Schematic Diagrams - Samsung LTM1525 Service Manual

10 Schematic Diagrams

10-1 CPU Block & Signal Processing Part Schematic Diagram
+3.3V_BD
C366 C367 C368 C369 C371 C372 C373 C374 C375 C302
33pF 100nF 33pF 100nF 33pF 100nF 33pF 100nF 33pF 100nF
C336
100uF
16V
GND_D
EXT_COAST
C378
100nF
C379
39nF
C381
3.9nF
R356
3.3K
C382 C383
L301
100uF 10nF
3.3UH
16V
C384
100nF
C385
100nF
R357
+5V IC301 10K
BA033FP
C345
FT304
22uF
BLM41P600S
16V
R361 R362
100 100
+5V
1
FT401 1
SGM32F1E104-2A T421 T422
1 A B 2
C497 C498
C
3 47uF 10nF
16V
R486
T484
100
1
C476
100pF
R404
C404
470K
470pF
1/16W
C492
100nF
HSYNC
BLUE
GREEN
RED
V_SYNC
+5V_A +3.3V_A
H_SYNC
CN575
slcon33p
1
T991
2
COMP_Y
U131
3
4
COMP_Pb
T993
5
6
COMP_Pr
T994 +5V_A
7
8 PC_RIN
T995
9
10 PC_LIN
T996
11
T992
12
PC_INT
T997
13
T999 H_SYNC
14
V_SYNC
T1000
15
16
BLUE
T1001
17
18 GREEN
T1002
19
20 RED
T1003
21
22 R4007
KEY1
T1004
23 DDC_CLK 120
T1005
24
T1006 DDC_DATA CVBS_SYNC_OUT
25
T1007 DDC_5V
26
T1008
27 R4551
TD_L1 D4_L1
28 3.3K
TD_L2
D4_L2
29
TD_L3 D4_L3
30
31
32
33 C9572 C9573 C9571
56PF 56PF 1nF
50V 50V 50V
MO MO MO
From SUB Board(PC)
LTM1525/LT15S13C
TO DPTV DIGITAL INPUT
C376 C377
33pF 100nF
GND_D
5
21
GND4 GND20
22 80
VDD2 VDD6
23 79
VDD3 VDD5
24 78 PAR(0)
GND5 RED0
25 77 PAR(1)
GND6 RED1
26 76 PAR(2)
VD1 RED2
27 75 PAR(3)
VD2 RED3
T331 T332
28 74 PAR(4)
GND7 RED4 T333
29 73 PAR(5) 1 1 1
COAST IC350 RED5
30 72 PAR(6)
HSYNC RED6
31 71 PAR(7)
AD9883AKST-110
VSYNC RED7
32 70
GND8 VDD4 R354 47
33 69
FILT GND19 GND_D DCLK
34 68
PVD1 DATACK
35 67
PVD2 HSOUT HS
36 66 R355 22
GND9 SOGOUT
37 65
MIDSCV VSOUT
CVBS_SYNC_OUT
38 64 GND_D R3590 22
CLAMP GND18
39 63
VD3 VD10
VS
40 62
GND10 GND17
61 R367 22
C386
100nF C9596 C9597
22pF 22pF
50V 50V
MO MO
GND_D GND_D
C391 C392
100nF 100uF
C301 R358
16V
1nF 10K
C350
R360
1uF
100
50V
U116 C346 SDA3
1uF 1uF
50V 50V SCL3
R359
100
C397 C398 C399
100nF 100nF 100nF
+5V
BLUE RED
GREEN
RA0
10K
ICA5
1/16W
LM555CMX
8 1
7 2
R402 L:PC, H:DVD/DTV
R403 R401
75
75 75 6 3
SEL_DTV_PC
5 4
CA1
100nF RA3
50V 220
MO 1/16W
GND_D
T946
1
C3410
100nF
C486 C485 C477
R485
100nF
100nF 100 100pF
C488 C489 C491
10uF 10uF 10uF
16V 16V 16V
3 3 +5V_A
3
VSYNC
C3407
10uF
BLUE GREEN RED 1 2 1 2
16V
1 2
4
+3.3V_A
C406 IC406
100nF 74LCX14MX
C405
100uF
R408 Y
16V
100 +5V_A
1/16W
C411 C412
C454
22uF 10nF
33pF
16V 50V
MO
IC408
R482
74HC157
100
R407
100
1/16W
F187
SGM32F1E104-2A
R4009
1 2
A B 470 HSYNC
C
3
C3402 C3401
R4010
10nF
100nF
3.3K
R4005
VSYNC
470
IC175
C3404
GS1881-CKA R4006
1uF 3.3K
1 8 Vout
50V
C3403
2 7 Hout
100nF
3 6
VSYNC_COAST
4 5
R4008
