Sony Cyber-shot DSC-F505, Service Manual

Page: 36 / 129

DSC-F505
Ver 1.1 1999.10
3-6. LCD/AUDIO BLOCK DIAGRAM
3-11 3-12
79
77
76
78
80
64
38
36
32
33
34
16
17
19 75
24
Y OUT
C OUT
PANEL Y PANEL Y
Y IN 1 V OUT
V OUT
C IN 1
GAIN CTL
GAIN CTL
Y
R-Y
LCD DRIVE B-Y
VCC1
VCC2
VSH
CLAMP
A +4.9V
A +3.2V
PANEL R-Y
PANEL B-Y
PANEL R-Y
PANEL B-Y
PAL/XNT
CAM DD ON
HDO
CNT Y
PAL/XNT
CAM DD ON
CNT Y
CNT C
SP VOL
HDO
PAL/XNT
CN451 CN455
CN456
2
4
8
7
6
24
23 COM OUT
R OUT
G OUT
15
14
15
16
26
25
24
5
6
7
13
12
11
26
16
3
2
24
12
10
29
28
27
21
22
23
8
18
31
32
CNT C
SP VOL
18
4
2
19
1
12
V +1
PANEL Y
PANEL R-Y
PANEL B-Y
PANEL +3.2V
PANEL +6.5V
PANEL +4.9V
15
V +2 16
SW
REG
REF 3.2V
Q303
8
9
10
44
25
26
6 40 38 30 32 31 39 35
41
20
22
B OUT
24
COLOR CONTRAST BRT TST RGB AMP SUB BRT R SUB BRT B BRIGHT 10M ADJ
48
BLACK IN
14
EXT BGP
PXHD
FRPD WIND0V FRPT
29 28
FRP COM AMP
IC801
IC803
IC902
I/O EXP (EVR)
(SEE PAGE 4-39)
IC301
VIDEO AMP
(SEE PAGE 4-44)
IC802
LCD DRIVE
(SEE PAGE 4-40)
A +4.9V
Q705
1
2
11
3
4
5
6
7
12
9
8
16
15
18
17
IC901
IC902
TIMING GENERATOR
(SEE PAGE 4-41)
3 32
4
2 1
BRIGHT
COLOR
BRT TST
A +3.2V
D +3.2V
BRT R
BRT B
CONTRAST
RGB AMP
10M ADD
BGP0
9 WIDOV
11 FRPV
12 FRPT
4 HSY
HSY
24 CLD
23 SPD
22 CTR
21 EX3
20 EX2
18 RES
17 MODE2
16 MODE1
15 EX1
14 SPS
13 CLS
PDP
26 OSC0
44 V REVC
46 H REVC
47 COMST
41 NTSC
37 SYNI
30
34
VDD
SYS V
22 XEN
27 OSC1
P MUTE
V COM
VCO
V REV
H REV
COMTST
NTSC
XCS PANEL D/A
20 SI
HI SO
19 CLK
23 VDDA
13 VDD
14 VCC
XHI SCK
PANEL
+4.9V
HDO
(1/2)
FILTER
VCO
V REV
H REV
COM TST
NTSC
COM
AMP COM
DRIVE
COM-O
VR
VG
VB
(1/2)
V COM
HDO
9
8
6
T1 OUT
R1 OUT
X232C DET
X HI SCK
HI SI
HI SO
ACCESS LED
SYS V
USB +
A OUT L
PAL/XNT
USB –
REC OUT
CN452 CN602
CN603
CN456 CN602
SY-56
BOARD
IC607
EEP ROM
(SEE PAGE 4-50)
RST
CAM DD ON
V OUT ON
PAL/XNT
XEEPROM WE
XCS XEEPROM
XHI SCK
HI SI
HI SO
SCK SCK
PAL/XNT
PAL/XNT
SP VOL
VOL CTL
VCC
VCCH
SP VCC
AU SP ON
MIC SIG
REC OUT
PB IN
PAL/XNT
AU OUT
REC OUT
USB D–
USB D+
SYS V
2
DO 4
DI 3
6
CS 1
VCC 8
X232C DET
