Camera Control (2/2) Block Diagram - Sony CVX-V18NS Service Manual

CVX-V18NS/V18NSP

3-4. CAMERA CONTROL (2/2) BLOCK DIAGRAM

IF-73 BOARD
E3.2V
CN1803
KEY AD3
CAMERA BLOCK
KEY AD3 1
CN-116 BOARD KEY AD4
KEY AD4 2
CN991
KEY AD5
KEY AD5 3
(SEE PAGE 3-13)
KEY AD6
4
IC1801
MOTOR DRIVER
CN1801
2A 3 22 2A
M901
-2A 4
8 2A
M
IR
-2B 5 10 2B
MOTOR
2B 6 20 2B
IR-35 BOARD
CN1090
CN1805
1 1 4.9V
2 2
3 3
D1091
D1092 D1090
4 4
Q1091 Q1090
05
IC1803
VISCA CONTROL
5
6
VCC 8
E3.2V E3.2V
29
47
RESET 1
SCK 9
SI 10
SO 11
CS 18
WAKE UP 39
30 KEY AD3
31 KEY AD4
32 KEY AD5
33 KEY AD6
TITLE 25
DOWN 28
UP 27
MENU 26
4
VM 11 4.9V
IC1802
23 MOTOR PRE DRIVER
VC 3 3.2V VDD 20 3.2V
15
IN3 16 DIR2A VD IN 1
EN3 17 17 EN2 CS 3
IN4 18 16 DIR2B SCK 4
EN4 19 SIN 5
CKIN
8
X CLR 9
3-11
VC-211 BOARD (3/3)
IC804
REGULATOR
CN1802 CN703 X701
UNREG
20MHz
1 VOUT VIN 3 30 1 UNREG
3.2V 20 11 3.2V
4.9V 19 12 4.9V
X702
32.768kHz
XVISCA RESET XVISCA RESET
13 18
SCK2 SCK2
18 13
SO2 SO2
17 14
SI2 SI2
16 15
CS2 CS2
15 16
XWAKE UP XWAKE UP
14 17
KEY AD3
24 7
TO CAMERA BLOCK
CL
(SEE PAGE 3-7)
MEM VD
MEM VD
8 23
PDR CS
7 24 PDR CS
TO CAMERA
XVC SCK
11 20 XVC SCK
CONTROL
VC SO
12 19 VC SO BLOCK(1/2)
CL (SEE PAGE
10 21
XRST 3-10)
XRST SYSTEM
9 22
SYSTEM
4.9V 1 20 4.9V
IR_ON
2 29
IC702 IC701
MODE CONTROL INITIAL RESET
BACKUP VCC
20MHz OUT
40 42
51
41 20MHz IN
75
52 32kHz IN VDD 76 6 V OUT V IN 7
77
53 32kHz OUT
86
87
5 RESET XRESET 38 5 RESET
50 SCK2 BATT IN 61 4 CS V BAT 3
49 SO2
48 SI2
BT701
47 CS2
21 WAKE UP
96 KEY AD3 ACV SENSE 91
XSYS RST 9 XSYS RST
XCS VC 22 XCS VC
TO CAMERA
HI SI 33 HI SI
CONTROL BLOCK(1/2)
HI SO 34 HI SO
(SEE PAGE 3-10)
XHI SCK 35 XHI SCK
SYS V 64 SYS V
XSYS RST
XCS OSD 44 XCS OSD
TO CAMERA BLOCK
OSD SO 45 OSD SO
(SEE PAGE 3-6, 7)
XOSD SCK 46 XOSD SCK
CAM DD ON
CAM DD ON 28 CAM DD ON TO POWER(CAMERA) BLOCK
(SEE PAGE 3-17)
VTR DD ON 29 VTR DD ON
CN704 LANC
3.2V 1 3.2V
UNREG 2 UNREG
LANC OUT 2
3 LANC OUT
LANC IN 1 4 LANC IN
CN502
4.9V 1 1
2 2
3 3
4
IR ON 43 4
3-12
D701
UNREG
D704
2 V OUT V IN 3
IC703
REGULATOR
TO LANC JIG
IR-34 BOARD
D091
D090 D092
CN090
Q090 Q091