12
KX-TG9385BXT/KX-TGA939BXT
4.4.
Block Diagram (Handset)
SPEAKER
RECEIVER
MIC
CHARGE
CIRCUIT
Q4, Q9, R7Q4,
Q9,
R7
CHARGE
CONTACTS
)
CHARGE(-)
CHARGE
HANDSET-DET
CHARGE DETECT
EEPROM
SCL
SDA
BATTERY
TERMINAL
D7
VBAT
J1
J2
1.8 V
Q2
1.8 V
LCD
CD
RESET
CSB
SDA
SCL
CPU
Analog
Front
End
D/A
A/D
33
35
15
16
19
20
18
20
31
32
57
58
WP
53
36
40
13
43
42
63
54
55
66
ADPCM
Codec
Filter
DSP
Speech
Decoding
Speech
Encoding
BMC
Burst
Decoding
RF PA
IC801
Burst
Encoding
RF
PLL
MOD/DEMOD
ANT1
ANT2
5
3
4
3
6
78
9
6
2
77
78
75
RXn
RXon
D802
ANT1
D801
RXp
TXp
TXn
Pon
PSEL
TXoh
VDD-PADRY
9
10
XTAL
X1
10.368
MHz
BATTERY
44
TALK OFF
KEYPAD
Charge
Pump
ROWS
COLUMNS
CP2.5V
CP4.0V
27, 49, 50, 51
22, 23, 24, 25, 26
BBIC
IC1
IC3
56
LCD-BACK LIGHT
KEY LED
BELL LED
65
52
68
KX-TGA939 BLOCK DIAGRAM (Handset)
73
74
80
72
ANT2
ANT2
1
2
3
4
5
Summary of Contents for KX-TG9385BXT
Page 2: ...2 KX TG9385BXT KX TGA939BXT ...
Page 15: ...15 KX TG9385BXT KX TGA939BXT 4 7 Signal Route ...
Page 16: ...16 KX TG9385BXT KX TGA939BXT ...
Page 17: ...17 KX TG9385BXT KX TGA939BXT ...
Page 19: ...19 KX TG9385BXT KX TGA939BXT 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...
Page 21: ...21 KX TG9385BXT KX TGA939BXT 8 1 2 Handset ...
Page 44: ...44 KX TG9385BXT KX TGA939BXT ...
Page 45: ...45 KX TG9385BXT KX TGA939BXT 10 1 2 Handset ...
Page 46: ...46 KX TG9385BXT KX TGA939BXT 10 1 3 Charger Unit ...
Page 48: ...48 KX TG9385BXT KX TGA939BXT ...
Page 49: ...49 KX TG9385BXT KX TGA939BXT 10 2 2 How to Replace the Handset LCD ...
Page 71: ...71 KX TG9385BXT KX TGA939BXT Memo ...
Page 78: ...78 KX TG9385BXT KX TGA939BXT Memo ...
Page 84: ...84 KX TG9385BXT KX TGA939BXT 15 3 Cabinet and Electrical Parts Charger Unit ...
Page 85: ...85 KX TG9385BXT KX TGA939BXT 15 4 Accessories ...