Sony MV-900SDS - Dream System 3, Service Manual

Page: 33 / 100

MV-900SDS
33 33
MV-900SDS
6-14. SCHEMATIC DIAGRAM – LCD Board (2/4) – •
See page 39 for Waveforms.
•
See page 41 for IC Block Diagram.
•
See page 47 for IC Pin Function Description.
(Page 32)
(Page 34) (Page 35)
IC601
Q601
R640
R641
R642
R605 R606 R607 R608
R611
R612
Q603
R613
R614
R615
R616
R617
R618
R619
R620
R621
R624
R631 R632
L602
R633
L601
L604
R635
R637
R638
R639
R643
C604
C605 C606
C608
C609
L603
R652 C651
R651
R653
R655
C653
C652
R657
C654
R659
C657
D602
C658
R660
C659 C610
C883
C884
C885
R882
R883
R884 R885 R886 D853
R889
R890
R891
R892
R893
CN850
C864
C850 C851 C852
R856
R858
R860
C857
C858
Q855
Q859
R863
D851 R876 R877
Q860
L852
Q857 Q858
R868 R869 R870 D852
C886
R864 R865 R866
R878
R872
R873
R658
C880
R662 L605
R654
Q854
Q853
R855
R663
R857
L851
Q856
C860
Q861
R875
R874
RV601
TP602
IC602
TP854
TP853
C859
T850
R861
L850
C863
TP601
R859
IC850
R871
C865
R625
R634
C607
D601
L607
L606
F850
R661
C650
R630
R627
R610
R609 R601 R602 R603 R604
C660
FL603 FL602 FL601
MN5814
2SC4081
22k
22k
2.2k
100 100 100 100
22k
22k
2SC4081
4.7k
100
100
100
100
100
100
100
100
100
100 100
470k
100
100
100
100
220
47
16V
0.1 56p
47
16V
0.1
2.2k 0.1
68k
47k
22k
560p
0.1
68k
0.1
10k
1000p
1SV231
0.1
2.2k
0.15 0.15
0.1
0.1
1000p
4.7k
10k
7.5k 22k 22k RLS4148
33k
12k
12k
10k
10k
2P
1
100
25V 47
25V
100
25V
100k
47k
220
100p
100p
2SC4081
2SA1576A
220
RLS245 22k 10k
2SA1576A
2SC4672 2SC4672
3k 3k 3k
DAN217
0.1
3k 3k 3k
1k
18k
22k
1M
0.1
0
4.7k
2SA1576A
2SC4081
22k
0
47k
CPH6316
100
25V
2SC4081
10k
22k
47k
NJU7071V
100
25V
220
0.1 100V
2.2k
TL594
1.5k
8200p
100V
47k
27k
4.7
RB501V-40TE
0
0
1A
32V
2.2k
1000
10V
100
100
100
100 100 100 100 100
22
35V
A1
A2
A3
A4
A5
A6
A7
D1 D2 E1 E2 E3 E4
TFT-ON
DIMMER
CPV
OEV1
OEV2
OEV3
STV1
OEH
STH1
STH2
C
P
H
1
CP
H
2
C
PH
3
R
L
S
TV
2
LR U
D
P
O
L
ZOOM
JU
S
T
M
O
D
E1
M
O
D
E
2
V
D
H
D
UD2
2IN+
2IN-
REF
VCC
C2
E2
E1
CTRL
OUT-
1IN+
1IN-
FEDBCK
DTC
CT
RT
GND
C1
IN
1
V
S
S
N
C
V
D
D
IN
2
V
C
O
1
V
D
D
Q
V
D
Z
M
S
E
L
P
D
P
O
S
S
E
T
J
U
S
T
H
D
O
T
2
C
P
H
1
R
L
C
P
H
2
S
T
V
2
C
P
H
3
STH2
STH1
QH(ZOOMC)
OEH
STV1
OEV1
OEV2
OEV3
CPV
INTEXT
POL
UD
VCO0
VSS
RST
HDOT1
WH(UONS)
HPOS4
HPOS3
HPOS2
HPOS1
NP1
VDD
VSS
S
Y
N
C
IN
H
S
Y
N
C
IN
C
P
H
S
E
L
(S
ID
E
2
)
Q
H
S
E
L
(S
ID
E
1
)
V
D
B
IN
H
O
U
T
V
O
U
T
B
L
A
C
K
V
P
O
S
3
V
P
O
S
2
V
P
O
S
1
(Z
O
O
M
)
L
T
B
O
X
(2/4)
INVERTER
LCD CONTROLLER
INVERTER
CONPARATOR
PHASE
POWER CONTROL
Q857,858
OSC
INVERTER
TRANSFORMER
Q860,861
DIMMER
S
Q855,856,859
SWITCHING
REGULATOR
Q853,854
B+ SWITCH
BACK LIGHT
UNIT
100 µ H
10
µ
H
10
µ
H
10
µ
H
1.8
µ
H
10
µ
H
100
µ
H
10 µ H