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  • KX-TG8075RUJ, KX-TG8075RUS, KX-TG8075RUT, KX-TG8076RUS, KX-TG8076RUT, KX-TGA807RUJ, KX-TGA807RUS, KX-TGA807RUT, KX-TGA809RUS, KX-TGA809RUT

KX-TG8075RUJ, KX-TG8075RUS, KX-TG8075RUT, KX-TG8076RUS, KX-TG8076RUT, KX-TGA807RUJ, KX-TGA807RUS, KX-TGA807RUT, KX-TGA809RUS, KX-TGA809RUT - Panasonic Telephone Service Manual (repair manual). Page 9

Read Panasonic KX-TG8075RUJ / KX-TG8075RUS / KX-TG8075RUT / KX-TG8076RUS / KX-TG8076RUT / KX-TGA807RUJ / KX-TGA807RUS / KX-TGA807RUT / KX-TGA809RUS / KX-TGA809RUT Service Manual online

9
KX-TG8075RUJ/KX-TG8075RUS/KX-TG8075RUT/KX-TG8076RUS/KX-TG8076RUT/KX-TGA807RUJ/KX-TGA807RUS/KX-TGA807RUT/KX-TGA809RUS/KX-TGA809RUT
4.3.
Block Diagram (Handset)
Antenna
RF Module
2.4V
, 2-cell
Switc
hing
Regulator
Current Limiter
Char
g
e
 Contact
Cr
ystal
13.824MHz
K
e
y
 Bac
klight
Batter
y
EEPROM
U4
U7
COB1
BBIC
LCD Backlight
SW
LCD
KEYPAD
Headset Jack
SPK Amplifier
U2
Ear Piece
Speaker
MIC
KX-TGA807/809 BLOCK DIAGRAM (HANDSET)
6
3.3V
18
4
20
6, 58, 69, 81
49
22, 23
67, 68
66
Q1, Q6
76
Q3
41
40
7
44, 45
MIC
37, 38
3, 81, 83 - 88
R-D
A
T
A
T
-D
ATA
Q13, Q15
Q5
Switc
hing 
Regulator
U3
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