SMPS-WIDE
HT303/HT353
EBY39308002 REV 1.3
2010.01.08
A
1
2
3
4
5
6
7
8
9
10
11
12
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
NOTES) Symbol denotes DC chassis ground.
NOTE) Warning
NOTE)
Parts that are shaded are critical
NOTE)
With respect to risk of fire or
NOTE)
electricial shock.
2-49
2-50
CIRCUIT DIAGRAMS
1. SMPS(POWER) CIRCUIT DIAGRAM
IMPORTANT SAFETY NOTICE
WHEN SERVICING THIS CHASSIS, UNDER NO CIR-
CUMSTANCES SHOULD THE ORIGINAL DESIGN BE
MODIFIED OR ALTERED WITHOUT PERMISSION
FROM THE LG CORPORATION. ALL COMPONENTS
SHOULD BE REPLACED ONLY WITH TYPES IDENTI-
CAL TO THOSE IN THE ORIGINAL CIRCUIT. SPECIAL
COMPONENTS ARE SHADED ON THE SCHEMATIC
FOR EASY IDENTIFICATION.
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF-
FER FROM THE ACTUAL CIRCUIT USED. THIS WAY,
IMPLEMENTATION OF THE LATEST SAFETY AND
PERFORMANCE IMPROVEMENT CHANGES INTO
THE SET IS NOT DELAYED UNTIL THE NEW SERVICE
LITERATURE IS PRINTED.
NOTE :
1. Shaded(
) parts are critical for safety.
Replace only with specified part number.
2. Voltages are DC-measured with a digital voltmeter
during Play mode.
Содержание SH33SD-S
Страница 25: ...2 16 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION FIG 4 1 1 2 3 4 1 2 3 4 ...
Страница 27: ...2 18 FIG 7 2 DVD 7 DISC TYPE JUDGEMENT WAVEFORMS FIG 7 1 DVD 1 2 3 IC501 IC501 1 2 3 1 2 3 ...
Страница 28: ...2 19 FIG 7 4 CD FIG 7 3 CD 1 2 3 IC501 IC501 1 2 3 1 2 3 ...
Страница 29: ...2 20 FIG 8 2 CD 8 FOCUS ON WAVEFORMS FIG 8 1 DVD 1 2 3 1 2 3 4 4 1 2 4 3 IC501 ...
Страница 31: ...2 22 11 MT1389 L VIDEO OUTPUT WAVEFORMS 1 Full colorbar signal COMPOSIT FIG 11 1 FIG 10 2 CD 3 4 2 1 1 2 4 1 3 ...
Страница 41: ...2 32 2 IC401 MOTOR DRIVER PIN CONFIGURATION BLOCK DIAGRAM ...
Страница 42: ...2 33 1 IC501 MPEG MT1389L PIN DESCRIPTION ...
Страница 54: ...2 45 2 46 WIRING DIAGRAM PN202 CABLE1 18PIN WIRING DIAGRAM HT303 HT353 EBY38558901 8 REV 8 2 2008 12 16 ...
Страница 55: ...2 47 2 48 OVERALL BLOCK DIAGRAM MT1389FE L BLOCK DIAGRAM HT303 HT353 EBY38558901 7 REV 8 2 2008 12 16 ...
Страница 66: ...2 69 2 70 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD DIAGRAM TOP VIEW ...
Страница 67: ...2 71 2 72 MAIN P C BOARD DIAGRAM BOTTOM VIEW ...
Страница 74: ...2 PASSIVE SUBWOOFER SH33SD W 950 A90 951 953 956 954 952 955 WIRE90 3 7 ...
Страница 75: ......