CAS NC-1 - Page 23

SCHEMATIC DIAGRAM
3) Charger schematic
R8
1.8K F
R6
4K F
GND
VCC
VCC
+12V
CN3
CON8
V_BAT
VCC
R2
1K
C1
0.1uF
1
2
3
4
5
6
7
8
V_BAT
R7
2K F
GND
CN1
CON4
1
2
3
4
R3
3.3/2W
temp
D1
B240
+
C3
470/16V
Temp_check
LED_COM
POWER_LED
D2
1N5819
C2
0.1uF
+12V
U1
PIC16F676
1
4
3
2
12
14
5
13
6
7
11
10
8
9
VDD
RA3/MCLR
RA4/OSC2
RA5/OSC1
AN1/RA1
VSS
RC5
AN0/RA0
RC4
RC3/AN7
AN2/RA2
AN4/RC0
AN6/RC2
AN5/RC1
LED_R
led_green
R1
47K
LED_G
led_red
R4
1K
GND
charge_control
R9
1.2K F
battery_checking
+5V
D3
1N5819
R10
33K
Power_LED
Q2
2N7002
CN2
CON3
1
2
3
U2
LM317T
3
1
2
VIN
ADJ
VOUT
C5
0.1uF
+
C4
470/16V
U3
LM7805
1 3
2
VIN VOUT
GND
V_BAT
Q1
FDS6679
R5
8K F
CON5273(02)_power_sw
CN4
1
2
SW1
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