Samsung LTP227W Service Manual page 67

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11-5 Schematic Diagram
14V
TP601
SUPLVAL
1
TP623
9
1 BD601
8 C602 C603 C604
BLM41P600S
470uF 100nF 100nF C605
7 25V 100uF
25V
6
5
4
3 TP604 1
L604
2
L605 ADJ_BRIGHT
SW_INVERTER
A
1
slcon9p
TP605
CN601
C618 C616 C619
100nF
100nF 10uF
BD603
BLM41P600S
BD605
BLM41P600S
BD607
BLM41P600S
BD611
BLM41P600S
A3.3V
C648
10nF
BD612
BLM41P600S
R624
1K
TP627
SW_POWER_1
SUPLVAL
C
1
B
SW_POWER
R628
E
10K Q601
2SC2412K-Q
ON : HIGH
OFF : LOW
IC611
MC34063ACD
14V
R639
1
8
0.33 H A D607
1W MBRM130LT3
2
7
G B
L611
3
C682 6 100uH
F C
100uF C681
C683 4 0.12nF
25V 5
100nF E D
R633
R634
2K
1.2K
1/16W
1/16W
IC612
MC34063ACD
14V
R635
1
8
0.33 H A
1W
2
7
G B
L612
6 3
100uH
F C C685
C686 5 4 0.12nF
100uF E D C687
25V 82uF
16V
R636 D608
R9196
1.2K MBRM130LT3
3.6K
1/16W 1/16W
STAND_BY POWER
LTP227W
SW_POWER_1
5V
TP602 TP628
C601 SUPLVAL SUPLVAL
10nF L602
1 1
IC601 22uH L601
MP1583DN N
R601
IC602
ON : HIGH 12K
1 8 MIC3172
BS SS
2 7 OFF : LOW SGND 8
IN EN 1
C606 C607 3 6 PGND1
2 COMP 7
SW COMP V_SW
100uF 100nF 4 5 3 6
GND FB FB
25V 50V PGND2
4 SYNC 5
MO C609 C608 R604 V_IN
3A
82uF 100nF 1K
16V 1/16W
C611 C612
D602
SS24 1uF 100UF
R607
C615
3.9K
180pF
C617
3.3nF
SW_POWER_1
3.3V
TP607 TP631
C621 SUPLVAL SUPLVAL
10nF L606
1 1
IC603 22uH
MP1583DN
R609
1 8 6.2K
BS SS ON : HIGH
2 7
IN EN OFF : LOW
C622 C623 3 6
SW COMP
100uF 100nF
4 5
GND FB
25V 50V
MO C625 C624
3A
120uF 100nF
6.3V 16V
MO
D603
SS24
R611
C627
3.6K
180pF
C628
3.3nF
SW_POWER_1
2.5V
TP609 TP632
C629
SUPLVAL SUPLVAL
10nF L607
1 1
IC604 22uH
MP1410ES R613
1 8 ON : HIGH 1.5K
BS N_C
2 7 OFF : LOW
IN EN
C631 C632 3 6
SW COMP
100uF 100nF 4 5
GND FB
25V 50V
MO C635 C633
2A
120uF 100nF
6.3V 16V
MO
D604
SS24
R614
C636
180pF 1.5K
C637
3.3nF
A1.8V D1.8V
TP633 TP634 TP612
C638 SUPLVAL SUPLVAL SUPLVAL
10nF L608
1 1 1
TP635
IC605 22uH
NC : ON BD609 SUPLVAL
MP1583DN
TP622 R616
ON : HIGH BLM41P600S
1 8 1 4.3K
BS SS R638 0
OFF : LOW
2 7
IN EN
C639 C641 3 6
SW COMP
100uF 100nF 4 5
GND FB
25V 50V C645 C642 C643 C693
MO 120uF 100nF 100uF 100nF
3A
6.3V 16V 16V
MO
D605
SS24
C646 R618
9.1K
180pF
C647
3.3nF
9V
R619
24K
R621
TP624
IC606
3.3K
1 AP1501-K5A 1/16W
6
4
GND2 TP625 TP636
C651 FB
VIN L609 SUPLVAL
100uF 1 2 1
OUTPUT
25V SD
GND1
22uH
C649 5 3 C652 R622
4.7K
100nF D606 82
16
SS24
A1.8V
TP615 TP637 DNI1.8V
ON : LOW SUPLVAL SUPLVAL
OFF : HIGH
TP616 1 1
SUPLVAL IC607
R623
SI9933ADY-T1 C653 C654
10K 1 100nF 10uF
1 8
S1 D1
C656 16V 16V
2 G1 D1_1 7
100uF R625 C658 MO
3 S2 D2 6
25V C657 82K 1uF
4 D2_1 5
G2
100nF 50V R626
10K
C659
R627
1uF
100K
8V
IC608
R629 TP626 TP638
BA178M08FP
10K C R631 1 1
1 IN OUT 3
1/16W
B Q602 0 GND
2SC2412K-Q C695
2 C663 C664
100nF
E 100nF 100uF
C
Q603
B
2SC2412K-Q
R632
E 8V_3D
10K
IC609
TP618
TP639
BA178M08FP
1 1
1 IN OUT 3
GND
2
C666 C667
100uF 100nF
16.000 16V
A3.3V
TP619
TP641
C684 C696
120uF 100nF
6.3V
A5V
TP642
TP621
