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MAIN PWB CIRCUIT DIAGRAM (8/8)
S+3.3V DC_POWER_SOCKET_20V/7.5A S+3.3V
IC904
JK901 1 2 3 4 5
50V C941 VIN
OUTPUT
2k2
!
VIN VIN
GND
VIN
F900
C900 100u R904 10k C932 R901 10k 100n 50V 35V
ON/OFF
100n
S900
FEEDBACK
2k2 F902 2k2
!
INV INV R903 10k Q901 R907 100R
IC902
L900
STDBY_ L901 22u STPS745 C903 100u 35V C904 10n 50V D900 C909 100n 16V L902 100uH C908 1000u 16V L911 22u C938 100u 16V +5V
1 2 3
R908 100R
S1 G1 S2 G2
D1A D1 D2A D2
8 7 6 5
+3.3V
F901
22u
1
R900 100k
S1 G1 S2 G2
D1A D1 D2A D2
8
ST_BY
R902 100k
Q900 BC848C
BC848C
4
2 3 4
7 6 5
L910 10u BL_ONOFF_
+5V_PANEL
1
2
3
4
5
PL901
1 2
S907
IC907
BRT_ADJ STDBY_
R929 200k
3 4 5 6
IC900
R912 180R R910 100R R911 S910 +12V 100R
STDBY_NOT
FEEDBACK
S908
OUTPUT
VIN
ON/OFF
8 7 6 5
DRI.COL. SENSE VCC COMP.
SW.COLL. EMITTER CAP. GND
1
3k3 R909
ON/OFF
BRT_ADJ_PWM S+3.3V
C902
100n 50V
S909 VIN
2
C924
1
2
3
GND
VIN
4
3 4
D902 50V 100p C925 56p 50V L903 22u
IC901
5
STDBY_ L904 STPS745 22u C923 L905 100uH 100n 16V C922 1000u 16V +12V
4 3 2
VIN
IC906
FEEDBACK OUTPUT ON/OFF GND
2k2 R913 6k8 R914
R915 56k C926 22u 50V C927 100n 50V
L906 22u C928 10u 50V +33V C920 100u 35V C921 10n 50V D901
1
PL902
1
VIN
2
3
4
5
IC910 L907 VIN 22u L908 22u STPS745 D904 C913 100n 16V C910 100u 35V C911 10n 50V L909 100uH C912 1000u 16V D905 S+2.5V C936 50V 22u C937 R920 470R 1N4148 D906 1N4148 R921 22R CVDD_2.5 C918 C919 16V 100n 50V 22u 16V 100n Q903 BC848C R923 10k R922 10k ST_BY S+3.3V +12V C933 100n 50V 3 IN OUT 2 ADJ 1 R919 91R +8V C934 1000u 16V C935 100n 16V R905 10k
S905
R931 10k C907
100n 50V
IC908
1
R933 100R
S1 G1 S2 G2
D1A D1 D2A D2
8 7 6 5
2 3
S+3.3V +5V_PANEL 10k R927 10k R926 3 IN
IC909
ST_BY
R935 10k
OUT 2 ADJ 1 R916 91R
R934 100R R930 10k Q907 R906 100k BC848C
4
C915
STDBY_ STDBY_NOT R924 10k
100n 16V
Q902 BC548B
Q906 BC848C
C916 50V 22u
Q904 BC848C
C917 R917 91R
VIN VIN R918 3k3
5VSTBY
ST_BY
R925 10k
Q905 BC848C 10k R928
C929 100n 50V
C930 22u 50V BZX79C5V6 D903
MAIN PWB ASS'Y (8/8)
VE-20182789 [LT-17C50BJ] VE-20177930 [LT-17C50BU,LT-17C50BU/Z, LT-17C50SU,LT-17C50SU/Z,LT-17C88SJ]
(No.YA222)2-17
2-18(No.YA222)
R932 10k
16V 100n
MAIN PWB CIRCUIT DIAGRAM (8/8)
S+3.3V DC_POWER_SOCKET_20V/7.5A S+3.3V
IC904
JK901 1 2 3 4 5
50V C941 VIN
OUTPUT
2k2
!
VIN VIN
GND
VIN
F900
C900 100u R904 10k C932 R901 10k 100n 50V 35V
ON/OFF
100n
S900
FEEDBACK
2k2 F902 2k2
!
INV INV R903 10k Q901 R907 100R
IC902
L900
STDBY_ L901 22u STPS745 C903 100u 35V C904 10n 50V D900 C909 100n 16V L902 100uH C908 1000u 16V L911 22u C938 100u 16V +5V
1 2 3
R908 100R
S1 G1 S2 G2
D1A D1 D2A D2
8 7 6 5
+3.3V
F901
22u
1
R900 100k
S1 G1 S2 G2
D1A D1 D2A D2
8
ST_BY
R902 100k
Q900 BC848C
BC848C
4
2 3 4
7 6 5
L910 10u BL_ONOFF_
+5V_PANEL
1
2
3
4
5
PL901
1 2
S907
IC907
BRT_ADJ STDBY_
R929 200k
3 4 5 6
IC900
R912 180R R910 100R R911 S910 +12V 100R
STDBY_NOT
FEEDBACK
S908
OUTPUT
VIN
ON/OFF
8 7 6 5
DRI.COL. SENSE VCC COMP.
