Instructional Flow Chart For Service Mode - Panasonic CT-20DC50B Service Manual

Color television
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NOTE
Always Exit the Service Mode
Following Adjustments.
WHITE
SCREEN
(ON REMOTE)
GRN.
SCREEN
SCREEN
RED
SCREEN
SCREEN
CH
(ON REMOTE)
B7
B6
B5
B4
B3
B2
B1
B0
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Instructional Flow Chart for Service Mode

Momentarily short FA1 to FA2 (
Yellow "CHK" appears in upper left corner of screen.
Volume Up/Down operate rapidly.
Customer Controls are set to nominal level.
RECALL
EXIT
Press Action + Volume Up Simultaneously (on Receiver)
BLUE
WHITE
RECALL
(ON REMOTE)
V-SIZE
AUDIO
ADJUSTMENT
VIDEO
ADJUSTMENT
KILLER/ABL/
GAMMA
SUB-PICTURE
SUB-
BRIGHTNESS
SUB-TINT
SUB-COLOR
Figure 34. Flow Chart for Service Mode.
NORMAL MODE
AGING MODE
Adj.
N
needed?
Y
SERVICE MODE
"CHK" turns red.
Volume Up/Down operate normally.
Customer Controls are set to nominal level.
Adj.
N
needed?
Y
POWER
(ON REMOTE)
SUB-DATA ADJUSTMENTS.
B ITEMS.
Adj.
N
needed?
Y
CH
(ON REMOTE)
- 26 -
QQ:362399998
).
QUICK ENTRY TO SERVICE MODE
Select CABLE Mode.
Set SLEEP time for 30 Min.
Tune to Channel 124.
Adjust Volume to minimum.
Press VOL DOWN. On Receiver.
EXIT
POWER
(ON REMOTE)
A
QQ群:12919880
B

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