Panasonic PT-DZ13KU, Service Manual, Page: 45 / 121

INF - 36
A A
A A
A A
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PinP of RGB1/RGB2 input checks
A
Check the waveform at
C3166(R),C3165(G),C3167(B),TPA07(HS),TPA08(VS)
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A-P.C.Board operation checks
A
Check the clock waveform.
R3577 : 24.5MH
R3573 : 39.8MH
A
A
Check and repair IC3511 and the peripheral circuits.
Follow the section "RGB1 input checks".
Follow the section "RGB2 input checks". Turn off a PinP mode.
Check the picture condition RGB1, RGB2 input.
A
Check the waveform at
R3289(G9),R3260(CLK),R3259(HS,VS).
Check and repair IC3058 and the peripheral circuits.
Follow the section "A-P.C.Board operation checks".
Check the waveform at
R3487(G9),R3446(CLK),R3493(HS,VS).
A Check and repair IC3058 and the peripheral circuits.
A Check and repair IC3501 and the peripheral circuits.
Check and repair IC3501,X3502 and the peripheral
circuits.
The voltage of R3695 is 1.5V. Check and repair IC3510 and the peripheral circuits.
Check the connector of the RW-P.C.Board.
RW1-A3, RW2
WF1
RW Replace the RW-P.C.Board.
A
Check the waveform around IC3501 (no input).
A3 connector 57pin(CLK) : (DZ21K) 159.5MHz,
(DS20K,DW17K) 103.4MHz
The voltage of R3759 is 0.75V.
FG/FR-P.C.Board checks and replace.
WF-P.C.Board checks and replace.
A
A
Check and repair IC3064(Sync SW) and the peripheral
circuits.
The voltage of R3671 is 1.2V.
RW
Check and repair IC3520 and the peripheral circuits.