KX-TG6621RUB, KX-TG6621RUM, KX-TG6621UAB, KX-TG6621UAM, KX-TG6621CAB, KX-TG6621CAM, KX-TG6622CAB, KX-TGA661RUB, KX-TGA661RUM - Panasonic Telephone Service Manual (repair manual). Page 70

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70
KX-TG6621RU/KX-TG6621UA/KX-TG6621CA/KX-TG6622CA/KX-TGA661RU
13.3. Schematic Diagram (Base Unit_Operation)
ANS
1       2
STOP
1       2
ERASE
1       2
MSG2
1       2
MSG1
1       2
SKIP
1       2
DOWN
1       2
RPT
1       2
UP
1       2
LOCAT/INT
1       2
ANS_LED
KEYIN3
MEG_LED
KEYIN1
KEYS_D
KEYIN2
KEYS_C
VLED
KEYS_E
LCD_GND
CARBON_TEST
CT1
CT2
LCD_SID
LCD_SCL
LCD_RST
LCD_CD
LCD_VDD
LCD_CS
LED902
A
K
LED901
A
K
MSG3
1       2
MSG4
1       2
BL1
KEY_1
KEY_2
LED905
LED906
GND
BL2
LED907
LED908
CN901
@CBN12-0.9-2.8X14.
1
2
3
4
5
6
7
8
9
10
11
12
GND
GND
GND
C901
1u
16V
C902
1u
25V
C90
3
1u
16V
R901
180
R902
180
R903
180
R904
180
1
10
1
10
GND
VG
/RSTB
/CSB
VSS
A0
SDA
SCLK
VDD1
VDD2
V0
XV0
KX-TG6621 SCHEMATIC DIAGRAM (Base Unit_Operation)
NC: No Components

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