– 1 –
SERVICE MANUAL
SPECIFICATIONS
General
Frequency band (SPP-A973)
902 – 928 MHz
Frequency band (SPP-A974)
923.1 – 927.75 MHz
Base unit : 18 µW
Handset
: 73 µW
Operating channel
30 channels
Dial signal
Tone, 10 PPS (pulse) selectable
Supplied accessories
AC power adaptor AC-T128 (1)
Telephone line cords (2)
Wall bracket for base phone (1)
Rechargeable battery pack BP-T23 (1)
Handset
Power source
Rechargeable battery pack BP-T23
Battery charging time
Approx. 12 hours
Battery life
Standby : Approx. 7 days
Talk
: Approx. 6 hours
Dimensions
Approx. 58
×
177
×
46
mm (w/h/d),
antenna excluded
(approx. 2
3/8
×
7
×
1
13/16
inches)
Antenna: Approx. 72 mm
(approx. 2
7/8
inches)
Mass
Approx. 270 g
(approx. 9.5 oz), battery included
SPP-A973/A974
US Model
SPP-A973
Canadian Model
SPP-A974
CORDLESS TELEPHONE
MICROFILM
Photo: SPP-A973
Base unit
Power source
DC 9 V from AC power adaptor
AC-T128
Battery charging time
Approx. 24 hours
Dimensions
Approx. 160
×
63
×
225 mm (w/h/d),
antenna excluded
(approx. 6
3/8
×
2
1/2
×
8
7/8
inches)
Antenna: Approx. 120 mm
(approx. 4
3/4
inches)
Mass
Approx. 585 g
(approx. 1 lb 5 oz), wall bracket excluded
Answering machine
Maximum recording time
About 15 minutes, using incorporated IC
Greeting message
Up to 90 seconds per each
Incoming and Memo message
Up to 4 minutes per message
Design and specifications are subject to
change without notice.
Notes on Chip Component Replacement
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Ver 1.0 1999. 11
Содержание SPP-A973 - Cordless Telephone With Answering System
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Страница 18: ... 18 2 7 I TAD BOARD 3 I TAD board BASE KEY board 2 BTP 3x12 1 Removal the solders ...
Страница 27: ...SPP A973 A974 4 7 SCHEMATIC DIAGRAM I TAD SECTION Refer to page 45 for IC Block Diagrams 35 36 Page 27 Page 39 ...
Страница 31: ...SPP A973 A974 4 11 SCHEMATIC DIAGRAM HAND MAIN SECTION Refer to page 45 for IC Block Diagrams 43 44 ...