Sony SPP-A1050 Service manual
SPP-A1050
General
Frequency band 902 - 928 MHz
Operating channel 30 channels
Dial signal Tone, 10 PPS (pulse) selectable
Supplied accessories AC power adaptor AC-T130
Telephone line cord (1)
Rechargeable battery pack BP-T18
Directories (1 sheet)
Wall bracket (1)
Handset
Power source Rechargeable battery pack BP-T18
Battery life Standby: Approx. 6 days
Talk: Approx. 7 hours
Dimensions Approx. 56 x 178 x 43 mm (w/h/d), antenna excluded
(approx. 2
1
⁄4 x 7 1⁄8 x 1 3⁄4 inches)
Antenna: Approx. 32 mm (approx. 1
1
⁄4 inches)
Mass Approx. 220 g (approx. 7.7 oz), battery included
Base unit
Power source DC 9V from AC power adaptor AC-T130
Battery charging time Approx. 10 hours
Dimensions Approx. 172 x 65 x 205 mm (w/h/d), antenna excluded
(approx. 6
7
⁄8 x 2 5⁄8 x 8 1⁄8 inches)
Antenna: Approx. 120 mm (approx. 4
3
⁄4 inches)
Mass Approx. 500 g (approx. 1 lb 2 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.
SERVICE MANUAL
Ver 1.0 2001.05
SPECIFICATIONS
US Model
9-873-076-11 Sony Corporation
2001E0500-1 Personal Audio Company
C 2001.5 Shinagawa Tec Service Manual Production Group
CORDLESS TELEPHONE
WITH ANSWERING SYSTEM
SPP-A1050
TABLE OF CONTENTS
1. GENERAL
Set Up the Base Unit....................................................... 3
Install the Battery Pack ................................................... 3
Charge the Battery Pack.................................................. 3
Choose the Dialing Mode ............................................... 4
Making Calls ................................................................... 4
Receiving Calls ............................................................... 4
Speed Dialing .................................................................. 4
Using the Answering Machine ....................................... 5
Playing Back Messages .................................................. 6
2. DISASSEMBLY
2-1. Disassembly Flow ........................................................... 7
2-2. Hand Rear........................................................................ 7
2-3. HAND MAIN Board....................................................... 7
2-4. Base Bottom .................................................................... 8
2-5. BASE MAIN Board ........................................................ 8
3. TEST MODE.............................................................. 9
4. DIAGRAMS
4-1. Block Diagram – BASE UNIT Section –...................... 11
4-2. Block Diagram – HANDSET Section –........................ 12
4-3. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 13
4-4. Printed Wiring Board – BASE MAIN Board – ............. 14
4-5. Schematic Diagram – BASE MAIN Board –................ 15
4-6. Printed Wiring Board – BASE KEY Board – ............... 16
4-7. Schematic Diagram – BASE KEY Board – .................. 16
4-8. Printed Wiring Board – HAND MAIN Board – ............ 18
4-9. Schematic Diagram – HAND MAIN Board – .............. 19
4-10. IC Pin Function Description ........................................... 20
5. EXPLODED VIEWS
5-1. Hand Set Section ............................................................ 21
5-2. Base Set Section.............................................................. 22
NOTE FOR REPLACEMENT OF THE EEPROM
The ID cord is written in the EEPROM.
When replacing the EEPROM, U7 on the B ASE MAIN board and
U5 on HAND MAIN board should be replaced together as a pair.
(Parts No. X-3380-233-1)
PRIOR CHECK FOR SERVICING
This set can rewrite the ID number of handset to the ID number of
base unit in the test mode even their serial numbers are different.
You can find which is wrong, handset or base unit with this
function.
Note: A normal set is needed for this test.
Define A as the normal set and B as the faulty set.
Disconnect their power.
Procedure:
1. Press the key sequence [PGM], [#], [9], [9], [0], [8] of the
handset B to enter the test mode.
2. When enter the test mode, the happy tone is emitted and the
[TALK/BATT LOW] LED will be blinking at 0.5 Hz frequency
and 50% duty cycle.
3. While pressing the [HANDSET LOCATOR] key of the base
unit A, turn the po wer on, then release and press it again within
2 seconds to enter the test mode.
4. When enter the test mode, the [LINE] LED turns on.
5. Disconnect the po wer of the handset B, then connect the power
again.
6. Disconnect the power of the base unit A, then connect the po wer
again.
7. Cradle the handset B on the base unit A to charge the battery
of handset B for about 1 minute.
8. Press the [TALK] key of the handset B and join the base unit
A.
9. When joining is successful, the handset B is normal. But when
it fails, charge the battery of the handset B again.
