Samsung LB15VS Service Manual page 92

11 Schematic Diagrams
This Document can not be used without Samsung's authorization.
LB15VS/LB17LS/LB17KS/LB17LT/LB17KT
11-1
SCHEMATIC DIAGRAM
Project Name: LIBRA
Model Name: LB17K/L,LB15V
CAUTION
WARNING: "THIS EQUIPMENT CONTAINS
1.THE SHADED AREAS AND MARKS IN THE SAFETY CRITICAL COMPONENTS ALL PARTS
SCHEMATIC DIAGRAM AND THE PARTS LIST
SAFETY CRITICAL COMPONENTS ALL PARTS
DESIGNATE COMPONENTS WHITCH HAVE SCHEMATIC ARE SAFETY REPLACE SAFETY
SPECIAL CHARACTERISTICS IMPORTANT
CRITICAL COMPONENTS ONLY WITH MANU-
FOR SAFETY AND SHOULD BE REPLACED
FACTURERS RECOMMENDED PAPTS LIST
ONLY WITH TYPES IDENTICAL TO THOSE
FOR EXACT REPLACEMENTS
IN THE ORIGINAL CIRCUIT OR SPECIFIED
IN THE PARTS LIST. BEFORE REPLACING NOTE
ANY OF THESE COMPONENTS , READ CAR-
EFULLY THE "PRODUCT SAFETY NOTICE" . 1.RESISTANCE IS SHOWN IN OHM K=1.000
M=1,000,000. RATED POWER OF RESIS-
2.DURING A NEMEROUS MEASUREMENT OF TOR NOT NOTED IN SCHEMATIC DIAG-
THIS MONITOR WATTERS THAT DEMAND
RAM IS 1/8W
SPECIAL ATTENTION IS FOLLOWING .
2.CAPACITANCE IS SHOWN UF AND NOT
1) DO NOT USE YOUR INSTRUMENT BETWE - NOTED CAPACITANCE IS SHOWN PF.
EN PRIMARY GROUND (SYMBOL ) AND 1UF=1,000,000PF RATED VOLTAGE OF
SECONDARY CIRCUI T
CONDENCER NOT NOTED IN SCHEMATI C
2) DO NOT USE YOUR INSTRUMENT BETWEEN DIAGRAM IS 50V
SECONDARY GROUND (SYMBOL ) AND 3.ABBREVIATION AND SYMBOL
PRIMARY CIRCUI T
MO:R-METAL OXIDE WW:R-WIRE WOUND
3.THE SHADED AREAS IS A PRIMARY FU:FUSIBL E MF:R-METAL FILM
SECTION (HOT PART) CC:R-COMPOSITION
CM:R-CEMENT MPP:METAL POLYPROPYLENE
MP:C-METAL POLYESTOR
AVERTISSMENT: "CE RECEPTEUR
PP:C-POLYPROPYLENE
EST EQUIPE DE COMPOSANTS CRITIQUES
P :C-POLYESTOR
POUR LA SECURITE TOUTESLES PIECES T :C-TANTALIU M
INDIQUEES DANS LES ZONES OMBREES DU :HOT GROUND
SCHEMA SONT CRITQUEPOUR LA SECURITE :COLD GROUND
POUR MAINTENIR LE DEGRE DE SECURITE
4.THE SECONDARY VOLTAGE IS READ WITH
DE LAPPAREIL NE REMP LACER LE FABR- SSVM FROM INDICATED POINT TO COLD
ICANT DONT LE FONCTIONNEMENT EST
GROUND ( ) THE PRIMARY VOLTAGE IS
CRITITE QUE PAR DES PIECES RECOMMA- READ WITH SSVM FROM INDICATED POINT
NDEES PAR LE FABRICANT CONSULTER LA TO HOT GROUND ( )
NOMENCLAYURE DES PIECES POUR TROUVER 5.THIS SCHEMATIC DIAGRAM IS SUBJECTED
5V
R202
10K
1/8W
S3
S2
S1
OFF1
OFF2
R201 56 1/8W
S_RASTER
V_MUTE
DEGAUSS
5V 18
C202
22pF
50V
MO
C203
R203
22pF
R204
4.7K
50V
