Panasonic PT-DZ16KU / PT-DZ16KE / PT-DS16KD (serv.man14) Service Manual / Other ▷ View online
SECTION 1 SERVICE INFORMATION
<PT-DZ16K>
A
A Check and repair IC3071 and the peripheral circuits.
Check the clock frequency on R3444.
3D-SDI signal is inputted : Approx 148.5 MHz
HD-SDI signal is inputted : Approx 74.25 MHz
●
SDI1 input checks
●
PinP of RGB1/RGB2 input checks
A
Check the waveform at R3477(G9), R3444(CLK),
R3484(HS,VS).
A Check and repair IC3058 and the peripheral circuits.
Follow the section "A-P.C.Board operation checks".
Check and repair IC3058 and the peripheral circuits.
A
A
Check the voltage on the power lines.
IC3059 1pin : Approx 3.3V
IC3401 1pin : Approx 1.2V
Check and repair IC3059,IC3401 and the peripheral
circuits.
Voltage on IC3072 7pin is 0.4 V or less.
A
A
NG
NG
OK
OK
NG
NG
OK
OK
INF - 35
A
FG/FR-P.C.Board checks and replace.
WF-P.C.Board checks and replace.
A Check the waveform at
C3166(R),C3165(G),C3167(B),TPA07(HS),TPA08(VS)
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".
A
A Check and repair IC3064(Sync SW) and the peripheral
circuits.
Check the waveform at
R3487(G9),R3446(CLK),R3493(HS,VS).
A Check and repair IC3058 and the peripheral circuits.
NG
OK
OK
NG
OK
OK
NG
NG
INF - 35
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
SECTION 1 SERVICE INFORMATION
<PT-DZ16K>
G
●
Cannot control from the front side of the main unit.
■ Remote control does not respond
When remote control is operated, the signal can be
detected at G17 connector 5pin.
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 6pin of IC6012.
G
G
Check the cable between connectors G19 and BR1.
Replace the BR-P.C.Board.
Check IC6001.
Replace the G-P.C.Board.
G
Check and repair IC6012,JK6001,Q6008 and the
peripheral circuits.
G
BR
When remote control is operated, the signal can be
detected at G19 connector 7pin.
●
Cannot control from the rear side of the main unit.
NG
NG
OK
OK
NG
OK
INF - 37
G
G
Connect the cables properly.
G
When remote control is operated, the signal can be
detected at 4pin of IC6007.
Check and repair IC6007 and the peripheral circuits.
Replace the G-P.C.Board.
G When the command is transmitted, the signal can
be detected at IC6010 pin 10,12,17.
G Check and repair IC6010 and the peripheral circuits.
G
Replace the G-P.C.Board.
■ SERIAL IN/OUT does not respond
Check RS-232C cable connection. (JK6003/JK6004)
NG
OK
OK
OK
NG
NG
OK
INF - 37
SECTION 1 SERVICE INFORMATION
<PT-DZ16K>
G Replace the G-P.C.Board.
■ Controls of side panel does not respond
G
Check cable between connectors G2 and S1
(No breaking of wire, etc.).
Replace the cable.
G When MAIN POWER is turned ON, the voltage of
connector G2 pin 10 is 3.3V.
■ REMOTE 2 IN does not respond
Cable is connected with JK6005(REMOTE IN2).
G
When POWER is turned ON and OFF by remote
control,
the signal can be detected with IC6011 pins 14 and
18.
G Check and repair IC6011 and the peripheral circuits.
Connect the cables properly.
G Replace the G-P.C.Board.
OK
NG
NG
OK
OK
NG
NG
OK
INF - 38
G
S
G Replace the G-P.C.Board.
The voltage of connector G2 pins 6-8 is approx 3V.
Replace the S-P.C.Board.
OK
NG
OK
INF - 38
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