CVX-V18NS/V18NSP
3-15
3-16
3-6. POWER (MAIN UNIT) BLOCK DIAGRAM
1
2
3
4
5
VA-108 BOARD
CN-116 BOARD
DT-106 BOARD
SW-328 BOARD
16
15
14
13
12
10
5
1
8
1
2
3
4
5
7
12
16
9
18
19
2
4
9
10
12
13
7
VW-1 BOARD
2
1
VDD
OUT
5.5V DETECT
IC883
2
1
VDD
OUT
4.7V DETECT
IC884
8
5
VCC
VCC
VOLTAGE REGURATOR
IC843
MIC AMP
IC841
ALC
IC842
10
27
30 VCC3
VCC2
VCC1
Y/C MIX VIDEO AMP
Q883
SWITCH
Q821
BUFFER
Q822
BUFFER
IC821
1
3 VIN
VOUT
1
3 VIN
VOUT
VOLTAGE REGURATOR
IC881
1
2
3
4
6
8
13
14
14
13
12
11
9
7
2
1
BATTERY
TERMINAL
VIDEO WALKMAN
CONNECTOR
CN881
BATT (+)
BATT SW (-)
BATT (-)
UNREG GND
UNREG GND
GND
GND
GND
GND
GND
UNREG
UNREG
CN883
CN990
CN996
CN995
CN941
AU_GND
GND
5V
POWER(2)
POWER(1)
GND
5V
POWER(2)
POWER(1)
GND
5V
POWER(2)
POWER(1)
BATT LED
AU_GND
GND
5V
POWER(2)
POWER(1)
BATT LED
UNREG
UNREG
GND
GND
Y_GND
C_GND
GND
GND
UNREG
UNREG
GND
GND
Y_GND
C_GND
GND
GND
UNREG
GND
Y_GND
C_GND
GND
CN882
AU_GND
05
CN901
CN902
F881
1.25A
Q881
SWITCH
Q882
SWITCH
Q841
BUFFER
3
4
6
5
10
7
8
7
5
6
1
4
6
5
4
1
1
2
3
6
1
2
3
9
5
D995
BATT
LED
D941
POWER
LED
CN884
CN991
TO POWER (CAMERA)
VC-211 BOARD CN501
(SEE PAGE 3-17)
TO POWER (CAMERA)
VC-211 BOARD CN301
(SEE PAGE 3-17)
TO POWER (CAMERA)
IF-73 BOARD CN1803
(SEE PAGE 3-20)
POWER
ON
OFF
Q884
SWITCH
S948
Содержание CVX-V18NS
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