48
SC-LX82
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Step 8: COMPONENT IN
COMPONENT
OUT
Perform the same check items up to
those for Q1151, Q1155 and Q1157 of Step 5-1.
R1214
Are there
signals?
No
NG
Yes
A_VCYOUT_EM
R1219
A_VCBOUT_EM
R1224
A_VCROUT_EM
Replace the DIGITAL MAIN Assy.
IC1805 (Pins 2-9),
IC1806 (Pin 2) (side B)
Are there
signals?
No
Yes
VDQ**
VDOCLK
Note: When the connection is Composite S OUT, refer to the
diagnose of IC800 and later in steps 9 and 10.
Check IC1701 and its peripheral
circuits.
IC1805 (Pins 2-9),
IC1806 (Pin 2) (side B)
Are there
signals?
No
Yes
VDQ**
VDOCLK
Check IC1701 and its peripheral
circuits.
CN1253 (Pin 2)
Are there
signals?
No
Yes
A_VCYOUT
CN1253 (Pin 4)
A_VCBOUT
CN1253 (Pin 6)
Diagnose the COMPONENT Assy.
A_VCROUT
Check the soldering and
connection of the CN1253.
Check Q1202 and its peripheral circuits.
Check Q1203 and its peripheral circuits.
Check Q1204 and its peripheral circuits.
Are there
signals?
No
Yes
A_VCYOUT
A_VCBOUT
A_VCROUT
Replace Q1202, Q1203, Q1204
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.
Check IC800 and its peripheral
circuits. Check the soldering.
Step 9: S IN, S OUT
To Step 10
Perform the same check items up to
those for IC1701 of Step 6.
R1203
Are there
signals?
No
NG
Yes
A_VSYOUT_EM
R1209
A_VSCOUT_EM
Replace the DIGITAL MAIN Assy.
Note: When the connection is Composite OUT and Component OUT,
refer to the diagnose of IC800 and later in steps 8 and 10.
CN1253 (Pin 16)
Are there
signals?
No
Yes
A_VSYOUT
CN1253 (Pin 14)
A_VSCOUT
Check the soldering and
connection of the CN1253.
Q1200 Emitter
Q1201 Emitter
Are there
signals?
No
Yes
Check Q1200, Q1201 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.
Check IC800 and its peripheral
circuits. Check the soldering.
DVC ON, Analog IN, OUT
Содержание SC-LX72
Страница 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 ...
Страница 11: ...11 SC LX82 5 6 7 8 5 6 7 8 A B C D E F 2 Display ...
Страница 12: ...12 SC LX82 1 2 3 4 A B C D E F 1 2 3 4 ...
Страница 13: ...13 SC LX82 5 6 7 8 5 6 7 8 A B C D E F 3 Rear Panel ...
Страница 14: ...14 SC LX82 1 2 3 4 A B C D E F 1 2 3 4 ...
Страница 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 ...
Страница 16: ...16 SC LX82 1 2 3 4 A B C D E F 1 2 3 4 ...
Страница 17: ...17 SC LX82 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 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 ...
Страница 19: ...19 SC LX82 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 42: ...42 SC LX82 1 2 3 4 A B C D E F 1 2 3 4 SIDE A DSP ASSY B g p r t o q s b a Z X V D E G H e l c l j n A F ...
Страница 161: ...161 SC LX82 5 6 7 8 5 6 7 8 A B C D E F ...