Sony FD Mavica MVC-FD75, Service Manual

Page: 27 / 90

MVC-FD75
20
R OUT
22
G OUT
24
B OUT
41
COM OUT
1 BRIGHT
PK-59 BOARD (3/3)
42
44
40
CN603
(3/3)
4 BRT R
8 V COM
5 BRT B
6 CONT
BLACK IN FRP COM FRP
9 RGB AMP
10 COM ADJ
18 BRT TST
IC901
9 WIDOV
LCD TIMING GENERATOR
(SEE PAGE 4-35)
IC851
DC/DC CONTROL
(SEE PAGE 4-39)
IC852
CURRENT DETECT
(SEE PAGE 4-40)
32 PDP
37 SYNI
34 P15
36 P16
4 HSY
11 FRPV
12 FRPT
22 CTR
20 EX2
21 EX3
23 SPD
24 CLD
13 CLS
14 SPS
15 EX1
16 MODE1
17 MODE2
18 RES
48 29 28
R/R-Y/CR
9
G/Y
8
B/B-Y/CB
10
COM AMP
27 OSCI
26 OSCO
7 VCO
17
16
15
COMTST 47 COMTST
COMTST
10 BL LEV
BL LEV
VCO
FILTER
9
14
10
11
2
5
4
3
15
IC801
EVR
(SEE PAGE 4-33)
IC903
SWITCH
(SEE PAGE 4-35)
CPC
(FOR CHECK)
05
CN901
CN851
BRIGHT
39
SUB BRT R
32
SUB BRT B
31
CONTRAST
40
RGB AMP
30
COM AMP
35
XTEST
38
22 XEN
20 SI
19 CLK
EXT
JIG CON
14 EXT BGP
LCD901
PANEL UNIT
2.5inch
COLOR
LCD
MONITOR
5
3
1
4
18
•
19
2
•
3
(1/2)
(SEE PAGE 4-35)
IC902
(2/2)
(SEE PAGE 4-35)
IC902
50
48
39
CN802
PANEL G
PANEL B
PANEL R PANEL XHD
PANEL XVD
PANEL XHD
PANEL XVD
XLCDH
PANEL R PANEL G PANEL B
XLCDH
JIG XHD
JIG XVD
9
TO
MODE CONTROL
BLOCK
(SEE PAGE 3-10)
PANEL G
PANEL R
PANEL B
PANEL XVD
PANEL XHD
XLCDH
HI SO
XCS PANEL D/A
XHI SCK
BRT
BRT R
COM
BRT B
CONT
AMP
COM ADJ
BRT TST
1
TO
FC-86 BOARD
(CAMERA BLOCK)
CN602
(SEE PAGE 3-4)
W MSKV
FRPV FRPT
5 7
Q903 – 906
BUFFER
VGL
GENERATOR
PANEL –15.3V
Q854
Q851, 852
Q856
SWITCHING
BL UNREG
PANEL 4.9V
D852
D853
Q855
Q862
LED SWITCH
Q853
PROTECT
SWITCH
SWITCHING
Q857 – 859
BL LEVEL
2
12
OUT/IN1
CONT4
6
CONT3
5
CONT2
13
CONT1
1 IN/OUT1
3
OUT/IN2
4 IN/OUT2
9
OUT/IN3
8 IN/OUT3
10
OUT/IN4
11 IN/OUT4
3
7
2
4
1
FB
VCC
1
2
4
•
5
3
5
–
+
+
–
SAW
OSC
OUT
PUT
SHORT CIRCUIT
PROTECT
+
–
5
1
3
4
2
6
10
3
1
5
4
Q860
INVERTER
DRIVE
T851
INVERTER
TRANS
ND801
BACK LIGHT
D901
LED
PANEL 4.9V
VB12
GENERATOR
VR
COM
CTR
VG
VB
SPD
1
21
CLD
CLS
20
SPS
19
EX1
18
MO1
17
MO2
7
RES
6
VB12
BL HIGH
BL LOW
LED
EX2
EX3
VGL
8
TO
MODE CONTROL
BLOCK
(SEE PAGE 3-10)
7
TO
FDD INTERFACE
BLOCK
(SEE PAGE 3-8)
T00
FDD RF
INDEX
XPWR SW
LANC OUT
LANC IN
LANC IN
LANC OUT
XPWR SW
11
12
13
INDEX
TRACK 00
FDD RF
15
16
18
1
2
3
HSY
7
COM
8
VG
9
5
6
COM VG
+
LCD DRIVE
(SEE PAGE 4-34)
IC802
LCD DRIVE
IC802 8 REC/PB
H
600 mVp-p
IC802
9
REC/PB
H
600 mVp-p
IC802 0 REC/PB
560 mVp-p
H
IC802
w;
REC/PB
4.0 Vp-p
2H
IC802 ws REC/PB
4.0 Vp-p
2H
IC802 wf REC/PB
2H
4.0 Vp-p
IC802
ra
REC/PB
2H
1.8 Vp-p
IC901
wh
REC/PB
7.7 MHz
4.0 Vp-p
IC901
ej
REC/PB
H
3.2 Vp-p
IC901 ef REC/PB
V
3.2 Vp-p
IC901 4 REC/PB
H
5.0 Vp-p
IC851
1
REC/PB
7.0 Vp-p
2
µ
sec
3-11 3-12
3-6. LCD BLOCK DIAGRAM