Panasonic PT-RZ370U / PT-RZ370E / PT-RZ370EA / PT-RW330U / PT-RW330E / PT-RW330EA (serv.man5) Service Manual ▷ View online
INF - 25
A
A
A
R
R
R
G
S
S
S
S
Check voltage of S1 connector 2-4 pin.
Approx. 3V
S-PCB +3.3V line check.
Replace S-PCB.
Replace G-PCB.
■ Control panel does not work.
Cable check of A9-S1 connector.
Replace cable.
Replace R-PCB.
■ SERIAL IN does not work.
Confirm the connection of RS-232C cable.(SERIAL IN)
Connect it properly or replace RS-232C straight cable.
G When it was sent by the command, waveform
of IC4003 pin 13,15,17 can be detected.
G Check the IC4003 and its associated circuits.
S When a main power supply is turned ON,
5 pins of S1 connector are 3.3V.
A A-PCB +3.3V line check.
Waveform of RM3201 pin 1 can be detected.
Check circuit around RM3201.
Cable check of R1-V2 connector.
Replace cable.
Cable check of A5-V1 connector.
Replace cable.
■ Remote controller does not work. (only rear side)
Waveform of RM1601 pin 1 can be detected.
Check the RM1601 and its associated circuits.
Replace A-PCB.
■ Remote controller does not work. (only front side)
NG
OK
OK
NG
NG
OK
OK
NG
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
INF - 26
G Replace G-PCB.
A
【
Digital 】
Check the cable connected to HDMI and DIGITAL
LINK.
Connect it properly or replace cable.
A
【
Digital 】
Speech waveform of A28 connector 16 pin (R)
and 17 pin (L), can be detected.
A Check the IC1013 and its associated circuits.
■ Audio function does not work.
G
【
Analog 】
Check the cable connected to AUDIO.
Connect it properly or replace cable.
G Adjustment of volume will change in waveform.
IC4002 13 pin (R), 2 pin (L)
G Check the IC4002 and its associated circuits.
A
【
Digital 】
Cable check of A28-G1 connector.
Replace cable.
G
【
Analog / Digital 】
Waveform of IC4001 13 pin (R) and 3 pin (L) can
be detected.
If an input signal is changed, a waveform will change.
G Check the IC4001 and its associated circuits.
NG
OK
NG
OK
OK
NG
OK
NG
NG
OK
OK
NG
INF - 26
G Replace G-PCB.
A
【
Digital 】
Check the cable connected to HDMI and DIGITAL
LINK.
Connect it properly or replace cable.
A
【
Digital 】
Speech waveform of A28 connector 16 pin (R)
and 17 pin (L), can be detected.
A Check the IC1013 and its associated circuits.
■ Audio function does not work.
G
【
Analog 】
Check the cable connected to AUDIO.
Connect it properly or replace cable.
G Adjustment of volume will change in waveform.
IC4002 13 pin (R), 2 pin (L)
G Check the IC4002 and its associated circuits.
A
【
Digital 】
Cable check of A28-G1 connector.
Replace cable.
G
【
Analog / Digital 】
Waveform of IC4001 13 pin (R) and 3 pin (L) can
be detected.
If an input signal is changed, a waveform will change.
G Check the IC4001 and its associated circuits.
NG
OK
NG
OK
OK
NG
OK
NG
NG
OK
OK
NG
INF - 26
G Replace G-PCB.
A
【
Digital 】
Check the cable connected to HDMI and DIGITAL
LINK.
Connect it properly or replace cable.
A
【
Digital 】
Speech waveform of A28 connector 16 pin (R)
and 17 pin (L), can be detected.
A Check the IC1013 and its associated circuits.
■ Audio function does not work.
G
【
Analog 】
Check the cable connected to AUDIO.
Connect it properly or replace cable.
G Adjustment of volume will change in waveform.
IC4002 13 pin (R), 2 pin (L)
G Check the IC4002 and its associated circuits.
A
【
Digital 】
Cable check of A28-G1 connector.
Replace cable.
G
【
Analog / Digital 】
Waveform of IC4001 13 pin (R) and 3 pin (L) can
be detected.
If an input signal is changed, a waveform will change.
G Check the IC4001 and its associated circuits.
NG
OK
NG
OK
OK
NG
OK
NG
NG
OK
OK
NG