4.7K
1/8W MO
1/8W
R205 100
DDCDATA
R206 100 1/8W
DDCCLK
ZD201
UZ30BM
R207 10K 1/8W
50V_SENSE
R208 10K 1/8W
TILT
50V_SENSE2
C204 ZD202
1uF UZ4.7BSA
50V
17" only
MPRII only
CN602 C620
slcon3p 2.2nF
500V
3
R620
300
2 TH601
1/2W
4.5ohm
1
3
RL601 4
G5PA-1
1 D621
2
1N4148
D601
G2SB60L-5700
2
3
C603 C604
2.2nF 2.2nF
250V 250V
C602
150nF
275VAC
1 2
L601
BH27-000007A
25mH
4 3 15":BH29-00002A
EY602
1
EYE2.2 C601
150nF
EY601 1 275VAC
EYE2.2
R601 R602
330K 330K
1/2W 1/2W
FH1
215004MXF7
4.0A
CN601
slcon3p
AC INPUT
AC90V~AC264V
LB15VS/LB17LS/LB17KS/
LB17LT/LB17KT
Main Schematic Diagram
CN204
slcon2p
1
KEY1
2
OEM Only
CN203 CN205
1 slcon5p 1 slcon5p KEY1
2 2 POWER
3 3
LED (KEY2)
4 4
5 5
1 CN202
slcon7p
2
HS_IN
3
VS_IN
4
DDCDATA
5
DDCCLK
6
S_RASTER
7 DDC5V
ZD221 ZD222 ZD223 ZD224 ZD225 ZD226
5V
UZ6.2BSB UZ6.2BSB UZ6.2BSB UZ6.2BSB UZ6.2BSB UZ6.2BSB
CN201
13 IC241
slcon13p
KS24C081-C
12
6.3V
1 8
11
80V 2 7
3 6
10
4 5
G1
9
8V
8
7
VS_OUT
6
ACL
5
IICDATA
4
IICCLK 12V
3
HS_OUT
2
5V_V
1
AFC
C431
100UF
16V
C632
V_FOCUS
5V 5V
100uF
10V R231 56 1/8W
IICDATA
3 R232 56 1/8W
C201 IC201 IICCLK
100nF R229 R212 R211 R210 R209
4.7K 4.7K 4.7K 4.7K 4.7K
50V S3P863
1/8W 1/8W 1/8W 1/8W 1/8W
42 R213 100 1/8W
1 NC IIC_DATA
IICDATA
R214 100 1/8W
2 41
S3 IIC_CLK IICCLK 4 B_DRV
40 1/8W
3 S2 LED R215 270 LED
4 39
S1 NC
38 R216 100 1/8W
5 OFF1 POWER(KEY2) POWER (KEY2) H_DRV
6 37 R217 100 1/8W
OFF2 KEY1 KEY1 7
36 5V
7
S_RASTER NC
8 35 EW_OUT
V_MUTE VIDEO SEL.
R228 4.7K 1/8W
34
9 AFC_SENSE AVREF
ZD214 ZD213 ZD212 ZD211
V_OUT
10 33
DEGAUSS GND UZ6.2BSB UZ6.2BSB UZ6.2BSB UZ6.2BSB C331
150nF
11 32
5V W_PROTECT
W_PROTECT
8
12 31 R218 100 1/8W
GND HSYNC_IN HS_IN
Q1
13 30 1/8W
R219 100 VS_IN
X-OUT VSYNC_IN C332
470nF
Q0 14 29
X-IN VSYNC_OUT VS_OUT
X201
15 28 C333
12MHz TEST HSYNC_OUT HS_OUT 47uF
1/8W
16 27 16V
DDCDATA CLAMP CLAMP
R220 1K 1/8W
17 26 V_REG
DDCCLK ADJ_ACL ADJ_ACL
18 25 R221 220 1/8W
RESET MODE_REG MODE_REG
12V
19 24
LATCH MODE_SIZE R222 10K 1/8W
MODE_SIZE
1/8W
20 23 R223 10K
TILT SIZE-ADJ SIZE_ADJ R332 D341
1N4148
21 22 68K
50V_SENSE2 SUB_SIZE 1/8W
C212 15:130K
D201 R224
220pF
1N4148 1.5K
50V 1/8W
R336 R333
MO
30K 100K
R230 1/8W 1/8W
150
L:82K
C205 1/8W R225 C208 C209 C210 C211
C206 C207 15:43K
100pF 1M 1uF 1uF 4.7uF 4.7uF
1/8W 1NF 100pF
50V 50V 50V 50V 50V
MO 50V 50V
MO MO
R611
Jumper
14V_1
SW1
R609
470 SW2
1/8W
Q601
R634
2N3904 ZD602
10K C UZ6.2BSB
B
1/8W