680K
DDC_5V
C9585 C9584
R4568 R4569 100nF 10nF
15K 15K 16V 50V
1/16W 1/16W MO MO
IC401
DDC_DATA NM24C02M8
DDC_CLK
C9582
33pF
50V
MO
TO DPTV PARALLEL COMM
C602
100nF
+3.3V_BD
6 2 6 2
8 4 8 4
RA611
7 5 3 1 7 5 3 1
AD(0)
AD(1)
AD(2)
AD(3)
AD(4)
AD(5)
AD(6)
AD(7)
C612
16V
10uF
CVBS_OUT
R604
FROM DPTV 1K
C608 R944
1/16W 220pF 2.2K
50V 1/16W
MO
Vout
Hout
COAST GENERATOR
DPTV_ENBLE
Stiching CAP
RA1
100 C9587
1/16W 100nF
VSYNC_COAST 16V
MO
EXT_COAST
RA2
100
1/16W
SW_COAST
R653
10K
1/16W
DGND
14
13
C3409
C3408
12
100nF 100nF
11
+3.3V_A +3.3V_BU
10
9
8
R607
FT924
10K
SGM32F1E104-2A
1/16W
1 A 2
B
C3406 C3405 C
3 C9563 C
10uF 10uF
100nF B
16V 16V
16V
MO E
C9560
22uF
16V
DGND
+3.3V_BU
Pb Pr
C455
33pF
R4555 R4567
C456 C9558
100 10K
33pF 22uF
1/16W 1/16W
16V
C
Q812 B
R457 R458
2SC2412K-Q
100 100
TUNER_CVBS E
R4563
12K
R4559
1/16W
560
R4552
100
1/16W
TUNERGND Q809
2SC2412K-Q
+3.3V_BU
CVBS
R4556
560
R4553 R4565
C9557
100 10K
22uF
1/16W 1/16W
16V
C
Q810 B
2SC2412K-Q
E
S_VIDEO_Y R4561
12K
R4557 1/16W
COMP_Pr
560
COMP_Pb
COMP_Y
2SC2412K-Q
S_VIDEO_C
MCAD(0:7) MCAD(0:7)
MCA(0:19)
DGND
+3.3V_A
C601
+2.5V_A
100nF
MCA(7)
2 6 8 2 6 8 2 6 8 2 6 8
4 4 4 4 RA604
RA603
RA602
C603 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7
RA601
47uF
16V ex1
C604
100uF
RA605
16V
1 80
MCAD(1) FL_RST RA606
D1
MCAD(4) 2 A7 79
D4
3 78
MCAD(2) A13 MCA(13)
D2
MCAD(3) 4 A12 77 MCA(12)
D3
C605 C606 5 76
RA610 A14 MCA(14)
XROM_
100nF 100nF 6 VDD3_3_3 75 C607
VDD2_5 MCA(10) (90)
7 74 100nF
VSS1 GND (91) VSS3
+3.3V_A
8 73 RA607
VDD3_3_1 GND (92) VDD2_5_2
9 72
P0_0 MCA(2) (93) FL_PGM
RA608 10 A15 71 MCA(15)
P0_1 MCA(1) (94)
11 A17 70
MCA(17)
P0_2 OPEN (95)
12 A16 69 MCA(16)
P0_3 MCA(0) (96)
13 68
A18 MCA(18)
P0_4
RA609 14 A19 67 MCA(19) R617
P0_5
15 IC601 NC6 66 4.7K
P0_6
16 RD 65 1/16W
P0_7
ex2 17 SDA5550M 64
ENE WR
1 18 63
R609 STOP NC4
19 62
T611 OCF P1_7
10K
20 61
EXTIF_ NC5
C609 21 60 R618
CVBS BLANK
100nF 22 59 100
VDDA2_5 B C611
23 58 1/16W
G 47uF
VSSA
24 57
P2_0 R 16V
25 56
R612 1.5K VDDA2_5_2
P2_1
R613 1.5K 26 55 C613
P2_2 VSSA1
27 54 1 100nF
NC3 T604
28 P2_3 53
NC_1 XTAL1
29 52
HS XTAL2
30 NC2 51 R619 C614
VS
20pF
75
DGND DGND
X601
C615
+3.3V_A 20pF C616
DGND
2.2uF
ex3
R621 R622 35V
10K 10K
R623
470
DGND
R624 100 1/16W
R626 100 1/16W
R628 R629 100 1/16W
100
C617
100pF
R633
R634 R636 +3.3V_A
100 100 R635 4.7K
1/16W 100 1/16W
IC604
1/16W
DGND R670 KIA7029F
R652 1/16W 100
VSYNC DGND
100
R645 R639
1/16W 680 220
HSYNC
C B A
ex4
R616 D604
3 2 1
100
1/16W
C624
R632 R627 1
T605
100nF
+3.3V_A 100 100
1
R643
100 C623 C622 C621 T606
