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SECTION 1 SERVICE INFORMATION
<PT-DZ16K>
A
A
A
A
A
A
A
Check and repair IC3511 and the peripheral circuits.
Check and repair IC3501,X3502 and the peripheral
circuits.
●
A-P.C.Board operation checks
A
Check the clock waveform.
R3577 : 24.5MH
R3573 : 39.8MH
Check and repair IC3520 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) : 159.5MHz
The voltage of R3759 is 0.75V.
The voltage of R3671 is 1.2V.
A Check and repair IC3501 and the peripheral circuits.
RW
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
INF - 36
* CPU : Central Processing Unit
A
A
A
Check and repair IC3512 and the peripheral circuits.
G
Check and Replace cable between connectors P21 and
G10.
Replace the PC1-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
FG/FR-P.C.Board checks and replace.
WF-P.C.Board checks and replace.
A
The voltage of R3672 is 1.2V.
Check and repair X3402 and the peripheral circuits.
Check the clock waveform.
R3575 : 35.455MHz
The voltage of G10 connector.
2pin : 3.3V, 6pin : 5V
NG
OK
NG
NG
OK
OK
OK
INF - 36
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