60
BASE UNIT
RECEIVER
1. Sensitivity 12 dB SINAD
with CCITT Filter
2. Frequency Response (Ref:1kHz)
0.3kHz
3.0kHz
3. Distortion at 1 mV RF Input
4. S/N ratio at 1 mV RF Input
with CCITT Filter
5. Selectivity (NQ20dB)
6dB Ban
6dB Bandwidth -
6. Tel Line Output Level (600
Ω
Load)
7. Bell Ringer Level at 30cm from SP
Frequency : 1.0kHz + 2.0kHz (L1)
HI
LO
Frequency : 0.6kHz + 0.8kHz + 1.2 kHz (L2)
HI
LO
8. Intercom Ringer Level at 30cm from SP
Frequency : 1.0kHz
Called from H/S
Call to H/S
TRANSMITTER
1. RF Power (50
Ω
Load)
2. Modulation Sensitivity
3. Frequency Response (Ref:1kHz)
0.3kHz
3.0kHz
4. Frequency Tolerance (25°C)
5. Code Deviation
6. Distortion
7. S/N Ratio
with CCITT Filter
TELEPHONE LINE
1. Off-hook Impedance (at 1kHz)
2. Off-hook DC Resistance (DC 40mA)
3. On-hook Impedance 20Hz (75Vrms)
4. Minimum Ringer Input Level
5. Pulse Dialing
a. Dialing Rate (@10pps)
b. Make Ratio (@10pps)
6. DTMF Output (@600
Ω
Load)
a. Minimum Level of Single Tone
Low Group
High Group
b. DTMF Level
c. DTMF Frequency
Row 1
Row 2
Row 3
Row 4
Column 1
Column 2
Column 3
d. Signal Length
e. Interdigital Pause
SPEAKER PHONE
1. Microphone Sensitivity (-20 dBm TEL Output)
2. Receiver Response Audio Output (Audio Output at -20 dBm TEL Input)
INTERCOM
1. Microphone Sensitivity (1 kHz ± 8kHz Dev.)
2. Receiver Response Audio Output (1 kHz ± 4kHz Dev.)
UNIT
dBm
dB
dB
%
dB
kHz
kHz
dBm
dBSPL
dBSPL
dBSPL
dBSPL
dBSPL
dBSPL
UNIT
dBm
dBm
dB
dB
Hz
kHz
%
dB
UNIT
OHM
OHM
kOHM
Vrms
pps
%
dBm
dBm
dBm
Hz
Hz
Hz
Hz
Hz
Hz
Hz
mSec
mSec
UNIT
mV
mV
UNIT
mV
mV
NOMINAL
-115
-3.5
-3.0
1.5
70
15
15
-11
80
64
80
64
73
57
NOMINAL
-5.0
-20
-1.0
-3.0
0
8.0
1.5
35
NOMINAL
1000
250
30
25
10
39
-7
-5
-3
697
770
852
941
1209
1336
1477
100
100
NOMINAL
1.4
1250
NOMINAL
5.0
400
LIMIT
< -107
-7.5~+0.5
-7.0~+1.0
< 5
60 <
10 <
10 <
-14~-8
70 <
54 <
70 <
54 <
61 <
45 <
LIMIT
-8.0~-2.0
-24~-16
-5.0~+3.0
-7.0~+1.0
-1500~+1500
< 11
< 5
30 <
LIMIT
500~1500
100~300
10 <
< 40
8~11
36~42
-10 <
-8 <
< 0
687~707
759~781
840~864
927~955
1191~1227
1316~1356
1455~1499
90 <
80 <
LIMIT
0.7~2.8
700~2220
LIMIT
2.5~10
225~710
Summary of Contents for FT-8259
Page 1: ...CORDLESS TELEPHONE PUBLISHED IN JAPAN Sep 1999 SERVICE MANUAL FILE NO 2B0 9906 FT 8259 ...
Page 8: ...7 BLOCK DIAGRAMS Base Unit ...
Page 9: ...8 Handset ...
Page 10: ...9 10 SCHEMATIC DIAGRAMS Base Unit Main ...
Page 11: ...11 Base Unit Key ...
Page 12: ...12 13 Handset ...
Page 31: ...32 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Page 32: ...33 Base Unit Key PCB ...
Page 33: ...34 Handset Main PCB ...
Page 34: ...35 36 WIRING DIAGRAMS Base Unit ...
Page 35: ...37 Handset ...
Page 38: ...40 Handset 7 8 4 1 16 17 17 5 10 15 11 12 2 9 6 13 14 3 17 MAIN PCB ASSY RF MODULE HANDSET ...
Page 60: ......