Panasonic PT-RS30K Service Manual page 65

SECTION 1 SERVICE INFORMATION
■ DIGITAL LINK input check
HDMI signal can be displayed.
Is [DIGITAL LINK MODE] of the setup menu [AUTO] or [DIGITAL
LINK]?
DIGITAL LINK software version is displayed on the SELF
CHECK screen.
Check the DIGITAL LINK status of [DIGITAL LINK STATUS]
menu.
[SIGNAL QUALITY]
Green (-12 dB or lower) or Yellow (-11 dB ~ -8dB)
Check between IC2001 and IC3010, check IC2001, IC3010 and
peripheral circuit.
■ SDI1 input check
Check power supply lines.
IC3059-1 pin : 3.3V, IC3351-5pin : 1.2V
A Check the voltage is less than [0.4V] at pin 7 of IC3072.
Check clock frequency at R3444.
A In case of 3G-SDI signal : 148.5MHz
In case of HD-SDI signal : 74.25MHz
A Check R3411(G9), R3406(CLK), R3416(HS, VS).
A Check IC3058 and peripheral circuit.
OK
OK
OK
OK
OK
OK
OK
OK
NG
A Check IC3010 and peripheral circuit.
NG
A Set [AUTO] or [DIGITAL LINK]. with user menu
Check if the voltage [3.3V] is on L2005, [1.8V] on L2008
NG
A and [1.0V] on L2011, check X2001, C2004, IC2002,
IC2003, IC2001 and peripheral circuit.
NG
Check between JK2001 and IC2001, check X2001,
A
IC2002, IC2003 and peripheral circuit.
NG
A Check IC3059, IC3351 and peripheral circuit.
NG
A Check IC3072 and peripheral circuit.
NG
A Check IC3058 and peripheral circuit.
NG
Follow the section "A-P.C.Board operation check"
INF-55
<RZ31K/RS30K>