Text preview for : 17_03_01.pdf part of PANASONIC KX-FPG376 SERVICE MANUAL
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+5V R318 Z0.1u C314
TO DIGITAL
CN301 RESET KSCLK KTXD KRXD KLATCH KSTART +5V GND 8 7 6 5 4 3 2 1
3.3V
R304 ( ) NC
4.7
TO LCD
CN302 1 GND 2 +5VLCD
0V
R321 68 R322
LCD CONTRAST
5V 0V
R324
3 VO 4 RS
R305
2.2K
180 R323 180 +5V C311 Z0.1u C310 J100P J330P J330P Z0.1u C304 C305 C308 Z0.1u C309 R307 820 +5V
180
5 R/W 6 E 7 D0 8 D1 9 D2
6.3V 100u
Z0.1u C318 ( ) NC C319 ( ) NC C303
C302
R306
1.2K
Z0.1u
10 D3
C322
R303
IC301
30 RESET 31 SCLK 32 270 33 RXD TXD 34 LATCH 35 START 42 KIN0 3 KIN1 7 KIN2 8 KIN3 11 KIN4 12 KIN5 13 KIN6 14 KIN7 43 KSL0 44 KSL1 1 KSL2 10 KSL3 4 KSL4 9 XL10 18 GND 39 GND VDD VDD XL13 LED1 RS R/W E D4 D5 D6 D7 LED2 LED3 LED4 LED5 LED6 XL8 XL9 XL12 XL11 XL14 XL15 17 40 19 22 23 24 25 26 27 28 29 36 37 38 41 2 5 6 15 16 20 21
TO DIGITAL
CN303 MICIN 1
R302
18K
TO COB
+5V R312 270 AUTO ANSWER LED301 RED +5V R320 Caller IQ LED302 GREEN
MICGND 2
MICGND 3
COPY SW301
MUTE SW305
REDIAL/PAUSE SW310
FLASH SW315
NC SW320
NC SW325
SP-PHONE/ MONITOR SW330
(-) SW334
3 SW306
2 SW311
1 SW316
Caller IQ SW321
RECORD SW326 AUTO ANSWER SW327
0V LED: ON 5V LED: OFF
220
FAX/START/SET SW302
# SW307
0 SW312
* SW317
NC SW322
MENU
5V
SW331 SW335
0V
+5V
+5V
56K R313
R316
4.7K
CALLER-ID SW303 LOCATOR/ INTERCOM SW304
6 SW308
5 SW313
4 SW318
SW323
SW328 PLAY MESSAGES SW329
SW332
SW336
9 SW309
8 SW314
7 SW319
NC SW324
HELP C317 SW333 SW337 K0.01u
R317 100
SW351 3 1 4 2 DOCUMENT TOP SW C316
R315 100 K0.01u
R314
3 4
1 PS301 2 DOCUMENT SET SENSOR
( R361
J351 ) NC +5VA
+5V R351 330
0
Z0.1u
C358
NC
4
C359
3
R352
3.3K C351
1
K1000P R356 27K 6 7 IC351-1 R360 NC 5 R357 R354 C355 10K D10P R355 27K 10K
6.3V 100u
8
IC351-2 2
C356
TO MIC L351 MIC (+)
C353 K0.01u D301 NC C352 K0.1u C354 R353 K0.1u ( ) 3.3K
L352
MIC (-)
J353 0
R359
Z0.1u
C357
68K
100K
NC
+5VA R358
C360
KX-FPG376 / KX-FPG377 : OPERATION BOARD SCHEMATIC DIAGRAM
330
NC
ERASE
(+)
STOP