C614 C617
C 47nF R610 C616 2.2nF
E C615
100nF 250V
B 100V 33 47uF
P
1/8W 16V 50V
50V_SENSE
Q621 105'C
E
KSC1008-Y
R621
47
1/4W R605
300Kohm
R607
1/2W
2.7
CC 1/2W -14V 50V 80V
T601
GT601 GT602
R606
D606 EER3435
300Kohm
TH602 TVR10G
BH26-00164B D628 C631
SCK-083 1/2W
UF4004 1000uF
CC
1 1 16
25V BD622
4
C608 R603 1.2UH
2.2nF 56Kohm 2
15
EY604 2W
1 500V D605
EYE2.2
TVR10G
IC601 3 14
BD601
C605 DP904C D603
D627 UF5404
180uF 1.2UH
B UF4007
450V 4 1 4 13
F_B DRAIN
1 D626 UF4007(T)
EY603 2 GND
C609
EYE2.2 2 5 12
3 Vcc 5 100pF
SYNC
D625 31DF4
1KV
6 11
1
EY625
7 10 EYE1.5
1 R631
C630
10ohm
330pF
2W
500V
ZD601 C607
C606
UZ39BSB 100nF
22uF
50V 50V
105'C C610 R604 D604
1nF 10K UF4007 EY608 EY621
50V 3W EYE1.5 EYE1.5
7V
HS601 MO
EY605
BH62-00004B 1
1 1
EYE2.2
EY606 D622
1
C611 EYE2.2 UG2D
1uF
50V
105'C
BD621
1.2UH
B
C621
T602
10nF
BH26-00163A 100V MP
1 EY610 C622
C613 1 5 1000uF
EYE2.2 CLAMP
100nF 16V
63V 2
MP
CN_PFC
SUPLVAL 3 4
R622
R623
100 Q622
3.9K
CN603 1/4W KSC945-Y
C
1/8W
slcon3p
B OFF1
E
D608 R608
1N4148 4.7K
1/8W
12V 12V 6.3V
17" only
R325 R327 R328
15
1K 15
1/4W 1/2W 1/2W
CN321
slcon3p
R326
100
C 1
1/8W
Q321
B
2N3904
2
C
E
3
B Q323
2N3904
Q322
E
E 2N3906
R322
6.2K R323 B
C321
C322
1/8W 10 100nF C
1/8W 10uF
50V
50V
TILT
R321 R324
10K 100K
1/8W 1/8W
9
14V_1 -14V
IC301
HS301
STV9325 BH62-00003B
D302
1 2 3 4 5 6 7
1/8W TVR10G
R241 100
W_PROTECT
R242 100 1/8W
R312
IICCLK C305 C307
C301 1.5
C306 220nF 10NF
470uF
ZD303 220uF 1/2W 50V
R243 100 1/8W 25V 100V
UZ24BH 35V
MP
IICDATA 15:1000uF
15:63V 1uF
105'C D301
1N4002GP
R310
15:1/4W 9.1K 300
HS401
1/2W
L:8.2K 15:10nF
15:24K
15:240
BH63-00124A
V_OUT
R303 R302 C304
12
9.1K 20K C302 8.2nF
1/2W R309 R308
1/8W 15nF 100V
2.2 2.4
100V P
1/4W 1/4W
P
15:3.3nF
MF MF
IC401 H_REF R307
R304 R305 R306 C303 5.6K
15:2.4
STV9118 R335 11K 4.7K 330nF 1/4W
18K
220 MF
1/4W MF 1/2W 1/4W 63V
1/8W
1 L:9.1K 15:1.2K MF MP
32 VFOCUS
HSYNC HS_OUT
15:100nF
15:1.5K
R331 4.7K 1/8W L:5.1K
2
31 VSYNC VS_OUT
IICDATA 15:470
1/8W
R334 100
3
30 IICCLK HUNLOCK V_BLK
C432
29 4
VCC FC1
100nF
63V MP
5
28 C433
BOUT PLL2C
10nF 100V P
6 C434
27
GND C0 820pF 50V MO
7
26 HGND
HOUT
R431
8
25 8.2K
XRAY R0
1/4W C435
9 MF 10nF 100V P
24
EWOUT PLL1F
C436
10 2.2uF
23 C437
VOUT HPOS R432
50V
1uF 2.2K
100V 15:100V 1nF
50V 1/8W
M P 11
22 HVFOCUS R533
VCAP R535 C532
2.7
820 330pF
1/8W 50V 1/4W
12
21 VGND HFLY AFC
R534
100V C438 7V
6.8K
