- It is suggested that the technician reads all the way through and understand the following procedure for entering and exiting the service man adjustment mode; then proceed with the instructions working with the receiver.
QUICK ENTRY TO SERVICEMAN MODE
- When minor adjustments need to be done to the electronic controls, the method of entering the serviceman mode without removal of the cabinet back cover is as follows using the remote control
- Select Set-Up icon, and select Cable Mode.
- Select 'Timer' icon and set 'Sleep time' for 30 minutes.
- Press 'Action' "Twice" to Exit menus.
- Tune to channel '124'.
- Adjust 'Volume' to minimum.
- Press 'Volume ( < ) on the "Receiver". Red "CHK" appears in upper corner.
- After the set is set into serviceman mode, set timer back to 'NO'.
TOGGLE BETWEEN AGING AND SERVICEMAN MODE
- While "CHK" is displayed on the left top corner of the CRT, pressing "Action" and "Volume Up" on the TV simultaneously will toggle between the modes. Red "CHK" for service man, and Yellow.
- Press "Power" on the remote control to display the Service Adjustments Mode Menu, select adjustments by pressing the 'Volume Right/Left' buttons, and Channel Up/Dn buttons on the remote control, and 'Action" to enter the adjustment.
Some adjustments are available only in some modes [480i, 480p, 1080i]; it is needed to apply the format.
EXITING SERVICEMAN MODE
- Press 'Action" and "Power" on the [TV] simultaneously for at least '2' seconds.
- The receiver Exits service mode. The receiver momentarily shuts off; and then comes back on tuned channel '3' with a preset level of sound. Any programmed channels, channels caption data and some other user defined settings will be erased.
- IMPORTANT: ALWAYS EXIT THE SERVICEMAN MODE FOLLOWING ADJUSTMENTS
TO CHECK PURITY
- Press "Recall" on the remote control, when the Serviceman Mode (Red 'CHK") is displayed to enter the purity field check. Press RECALL again to select [NORMAL SCREEN => WHITE SCREEN => RED SCREEN => GREEN SCREEN => BLUE SCREEN & BACK TO NORMAL SCREEN]
FOR ADJUSTMENTS
- Press "Channel Up/Dn & Volume Left/Right" on the remote control to select one of the available Service Adjustments. Press "ACTION" gain to go back to the adjustment menu. NB: Write down the original value set for each address before modifying anything. It is easy to erroneously adjust the worn item.
- Press "Volume Right/Left" on the remote control to adjust the level of the selected service adjustment.
H-DEF Adjustment
|
description
|
Memory location
|
Default level
|
New level
|
|
TOPG
|
TOP
CORNER GAIN
|
A8
A2
|
13
|
||
BTMG
|
BOTTOM
CORNER GAIN
|
A8
AC
|
11
|
||
TOPSL
|
TOP
CORNER SLICE LEVEL
|
A8
46
|
01
|
||
BTMSL
|
BOTTOM
CORNER SLICE LEVEL
|
A8
3C
|
0B
|
||
TRAP
|
TRAPEZOID
|
A8
2B
|
75
|
||
PARA
|
PARALLELOGRAM
|
A8
65
|
07
|
||
SIDE
|
PINCUSHION
BALANCE ADJUST
|
A8
6A
|
00
|
||
VDEF ADJUSTMENTS
|
DESCRIPTION
|
MEMORY LOCTION
|
DEFAULTLEVEL
|
NEW LEVEL
|
|
VRAS
|
VERTICAL
CENTERING
|
AA
72
|
27
|
||
VDAMP
|
VERTICAL
WIDTH
|
A8
14
|
62
|
||
V-C
|
VERTICAL
LINEARITY-1
|
A8
7E
|
22
|
||
V-S
|
VERTICAL
LINEARITY-2
|
A8
74
|
1E
|
||
DAF ADJUSTMENTS
|
DESCRIPTION
|
MEMORY LOCATION
|
DEFAULT LEVEL
|
NEW LEVEL
|
|
HDAFC
|
HORIZONTAL
DAF
|
A8
05
|
17
|
||
VDAFG
|
VERTICAL
DAF
|
A8
C5
|
AA
|
||
MTS ADJUSTMENTS
|
DESCRIPTION
|
MEMORY LOCATION
|
DEFAULT LEVEL
|
NEW LEVEL
|
|
MTSIN
|
INPUT
LEVEL
|
AE
0E
|
09
|
||
SEPAL
|
LOW
FREC SEPERATION
|
AE
0F
|
1F
|
||
SEPAH
|
HI
FREC
|
AE
10
|
1F
|
||
CLOCK ADJUSTMENTS
|
DESCRIPTION
|
MEM LOCATION
|
DEFAULT LEVEL
|
||
CLOCK
|
SYNTHESIZER
ADJUST
|
AE
12
|
128
|
||
VIDEO ADJUSTMENTS
|
DESCRIPTION
|
MEMORY LOCATION
|
DEFAULT LEVEL
|
||
COLOR
|
COLOR
|
AA
8F
|
24
|
||
TINT
|
TINT
|
AA
91
|
1F
|
||
BRIGHT
|
SUB-BRIGHTNESS
|
AA
93
|
60
|
||
CONT
|
SUB-CONTRAST
|
AA
95
|
22
|
||
B-Y_G
|
COLOR
ADJUST-BLUE
|
AA
AE
|
2F
|
||
CUT
G
|
GREEN
CUT OFF
|
AA
CC
|
02
D2
|
||
CUT
R
|
RED
CUT OFF
|
AA
C8
|
02
92
|
||
CUT
B
|
BLUE
CUT OFF
|
AA
D0
|
02
56
|
||
BRT
|
TEMPORARY
BRIGHTNESS
|
DOES
NOT WRITE TO EEPROM
|
60
|
||
R
DR
|
RED
DRIVE
|
AA
96
|
B1
|
||
B
DR
|
BLUE
DRIVE
|
AA
98
|
AD
|
||
H
DEF ADJUSTMENTS
|
DESCRIPTION
|
MEM
LOCATION
|
DEFAULT
LEVEL
|
||
H
LIN
|
HORIZONTAL
LINEARITY
|
AA
76
|
5F
|
||
H
POS
|
HORIZONTAL
CENTERING
|
A6
EA
|
37
|
||
H
WID
|
HORIZONTAL
WIDTH
|
A8
32
|
4F
|
||
PCC
|
PIN
CUSHION CORRECTION
|
A8
30
|
48
|
||
PCCHG
|
PINCUSHION
TOP GAIN
|
A8
56
|
02
|
||
PCCHS
|
PINCUSHION
BOTTOM GAIN
|
A8
60
|
01
|
||
PCCHS
|
PINCUSHION
TOP SLICE LEVEL
|
A8
B6
|
00
|
||
PCCLS
|
PINCUSHION
BOTTOM SLICE LEVEL
|
A8
B1
|
01
|
