LG 32LY560M Service Manual page 38

: Pillow Isolation
+12V_PILLOW
R2308
47
OPT
1/4W
R2302 5%
1
IC2300
MC34063ADR2G
DRIVER_COLLECTOR SWITCH_COLLECTOR
8 1
R2303
1
IPK_SENSE SWITCH_EMITTER
7 2
VCC TIMING_CAPACITOR
6 3
COMPARATOR_INPUT GND
5 4
C2300
100uF
25V
C2303
0.1uF
50V
SEL_PILLOW_0
SEL_PILLOW_1
Univercial Pillow Voltage
023:D1;023:L1;023:P11;023:P8
5VD
1/10W 1%
R2309 200
023:H3;023:L1;023:P11;023:P8
5VD
1/4W 5%
10
R2301
C2301
10uF
16V
C
Q2300 B
PILLOW_CTL_0
2SC3875S(ALY)
E
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
T2300
EE1616H-210uH
1 8
D2303
KDS135S 1/4W
2
5%
1V
3 6
10
4 5
OLD
R2318
C2309 C2310
10uF 0.1uF
D2303-*1
25V 50V
MMBD3004S
A
AC
C
NEW
C2305
1500pF
50V
D2301
1N4148W
100V
C2304
1uF
50V
+3.5V_ST
023:D1;023:H3;023:L1;023:P8
5VD
IC2301
PC17L1(5V/35V 4P)
R2310 R2321
200 1 4 3K
1/10W
5%
2 3
+3.5V_ST
023:D1;023:H3;023:L1;023:P11
5VD
IC2302
PC17L1(5V/35V 4P)
R2311 R2322
200 3K
1 4
1/10W
5%
2 3
USP_1 12VD
023:D1;023:H3;023:P11;023:P8
5VD
12VD
1/4W 5%
10
R2317
C2307
10uF
16V
C
Drawing with Line pattern
Q2301 B
2SC3875S(ALY)
C2306
0.1uF
50V E
PILLOW_CTL_1
12VDC_1
PILLOW_OUT
023:L3
12VD
+3.5V_ST
R2325
33
P_CH_UP
022:B24
PILLOW_CTL_0
PILLOW_CTL_1
R2328
P_ON_OFF
022:I24
P_CH_DN
022:A26
USP_1 UPS_Power
C2311
0.1uF
50V
USP_1
T2301
AT2020-C
2 9
C2316
C2313
0.022uF 4 7 0.1uF
50V
50V
5
UPS_Power
IC2303
PC17L1(5V/35V 4P)
R2332
33 4 1
3 2
IC2304
PC17L1(5V/35V 4P)
R2333
33
4 1
3 2
023:AF4
12VDC_1
IC2305
PC17L1(5V/35V 4P)
R2336 R2342
33 470 1K
4 1
1/10W 1/10W
5% 5%
3 2
023:AF6
IC2306 12VDC_1
PC17L1(5V/35V 4P)
R2330 R2338 R2344
33 470
4 1
1/10W 1/10W
5%
3 2
GND
+5V_Pillow
12VD
PGND
VIN
C2317
0.1uF
AGND
16V
C2314 C2315
10uF 10uF
FB
25V 25V
Vout=0.8*(1+R1/R2)=5.27V
32/42HOSPITAL
JK2300
NC
2
ON/OFF
1
CH_DN CH_UP
6 3
AUDIO
5
COM
4
R2343
0
Drawing with Line pattern
1K
5%
5VD
MAX 1A
IC2307 L2308
L2307
3.6uH
AOZ1051PI [EP]LX
NR8040T3R6N
NC
1 8
SS
2 7
C2320
3A
C2323
3300pF
EN C2322
0.1uF
3 6 50V R1
22uF
R2346 16V
16V
10K
COMP
4 5
OPT
12K C2321
2200pF
R2345 100pF
C2319
50V
R2
2013/08/20
PILLOW 23
LGE Internal Use Only