SYS V
XHI SCK
HI SI
HI SO
AU SP ON
BEEP
BEEP
XAU MUTE
XAU MUTE
AV JACK IN
USB DET
USB DET
XCS PANEL D/A
D +3.2V
T1 OUT
R1 OUT
X232C DET
D607
D +3.2V
ACCESS LED
SYS V
BEEP IN
LINE OUT
A +3.2V
A +4.9V
M +5V
MUTE
AU OUT
Q701
Q702
8 19
25
16
21
44
48
MIC IN
SP OUT –
SP OUT + 40
46
SP OUT – 3
SP OUT + 1
IC702
LINE/SPEAKER AMP
(SEE PAGE 4-45)
16
28
30
Q704
Q706
CN603 CN455
CN602
CN702
CN456
1 MIC
MIC901
09
CN701
1
2
SP901
SPEAKER
To
MODE
CONTROL
(SEE PAGE 3-10)
TO
SY-56
BOARD
(CN456)
(SEE PAGE 3-6)
9
TO
SY-56
BOARD
(CN455)
(SEE PAGE 3-6)
8
TO
LD-98
BOARD
(CN402)
(SEE PAGE 3-8)
2
TO
PS-427
BOARD
(CN252)
(SEE PAGE 3-4)
6
HI-70 BOARD
Q903-906
21
30
11
8
12
6
4
21
30
11
8
12
6
4
8
10
12
18
20
4
22
V OUT
AV JACK IN
AU OUT
PANEL COM
VG
HSY
SYS V
VR
VG
VB
PANEL COM
VGL VGL
GENERATOR
16
25
VG12 VG12
GENERATOR
VSH PANEL
+4.9V
27
VCC VCC
GENERATOR
23
7
5
3
1
2
6
24
26
28
30
29
VGH
VSS PANEL
–15.3V
PANEL +13.2V
CLD
VGH
VCC
VSS
VG12
VSH
VGL
COM
VB
VG
VR
SPD
CTR
EX3
EX2
RES
MO2
MO1
EX1
SPS
CLS
LCD901
2INCH
LCD
UNIT
P15
AV JACK IN
USB DET
USB DET
USB D+
USB D–
R1 IN
T1 OUT
6
3
4
8
9
6
3
4
8
9
CN604
PANEL +13.5V
PANEL +4.9V
PANEL +6.5V
A +4.9V
D +3.2V
A +3.2V
CN001
VDD
D+
D–
4
AU OUT
1
3
4
CONTROL SWITCH
BLOCK (PW)
J001
RS-232C
CN002
USB
CONTROL
SWITCH
BLOCK (FK)
8
9
7
6
PANEL COM
VG
HSY
SYS V
J001
A/V OUT
(FOR CHECK)
CPC-9
CN002 CN001 CN607
Y OUT
C OUT
CNT Y
CNT C
HDO
4 4
V COM
4
CN901
10
12
14
15
16
31
32
27
28
29
30
CN601
Refer to
POWER
BLOCK (1)
(DD-131)
(SEE PAGE 3-14)
(SEE PAGE 4-41)
(SEE PAGE 4-41)
(SEE PAGE
4-39)
IC802
@º
20
µ
sec/div
2V/div
4.5Vp-p
H
IC802 @™
20
µ
sec/div
2V/div
4.5Vp-p
H
IC802
@¢
4.5Vp-p
20
µ
sec/div
2V/div
H
IC802
$¡
LCD
50
µ
sec/div
0.5V/div
1.7Vp-p
2H
20
µ
sec/div
0.5V/div
2.0Vp-p
IC301 !™ VOUT
H
IC802 8
0.46Vp-p
20
µ
sec/div
0.2V/div
H
IC802
9
LCD
20
µ
sec/div
0.1V/div
H
IC802 0 LCD
20
µ
sec/div
0.1V/div
0.18Vp-p
H
IC901 3
20
µ
sec/div
2V/div
H
4.8Vp-p
IC901 4
20
µ
sec/div
2V/div
4.8Vp-p
H
50nsec/div
2V/div
4.1Vp-p
11.722 MHz
IC901
@§
0.36Vp-p