Panasonic CT-27SL13MUG Service Manual page 109

Entering service mode (open-back method)
While the receiver is connected and operating in normal mode, momentarily short test point FA1
(TP1 pin 2) to cold ground (TP1 pin 3).
The receiver enters the aging mode.
Yellow letters "CHK" appear in the upper left corner of the screen. / (The volume right/left and
channel up/down will adjust rapidly).
Note:
If service mode is accessed by this method be sure to reset the set
after service is performed.
11.1. Service adjustment default values for items
NAME
MTSIN MTS INPUT LEVEL
SEPAL MTS LOW LEVEL SEPARATION
SEPAH MTS HIGH LEVEL SEPARATION
CLOCK CLOCK
HHSTH HHS VOLTAGE LEVEL
REFERENCE
COLOR COLOR
TINT TINT
BRIGH SUB-BRIGHTNESS
CONT SUB-CONTRAST
B-Y_G MAGENTA TINT ADJ
CUT_G GREEN CUT-OFF
CUT_R RED CUT-OFF
CUT_B BLUE CUT-OFF
BRT BRIGHT
R-DR RED DRIVE
B-DR BLUE DRIVE
H-POS HORIZONTAL POSITION
VEAMP VERTICAL SIZE
V-C VERTICAL LINEARITY
V-S VERTICAL SIZE CORRECTION
VPOS VERTICAL POSITION
ID1* ID SWITCH 1
DESCRIPTION REGISTER VALUE
CT-27C8G CT-27G8G/UG CT-27L8G/UG/SG
F0
22
17
08
1D
128
8C
15
56
4E
60
80
C3
0E
5B
4E
00
00
70
AA
4C
00
7C
88 F0