JVC LT-26DY8ZG Service Manual page 48

POWER PWB CIRCUIT DIAGRAM SHEET 10
+24V
BL_ON/OFF
Q835
BC848B
Q834
BC848B
!
L805
TRF_PFC_SAFE_PASIF_1A_50mH_150W_TFT
4 2
10 9 8 7 6 5 3 1
!
R701
VAR-510V
D800
GBU4M
VSTR2
!
C800
VSTR1
2n2
4kV
2n2
! C803
4kV
PL800
POWER CORD
VSTR2 D833 VSTR Vcc_12V
R983
150k
BA159
VSTR1 D832 R913 R914 R915
1M 1M 1M
BA159
V CC2
R921
1k
R918
D850
BC858B
TL431SAMF2 10k
Q822
R944
47k
FB
R920
47k
Q831
Q820
BC848B
BC848B
4kV
2n2
+400V
C900
4kV
2n2
!
C802
! R843 4M7
DRAIN
R800 R802 R804
ACINFO 1M 1M 1M AC1
1M 1M 1M
R803 R806 R805
+400V
+400V
250V
!
C801
DRAIN
150n
ACINFO D901
AC1
C15V
VCC1
VSTR 6 VSTR
1N4148 BA159
D902 D806
NC 5
FB
!
C903
C895
33u
50V
VFB 4
150n
250V
VCC 3
VAR-510V VCC1
! R801
GND 2
DRAIN 1
DRAIN
IC080
+12V
1S 1 D1A 8
2G 1 D1 7
IRF7314
3S 2 D2A 6
R813
10R 4G 2 D2 5
ST_BY_INV
R811
Q800
10k
BC848B
C809
ST_BY_INV
50V +12V
100n
R900 D904 D907
Q833
4k7 +24V
BC848B
C6V8_SOD123 C2V7_SOD123
(No.YA567<Rev.001>)2-25
TR803
REG PWB
TRF_SMPS_SAFE_EE5154_26_32 PL100
8 9
SHEET 13
7 10
PL801
6 11
2 1
5 12 4 3
6 5
Vcc_24V
8 7 Vcc_24V
4 13
10 9
12 11
3 14
14 13
2 15 16 15
1 16
!
Q801
MTP6N60E/SSP7N60A
TR802
7
Q802
MTP6N60E/SSP7N60A
8
SNB
1 10
!
IC800
4 1
FB
2 11
3 2
D809
TCET110G
4 9 BYV27-200
R999
4R7
5 12 MTP6N60E/SSP7N60A Vcc_12V
Q803
D811
6 15
R823
4k7 1N4148 TL431SAMF2
Vcc_24V D999
3 13
R821 C909
Q805
47k 470n
BC848B
16V
14
ST_BY Q806
BC848B
16
Vcc_24V
Q839
BC848B
S807
S808
IC081
Vcc_24V 1S 1 D1A 8
2G 1 D1 7
IRF7314
3S 2 D2A 6
R820 R825
1k 10R 4G 2 D2 5
R822
Q804
10k
BC848B
C810
IC082
50V
100n
R901 Vcc_24V
Q841
4k7 1S 1 D1A 8
BC848B
R987
10R 2G 1 D1 7
IRF7314
3S 2 D2A 6
R986
10R 4G 2 D2 5
2-26(No.YA567<Rev.001>)
INVERTER UNIT
+24V
L819
+3.3VSTBY
330R_100MHZ_3A
S812
S813
A/D_DIM_SEL
L820
+5VSTBY
330R_100MHZ_3A D_DIM
A_DIM
BL_ON/OFF
BC858B
Q808 BL_ON/OFF
A_DIM
D_DIM
A/D_DIM_SEL
L804
Vcc_24V
ST_BY
+33V
S831
Vcc_12V
+12V
SIDE CONTROL
PL813
R976 1
PWB
1
100R
PL823
PL2
2
C824 SHEET 11
C822
100n
63V
S809
2n2
50V
R832 S810
30k Vcc_24V
IC826
+5VSTBY 1D 1 D4 6
NTGS3446
R946 D910 2D 2 D3 5
10k Vcc_12V
3G S 4
B5V1_SOD123
Q810
BC848B
S814
S815
+3.3VSTBY IC824
R990
BC858B
10k
Q840
1D 1
2D 2 NTGS3446
R838
100R 3G
R991
ST_BY_INV
10k
S811
R834
ST_BY Q807
47k
BC848B
+24V
150u
C914
L818 L806 D817
R777
+12V 22R
150u
1N4148
33n
Q836
BC337 50V
+24V
POWER PWB ASS'Y
VE-20351341
MAIN PWB(8/8)
PL001
SHEET 8
PL806
1
2
3
PL822
4
+24V
1 1
5
2 1 2
+5V
6
3 2
7
4 3
8
VCC_3V3_ON
5 4
9
6 5
MAIN PWB(8/8)
10
7 6 PL002
11
SHEET 8
8 7
12
9 8
10 9
+3.3VSTBY 10
PL807
1 11
2 12
+5VSTBY
3
4
PL808 PL811
+24V
5 1 1
+12V
6 2 2 DIGITAL TUNER PWB
PL501
7 3 3
8 4 4
9
10
MAIN PWB(8/8)
PL003
SHEET 8
+5V
D4 6
D3 5
S 4 VCC_3V3_ON
R842 R845
4R7 1R +33V
C834
3u3
50V
17pw22-4_1130_1/1_0.0