SW.COLL. EMITTER CAP. GND
1
3k3 R909
ON/OFF
BRT_ADJ_PWM S+3.3V
C902
100n 50V
S909 VIN
2
C924
1
2
3
GND
VIN
4
3 4
D902 50V 100p C925 56p 50V L903 22u
IC901
5
STDBY_ L904 STPS745 22u C923 L905 100uH 100n 16V C922 1000u 16V +12V
4 3 2
VIN
IC906
FEEDBACK OUTPUT ON/OFF GND
2k2 R913 6k8 R914
R915 56k C926 22u 50V C927 100n 50V
L906 22u C928 10u 50V +33V C920 100u 35V C921 10n 50V D901
1
PL902
1
VIN
2
3
4
5
IC910 L907 VIN 22u L908 22u STPS745 D904 C913 100n 16V C910 100u 35V C911 10n 50V L909 100uH C912 1000u 16V D905 S+2.5V C936 50V 22u C937 R920 470R 1N4148 D906 1N4148 R921 22R CVDD_2.5 C918 C919 16V 100n 50V 22u 16V 100n Q903 BC848C R923 10k R922 10k ST_BY S+3.3V +12V C933 100n 50V 3 IN OUT 2 ADJ 1 R919 91R +8V C934 1000u 16V C935 100n 16V R905 10k
S905
R931 10k C907
100n 50V
IC908
1
R933 100R
S1 G1 S2 G2
D1A D1 D2A D2
8 7 6 5
2 3
S+3.3V +5V_PANEL 10k R927 10k R926 3 IN
IC909
ST_BY
R935 10k
OUT 2 ADJ 1 R916 91R
R934 100R R930 10k Q907 R906 100k BC848C
4
C915
STDBY_ STDBY_NOT R924 10k
100n 16V
Q902 BC548B
Q906 BC848C
C916 50V 22u
Q904 BC848C
C917 R917 91R
VIN VIN R918 3k3
5VSTBY
ST_BY
R925 10k
Q905 BC848C 10k R928
C929 100n 50V
C930 22u 50V BZX79C5V6 D903
MAIN PWB ASS'Y (8/8)
VE-20182789 [LT-17C50BJ] VE-20177930 [LT-17C50BU,LT-17C50BU/Z, LT-17C50SU,LT-17C50SU/Z,LT-17C88SJ]
(No.YA222)2-17
2-18(No.YA222)
R932 10k
16V 100n
SIDE CONTROL PWB CIRCUIT DIAGRAM
AV JACK PWB CIRCUIT DIAGRAM
JK107 WHITE_FAV
JK105 WHITE_FAV A
JK106 1P_RED_FAV A
JK102 WHITE_FAV A
JK103 1P_RED_FAV A
JK101 YELLOW_FAV A
2
PL2
A 2 3 K 2 1 A 1 D5 12V 2 3 K 2
4
JK104 4P 1 A 1 D2 5V1
1 3
1
2
3
4
1 A 1 D6 12V K 2
2 3
1 A 1 D7 12V
MENU
TSW-VERTICAL SW15 TSW-VERTICAL SW14 SW 5
P+
TSW-VERTICAL SW13 SW 4
PTSW-VERTICAL SW12 SW 3
VOL+
TSW-VERTICAL SW11 SW 2
VOLSW 1
A 1
D4 12V
2 3 K 2
1 A 1 D8 12V K 2
2 3
1 A 1 D1 5V1 K 2
2 3
K 2
A 1
D3 5V1
K 2
1
1
1
1
S105
S106
S104
S103
1
S102
1
S100
1
5.5MHz_TRAP Z107
5.5MHz_TRAP Z105
5.5MHz_TRAP Z106
5.5MHz_TRAP Z101
5.5MHz_TRAP Z102
3 1 1u
L102
3
5.5MHz_TRAP Z100
5.5MHz_TRAP Z104
SW17 TSW-VERTICAL
SW19 TSW-VERTICAL
POWER
R114 22k
R112 22k
R110 22k
R104 22k
R106 22k
SW18
TV/AV
SW7
C102
470R R113 470R R111 470R R115 470R R105 470R R107
100p 50V LINE_OUT_SUB
100p 50V LINE_OUT_L
100p 50V LINE_OUT_R
100p 50V FRONT_AUDIO_L
100p 50V FRONT_AUDIO_R FRONT_VIDEO
FRONT_AUDIO_R FRONT_AUDIO_L
SVHS_Y
C108
C107
C106
C104
C105
R108 33R
12
11
10
9
8
7
6
5
4
3
2
LED PWB CIRCUIT DIAGRAM
HEADPHONE JACK PWB CIRCUIT DIAGRAM
HP_R HP_L
L100
1
PL103
PL102
VE-20174624
12
11
10
VE-20177847
R109 33R
SIDE CONTROL PWB ASS'Y
AV JACK PWB ASS'Y
9
8
7
6
5
4
3
2
1
LINE_OUT_SUB
SVHS_C
SVHS_Y
FRONT_VIDEO
LINE_OUT_R
LINE_OUT_L
SVHS_C
100p 50V
5.5MHz_TRAP Z103
R5 270R
R4 470R
R3 680R
R2 1k5
R1 3k9
2
C103
100p 50V
3
L101
22u
L103
2
2
2
2
3
3
3
3
2
3
2
2
1u
GND
1
VS V0
C1 22u 50V
IC1
PL1
R1 100R
2
1 2 3
R100 150R
VE-20177874
50V 4n7 HEAD_PHONE
50V 4n7
LED_RED/GREEN_3P D2
4
C808
HP_R HP_L
C100 10k R102
C101 10k R103
5
R
G
LED PWB ASS'Y
VE-20174629
HEAD_PHONE
100n 16V
9
8
7
PL100
6 5
3 2
6
5
4
3
2
1
4
1
PHJACK JK100
(No.YA222)2-19
2-20(No.YA222)
R101 150R
HEADPHONE JACK PWB ASS'Y
3
22u
PATTERN DIAGRAMS
MAIN PWB PATTERN [SOLDER SIDE]
TOP
(No.YA222)2-21
2-22(No.YA222)