Read Panasonic KX-TG9127UAS / KX-TG9127UAT / KX-TGA910UAS / KX-TGA910UAT Service Manual online
11
KX-TG9127UAS/KX-TG9127UAT/KX-TGA910UAS/KX-TGA910UAT
4.3.
Block Diagram (Handset)
SPEAKER
RECEIVER
MIC
CN4
Headset
CHARGE
CIRCUIT
CIRCUIT
Q9,Q10,Q11
Q9,Q10,Q11
CHARGE
CONTACTS
CONTACTS
CHARGE(+)
CHARGE(-)
CHARGE
CHARGE DETECT
SWITCHED
SUPPLY
SUPPLY
Q1
Q1
BATTERY
BATTERY+
BATTERY-
TERMINAL
D10
VBAT1
DC/DC-SWITCH
3.0V
Q8
Q8
1.8V
Q7
Q7
4.0V
3.0V
1.8V
LCD
LCD_D/C
LCD_RESET
LCD_CS
WRITE
READ
WRITE
READ
CPU
Analog
Front
End
D/A
A/D
112
5
8
110
111
118
118
97
96
107
93
104
105
61
81
ADPCM
Codec
Filter
DSP
Speech
Decoding
Speech
Encoding
BMC
Burst
Decoding
Burst
Encoding
RF
Interface
RF
Module
IC20
26
28
RXDA
TXDA
25
38
39
40
RSSI
SYDA
SYEN
SYCL
SYEN
SYCL
20
21
XTAL
X1
X1
10.368
MHz
MHz
BATTERY
95
ON SWITCH
KEYPAD
ROWS
COLUMNS
57,58,62
50,51,52,53,54,80,83,84
BBIC
IC1
IC3
11
LCD-BACK LIGHT
KEY-BACK LIGHT
Ringer LED
SRAM_CS
Flash_CS
SRAM
79
42
44 43
59
13
60
1
2
3
4
5
2
3
4
5
KX-TGA910 BLOCK DIAGRAM (HANDSET)
SP AMP
IC6
_
DATA BUS
ADDRESS BUS
ADDRESS BUS: 3~9, 29~35, 122~128
DATA BUS: 68~75, 85~92
IC2
Flash ROM
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