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SCHEMATIC DIAGRAM OF FRONT BOARD
1
A
FRONT BOARD
B
2
3
4
CONDUCTOR VIEW OF FRONT BOARD
FRONT BOARD
(COMPONENT SIDE)
FRONT BOARD
(PATTERN SIDE)
TO
MAIN BO
ARD
.
.
.
CN701
(CN301)
POWER
REMOTE
RING.VOL
C310
(RINGER BUZZER)
LINE
1
LINE
2
( )
A
1
2
3
4
A
1
2
3
4
<Index>
FRONT
BOARD
BOARD
Q301
B2
Q302
B3
Q303
B3
Q304
B3
D301
A2
D302
A3
D303
B2
D304
B3
D305
A2
D306
A1
Note:
The value indicated in the schematic
diagram should be read as follows:
The value indicated in the schematic
diagram should be read as follows:
Multiplier (0–5)
2nd Significant Digit (0–9)
1st Significant Digit (0–9)
2nd Significant Digit (0–9)
1st Significant Digit (0–9)
<Example>
For Resistor:
330
→
33 x 10
0
= 33
Ω
561
→
56 x 10
1
= 560
Ω
123
→
12 x 10
3
= 12k
Ω
0R00=0
Ω
For Capacitor (Exclude Electrolytic
and Tantalum Capacitor):
and Tantalum Capacitor):
820
→
82 x 10
0
= 82PF
102
→
10 x 10
2
= 1,000PF = 0.001
µ
F
104
→
10 x 10
4
= 100,000PF = 0.1
µ
F
<Index>
FRONT BOARD
(COMPNENT SIDE)
(COMPNENT SIDE)
D301
A3
D302
A2
D303
A1
<Index>
FRONT BOARD
(PATTERN SIDE)
(PATTERN SIDE)
Q301
A2
Q302
A3
Q303
A3
Q304
A3
D304
A3
D305
A2
D306
A2
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