3-14
3-13
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
AC Input:110-240Vac
CE501/CE502:22uF/400V
AC Input:220-240Vac
CE501/CE502:15uF/400V
AC Input:100-120Vac
CE501/CE502:22uF/250V
India:
CE501/CE502::22uF/450V
Alternative & Selective
+12V
FB501
NC FB80@100MHz
FB501
NC FB80@100MHz
R503
150K
R503
150K
L501
3.3uH/3A
L501
3.3uH/3A
D550
SR2100/2A/100V
D550
SR2100/2A/100V
+
10uF/50V
CE506
+
10uF/50V
CE506
D504
1N4007/1A/1000V
D504
1N4007/1A/1000V
CY501
NC 100pF/250VAC
CY501
NC 100pF/250VAC
+
15uF/400V
CE502
+
15uF/400V
CE502
R501
22
R501
22
C505
2200pF/50V/X7R
C505
2200pF/50V/X7R
R507
2.2K
R507
2.2K
U501 TNY176DG
U501 TNY176DG
S
8
EN/UV
1
S
5
S
6
Drain
4
S
7
NC
3
BP/M
2
CN501
2PIN/7.92mm
CN501
2PIN/7.92mm
1
1
2
2
D503
1N4007/1A/1000V
D503
1N4007/1A/1000V
CY502
1000pF/250VAC
CY502
1000pF/250VAC
L502
NC 680uH 10%
L502
NC 680uH 10%
+
470uF/16V
CE508
+
470uF/16V
CE508
ZD501
BZX79C9V1
ZD501
BZX79C9V1
D505
FR107/1A/1000V
D505
FR107/1A/1000V
T501
EE19
T501
EE19
9
5
3
7
10
1
D502
1N4007/1A/1000V
D502
1N4007/1A/1000V
F501
10ohm/2W
F501
10ohm/2W
R502
150K
R502
150K
C504
1000pF/1KV
C504
1000pF/1KV
U502
LTV-817S-B
U502
LTV-817S-B
1
2
4
3
+
10uF/400V
CE501
+
10uF/400V
CE501
R504
100K
R504
100K
C501
1500pF/1KV
C501
1500pF/1KV
+
1000uF/16V
CE507
+
1000uF/16V
CE507
LF501
30mH
LF501
30mH
D501
1N4007/1A/1000V
D501
1N4007/1A/1000V
ZD504
BZX79C11
ZD504
BZX79C11
R506
200
R506
200
R505
22
R505
22
R9
0
R9
0
Warning
Parts that are shaded are critical with
respect to risk of fire or electrical shock.
CIRCUIT DIAGRAMS
1. SMPS - POWER CIRCUIT DIAGRAM
WHEN SERVICING THIS CHASSIS, UNDER NO
CIRCUMSTANCES SHOULD THE ORIGINAL
DESIGN BE MODIFIED OR ALTERED WITHOUT
PERMISSION FROM THE LG CORPORATION. ALL
COMPONENTS SHOULD BE REPLACED ONLY WITH
TYPES IDENTICAL TO THOSE IN THE ORIGINAL
CIRCUIT. SPECIAL COMPONENTS ARE SHADED
ON THE SCHEMATIC FOR EASY IDENTIFICATION.
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY
DIFFER 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.
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.
IMPORTANT SAFETY
NOTE :
Summary of Contents for BP340
Page 9: ...1 8 MEMO ...
Page 15: ...2 6 MEMO ...
Page 26: ...3 11 BLOCK DIAGRAM ...
Page 27: ...3 12 MEMO ...
Page 41: ...3 39 3 40 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Page 42: ...3 42 3 41 2 SMPS P C BOARD TOP VIEW BOTTOM VIEW ...
Page 43: ...3 44 3 43 MEMO MEMO ...