Schematic Diagram - Lcd Board (2/4) - Sony MV-900SDS Service Manual

6-14. SCHEMATIC DIAGRAM – LCD Board (2/4) –
(2/4)
A1
F850 L850
1A 100µH
32V
C850 C851 C852
100 47 100
25V 25V 25V
TFT-ON
DIMMER
L605
10µH
A2
A3
A4
(Page 32)
A5
A6
A7
(Page 34)
MV-900SDS
• See page 39 for Waveforms. • See page 41 for IC Block Diagram. • See page 47 for IC Pin Function Description.
R858
47k
Q854
2SA1576A
R857
47k
Q853,854
Q853 B+ SWITCH
2SC4081
R855 R856
22k 100k
R662 R660 R659
0 2.2k 10k
D602
1SV231
RV601
47k
C660
C610 C659 R661 C658 C657 C654
22 TP602
0.15 0.15 2.2k 0.1 1000p 0.1
35V
L603
10µH
L602
10µH
R633 L604
470k 1.8µH
C604
C605 C606 R643
47
0.1 56p 220
16V
C607 L607
4.7 0
R635 100
R634
27k
R637 100
R638 100
R639 100
L601 L606
10µH 0
C608
C609
47
0.1
16V
R640
R641 22k
22k
Q601
2SC4081
INVERTER
R642
2.2k
S
R859 L851 R871
2.2k Q856 10µH 1.5k
CPH6316
R860 R874
220 22k
Q855
2SC4081
R863
220
C857
100p
Q859
2SA1576A
R861
Q855,856,859
220 C859
SWITCHING 100
25V
REGULATOR
C858
100p
C860
D851 R877 R876
100
RLS245 10k 22k
25V
TP601
R882 R884
4.7k 7.5k
C652
0.1 R883
10k
C653 R658 R657 C883
560p 1M 68k R891 0.1
12k
PHASE
R892
CONPARATOR 10k
IC602
NJU7071V C885 1000p
R655
R893 10k
22k
R653
R651 47k
68k
R652 C651 R654
2.2k 0.1 4.7k
C650
1000
10V
R625
47k
R624 FL603 FL602 FL601 R627
100 100
R621 100
VCO0 STH2
R620 100
VSS STH1
RST QH(ZOOMC)
R619 100
HDOT1 OEH
R618 100
WH(UONS) STV1
R617 100
HPOS4 OEV1
LCD CONTROLLER R616 100
HPOS3 OEV2
IC601
R615 100
MN5814
HPOS2 OEV3
R614 100
HPOS1 CPV
NP1 INTEXT
VDD POL
R613
VSS UD
4.7k
R611
22k
Q603
R610 R612 2SC4081
100 22k
INVERTER
ZOOM
(Page 35)
33 33
L852
100µH
R864 R865 R866
3k 3k 3k
C863
0.1 100V
R878
1k
R875 Q860
10k 2SA1576A
C865
8200p
Q860,861
100V
DIMMER
Q861
R872
2SC4081
18k
Q857 Q858
2SC4672 2SC4672
R873
22k
Q857,858
OSC
R885 R886 D853
22k 22k RLS4148
C880 0.1
R889
33k
1IN+ 2IN+
C884 0.1
1IN- 2IN-
R890
REF
12k FEDBCK
OUT-
DTC
CTRL
CT VCC
C886
RT C2
0.1
GND E2
C1 E1
IC850
POWER CONTROL
TL594
STH2
R663
0
STH1
OEH
STV1
OEV1
OEV2
OEV3
CPV
UD2
MV-900SDS
T850
INVERTER
TRANSFORMER TP853
CN850
2P
BACK LIGHT
UNIT
D852
DAN217
TP854
C864
1