Apex Digital PF2720 Service Manual page 2

Service Mode and Bus Data
1. How to Enter the Service Mode with the Remote Control
1) Decrease volume to 0.
2) Press the MUTE button on the remote control and VIDEO button on the TV at the same time.
3) Adjust the TV with the MENU SELECT buttons on the remote control.
4) Press the button on the remote control to quit the Service mode.
2. Bus Data
Symbol
S0 OP1
OP2
OP3
OP4
OP5
OP6
OP7
OP8
S1 PAR
BOW
HSH
EWW
EWP
UCR
LCR
EWT
S2 VSL
VAM
SCL
VSH
VOF
CCV
HOF
CCHF
S3 VX
RED
GRN
WPR
WPG
WPB
SERVICE MANUAL
Adjustment
190 Option bit 1 See "Option Set"
15 Option bit 2 See "Option Set"
1 Option bit 3 See "Option Set"
221 Option bit 4 See "Option Set"
140 Option bit 5 See "Option Set"
111 Option bit 6 See "Option Set"
191 Option bit 7 See "Option Set"
101 Option bit 8 See "Option Set"
Set to optimum Parallelogram correction
Set to optimum Bow correction
Set to optimum Horizontal shift
Set to optimum East-west width adjustment
Set to optimum East-west pincushion correction
Set to optimum Upper corner correction
Set to optimum Lower corner correction
Set to optimum East-west Trapezoidal correction
Set to optimum Half vertical output
Set to optimum Vertical amplitude
Set to optimum Vertical linearity
Set to optimum Vertical shift
Set to optimum Vertical position of character
Set to optimum Vertical position of CCD
Set to optimum Horizontal position of character
Set to optimum Horizontal position of CCD
25
Set to optimum Red gun cutoff voltage
Set to optimum Green gun cutoff voltage
Set to optimum Red gun drive voltage
Set to optimum Green gun drive voltage
Set to optimum Blue gun drive voltage
41
Description
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