Panasonic PT-VZ570 / PT-VZ570D / PT-VZ570T / PT-VW530 / PT-VW530D / PT-VW530T / PT-VX600 / PT-VX600D / PT-VX600T / PT-VX60 (serv.man2) Service Manual ▷ View online
INF-31
SECTION 1 SERVICE INFORMATION
■ RGB2 input check
Input (RGB1) can be displayed
NG
A
Check IC4701 and IC5301 and peripheral circuit
A
Check the video input waveform at IC301,C362,C363,C361.
NG
A
Check C362,C363,C361 and peripheral circuit
One of the inputs (HDMI1,HDMI2) can be displayed
NG
A
Check IC301 and peripheral circuits
A
Check the output waveform at L1051, L1061,
L1071,Q1003,Q1002,Q1005
L1071,Q1003,Q1002,Q1005
NG
A
Check L1051, L1061, L1071,Q1003,Q1002,Q1005 and
peripheral circuit
peripheral circuit
A
Check IC301 and peripheral circuits
One of the inputs (HDMI1,HDMI2, VIDEO) can be displayed
NG
(3)
OK
OK
OK
OK
OK
■ HDMI1 HDMI2 input check
Check IC8001 and peripheral circuits
NG
A
Check IC301 and peripheral circuits
A
Check K8001,K8002 and peripheral circuits
One of the inputs (RGB1,RGB2, VIDEO) can be displayed
NG
(3)
OK
OK
■ Remote control does not respond
R
The signal waveform can be detected at pin 1 of A2901 when the
remote control button is pressed.
remote control button is pressed.
NG
J
Check A2901 and peripheral circuits
R Check the cable connection between [R1] - [K8D]
NG
Replace the cable
A
Check the waveform at L2892 when the remote control button is
pressed.
pressed.
NG
R Replace [RC]-P.C.Board
A
Replace [A]-P.C.Board
OK
OK
OK
INF-32
SECTION 1 SERVICE INFORMATION
■ [A] P.C.Board operation check
■ Main microprocessor check
A
Check the clock waveform around IC301
X301 : 24MHz
NG
A
Check IC301, X301 and peripheral circuits
A
Check the clock waveform around IC401
X402 : 24MHz
X402 : 24MHz
NG
A
Check IC404, X402 and peripheral circuits
A
When no input,check the waveform around IC301:
A13, D12, E12, C1, E4, G2, H2
A13, D12, E12, C1, E4, G2, H2
NG
A
Check IC301 and peripheral circuits
OK
OK
A
Check the voltage (DC 6.0V) at pins 6, 7 of connector [K8R]
NG
A
Replace the cable between [P03] - [K8R]
Replace [P] P.C.Board
A
Check the voltage (DC 1.8V) at L5856
NG
A
Check IC5851 and peripheral circuits
A
Check the clock signal (24MHz} at X301
NG
A
Check X301 and peripheral circuits
A
Check the voltage (DC 3.3V) at L5838
NG
A
Check IC5831 and peripheral circuits
A
Check the voltages (DC 3.3V) at pins 6 of IC9885(SUB CPU)
NG
A
Check IC9885, IC3802, IC3803, IC3804 and peripheral
circuits
circuits
A
Check the voltage (DC 1V) at L5861
NG
A
Check IC5861 and peripheral circuits
A
Check the voltage (DC 3.3V) at pin 2 of IC304 (RESET)
NG
A
Check IC304 and peripheral circuits
A
Check IC1301 (FLASH ROM) and peripheral circuit.
NG
A
Check IC1301 and peripheral circuits
OK
OK
OK
OK
OK
OK
OK
INF-33
SECTION 1 SERVICE INFORMATION
■ SERIAL IN does not respond
A
Check the cable connection of K20A (SERIAL IN)
NG
A
Connect the connector securely
A
The signal waveform can be detected at pins 10, 12 of IC3801
when the serial command is transmitted.
when the serial command is transmitted.
NG
A
Check IC3801 and peripheral circuits
A
The signal waveform can be detected at pins 5, 6 of KA1 when
the serial command is transmitted.
the serial command is transmitted.
NG
J
Replace [J]-P.C.Board
A
Replace [A]-P.C.Board
OK
OK
OK
■ Controls does not respond
A
Check the voltage (DC 3.3V) at pin 13 of connector [S1] when the
power is turned on.
power is turned on.
NG
A
Check the [3.3V] power line on the [A]-P.C.Board
A
Check the connection cable between [A32] - [S1]
NG
Replace the cable
A
Check the voltage [DC 3V] at pins 9 - 12 of connector [S1]
NG
S
Check the [3.3V] power line on the [S]-P.C.Board
A
Check that the voltage changes at L1177 - L1180 when some of
the control button are pressed
the control button are pressed
NG
S
Replace [S]-P.C.Board
A
Replace [A]-P.C.Board
OK
OK
OK
OK
INF-34
SECTION 1 SERVICE INFORMATION
■ No sound
A/J
[ANALOG]
Check the connections K50A (AUDIO IN), K30B (AUDIO IN1)
[DIGITAL]
Check the connections K8001 (HDMI1), K8002 (HDMI2)
NG
Check the cable connection securely
J
[ANALOG]
Check the waveform at pins 1 and 3 of connector [K50A]
Check the waveform at pins 2 and 3 of connector [K30B]
NG
J
Check K50A, K30A and peripheral circuits
A
[ANALOG]
Check the cable connection between connectors [J1] - [KA1]
Check the cable connection between connectors [J1] - [KA1]
NG
Replace the cable
J
[Common]
Check the waveform at pins 5,14,1,12,9 and 10 of IC5002.
NG
J
Check IC5002 and peripheral circuits
J
[Common]
Check the waveform at pins 12 and 13 of IC5001.
NG
J
Check IC5001 and peripheral circuits
OK
NG
OK
OK
OK
OK
Check each cable connection
No sound with built-in speaker
NG
Follow the section "Built-in speaker check"
No sound with external speakers
NG
Follow the section "AUDIO OUT check"
No sound with built-in and external speakers
J
[Common]
Check the waveform at pins 3, 5, 1 and 7 of IC5003.
NG
J
Check IC5003 and peripheral circuits
J
[Common]
Check the waveform at pins 12 of IC001.
NG
J
Check IC001 and peripheral circuits
A
Replace [A]-P.C.Board
OK
OK
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