Panasonic PT-RZ970 / PT-RW930 / PT-RX110 (serv.man4) Service Manual ▷ View online
INF-37
SECTION 1 SERVICE INFORMATION
< RZ970/RW930/RX110 >
■ RGB1 input check
A Check IC3010 and peripheral circuit.
A Check the input waveform of IC1031.
C3059(R), C3058(G), C3060(B), TPA09(HS), TPA10(VS)
NG
A Check L3044, L3043, L3042, Q3036, Q3037, Q3038
and peripheral circuit.
One of the input (RGB1, HDMI) can be displayed.
A Check the waveform.
R3411(G9), R3406(CLK), R3416(HS/VS)
A Check IC3010 and peripheral circuit.
OK
OK
OK
NG
OK
Follow the section "A-P.C.Board operation check"
■ RGB2 input check
A Check IC3010 and peripheral circuit.
A Check the input waveform of IC3010.
C3063(R), C3062(G), C3064(B), TPA09(HS), TPA10(VS)
NG
A Check L3041, L3040, L3039, Q3033, Q3034, Q3035
and peripheral circuit.
One of the input (
RGB1, DVI-D) can be displayed.
A Check the waveform.
R3411(G9), R3406(CLK), R3416(HS/VS)
OK
OK
NG
OK
Follow the section "A-P.C.Board operation check"
A Check the waveform.
R3169(G9), R3174(CLK), R3173(HS/VS)
NG
A Check IC3058 and peripheral circuit.
NG
A Check IC3010 and peripheral circuit.
OK
A Check the waveform.
R3169(G9), R3174(CLK), R3173(HS/VS)
NG
A Check IC3058 and peripheral circuit.
NG
INF-38
SECTION 1 SERVICE INFORMATION
< RZ970/RW930/RX110 >
■ DVI-D input check
■ HDMI input check
A Check R3493(ACT), IC3058 and peripheral circuit.
A Check the waveform.
R3259(AE_ACT)
NG
A Check the circuit between IC3020 and JK3005.
Check the image of RGB2 input with PinP mode.
Select PinP mode and input RGB1 for main and input RGB2 for
sub.
A Check the waveform.
R3425(G9), R3417(CLK), R3430(HS/VS)
OK
OK
NG
OK
Follow the section "A-P.C.Board operation check"
A Check IC3020 and peripheral circuit.
OK
A Check the waveform.
R3289(G9), R3260(CLK), R3259(HS/VS)
NG
A Check IC3058 and peripheral circuit.
NG
A Check R3484(ACT), IC3058 and peripheral circuit.
A Check the waveform.
R3173(AE_ACT)
NG
A Check the circuit between IC3010 and JK3006.
One of the input (RGB1, RGB2) can be displayed.
A Check the waveform.
R3411(G9), R3406(CLK), R3416(HS/VS)
OK
OK
NG
OK
Follow the section "A-P.C.Board operation check"
A Check IC3010 and peripheral circuit.
NG
A Check the waveform.
R3168(G9), R3174(CLK), R3173(HS/VS)
OK
A Check IC3058 and peripheral circuit.
NG
INF-39
SECTION 1 SERVICE INFORMATION
< RZ970/RW930/RX110 >
■ DIGITAL LINK input check
DIGITAL LINK firmware version is displayed on the SELF
CHECK screen.
NG
Check DIGITAL LINK status of [DIGITAL LINK STATUS] menu.
[SIGNAL QUALITY]
Green (-12 dB or lower) or Yellow (-11 dB or lower)
NG
A Check between JK2001 and IC2001,
Check X2001, IC2002, IC2003 and peripheral circuit.
Is [DIGITAL LINK MODE] of the setup menu [AUTO] or
[DIGITAL LINK] ?
NG
Set [AUTO] or [DIGITAL LINK].
A Check between IC2001 and IC3010.
Check IC2001, IC3010 and peripheral circuit.
OK
OK
OK
OK
A Check IC2001 - IC2004 and peripheral circuit.
(Voltage check L2005 : 3.3V, L2008 : 1.8V, L2011 : 1.0V)
One of the input HDMI can be displayed.
NG
A Check IC3010 and peripheral circuit.
■ SDI input check (WUXGA model only)
A
Check clock frequency at R3444.
In case of 3G-SDI signal : 148.5MHz
In case HD-SDI signal : 74.25MHz
NG
A
Check DIGITAL LINK status of [DIGITAL LINK STATUS] menu.
[SIGNAL QUALITY]
Green (-12 dB or lower) or Yellow (-11 dB or lower)
NG
A Check IC3058 and peripheral circuit.
A Check the voltage is less than [0.4V] at pin 7 of IC3072.
NG
A Check IC3072 and peripheral circuit.
Follow the section "A-P.C.Board operation check"
OK
OK
OK
OK
A Check IC3058 and peripheral circuit.
A Check power supply lines.
IC3059-1 pin : 3.3V, IC3351-5pin : 1.2V
NG
A Check IC3059, IC3351 and peripheral circuit.
INF-40
SECTION 1 SERVICE INFORMATION
< RZ970/RW930/RX110 >
■ Main microprocessor operation check
OK
OK
OK
A Check the clock waveform at R3622.
35.455MHz
NG
A Check X3501 and peripheral circuit.
A
Check in order of the following.
(1) IC3716(FLASH ROM) and peripheral circuit
(2) IC3721(SRAM) and peripheral circuit
(3) IC3501(Main CPU) and peripheral circuit
A Check the voltage.
Connector A1 pin 1 : 3.3 V
NG
A
P Cable check [P6] - [A1], and P-P.C.Board replace.
A Check the voltage.
R3826 : 1.2 V
NG
A Check IC3821 and peripheral circuit.
■ A-P.C.Board operation check
OK
OK
OK
A Check the voltage
C3864 : 1.5 V
NG
A Check IC3851 and peripheral circuit.
A Check the waveform at IC3501 with NO signal input.
Connector A2 pins 21-22 (Differential CLK) : 80MHz
NG
A Check IC3501 and peripheral circuit.
A Check the clock waveform
R3611 : 24.5 MHz
NG
A Check IC3501, X3601 and peripheral circuit.
A Check the voltage
R3801 : 1.2 V
NG
A Check IC3801 and peripheral circuit.
Follow the section "DG/FM-P.C.Board operation check"
OK
OK
A Check the voltage
R3981 : 0.75 V
NG
A Check IC3991 and peripheral circuit.
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