Sony SPP-IM982 Service manual
SPP-IM982
SERVICE MANUAL
Ver 1.0 2000.12
SPECIFICATIONS
General
Frequency band
902 - 928 MHz
Operating channel
30 channels
Dial signal
Tone, 10 PPS (pulse) selectable
Supplied accessories
Telephone line cords (3)
Handset AC power adaptor (AC-T128)
Wall bracket for base unit
Base unit
Rechargeable battery pack (BP-T23)
Belt clip
Handset
Power source
Rechargeable battery pack BP-T23
Battery charging time
Approx. 12 hours
Battery life
Standby: Approx. 7 days
Talk: Approx. 7 hours
US Model
Dimensions
Approx. 2 1⁄4 x 7 1⁄2 x 1 15⁄16 inches (w/h/d), antenna excluded
(approx. 57 x 190 x 48 mm)
Antenna: Approx. 3 1⁄2 inches
(approx. 87 mm)
Mass
Approx. 9.5 oz
(approx. 268 g), battery included
Base unit
Power source
DC 9V from AC power adaptor
AC-T128
Battery charging time
Approx. 24 hours
Dimensions
Approx. 6 3⁄4 x 2 3⁄4 x 8 3⁄4 inches (w/h/d), antenna excluded
(approx. 171 x 68 x 221 mm)
Antenna: Approx. 6 inches
(approx. 150 mm)
Mass
Approx. 1 lb 5 oz
(approx. 582 g), wall bracket excluded
Design and specifications are subject to change without notice.
2-LINE CORDLESS TELEPHONE
TABLE OF CONTENTS
Specifications ........................................................................... 1
1. GENERAL
Identifying the Parts ............................................................. 3
Setting Up the Base Phone ................................................... 4
Preparing the Battery Pack ................................................... 5
Entering the Area code . ....................................................... 5
Making Calls ....................................................................... 6
Receiving Calls..................................................................... 7
Telephone Features ............................................................. 8
Caller ID Features .............................................................. 12
2. DISASSEMBLY
2-1. Case (Rear) ................................................................ 15
2-2. “RF Unit Assy, Hand”, Hand Main Board................. 15
2-3. Base (Bottom)............................................................ 16
2-4. Base Main Board, “RF Unit Assy, Base” .................. 16
2-5. Base Key Board ......................................................... 17
3. ELECTRICAL ADJUSTMENTS
Base Unit ............................................................................ 18
Handset .............................................................................. 19
4. DIAGRAMS
4-1. Block Diagram – Base Unit Section (1/2) – .............. 21
4-2. Block Diagram– Base Unit Section (2/2) – ............... 23
4-3. Block Diagram – Handset Section –......................... 25
4-4. Note for Printed Wiring Boards and
Schematic Diagrams . ................................................ 27
4-5. Printed Wiring Board – Base Main Board (1/2) –.... 29
4-6. Printed Wiring Board– Base Main Board (2/2) –..... 31
4-7. Schematic Diagram – Base Main Board (1/3) –........ 33
4-8. Schematic Diagram – Base Main Board (2/3) –........ 35
4-9. Schematic Diagram – Base Main Board (3/3) –........ 37
4-10.Printed Wiring Board – Base Key Board –................ 39
4-11.Schematic Diagram – Base Key Board – .................. 41
4-12.Printed Wiring Board – Hand Main Board –............. 43
4-13.Schematic Diagram – Hand Main Board –............... 45
NOTE FOR REPLACEMENT OF THE EEPROM
The ID cord is written in the EEPROM.
When replacing the EEPROM, U1011 on the BASE MAIN
board and U1006 on HAND MAIN board should be replaced
together as a pair.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270°C during
repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering or
unsoldering.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged by heat.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH
MARK !ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHO WN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
5. EXPLODED VIEWS
5-1. Handset Section ......................................................... 47
5-2. Base Unit Section ...................................................... 48
6. ELECTRICAL PARTS LIST .................................... 49
– 2 –
SECTION 1
GENERAL
This section is extracted from
instruction manual.
– 3 –
– 4 –
– 5 –
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– 8 –
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