Pin
Description
I/O
High
High-Z
Low
1 /RES
I
NORMAL
-
RESET
2 XTAL
I
-
-
-
3 EXTAL
O
-
-
-
4 MD1
I
NORMAL
-
-
5 MD0
I
-
-
NORMAL
6 NMI
I
NORMAL
-
-
7 Not USE (/
STBY)
I
NORMAL
-
-
8 VCC2
VDD
-
-
-
9 Mic MUTE
I
Mic ON
-
Mic ON
10 RF POWER
I
RF ON
-
RF ON
11 VIBRATOR
I
ON
-
OFF
12 VSS
GND
-
-
-
13 BACK LIGHT
O
OFF
-
ON
14 32.768kHz IN
I
-
-
-
15 KEY-OUT5
O
-
-
STROBE
ON
16 KEY-OUT4
O
-
-
STROBE
ON
17 KEY-OUT3
O
-
-
STROBE
ON
18 KEY-OUT2
O
-
-
STROBE
ON
19 KEY-OUT1
O
-
-
STROBE
ON
20 KEY-OUT0
O
-
-
STROBE
ON
21 KEY-IN1
I
-
-
KEY ON
22 KEY-IN2
I
-
-
KEY ON
23 KEY-IN3
I
-
-
KEY ON
24 KEY-IN4
I
-
-
KEY ON
25 KEY-IN5
I
-
-
KEY ON
26 CODEC
POWER DOWN
O
ON
-
OFF
27 POWER DOWN
I
NORMAL
-
POWER
DOWN
28 BBIC INT
I
NORMAL
-
INT
29 AVCC
VDD
-
-
-
30 JP1
I
NORMAL
-
-
31 JP2
I
7894
-
7895
32 POWER_SW
I
ON
-
OFF
33 HEADSET
I HEADSET
-
NORMAL
34 CHARGE
I
ON
-
OFF
Summary of Contents for KX-TD7895 - Digital Spread Spedtrum Telephone
Page 3: ...3 2 CONNECTIONS OF HANDSET ...
Page 4: ...3 3 BASE UNIT ...
Page 5: ...4 DISASSEMBLY INSTRUCTIONS 4 1 BASE UNIT ...
Page 6: ...1 Remove the four screws A and remove the Bottom Cabinet ...
Page 9: ...2 Take the Battery out of the Rear Cabinet after disconnecting the Connector ...
Page 10: ...3 Remove two Screws D from the Rear Cabinet ...
Page 12: ...6 Remove the Antenna from the Front Cabinet after removing the Screw E ...
Page 13: ...7 Remove the RF unit from the Main Board ...
Page 20: ...34 CHARGE I ON OFF ...
Page 23: ...6 4 RF UNIT FREQUENCY TABLE ...
Page 32: ...10 TROUBLESHOOTING GUIDE 10 1 NO VOICE RECEPTION 10 2 NO VOICE TRANSMISSION ...
Page 33: ...10 3 NO LINK BASE UNIT ...
Page 39: ...12 CABINET AND ELECTRICAL PARTS LOCATION 12 1 BASE UNIT ...
Page 40: ...12 2 HANDSET ...
Page 41: ...12 3 CHARGER ...
Page 42: ...13 ACCESSORIES AND PACKING MATERIALS ...
Page 46: ... CAPACITORS ...
Page 63: ......
Page 64: ......
