Panasonic Viera TC-P42X1, Техническое руководство, Страница: 21 / 77

Technical Changes (TC-P42X1)
No D board
No SD Card Slot board (GS)
No Fan Drive board (PB)
These circuits are now
part of the A board

The A board is now located below the SS board.

SS11 besides providing Vsus to the SS board, now it also provides P15V

Vda is now connected directly to the C board (P35 to C25). It is no longer routed
thru the SS board.

There is no STB5V switching jumper on the SS board (SS34). The jumper is now on
the P board (P34)

There is no relays click at plug in.

There is a cable between the SC board and the SS board.

The Key input line for CH UP, CH DWN, VOL UP, VOL DWN, Menu, and INPUT/OK
operations is now routed thru the C1 board before it’s connected to the A board

The output of the SS board is monitored on the SC board (Energy Recovery)

The Scan Drive Section (SC, SU, and SD) can’t be isolated by just disconnecting
SC2 and SC20 on the Scan board. The TV shuts down and the power LED blinks 6
times if these connectors are unplugged
New
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