Read Panasonic WV-CU20E Service Manual online
WV-CU20E
– 2 –
SCHEMATIC DIAGRAM
CONNECTOR BOARD
MAIN BOARD
A
B
C
D
1
2
3
4
1
2
3
4
2
3
4
1
2
3
4
2
3
4
+5V
LREM1
LREM2
GND
LREM1
LREM2
GND
+5V
LREM
NC
NC
GND
LREM
NC
NC
GND
GND
LREM
NC
NC
NC
NC
GND
+5V
+5V
(440KHz)
+5V
LREM1
LREM2
GND
LREM1
LREM2
GND
FAR
NEAR
ESC
ONE
TOUCH
DIAL
OPEN
1
CALL
ONE
TOUCH
DIAL
2
REDIAL
6
5
DELETE
4
3
2
3
ACK
1
9
0
8
MEMORY
WIDE
TELE
AF
MENU
DIAL
7
MUTE
ENTER
AUDIO
/ALARM
(AUTO/MANU)
/VIDEO
(ALM
KEY MATRIX
REMOTE CONTROL
DRIVER
OSCILLATOR
JK3
CONNECTION
JACK
(DIN CABLE)
CONNECTION
JACK
(DIN CABLE)
CN4
CONNECTION
PORT
(MODULAR
CABLE)
CONNECTION
PORT
(MODULAR
CABLE)
SW1-3
ONE-TOUCH DIAL BUTTONS 1-3
ONE-TOUCH DIAL BUTTON 4/
VIDEO SETTING MODE BUTTON
ONE-TOUCH DIAL BUTTON 4/
VIDEO SETTING MODE BUTTON
SW5
ONE-TOUCH DIAL BUTTON 5/
ALARM ACKNOWLEDGE BUTTON
ALARM ACKNOWLEDGE BUTTON
SW6
DIAL BUTTON
SW7
QUICK DIAL BUTTONS
SW10-18,20
NUMERIC BUTTONS
SW19
BUTTON
SW21
(ALARM MEMORY) BUTTON
SW22
CALL BUTTON
SW23
REDIAL BUTTON
SW25
DELETE BUTTON
SW26
AUDIO MUTE BUTTON
SW27-30
DIRECTION BUTTONS
SW31
ESCAPE BUTTON
SW4
SW33
SW32
MENU BUTTON
ENTER BUTTON
ENTER BUTTON
SW34-38
CAMERA CONTROL
BUTTONS
BUTTONS
E1(VCU20L01)
ONE
TOUCH
DIAL
4
ONE
TOUCH
DIAL
5
ONE
TOUCH
DIAL
MEMORY)
+
—
+5V
2
KI/O0
1
KI/O1
20
KI/O2
19
KI/O3
18
KI/O4
17
KI/O5
16
KI/O6
15
KI/O7
14
KI0
13
KI1
12
KI2
11
KI3
10
AC
8
OSC-IN
7
OSC-OUT
4
S-OUT
5
REM
6
VDD
3
S-IN
9
VSS
+5V
+5V
+5V
1
2
3
4
5
2
3
4
5
1
2
3
4
5
6
2
3
4
5
6
D7
D8
J40
0
J39
OPEN
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
OPEN
SW9
SW10
SW11
SW12
SW13
SW14
SW15
SW16
SW17
SW18
SW19
SW20
SW21
SW22
SW23
SW24
OPEN
SW25
SW26
SW27
SW28
SW29
SW30
SW31
SW32
SW33
SW34
SW35
SW36
SW37
SW38
D1
D2
D3
D4
D5
D6
C1
47/6.3
C2
0.1
0.1
C3
100P
100P
X1
C4
100P
IC1
(CN1)
Q3
Q1
Q4
Q2
JK3
CN4
(CN2)
OPEN
1
2
3
4
2
3
4
B
C
E
B
C
E
B
C
E
B
C
E
1
2
3
4
2
3
4
<Index>
MAIN BOARD
IC1
D3
Q3
D4
Q4
D4
D1
D1
D2
D1
D3
D1
D4
D1
D5
D1
D6
D1
CONNECTOR BOARD
D7
B4
D8
A4
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