49
SC-LX82
5
6
7
8
5
6
7
8
A
B
C
D
E
F
Diagnose the IC800 (through hole) of Composite/S/
Component OUT and later.
Note: When the connection is S Component OUT,
refer to the diagnose of IC800 and later in steps 8 and 9.
Is there a
signal?
No
Yes
CN1253 (Pin 6)
Diagnose the COMPONENT Assy.
To Step 11 or 12.
A_VCYOUT
Check the soldering and
connection of the CN1253.
Check Q1202 and its peripheral circuits.
Is there a
signal?
No
Yes
Replace Q1202 and its peripheral
parts.
IC800 (through hole)
(Pins E13,D13,E12,D12,E11,
D11,E10,D10,D15) (side B)
Are there
signals?
No
Yes
VID0-7, VICLK
Check IC1805, IC1806 and its
peripheral circuits.
Step 10: COMPOSITE IN, COMPOSITE OUT
(at DVC ON)
Step 11: GUI
Composite/S/Component OUT
Go to .
D
Step 12: GUI
HDMI OUT
Step 13: JPEG (USB)
Perform the same check items up to
those for IC1805 and IC1806 of Step 7.
Is there a
signal?
No
Yes
R1214
Replace the DIGITAL MAIN Assy.
A_VCYOUT_EM
A_VCYOUT
Check IC800 and its peripheral
circuits. Check the soldering.
NG
Are there
signals?
No
Yes
R1254,R1255
Check the USB device.
D+, D-
Check CN1259 and L1250 and
its peripheral circuits.
NG
IC1805 (Pins 2-9),
IC1806 (Pin 2) (side B)
Are there
signals?
No
Yes
VDQ**
VDOCLK
Check IC1701 and its peripheral
circuits.
Summary of Contents for SC-LX72
Page 10: ...10 SC LX82 1 2 3 4 A B C D E F 1 2 3 4 2 2 PANEL FACILITIES 1 Front Panel ...
Page 11: ...11 SC LX82 5 6 7 8 5 6 7 8 A B C D E F 2 Display ...
Page 12: ...12 SC LX82 1 2 3 4 A B C D E F 1 2 3 4 ...
Page 13: ...13 SC LX82 5 6 7 8 5 6 7 8 A B C D E F 3 Rear Panel ...
Page 14: ...14 SC LX82 1 2 3 4 A B C D E F 1 2 3 4 ...
Page 15: ...15 SC LX82 5 6 7 8 5 6 7 8 A B C D E F 4 Remote Control In case of SC LX82 ...
Page 16: ...16 SC LX82 1 2 3 4 A B C D E F 1 2 3 4 ...
Page 17: ...17 SC LX82 5 6 7 8 5 6 7 8 A B C D E F ...
Page 18: ...18 SC LX82 1 2 3 4 A B C D E F 1 2 3 4 5 Remote Control In case of SC LX72 ...
Page 19: ...19 SC LX82 5 6 7 8 5 6 7 8 A B C D E F ...