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Hitachi 26LD6600B Service Manual page 49

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26LD6600, 32LD6600, 37LD6600, 26LD6600A, 32LD6600A, 37LD6600A, 32LD6600B
TR806
SMPS-RESONANT_PFC
PRI
6
+400V
R819
R818
N1
330k
330k
1
D800
2
3
4
5
8
GBU4M
C890
1u
450V
C912
L802
2n2
210u
50V
C802
1u
450V
IC802
1
2
C883
C869
4
3
R981
1u
1u
1 S1
D1A
8
TR802
16V
16V
1M
2X12m
R982
1M
1M
2 G1
D1
7
R912
IRF7314
1M
C800
R940
3 S2
D2A
6
150n
4 G2
D2
5
250V
C873
2n2
R914
4kV
L813
D832
1M
R913
1M
1
2
1m9
BA159_SMD
4
3
VCC1
R921
TR801
1k
2X12m
R918
D850
BC858B
10k
Q822
TL431SAMF2
R801
VAR-510V
R944
47k
F800
2
3.15A
R920
47k
SW_OFF2
1
PL809
VF_MAIN
Q820
BC848B
+400V
Opto
C856
4
EN/UV
D
1n
50V
3 S2
NC
TNY266
2 S1
S3
VF_MAIN
BZT55C5V6
R880
1k5
1 BP
S4
D862
C801
C892
33u
10u
IC806
50V
50V
R962
+12SV
6k8
1N4148
+5SV
D853
C908
1u
16V
R951
R950
8k2
1k8
+400V
VCC2
R922
10k
Q823
D838
BC548C
TL431SAMF2
R924
6k8
SEC
9
N2
7
R847
10
11
12
10k
+400V
D831
BA159_SMD
IC807
R897
47k
SW_OFF
C889
C888
470n
470n
1 INV.IN
VREF
16
50V
50V
2 N.I.IN
+VI
15
D824
3 SYNC
OUT_B
14
STPS745
C819
220u
4
4 OSC.OUT
VC
13
450V
R837
Q803
150R
3
5 CT
GND
12
MTP6N60E/SSP7N60A
R823
2
6 RT
OUT_A
11
15R
1
7 DISCH
SHUTD
10
R836
PL808
12k
8 SS
COMP .
9
SG2525A
Freq
PFC_OFF
Q837
BSH103
R970
VCC2
47k
VCC1
Q807
R968
BC848B
1k
SW_OFF
Q818
D805
ON/OFF
VFB
BC848B
R910
1k
47k
R974
R893
1N4148
Q808
10k
BC848B
BC848B
R850
Q835
100k
BC848B
Q838
BC848B
SW_OFF2
C813
100R
C859
R889
2n2
220p
4kV
100R
1kV
R888
TR803
G00143A
L804
C810
6
10n
5
22u
630V
7
IC825
4
C818
C857
STPS5L25B
8
4700u
4700u
3
25V
6V3
6V3
9
2
10
1
5
+12V_2
6
1kV
220p
7
100R
R890
C815
8
D823
BA159
C817
IC801
220u
25V
Opto
4
1
R882
3
2
10k
C862
Q802
TCET110G
100n
R892
BC848B
D851
63V
TL431SAMF2
D842
56k
10k
1N4148
R879
+3.3VSTBY
R947
1k
1N4148
IC827
3k3
27R
R883
R884
Q833
C907
10k
+24V
C906
BC848B
12V
R965
1u
1u
BC848B
16V
D854
16V
Q831
D847
R824
A
K
Q834
3k3
1
2
+5V
BC848B
BZT55C3V9
IC811
IC826
R838
ON/OFF
4
1
3k3
+12V_2
3
2
1
D1
TCET110G
2
D2
Q805
BC848B
3
G
NTGS3446
10k
R833
+3.3VSTBY
1
D1
S800
2
D2
R846
100R
R828
3
G
Q804
ST_BY
47k
NTGS3446
BC848B
Q806
R986
BC848B
+3.3VSTBY
3k3
BC848B
Q843
+5V
R987
10k
R988
3k3
RESONANT MODE TFT POWER SUPPLY
TRF_SAFE_TFT_RES
8
5VREF
7
VFB
R961
10R
+400V
TR804
G00137D
6
Q813
6
1
8
MTP6N60E/SSP7N60A
C836
2
5
C896
7
3
2n2
R860
100n
50V
10R
63V
5
4
Q839
BC558B
R979
1k5
4
D812
C899
2n2
C897
50V
2n2
1N4148
3
50V
MTP6N60E/SSP7N60A
2
Q814
R852
R861
5VREF
10k
10R
R978
Q840
1k5
R856
1
4k7
5VREF
C900
2n2
BC558B
50V
D813
BC858B
D826
R857
Q81 1
A
K
12k
R972
1N4148
1
2
BZT55C3V9
1k
1N4148
R863
D857
33k
D811
R866
10k
Q810
C845
R868
1N4148
6k2
D814
100n
25V
IC809
R870
Freq
5k1
4
1
3
2
TCET110G
+3.3VSTBY
C860
C830
C847
2200u
100n
6V3
16V
2n2
4kV
R960
4M7
+5VSTBY
C838
10u
50V
D4
6
D3
5
S
4
TR807
S801
A
26V
1
10
D4
6
16V
NC
3
9
D3
5
S
4
VCC_3V3_ON
B
GND
2
8
D840
+2.5V
IC824
BA159
D841
C
3V3
4
7
BA159
AC_GND
5V
5
6
SMPS_ MINIDVB_ SINGLE_RANGE
45
TR805
Q829
Q828
BU2508AF
MTP3N60E
9
MTP6N60E/SSP7N60A
Q815
10
2u7_RESONANT
+24V
L810
11
Q816
+24V
BA159_SMD
R878
MTP6N60E/SSP7N60A
+33V
12
D820
10k
13
Q827
MTP6N60E/SSP7N60A
14
L811
+12V
+12SV
15
F801
FUSE_SMD_7A/32VDC_1206
D845
Q832
STP20NE06LFP
F802
UF5402
+5V
16
FUSE_SMD_7A/32VDC_1206
D846
+5WOREG
+24V
UF5402
D852
TL431SAMF2
+5SV
R985
+24V
2k2
2k2
R958
S806
Q842
F803
STP20NE06LFP
S805
+24V
+5V
FUSE_SMD_7A/32VDC_1206
D864
A/D_DIM_SEL
D856
BZT55C3V9
D_DIM
1N4148
R967
1k
+5WOREG
A_DIM
1N4148
+12V
BL_ON/OFF
D855
BL_ON/OFF
BC858B
A_DIM
Q841
D_DIM
R874
47R
1k
R873
C849
A/D_DIM_SEL
2n2
D819
50V
+24V
30k
TL431SAMF2
R876
ST_BY
+33V
+12V
PL807
+2.5V
1
2
+33V
3
+12V
+12V
4
5
6
+5V
VCC_3V3_ON
7
+5V
VCC_3V3_ON
PL806
PL810
1
1
+5VSTBY
2
2
3
3
+3.3VSTBY
4
4
5
5
6
6
7
PL801
1
2
3
4
5
6
7
8
9
10
PL802
1
2
3
4
5
6
7
8
9
10
11
12
PL803
1
2
3
4
5
6
7
8
9
10
PL804
1
2
3
4
PL805
1
2
3
4
5
6
7
8
9
10
11
12

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