Panasonic PT-52LCX66-K, Service Manual, Page: 47 / 223

Note for Service Position (1):
1. It is not necessary to connect the GND Wire of the LVDS Cable when servicing.
2. Any error detect functions such as Fan stop, temperature, etc. are defeated on the Monitor P.C.B.
Also, SW1 on the Monitor P.C.B. should be set to "50."
3. When changing the input mode, point a remote at IR receiver on the Front Jack/Operation P.C.B.
4. When servicing without the Thermal Fuse connected:
Short CN1520 by clip so as not to bend the pins. Or, solder a jumper between pin1 of CN1520 and GND (Foil side).
5. For operation stability without the Digital Tuner P.C.B. installed, be sure to perform either a) or b) in this position before servicing.
a) Change the DT BOARD mode from "WITH" to "WITHOUT."
(While DT BOARD is in "WITHOUT" mode, it can be serviced even if Work Mode is released.)
After servicing, be sure to return DT BOARD to "WITH" mode.
b) Or, enter Work Mode and wait for over 10 seconds without the Digital Tuner P.C.B. installed. However, in this case, the mode
indication is "WITH" continuously.
Exit:
VOLUME DOWN RECALL key
(on the front) (on the remote)
(for more than 5 seconds in Work Mode)
Alternatively, Power OFF
Work Mode Map
RECALL key
(on the remote)
< Factory Adjust Mode >
(Main menu)
< Work Mode >
VCR key, RECALL key
(on the remote)
Then, TV key to TV mode
Enter:
VOLUME DOWN RECALL key
(on the front) (on the remote)
(for more than 5 seconds in power on condition)
F A C T O R Y A D J U S T 1 / 1
M : 1 . 0 2 0 I : 1 0
V I D E O A D J
S O U N D
F A N
O T H E R
P A R T I A L
D T B O A R D
D E F A U L T S E T
F : 1 1 0 0 0 0 0 0
C - C O R / G A M / W - B A L
P U S H R E C A L L ( V C R )
W O R K M O D E
OK key
(on the remote)
P E A K S R O M
D T B O A R D W I T H O U T
D T F A C T O R Y C A T
Main P.C.B. (Component Side)
TP5824
(GND)
TP5008
6. To reduce the jitter noise on the XGA Color PC Monitor in this Position, perform either a) or b).
a) Enter Work Mode.
Press DVD key to go to DVD mode, then STOP key on the remote.
b) Or, solder a jumper between TP5008 and TP5824 (GND) on the Main P.C.B.
Fig. S1-2
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K
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