Panasonic PT-DZ13KU, Service Manual, Page: 46 / 121

INF - 37
* CPU : Central Processing Unit
A A
G
G
Check and repair IC3512 and the peripheral circuits.
Check and repair X3402 and the peripheral circuits.
When remote control is operated, the signal can be
detected at G17 connector 5 pin.
G
・
R
Check the cable between connectors G17 and R1
(No breaking of wire, etc.).
Replace the R-P.C.Board.
G
When remote control is operated, the signal can be
detected at 6 pin of IC6012.
G
G
Check the cable between connectors G19 and R21.
Replace the R2-P.C.Board.
G
Check and Replace cable between connectors P21 and
G10.
Replace the P-P.C.Board.
A
Check IC6001.
Replace the G-P.C.Board.
A
Check in order of the following.
IC3508(FLASH ROM) and peripheral circuits.
IC3513(SRAM) and peripheral circuits.
IC3501(MAIN CPU)
●
Main CPU operation checks
A
G
The voltage of R3672 is 1.2V.
Check the clock waveform.
R3575 : 35.455MHz
The voltage of G10 connector.
2pin : 3.3V, 6pin : 5V
●
Cannot control from the front side of the main unit.
■
Remote control does not respond
Check and repair IC6012,JK6001,Q6008 and the
peripheral circuits.
G
R2
G
When remote control is operated, the signal can be
detected at G19 connector 3 pin.
When remote control is operated, the signal can be
detected at 8 pin of IC6012.
Check and repair IC6012 and the peripheral circuits.
●
Cannot control from the rear side of the main unit.
G
Replace the G-P.C.Board.