MP 47uF 16V
20 13
VAGC HREF 1/8W B_DRV
H_REF
19 14
VRB COMP
R541
C535
D533
1.5nF 330K
15 1N4148 D532
18 1/8W
VEHT REGI N 100V P 1SS244
15:220K
15:1nF
B_SENSE
16
17 HEHT ISENSE
R542 C534
120K 22nF
R536 15:39K 1/8W 100V P
36K 15:100K
1/4W MF 15:33nF
R537
C537
10K
100nF
50V 1/4W R539 R538
C533
MF 15K R540 12K
220nF
B_SENSE 1/8W 1/4W
2.2K 50V
C536 1/4W MF
MF
1.8nF
100V
17" only
P 12V
15:2.7nF
D414
12V R458
1N4148
15:47K 2.2K
MODE_REG
15:51K Q457 1/8W
R411 R417 C
KSP42
100K 240K
L:68K 15:12K B
1/4W MF 1/8W
S3
MODE_SIZE SIZE_REG
15:3.9K R457
15:180K E
R418 R416 R415 10K
R412 1/8W
1.2K 62K 91K
150K
1/4W 1/4W
1/8W
1/4W MF MF MF
SIZE_ADJ
D411
15:120K Q412
R419
1N4148 KSA733-Y C415
150K
E E 3.3UF
D453
1/4W MF
50V 1N4007GP
EW_OUT
B B
Q411
C411 C C D412
Q413
1uF KSA733-Y
1N4148 2N5551C-Y HS451
50V
C412 SNAME
C
BH62-00024A
330pF
B
50V
1
C413 L411 C458
E C
22nF 120uH
1uF
100V B 2
15:150uH 50V
P Q414
E
14V 14V_1 KTD2058-Y
R420 D413 R421 C414
1.8K 1N4148 8.2K 68nF
1/4W 1/4W 100V
MP 50V
MF MF
C403
15:3.3K 15:15K 15:P.33nF
100nF
100V
P
Q625
KTA1281-Y 12V R406
560
3W
5 MO
C624
R629 D402
100uF
C628 47K 1SS244
25V 7
47uF 1/8W
R401 C402
50V
1K 4.7uF
SHL C627 6
R628 1/2W 100V
1000uF R402
1K 15:680 105'C 5
C629 25V 10
1/2W C
220uF R626 1/4W R404 R405
63V Q624 10K B 120K 15K
H_DRV
105'C KSC945-Y C 1/8W 1/8W
1/2W
E 15:470K
B OFF2 C401 Q401
470nF KSC2383-Y
E 50V
14V 5V
R403
D401 MODEL Q490 R406
IC621 1N4148 1K
1/8W LB17K/L ST2310FX MO 3W 560
KIA7805P
1 3 J6810 MO 3W 360
IN OUT
GND LB15V
ST2001FX MO 3W 560
6.3V 5V_V C626 R630
2
470uF 470
16V 1/4W
D624
UF4004
Q623
KSD1616-Y D623 MULTI Comonent
UF4004
14V_1 12V
IC622
1st 2nd 3th
KA7812AC
1 3
IN OUT
12V UF4004 HER105G
GND
C625
2
100UF
16V UF4007 HER108G
R624
KSD1616-Y STC401
1K
1/8W
12V 8V 1SS244 BAV21
R633
150
D629 FFPF06F150S DTV1500H
1/2W 1N4148
OEM PROJECT
DDC5V 5V
R227
D202
1N4148 75K
1/8W
50V_SENSE
DDC 5V ZD203
R226
UZ15BSA
47K
1/8W
LED
OP201
LTL-10233W
LED 50V SENSER
23
6.3V
R513
1K
1/2W
R511
47K Q511
C
1/8W KSC945-Y
D511
V_MUTE B
1N4148
E
D512
Q512
1N4148
2N6520
E
V_BLK MPRII only
B
C CN501
slcon2p
R311 ZD514
62K
UZ5.1BSB
1/8W R521
V_BLK R515 -150V
120K
15K
1/4W
1/2W R514
D521
DY_V2 CC MF
68Kohm 1N4148
L:22K
1/2W D504
15:36K UF4004 15:43K
CC
V_DY G1
L:24K
C505
2.2uF
250V D522
ZD301 DY_V1 1N4148
1N4762
T501 D523
ZD302
1N4148
UZ39BSB
FSA0357(181A)
17" only 15:FSA0356(182A)
7 8
210V
C521 R525
240K
