Schematic Diagrams - Samsung LTM1555(B) Service Manual

10 Schematic Diagrams

10-1 Power EOS_VE_NTSC Part Schematic Diagram
+14V_IN
CN12
dcjhp_7
1
1
L12
3
2 1
TP115
C13 C158
TP114
100uF 10nF
L13
C14
100uF L14
C159
10nF
INVERTER_GND
R144 R145 R146
75 75 75
CN11
d_sub15p
1
9 1
2 1
10 1
3 1
11
4
12 1
5
13 1
6
RED1N
RED1N
14
1
7
GREEN1N
GREEN1N
15 1
8
BLUE1N
BLUE1N
D14
RED1N
GREEN1N
BLUE1N
PC_HSYNC_IN
PC_VSYNC_IN
+5V_CPU
C133 C157
10nF R116
1uF
15K
IC19
24LC21AT-/SN
1 8 R124
NC_1 VCC 100
2 7
NC_2 WC_
3 6
NC_3 SCL
4 5
VSS SDA
R123
100
+5V_CPU
IC18
NM24C17FM8X
1 8
A H
2 7
B G
C156 C131 3 6
C F
100 R122
10nF 1uF
4 5
MO D E
100 R121
LTM1555(B)/LTM1755(B)
+5V_CPU IS ALWAYS ACTIVE
+14V_IN
C142
IC11
100nF
LM2596S-5.0
GND1 6
F_B 4
Vin
C11
C154
1 2
100uF
10nF
5 3
25V, 105C
+14V_INVERTER
2402-001081
+5V_CPU
3
WHEN 17", CHANGE TO 75 OHM
R118 0 C134
1uF
C128
R113 180K
0.002nF
RED1N
R119 0 C135
1uF
C129
R115 180K
0.002nF
GREEN1N
C136
R120 0 1uF
C130 R114 180K
0.002nF
BLUE1N
SKIP
C122 C150
10uF 100nF
+5V_CPU
R134
R135
4.7K
R19
L115 1.5uH
R128 SELF_RASTER_PC
100
L113 1.5uH
DDC_SDA
R143 75
PC_HSYNC_IN
R147 75
PC_VSYNC_IN
L114 1.5uH
DDC_SCL
C162
100pF +5V_CPU
C132 C148
1
1uF 100nF
D18
QZX363C5V6
2
MO
IC110
MC74F14D
1 14
IO VCC
2 13
O_O I5
3 12
H*V_SYNC
I1 O_5
4 11
R130 O_1 I4
100 5 10
I2 O_4 V_SYNC
6 BL_IN
9
O_2 I3
R131
7 R127 100 BL_CNT
100 8
GND O_3
C18
R117
100uF
15K
DDC_SDA
DDC_SCL
PC_VSYNC_IN
R125 100
C163
100pF
SCL
SDA
SW_REG_EN
+3.3V_JAG IS ALWAYS ACTIVE
+5V_CPU
L111
+5V_CPU
IC14
D11
BA033FP
SS24
1 IN 3
OUT
GND
C115 R132 C144 C119 2 C143
4.7K
100uF 100nF 10uF 100nF
1
OS_Con(DIP)
2402-001044
+3.3V_D
FAN1117AD18
R110 150 IC13
RED1P
KA317MR
C125
0.002nF
1
VIN VOUT
RED1N
150 ADJ
R111
GREEN1P 3
C126 C123
0.002nF 10uF
R1431
GREEN1N 0
R112 150
BLUE1P
C127
0.002nF
BLUE1N
2.5VJA1
15":3.3V REG
+14V_IN
17":5V REG
4.7K
2402-001081
C149
C155 C147 C12
100nF
10nF 100nF 100uF IC16
LM2596S-3.3
GND1 6
3.9K
Vin F_B
1
25V, 105C 5 3
+5V_CPU
R13
2.2K
C R126
100
B
SW_REG_EN
R11
E
Q11
1K
2SC2412K-Q
+5V_CPU
+5V_SUP
+3.3V_P
C141
R151
1uF
R138 100K
4.7K
MO
R142
C
10K C140
1uF
B Q16
PANEL_EN
2SC2412K-Q
MO
E
R141
10K
C
B
E
+14V_IN
+5V_CPU
+5V_CPU
C139
R149
1uF
R137 100K
4.7K
R140
C C138 R148
10K
B
1uF 100K
Q14
2SC2412K-Q
MO
E
R139
10K
C
B
Q13
2SC2412K-Q
E
+2.5V_A_JAG & +2.5V_D_JAG IS ALWAYS ACTIVE
+5V_CPU +2.5V_A_JAG
+3.3V_JAG
IC109
KA317MR
1 1 4 1
VIN VOUT
ADJ
C17
R16
3
100uF
470
C145 C120
100nF R15 10uF
470
+14V_IN
2402-001081
C151
+1.8V_D +1.8V_A
100nF
Vin
C16
C161
100uF
10nF
L117 L118
25V, 105C
3.3UH 3.3UH
+5V_CPU
4
C110
100uF R14
2.2K
C R129
100
B
SW_REG_EN
R12
E
Q12
1K
2SC2412K-Q
+3.3V_P
+3.3V_D +3.3V_A
+5V_SUP
L116 B B B B
2 2 2 2
L110 L11 L19 L15
D12 A A A A
1 1 1 1
SS24
1
4
C153
C116 R133 100nF
2
15" ONLY
100uF 4.7K
+5V_DEC
OS_Con(DIP)
2402-001044
CN13
slcon14p_1
1
2 1
3
+3.3V_PANEL
1
4
+5V_PANEL
5
TP139
1
6
B B
2 2
7
1 1
IC112
SI9933ADY-T1 A A 8
1 1
8
1
S1 D1
7 9
2
G1 D1_1
6
3
S2 D2
4 5 10 1 1
G2 D2_1
R150
100K 11
C112 C114
100uF 100uF 12
C15
13 100uF
14
Q15
2SC2412K-Q
+14V_OUT
+5V_DEC +5V_TUNER
B B
2 2
IC111
SI9933ADY-T1
A A
1 1
1 8
S1 D1
2 7
G1 D1_1
6
3
S2 D2
4 5
G2 D2_1
C19 C113
100uF 100uF
CONFIDENTIAL
+5V_CPU +2.5V_D_JAG
IC17
LM317SX
1 2 1
VIN VOUT_1
ADJ VOUT_2
R18
3 4
470
C146 C121
R17
100nF 10uF
470
+5V_SUP
L112
IC12
D13
LM2596S-5.0
SS24
GND1 6
4
F_B
R136
C117
1 2 4.7K
100uF
1
5 3
OS_Con(DIP)
2402-001044
DELETE
17"ONLY
+3.3V_D +3.3V_A
B B
2 2
IC15 L17 L18
BA033FP
A A
1 1
1 OUT 3 1
IN
GND
C124 C152 2 C111
10uF 100nF 100uF
HB-1M2012-800JT
BD14
BL_CNT
BL_EN
C137
1uF +14V_INVERTER
C160
10nF
INVERTER_GND
10-1