10. Next, repeat the step 1 to step 9 with the handset A and base
unit B
11. When joining is successful with handset A and base unit B,
base unit B is normal and handset B is faulty.
6. ELECTRICAL PARTS LIST ............................... 23
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 0 OR DOTTED
LINE WITH MARK 0 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 MANU AL OR IN SUPPLEMENTS PUBLISHED BY SONY.
2
SECTION 1
GENERAL
1 Set up the base unit
Hook the cord.
To AC outlet
2 Connect the AC power
adaptor AC-T130.
To telephone outlet
1 Connect the telephone
line cord.
SPP-A1050
This section is extracted from
instruction manual.
3 Raise the antenna.
To DC IN 9V
To LINE
2
Install the Battery Pack
1 Slide open the
battery
compartment
lid.
2 Connect the
battery
connector with
correct polarity
(black wire goes
on right side
and red wire
goes on left).
red
BP-T18
3 Close the
battery
compartment
lid.
black
3
Charge the Battery Pack
Place the handset on the base unit.
CHARGE lamp
Charge the battery pack for at least
10 hours.
3
SPP-A1050
4
Choose the dialing mode
1
Press (PGM).
2
Press (*TONE).
3
Press (1) for
pulse dialing or
(2) for tone
dialing.
4
Press (PGM).
Receiving calls
1
When you hear
the phone ring;
• Press
(TALK/FLASH)
(or any key
except (OFF)).
or
• Pick up the
handset from
the base unit.
Making calls
1
Pick up the
handset.
2
Press
(TALK/FLASH).
3
Dial the phone
number.
4
When you’re
done talking,
press (OFF) or
replace the
handset on the
base unit.
Speed dailing
Storing phone numbers
(TALK/FLASH)
1
Press (PGM).
2
Press one of the
dialing buttons
((0) to (9)) for the
phone number to
be stored.
3
Enter the phone
number you want
to store.
2
When you’re
done talking,
press (OFF) or
replace the
handset on the
base unit.
4
Press (PGM).
(SPEED DIAL)
Making calls
1
Press (TALK/FLASH).
2
Press (SPEED DIAL).
Enter the desired speed dialing
3
number ((0) to (9)).
4
Using the Answering Machine
1 Set the Time and Day of the Week
1Press (MENU) repeatedly until you hear
“Set day and time”.
2Press (SELECT) repeatedly to select the
day of the week.
3Press (TIME/SET).
4Press (SELECT) repeatedly to select the
hour.
5Press (TIME/SET).
6Press (SELECT) repeatedly to select the
minute.
SPP-A1050
2 Record the Greeting
MIC (Microphone)
7Press (TIME/SET).
8Press (PLAY/STOP) to exit the menu setup
mode.
(REPEAT/SLOW)
1Press (MENU) repeatedly until “Set out-
going message” is announced.
2Press (REC/MEMO).
“Now recording” is announced and a long beep
sounds.
3Speak into the base unit microphone
(MIC).
You can record up to 90 seconds.
4To stop recording, press
(PLAY/STOP).
5
SPP-A1050
3 Turn On the Answering Function
Turn off the answering function
1
Playing Back Messages
1
Press (ANSWER ON/OFF) on the base unit.
The ANSWER ON/OFF button lights up.
Press (ANSWER ON/OFF) on the base unit.
(ERASE)
(REPEAT/SLOW)
(PLAY/STOP) (SKIP/QUICK)
To stop playback
Press a mailbox button ((MAILBOX 1),
(MAILBOX 2) or (MAILBOX 3)).
To repeat the current message
Press during play back.
To skip the current message
Press (SKIP/QUICK).
To go back to the previous message
Press (REPEAT/SLOW) within the first two
seconds of the current message playback.
Press a mailbox button
((MAILBOX 1), (MAILBOX 2) or (MAILBOX 3))
to play back new messages in the selected
mailbox.
To play back slowly
Press and hold (REPEAT/SLOW) during play
back.
Release (REPEAT/SLOW) to return to normal.
To play back quickly
Press and hold (SKIP/QUICK) during play
back.
Release (SKIP/QUICK) to return to normal.
6
• This set can be disassembled in the order shown below.
5
Remove the hand rear
to direction of the arrow
B
.
1
Remove the battery lid
to direction of the arrow
A
.
4
claw
3
two claws
3
three claws
2
two screws
(BTP3
×
12)
A
B
2-1. DISASSEMBLY FLOW
SPP-A1050
SECTION 2
DISASSEMBLY
Set
Note: Follow the disassembly procedure in the numerical order given.
