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+5V2
+5V2 TO LCD
)
)
C366
Z0.1u
R318
R386
C314
NC
NC
5V
4.7
TO DIGITAL CN302
LCD CONTRAST 5V
(
(
)
)
1 GND
0V
R304
R378
CN301
RESET 11 0V 2 +5V
(
(
KSCLK 10 3 V0
KTXD 9
)
4 RS
R379
680
R305
KRXD 8 5 R/W
(
KLATCH 7 6 E TO COB
KSTART 6 7 D0
R301
JOG1 5 1 JOG1 8 D1
470
JOG2 4 R376 2 GND
)
)
)
)
9 D2
C361
C360
C362
J100p
J330p
J330p
C363
Z0.1u
)
C305
R319
C308
C304
C309
( )
)
NC
R320
+5V3 +5V2 +5V1
NC
+5V 3 3 JOG2 10 D3
(
(
(
(
(
R302
(
GND 2 SW351
)
11 D4
R377
27k
R303
470
JOG DIAL
MICIN 1 R375 12 D5
(
( )
+5V1
)
)
13 D6
C365
C364
Z0.1u
Z0.1u
C310
C311
)
14 D7
R384
(
(
0V
(
6.3V 100u
)
)
)
C359
C301
C358
Z0.1u
C302
C303
TO DIGITAL
LED: ON
(
(
(
CN303 IC301
MICIN 1 5V
30 17
RESET VDD
2
31
SCLK VDD
40 LED: OFF
32 2
)
RXD LED6
J331
33 22
GND 3 TXD LED1
34 23
LATCH RS
(
35 24
START R/W
42 25
KIN0 E
3 26
KIN1 D4
7 27
KIN2 D5
8 28
KIN3 D6
11 29
KIN4 D7
12 36
KIN5 LED2
13 37
KIN6 LED3
14 38 +5V2
KIN7 LED4
43 41
KSL0 LED5
ERASE
44
KSL1 XL8
5 IN USE1
MENU 9 * RECORD 0
1 6 LED301
KSL2 XL9 R310
10 15
KSL3 XL12 ( ) ( )
SW301 SW306 SW311 SW316 SW321 SW326 SW331 4 16
KSL4 XL11
9 19 IN USE2
XL10 XL13
18 20 LED302
GND XL14 R311
39 21
PLAY GND XL15 ( ) ( )
HELP MUTE 5 4 6 LOCATOR
MESSAGES
NEW MESSAGES
R312 LED303
SW302 SW307 SW312 SW317 SW322 SW327 SW332
270
VOL+ COLLATE 2 1 RESOLUTION CALLER ID 3
5V
SW303 SW308 SW313 SW318 SW323 SW328 SW333 +5V2
0V +5V2
COPY/START
VOL- QUICK SCAN REDIAL/PAUSE SP-PHONE FLASH STOP
/SET
)
)
R381
R383
4.7k
4.7k
R314
R316
SW304 SW309 SW314 SW319 SW324 SW329 SW334