Panasonic PT-RZ575 (serv.man4) Service Manual ▷ View online
INF-36
SECTION 1 SERVICE INFORMATION
< RZ575 >
■ FM-P.C.Board operation check
A
FM
Check the A1-FM1 connector (between A-P.C.B and FM-P.C.B)
* Is not bent the pin of connector ?
* Is not aslant insert of connector ?
NG
A
FM
Connect the connector properly
* It replace, if the pin of the connector has bent
A Check power supply line <1>
L4028 (or pin 1 and pin 120 of connector A1 ) : 3.3 V
NG
FM Check the loads on 3.3V power-supply line
Replace the FM-P.C.Board
A Check power supply line <2>
C4091(+)=3.3V, C4095(+)=1.8V, C4069(+)=1.1V
NG
A Check IC4001(PMD1000) and peripheral circuit.
OK
OK
A Check control line <1>
34-pin of IC4001 (AA_POSENSE) : About 3.3V
NG
A Check IC4001, IC4002 and peripheral circuit.
A Check control line <2>
35-pin of IC4001 (AA_PWRGOOD) : About 3.3V
NG
A Check IC4001, IC4005 (Flash Memory) and peripheral
circuit.
OK
OK
A Check the clock
R4168 : About 20 MHz
NG
A Check X4001 and peripheral circuit.
A Check control line <3>
48-pin of IC4001 (AA_MTR_ARSTZ) : About 3.3V
NG
A Check IC4001, IC4002 and peripheral circuit.
OK
OK
Is the color wheel (CW) rotating ?
NG
BR Check the motor power of color wheel
Three-phase AC detected at pin 2,3,4 of connector BR4
BR Check CW1 INDEX line
2-pin of connector BR5 : 180Hz pulse (no input)
NG
BR
C1
Replace flexible cable (between BR4 and C1-P.C.B)
Replace [C1]-P.C.Board
OK
OK
OK
OK
NG
A
Check the A4 connector
connection.
Check IC4001 and
peripheral circuit.
Check the flexible cable
(between BR4 and color
wheel).
Replace the color wheel
k
INF-37
SECTION 1 SERVICE INFORMATION
< RZ575 >
OK
OK
OK
BR Check CW2 INDEX line
2-pin of connector BR7 : 180Hz pulse (no input)
NG
BR
C2
Replace flexible cable (between BR7 and C2-P.C.B)
Replace [C2]-P.C.Board
FM
Check power supply line <3>
(IC5002 output)
TP5001 : 8.5V, TP5002 : 16V, TP5003 : -10V
NG
FM Check IC5002 and peripheral circuit.
A
Check power supply line <7>
C4365(+) = 1.0V, C4368(+) = 1.2V
C4393(+) = 1.8V, C4378(+) = 2.5V
NG
A Check IC3000(FPGA) and peripheral circuit.
FM Replace [FM]-P.C.Board.
k
Is the phosphor wheel (PW) rotating ?
NG
BR Check the motor power of phosphor wheel
Three-phase AC detected at pin 2,3,4 of connector BR6
OK
OK
NG
A
Check the A4 connector
connection.
Check IC4002 and
peripheral circuit.
Check the flexible cable
(between BR6 and PW).
Replace the phosphor
wheel.
■ Remote control does not respond
● No respond only from front side.
OK
OK
A The signal waveform can be detected at pin 9 of connector A13
when pressing the button on the remote control.
NG
A
Check the cable connection between connectors A13 and
R1.
Replace [R]-P.C.Boad.
A The signal waveform can be detected at pin 6 of IC6007.
NG
A Check IC6007 and peripheral circuit.
A Check IC6001(pin 30) peripheral circuit.
Replace [A]-P.C.Board.
INF-38
SECTION 1 SERVICE INFORMATION
< RZ575 >
OK
● No respond only from rear side.
OK
A The signal waveform can be detected at pin 2 of connector A9
when pressing the button on the remote control.
NG
A
Check the cable connection between connectors A9 and
R1.
Replace [R]-P.C.Boad.
A The signal waveform can be detected at pin 10 of IC6007.
NG
A Check IC6007 and peripheral circuit.
A Check IC6001(pin 30) peripheral circuit.
Replace [A]-P.C.Board.
■ SERIAL IN does not respond
OK
OK
J
Check the cable connection of J7801 (SERIAL IN).
NG
Connect the connector firmly
J
The signal waveform can be detected at pin 1 and pin 2 of con-
nector J1 when sending the serial commands.
NG
J
Check IC7805 and peripheral circuit.
A Replace [A]-P.C.Board.
■ Controls of side panel does not respond
OK
OK
OK
A Check the voltage (DC 3.3V) at pin 1 of connector A10 when the
power is turned on.
NG
A Check IC6011(pin 3) peripheral circuit.
Replace [A]-P.C.Board.
S Check the voltage (DC 3V) at pins 2,3,4 of connector S1.
NG
S Replace [S]-P.C.Board.
A Check the cable connection between connectors A10 and S1.
NG
A Replace cable.
A Replace [A]-P.C.Board.
DIS-1
SECTION
2
CONTENTS
1. Parts Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIS-2
1. 1. Electrical parts location (P.C.Boards)
1. 2. Electrical parts location (Fans)
1. 3. Mechanical parts location
1. 4. Optical parts location
1. 2. Electrical parts location (Fans)
1. 3. Mechanical parts location
1. 4. Optical parts location
2. Disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIS-4
2. 1. Disassembly flowchart
2. 2. Top cover removal
2. 3. [A]-P.C.Board block removal
2. 4. [P]-P.C.Board removal
2. 5. LD driver block removal
2. 6. Optical block & LD units removal
2. 7. DMD block / DMD chip removal
2. 8. Color wheel / Phosphor wheel removal
2. 2. Top cover removal
2. 3. [A]-P.C.Board block removal
2. 4. [P]-P.C.Board removal
2. 5. LD driver block removal
2. 6. Optical block & LD units removal
2. 7. DMD block / DMD chip removal
2. 8. Color wheel / Phosphor wheel removal
Illustrations of the projector and other parts may vary from the actual product.
SECTION 2 DISASSEMBLY PROCEDURES
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