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SERVICE MANUAL
SPECIFICATIONS
General
Operating channel
25 channels
Dial signal
Tone, 10 PPS (pulse) selectable
Supplied accessories
AC power adaptor (AC-T56) (1) (E92)
AC power adaptor (AC-T124) (1) (E12)
AC power adaptor (AC-T125) (1) (ARGENTINE)
Telephone line cord (1)
Rechargeable battery pack (BP-T16) (1) (SPP-874)
Rechargeable battery pack (BP-T16) (2) (SPP-884)
Wall bracket/stand (1)
Screws (2)
Handset
Power source
Rechargeable battery pack BP-T16
Battery life
Standby : Approx. 14 days
Talk
: Approx. 6 hours
Battery charging time
Approx. 12 hours
Dimensions
Approx. 54
× 195 × 49 mm (w/h/d),
antenna excluded
(approx. 2 1/4
× 7 3/4 × 1 15/16 inches)
Antenna: Approx. 285 mm
(approx. 11 1/4 inches)
Mass
Approx. 240 g (approx. 8 oz), battery
included
SPP-874/884
E Model
CORDLESS TELEPHONE
Base unit
Power source
DC 9V from AC power adaptor
Rechargeable battery pack BP-T16
(SPP-884 only)
Battery charging time
Approx. 20 hours (SPP-884 only)
Dimensions
Approx. 120
× 64 × 223 mm (w/h/d),
antenna excluded
(approx. 4 3/4
× 2 5/8 × 8 7/8 inches)
Antenna: Approx. 680 mm
(approx. 26 7/8 inches)
Mass
Approx. 350 g (approx. 12 oz), wall
bracket and battery excluded
Design and specifications are subject to change without
notice.
· Abbreviation
E12 : 220­240V area of E model
E92 : 120V area of E model
MICROFILM
Photo: SPP-884
Handset
Base unit


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TABLE OF CONTENTS
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 SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
1. GENERAL
Read this first ........................................................................... 3
Checking the package contents ............................................... 3
Setting up the base unit ........................................................... 3
Preparing the battery pack ....................................................... 4
Making calls ............................................................................ 5
Receiving calls ......................................................................... 5
Phone Directory ....................................................................... 6
Paging ...................................................................................... 7
Resetting the digital security code ........................................... 7
Mounting the base unit on a wall ............................................ 8
2. DISASSEMBLY
2-1. Cabinet (Lower) .................................................................. 9
2-2. Base Main board ............................................................... 10
2-3. Cabinet (Rear) ................................................................... 11
2-4. Hand Main Board .............................................................. 11
3. TESTMODE
Base Unit Section .................................................................. 12
Hand set Section .................................................................... 14
4. ELECTRICAL ADJUSTMENTS
Base Unit Section .................................................................. 17
Handset Section ..................................................................... 19
5. DIAGRAMS
5-1. Block Diagram ­Base Section­ ........................................ 21
5-2. Block Diagram ­Handset Section­ ................................... 23
5-3. Printed Wiring Boards ­Base Section­ ............................. 25
5-4. Schematic Diagram ­Base Section­ ................................. 27
5-5. Printed Wiring Boards ­Hand Main Section­ ................... 29
5-6. Schematic Diagram ­Hand Main Section­ ....................... 31
5-7. Printed Wiring Boards ­Hand Key Section­ ..................... 33
5-8. Schematic Diagram ­Hand Key Section­ ......................... 35
5-9. IC Pin Descriptions ........................................................... 38
6. EXPLODED VIEWS
6-1. Base Unit Section .............................................................. 40
6-2. Handset Section ................................................................. 41
7. ELECTRICAL PARTS LIST ........................................ 42
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.


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SECTION 1
GENERAL
This section is extracted
from instruction manual.


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