Panasonic PT-RZ21KE / PT-RS20K Service Manual ▷ View online
INF-43
SECTION 1 SERVICE INFORMATION
< RZ21K / RS20K >
■ RGB1 input check
■ RGB2 input check
A Check the input waveform at IC3010.
C3059(R), C3058(G), C3060(B), TPA09(HS), TPA10(VS)
NG
A Check IC3010 and peripheral circuit.
A Check the input waveform at IC3010.
C3063(R), C3062(G), C3064(B), TPA09(HS), TPA10(VS)
NG
A Check IC3010 and peripheral circuit.
A Check the waveform at R3411(G9), R3406(CLK), R3416(HS, VS) OK
Follow the section "A-P.C.Board operation check"
A Check R3411(G9), R3406(CLK), R3416(HS,VS)
OK
Follow the section "A-P.C.Board operation check"
A Check R3169(G9), R3174(CLK), R3173(HS, VS).
NG
A Check IC3058 and peripheral circuit.
A Check R3169(G9), R3174(CLK), R3173(HS, VS)
NG
A Check IC3058 and peripheral circuit.
A Check IC3010 and peripheral circuit.
A Check IC3010 and peripheral circuit.
A Check L3044, L3043, L3042, Q3036, Q3037, Q3038 and periph-
eral cuircuit.
A Check L3041, L3040, L3039, Q3033, Q3034, Q3035 and periph-
eral circuit.
OK
OK
OK
OK
NG
NG
OK
OK
One of the input (RGB2, HDMI) can be displayed.
One of the input (RGB1, HDMI) can be displayed.
NG
NG
INF-44
SECTION 1 SERVICE INFORMATION
< RZ21K / RS20K >
■ DVI-D input check
A Check the waveform at R3259 (AE_ACT).
NG
A Check R3493(ACT), IC3058 and peripheral circuit.
A Check the waveform at R3425(G9), R3417(CLK), R3430(HS,
VS).
OK
Follow the section "A-P.C.Board operation check"
A Check the waveform at R3289(G9), R3260(CLK), R3259(HS,
VS).
NG
A Check IC3058 and peripheral circuit.
A Check IC3020 and peripheral circuit.
A Check the waveform at R3289(G9), R3260(CLK), R3259(HS,
VS).
OK
OK
NG
OK
Check the image of RGB2 input with PinP mode.
Select PinP mode and input RGB1 for main and input RGB2 for
sub.
NG
■ HDMI input check
A Check the waveform at R3173(ACT).
NG
A Check R3484(ACT), IC3058 and peripheral circuit.
A Check the waveform at R3411(G9), R3406(CLK), R3416(HS,
VS).
OK
Follow the section "A-P.C.Board operation check"
A Check the waveform at R3169(G9), R3174(CLK), R3173(HS, VS). NG
A Check IC3058 and peripheral circuit.
A Check IC3010 and peripheral circuit.
A Check between the circuit IC3010 and JK3006.
OK
OK
NG
OK
One of the input (RGB1/2) can be displayed.
NG
INF-45
SECTION 1 SERVICE INFORMATION
< RZ21K / RS20K >
■ DIGITAL LINK input check
■ SDI1 input check
DIGITAL LINK software version is displayed on the SELF
CHECK screen.
NG
A
Check if the voltage [3.3V] is on L2005, [1.8V] on L2008
and [1.0V] on L2011, check X2001, C2004, IC2002,
IC2003, IC2001 and peripheral circuit.
Check the DIGITAL LINK status of [DIGITAL LINK STATUS]
menu.
[SIGNAL QUALITY]
Green (-12 dB or lower) or Yellow (-11 dB ~ -8dB)
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
A Set [AUTO] or [DIGITAL LINK] with user menu.
HDMI signal can be displayed.
NG
A Check IC3010 and peripheral circuit.
A Check the voltage is less than [0.4V] at pin 7 of IC3072.
NG
A Check IC3072 and peripheral circuit.
Check power supply lines.
IC3059-1 pin : 3.3V, IC3351-5pin : 1.2V
NG
A Check IC3059, IC3351 and peripheral circuit.
A Check R3411(G9), R3406(CLK), R3416(HS, VS).
NG
Follow the section "A-P.C.Board operation check"
A
Check clock frequency at R3444.
In case of 3G-SDI signal : 148.5MHz
In case of HD-SDI signal : 74.25MHz
NG
A Check IC3058 and peripheral circuit.
Check between IC2001 and IC3010, check IC2001, IC3010 and
peripheral circuit.
A Check IC3058 and peripheral circuit.
OK
OK
OK
OK
OK
OK
OK
OK
INF-46
SECTION 1 SERVICE INFORMATION
< RZ21K / RS20K >
■ A-P.C.Board operation check
OK
OK
OK
OK
A Check the clock waveform
R3611 : 24.5MHz
NG
A Check IC3501, X3501 and peripheral circuit.
A Check that the voltage is 0.75V at R3981.
NG
A Check IC3520 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 that the voltage is 1.2V at R3801.
NG
A Check IC3511 and peripheral circuit.
A Check that the voltage is 1.5V at C3864.
NG
A Check IC3510 and peripheral circuit.
■ SDI2 input check
Follow the section "DG/FM-P.C.Board operation check"
OK
A Check the voltage is less than [0.4V] at pin 7 of IC3072.
NG
A Check IC3072 and peripheral circuit.
Check power supply lines.
IC3059-1 pin : 3.3V, IC3351-5pin : 1.2V
NG
A Check IC3059, IC3351 and peripheral circuit.
A Check R3411(G9), R3406(CLK), R3416(HS, VS).
NG
Follow the section "A-P.C.Board operation check"
A
Check clock frequency at R3444.
In case of 3G-SDI signal : 148.5MHz
In case of HD-SDI signal : 74.25MHz
NG
A Check IC3058 and peripheral circuit.
A Check IC3058 and peripheral circuit.
OK
OK
OK
OK
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