIC HOTEL MODE
b1: AV FRONT ENABLED
b0: FP VERSION
3A
AFT COARSE FOR B/G AND L'
38
AFT FINE FOR B/G AND L
92
AFT FINE FOR L' SYSTEMS
FF
VOLUME LIMIT (MAXIMUM)
A
1010
7654
ADDRESS
SYSTEMS
SYSTEMS
5
0101
3210
VALUE
44
00
b7: x
01
b6: CO_BLK
02
b5: SVHS
03
b4: FRAME_BLK
04
b3: BLACK_ST_REF
05
b2: S_STD2
b1: S_STD1
06
b0: QSS
07
38
08
b7: BLACK_ST
b6: COR
b5: CK_ON
b6: COR
b5: CK_ON
b4: VID_ST2
b3: VID_ST1
09
b2: CK_1
0A
b1: CK_2
b0: CK_3
A5
32
32
32
26
32
32
1F
0B
37
08
LUMA DELAY
b6-b5:AUDIO OUT
0C
b4-b5: 00
b3: LUMA DELAY SHIFT
0D
b1-b2:00
0E
b0: V OUT INHIBITION
6
DESCRIPTION
RESERVED
RESERVED
SIGNATURE VALUE
TEMPERATURE RED
TEMPERATURE GREEN
TEMPERATURE BLUE
VERTICAL SHIFT
RED CUTOFF
GREEN CUTOFF
HORIZONTAL SHIFT
VERTICAL AMPLITUDE
ADDRESS
0F
10
11
12
13
14
15
16
17
18
19
1 A

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