C697
100nF
33V
TP603
SUPLVAL
1
L603
TP629 R602
N
D601 27K
SUPLVAL
SS24 1/16W
1
R603
3.9K
1/16W
C613 C614
R606
100UF 100UF 1.3K
1/16W
R752
10K Q702
1/16W KSA1182
3002_MUTE
R_IN
L_IN
R760 R761
62Kohm 62Kohm
SOUND_AMP
Thick Pattern
3420G => 3410G-QA-C12
15
1K
PC_AUDIO_L R741
1K
R740
PC_AUDIO_R
VIDEO_L R739
1K
VIDEO_R
R738 1K
R737 1K
COMP1_L
R736 1K
COMP1_R
R735 1K
COMP2_L
R734 1K
COMP2_R
15
SIF
5V
SIF
L707
3.3UH
C760
47uF
16V
CN701 17
slcon5p
- +
R
1
TP701
1
TP702
L708
INSTPAR
C776
9V 470nF
1
U15
SOUND_AMP
C701 C704
C703 L701~L704 is Changed 33uH
9V
100nF 100nF
82
16
L701 L702
C774 R753
SOUND_AMP
R702 100K
100nF
120K
C705
C702 C706 Q703
10nF
100nF 10nF 2SC2412K-Q TP713
C
1 3002_MUTE
B
E R9211
R750
0 R703 E
B
0
C
SOUND_AMP
SOUND_AMP
C714 1uF
C708 C707 9V
1uF 1uF R704 0
C709 1 36
SDZ VCLAMPR
1uF
2 IC701 35
RINN MODE_OUT
3 TPA3002D2PHP 34
RINP MODE
4 33 C716
V2P5 AVCC
5 32 100nF 10uF
LINP VAROUTR
C711 6 31 100nF C715 16.000
LINN VAROUTL
1uF C710 1uF 7 30 C717
AVDDREF AGND_2
R762 0 8 29 220pF
VREF AVDD
C718
R763 47K 9 28
VARDIFF COSC
R764 47K 10 27
VARMAX ROSC
11 26
R765 12K VOL AGND_1 120K
12 25 R705
REFGND VCLAMPL
R768 R706
R767
0 0 C719
27K
1uF SOUND_AMP
R707
R769
0 R708 0
0
SOUND_AMP
C722 C723 C721
C720
10nF
10nF 100nF 100nF
9V L703 L704
C724
C725
100nF
100nF
5V 8V
C726
10uF C775
470nF
17
R711
SOUND_AMP
18K
SOUND_AMP
1/16W
Q701
KSC1623-Y
C
B
D701
L709
E QZX363C5V6
INSTPAR
TP704
TP703
L
IC702
CN702
16 TDA7050T/N3
slcon4p
C730
100nF
C731
47uF
1
R_IN TP705
SUPLVAL SUPLVAL
D703 D704
TP706
1 RLZ8.2 RLZ8.2
L_IN
8V
R718
L705 10K
3.3UH
R719
C742 10K
100uF R724 R725 R720 R721
4.7K
4.7K 20K 20K
C743 1/16W
1/16W
1.5nF
D705 C736
BZT52-C15
C744 1nF C738 C739
470pF
1uF 1uF
C745 C737
10uF 1nF
R722 R723
100 100
C746
10uF
C740
4.7nF
NC_10
DACA_R
NC_11
C741
NC_6
4.7nF
AHVSS_1
C747 NC_5
100nF IC703
AHVSS_2
16V MO
RESETQ
AGNDC R729
C748
MSP3420G-QA-C12 NC_4 100
4.7uF
25V
NC_12 C772
C773
NC_3
C749 4.7uF 10uF 100nF
SC4_IN_L 16V
16V MO
NC_2
C750 4.7uF
5V
SC4_IN_R
12S_DA_IN2
ASG_1
DVSS_3 R728
C751 4.7uF
SC3_IN_L 4.7K
DVSS_2 L706
C752 4.7uF
SC3_IN_R 3.3UH
DVSS_1
ASG_2
DVSUP_3
C753 4.7uF
SC2_IN_L
C754 4.7uF DVSUP_2
D706
SC2_IN_R RLZ8.2
DVSUP_1
C769
C770
ASG_3
100nF
C755 4.7uF ADR_CL 10uF
SC1_IN_L
ADR_WS
C756 4.7uF
SC1_IN_R
ADR_DA
VREFTOP
12S_DA_IN1
C757 C758 NC_13
10uF 100nF 12S_DA_OUT
R730
MONO_IN
12S_WS
1K
AVSS_1
12S_CL TP711
AVSS_2 R731 10
1
12C_DA SDA3
NC_14 R732 10
12C_CL SCL3
1
NC_15
NC_1 TP712
C766
0.056nF X701
50V HC-49/SM5H_18R432
C765 MO
C762 18.432MHz
C759 0.056nF
50V 1 2
0.056nF 470pF MO R733
C767 C768
50V C763 100
3pF 3pF
MO 1.5nF 1/16W
C764
22uF
SW_7050
1
C761
TP709
47nF
D707
RLZ8.2
BD701
BD702
BD703
BD704
SOUND_AMP
11 Schematic Diagrams
3
D702
MMBD4148SE
1 2
SW_7050
C727
100uF C728 C729
100uF 100pF
16V
16V
C734
R712
100uF
75 TP707
HP_R 1
HP_R
TP708
1
HP_L
HP_L
R713
C735
R717 R716 75
4.7 4.7 100uF
R714 R715
C732 C733
1K 1K
330nF 330nF
RESET_AUDIO
11-9