6 9 56nF
1/8W
100V
15:130K
P
AFC
5 10
4 R558 R557
11
120K 120K
D503 SK561
1/2W 1/2W
TVR10G SSG-102B2
R510 C504
3 12
300Kohm 2.2uF
1/2W 250V C553
100pF
2 13
500V
EY501 1
EYE1.5 1 14
EY503
1
EYE1.5
EY505
12V 50V 1
12V EYE1.5
11 EY506
C501 1
EYE1.5
220uF
63V
R501
R502 EY507 1 17" only
105'C 15:150uH
2.7K 100ohm 2 EYE1.5
L501
1/2W 1W
R561
MO 100uH D501
Q501 1 330ohm
UF1G
KSC945-Y C 2W
HS590
MO
B heat_sink
BH62-00016A D C502
C503
E 1nF
1uF
500V C561
250V
G 1nF
Q590
E R503 S MPS 500V
R504 IRF634B
15:680nF
15:630B BD502
12 22K
B 1.2UH 14
1/4W 1/8W
Q502
C
KSA733-Y
R507
150K
R508 R506 T561
1/2W
1K 0.6ohm
EE 1916(5P)
10 2W
1/8W BH26-00112A
MO
R505 R509 D502
470ohm 470ohm UF4004
BD501
2W 2W
1.2UH MO MO
12V 12V
13
C443 R445
R455 R452 15nF 10
2.2K 2.2K 250V 3W
MP
Q456 1/8W Q455 1/8W MO
C C
KSP42 KSP42
B B
S2 S1
R454 R451
E E
10K 10K
1/8W 1/8W
L:270nF
15:Del 15:370nF
15:150nF
L:200nF
C452 C450 C451
C453
D452 180NF D451 250nF 300nF
L:150nF
100nF
1N4007GP 250V 1N4007GP 250V 250V
250V MPS MPS MPS 15:120nF 15:150nF
MPS
C454 C455
D D D D455
100nF 120nF
Q453 Q452 Q451 TVR10G
250V 250V
IRF630B IRF630B IRF630B
G G G MPS MPS
S S S
R459 C457 C456 R453
R456
1uF 47K
47K 47K 1uF
1/8W 1/8W
50V 1/8W 50V
1 EY406
C404 EYE1.5
4.4NF D405 C405 C406 CN401
D404 BD401
630V slcon4p
GUR460L-5700 2.2nF 2.2nF UF4004
P 1.2UH 1
1.6KV 1.6KV DY_V1
L:5.2nF 1 EY405
15:5.2nF EYE1.5 2 DY_V2
EY441
3 1
DY_H3
T401 EYE1.5
4 DY_H4
EI-1916
R407 6
BH26-00027A BD402
EY442
0.6ohm D407 1
1 1.2UH
2W EYE1.5
FFPF06F150S
MO
15:FFPF04F150S
2
3 Q490
D403
ST2130FX C
EK-04
4 B DY_H4 DY_H3
EY404
D406
E EYE1.5
ERD07-15
R408
22
1/2W
R407
HS490
MO 2W 0.6
BH62-00015A
H-DY
MO 2W 0.6
MO 2W 1.5
S-Correction Table
Freq [Hz] S1 S2 S3 S4
30 ~ 35.99 LOW LOW LOW
1 EY401
36 ~ 39.99
LOW HIGH LOW
EYE2.2
40 ~ 44.99 HIGH LOW LOW
1 EY402
45 ~ 51.99 HIGH LOW LOW
EYE2.2
52 ~ 56.99 HIGH LOW HIGH
1 EY403
57 ~ 61.99 HIGH HIGH LOW
EYE2.2
62 ~ 75.99 HIGH HIGH HIGH
76 ~
11 Schematic Diagrams
50V_SENSE2
SW1
SW601
R611 JPS-1275
R612
10K
ZD204 10
UZ4.7BSA 1/8W 1/2W R613
4.7K
SW2
1/8W
HARD POWER
12V
R522
150K
1/4W
MF
15:39K
V_REG
12V
15:15K
R523
33K
1/8W
ADJ_ACL
R524
1K
1/8W
ACL
SIZE_REG
210V 12V
17" only
R556 R553
270K 240K
1/2W 1/4W
C551
R551
10uF
Q551 100
50V
C KSP44 1/8W
V_FOCUS
B
E
R555
R554 C552
820 20K 1NF
1/4W 50V
1/4W
MO
R441
330ohm
2W
MO
L441
BH27-00132A
(5.4uH)
L:141A(4.4uH)
15:137A(6.1uH)
D441
UF4004
11-1