Hand rear Hand main Board
Base bottom
Base main Board
2-2. HAND REAR
2-3. HAND MAIN BOARD
5
ANT SLE
1
Remove two solders of lead.
2
two screws
(BTP3
×
10)
4
7
vol knob
3
four screws
(P2
×
5)
6
HAND MAIN board
7
SPP-A1050
2-4. BASE BOTTOM
3
base bottom
2
claw
1
five screws
(P3 × 12)
2-5. BASE MAIN BOARD
6
screw
×
10)
(P3
3
screw
(3
×
20)
4
screw
(P3
×
10)
5
RF unit (base)
2
harness
1
Remove solder of lead.
2
claw
9
BASE MAIN board
7
two screws
(2
×
6)
8
two charge springs
0
seven screws
(2
×
6)
0
B/S KEY board
8
SECTION 3
TEST MODE
SPP-A1050
Introduction
The manual test mode can be used for testing the RF and audio
sections of the base unit and handset. The manual test mode is
also required for the FCC testing in which the phone is tested for
interference at the first, middle, and last RF channels.
The following features are provided in manual test mode.
• Switch on both RX (handset only) and TX powers and set the
RF channel to channel 15.
• Unmute the audio path.
• Able to change the RF channel. (Both RX and TX channels together)
• Able to switch on/off the TX power.
• Able to switch on/off the RX power. (Handset only)
• Able to set operating mode of the combo chip.
• Able to transmit or receive data packet.
• Exchange security code.
BASE UNIT
1. Entering the Manual Test Mode
1. While pressing the [HANDSET LOCATOR] key, turn the
power on, then releasing and pressing it again within 2
seconds.
2. When enter the test mode, light up the [LINE] LED.
2. Default Settings
• Channel set to 15. (out of 1-30)
• Combo set to active mode.
• TX audio path unmuted.
• RX audio path unmuted.
• Off hooked.
• Date transmission disabled.
3. Page Key Operation
1.
Condition: Press
Operation: Advance channel by one, following 16, 17, 18...29, 30,
Indication:LED remains on for 2 seconds and then blinks.
[HANDSET LOCATOR] key while the [LINE]
LED lights up.
1, 2....
4. Data Link
Data bits are encoded in manchester format for which bit “0” is
represented by 500 µs lo w and 500 µs high while bit “1” by 500 µs
high and 500 µs low.
If data transmission is enabled, it will transmit data packet with
the following fields continuously.
(“0”=500 µs low and “1”=500 µs high)
• 8 bit preamble :0101010101010101
• 8 bit word sync :0110010010010110
• 16 bit security code :Restored from EEPROM
• 8 bit command :xxxx010101010101
• 8 bit data :0101010101010101
If data transmission is enabled, it will toggle the [LINE] LED every
time when a data packet is received. (No security code would be
checked)
HANDSET
1. Entering the Manual Test Mode
1. Press the key sequence [PGM], [#], [9], [1], [0], [8].
2. When enter the test mode, the happy tone is emitted and the
[TALK/BATT LOW] LED will be blinking at 0.5 Hz frequenc y
and 50% duty cycle.
2. Default Settings
• Channel set to 15. (out of 1-30)
• Combo set to active mode.
• TX audio path unmuted.
• RX audio path unmuted.
• Off hooked.
• Date transmission disabled.
3. Key Functions
[TALK FLASH] key
• Set combo to active mode.
[PGM] key
• Set combo to RX mode.
[REDIAL PAUSE] key
• Set combo to inactive mode.
2.
Condition: Press [HANDSET LOCATOR] key while the [LINE]
LED goes off.
Operation: Toggle combo operating mode between active and RX
modes.
Indication:LED remains off for 2 seconds and then blinks.
3.
Condition: Hold [HANDSET LOCATOR] key over 2 seconds.
Operation: Enable data transmission.
Set combo to active mode.
Indication:LED toggles once and then remains steady.
4.
Condition: Press [HANDSET LOCATOR] key when data
transmission is enabled.
Operation: Disable data transmission.
Set combo to RX mode.
Indication:LED is on for 2 seconds and then blinks.Mode 2:
5.
Condition: Power down.
Operation: Release the test mode
[CHANNEL] key
• Advance channel by 1, following 16, 17, 18...29, 30, 1, 2 ...
[7] key
• Mute TX audio path.
[8] key
• Unmute TX audio path.
[9] key
• Mute RX audio path.
[0] key
• Unmute RX audio path.
[*] key
• Enable data transmission.
[#] key
•Disable data transmission.
•Set combo to RX mode.
•Unmute TX audio path.
[OFF] key
• Release the test mode and emit the sad tone.
Note: All keys pressed will emit the key tone.
9
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