1/16W 10nF 10uF 100uF
16V
DGND
R646 R648
4.7K 4.7K R615
100
CN601
R693 R692
slcon3p
10 10
1/16W 1/16W
1 1
T602
T603
D681
R961
MMBD4148SE +5V_A
12K
C625
1/16W
100nF
R675
R674
4.7K
4.7K
IC681 1/16W
1/16W C626
FST3125MX DGND
100nF R654
10K IC631
1
N A IN R662 100 PCF8574AT
2 16 1
M B IN
R683 100 DGND
3 R663 100 15 2
L IN C
4 R687 100 14 3
K D IN
R664 100
5 13 4
J E IN
6 12 5
F IN C9566
I
7 R667 100 11 6
H G IN 10nF
10 7
50V
9 8
MO
DGND R684 R681 R678 R677 R676
IC632 R671
10K 10K 10K 10K 47K
PCF8574AT 330
16 1
R685 100
Q610 15 2 R651
DGND
2SC2412K-Q 14 3 220
OPTION OPTION DGND
13 4
R686 100
12 5
11 6
10 7
220
R640 T698
9 8
OPTION
R608
R642
47K R963 220
1/16W 47K
DGND DGND
LM2676SX_3.3 R680 220
SCL3
R682 1
56
SDA3
+5V
CN505 FROM MICOM
slcon23p
1 TEST_PIN
T975
2
slcon4p
3
T976 #87 ALE
SCL2 4
T977
5
SDA2
T978 #17 to GND
+3.3V_BU 6
7
#50 RESET
SIF T979
8
LED T980
9
#RESET IC OUTPUT
IR T981
R4564 10
C9556
10K 11
22uF AVI_R
T982
1/16W 12
16V AVI_L T983
C
13
8V_TUNER T984
B 14
COMP_RIN 15
T985
E 16
COMP_LIN T986
R4560 17
12K 18 Extra Connection
T987
1/16W 19
T988
20
21
T989
22
23
+3.3V_BU
R4554 TUNERGND
R4566 C9562
100 10K 100nF
1/16W
1/16W 16V
C MO
Q811 B
E
R4562
12K
R4558
1/16W
560
From SUB Board(A/V)
CONFIDENTIAL
MCA(0:19)
+3.3V_A
DGND
C620
100nF
E-PROM
4 3 2 1 32 31 30
1D 1C 1B 1A 2F 2E 2D
MCA(14)
MCA(7) 2C
5 1E DGND
MCA(6) 29 MCA(13)
2B
6 1F 28
MCA(5) MCA(8)
1G 2A
MCA(4) 7 27 MCA(9)
IC620 1Z
8 1H 26
MCA(3) MCA(11)
9 1I 1Y
MCA(2) 25
1J 1X
10 24
MCA(1) MCA(10)
1K 1W
MCA(0) 11 23
1V
12 1L 22 MCAD(7)
MCAD(0) 1U
13 1M
21 R638
1N 1O 1P 1Q 1R 1S 1T 0
14 15 16 17 18 19 20
DGND
+3.3V_BD
R601 DGND
10K
1/16W
R602
RST_FR_MCU1
56K
C
1/10W (MN82860)
B Q611
KSC1623-Y
R690
E
56K DPTV : HIGH ACTIVE
1/16W
MN82860 : LOW
DGND DGND
RST_FR_MCU
+2.5V_A
(DPTV)
OPTION
+3.3V_BD
R694_D R695_D
15K 47K DGND
1/16W 1/16W
GAMMA_CONTROL
LM2596S_5.0
1 LED
C618 T699
+5V_A
10nF
50V +3.3V_A
MO
C619 IC603 R649
100nF NM24C17FM8X 4.7K
R650
8 1 1/16W
H A 100
1/16W
7 2
R637
G B INVERTER_ON_OFF
E2-ROM C
100
6 3 C9569
B
F C
1nF
5 4 E Q601 50V
E D
2SC2412K-Q MO
R644
ESCL
100
DGND
ESDA
IR
LM2676SX_3.3
SCL1
SDA1
ALE
DPTV_WD
DPTV_RD
KEY2
KEY1
D4_L3
R698 56
D4_L1
R699 56
R962 C9568 C9570
12K 10nF 1nF
1/16W 50V 50V
MO MO
R661 R659 R658 R657 R656 R655
10K 10K 10K 10K 10K 10K
R665
330
SEL_DTV_PC
S_RESET
R666
330
LVDS_ON_OFF
R668
330
R603
100
T624
1/16W
1
IDENT_FAC
PC_INT
R672
330
1 T622 IC808_C
SW_COAST
SW_PCGAIN
MUTE
1
R673
H_DVD,DTV
T623
330
L_PC
D4_L2
SCL2
SDA2
C9565
470pF
50V
MO
EMULATOR
DGND
1 #44
ex1
2
GND
ex2
3
#40
ex3
4 #41
ex4
1 1 1
10-1