Sony SPP-N1025, SPP-N1026 Service manual
SPP-N1025/N1026
SERVICE MANUAL
Ver 1.1 2001.12
Photo: SPP-N1025
SPECIFICATIONS
General
Operating frequency
Base phone: 902-905 MHz (310µW)
Hand set: 925-928 MHz (400µW)
Operating channel
10 channels
Dial signal
Tone, 10 PPS (pulse) selectable
Supplied accessories
AC power adaptor AC-T122
Telephone line cord
Rechargeable battery pack BP-T18
Wall bracket
Directory
Canadian Model
Base phone
Power source
DC 9V from AC power adaptor AC-T122
Battery charging time
Approx. 12 hours
Dimensions
Approx. 7
antenna excluded
(approx. 175 x 57 x 190 mm)
Antenna: Approx. 6
(approx. 153 mm)
Mass
Approx. 13.5 oz (approx. 382 g), wall
bracket excluded
x 2 1⁄4 x 7 1⁄2 inches (w/h/d),
1
⁄ 8 inches
US Model
SPP-N1025
SPP-N1026
Handset
Power source
Rechargeable battery pack BP-T18
Battery life
Standby: Approx. 7 days
Talk: Approx. 7 hours
Dimensions
Approx. 2
antenna excluded
(approx. 55 x 47 x 183 mm)
Antenna: Approx. 1
(approx. 34 mm)
Mass
Approx. 7.7 oz (approx. 220 g), battery
included
9-873-224-02 Sony Corporation
2001L0500-1 Personal Audio Company
C 2001.12 Published by Sony Engineering Corporation
1
⁄4 x 1 7⁄8 x 7 1⁄4 inches (w/h/d),
3
⁄8 inches
Design and specifications are subject to
change without notice.
CORDLESS TELEPHONE
SPP-N1025/N1026
TABLE OF CONTENTS
1. SERVICING NOTES............................................... 3
2. GENERAL ................................................................... 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 6
3-2. H/S Rear Assy ................................................................. 6
3-3. H/S FRT Assy.................................................................. 7
3-4. HAND MAIN Board....................................................... 7
3-5. Base Bottom .................................................................... 8
3-6. BASE MAIN Board ........................................................ 8
4. TEST MODE.............................................................. 9
5. DIAGRAMS
5-1. Block Diagram – BASE UNIT Section –...................... 13
5-2. Block Diagram – HANDSET Section – ........................ 14
5-3. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 15
5-4. Schematic Diagram – BASE MAIN Board (1/2) –....... 16
5-5. Schematic Diagram – BASE MAIN Board (2/2) –....... 17
5-6. Printed Wiring Board – BASE MAIN Board –............. 18
5-7. Printed Wiring Board – BASE KEY Board – ............... 19
5-8. Schematic Diagram – BASE KEY Board – .................. 19
5-9. Printed Wiring Board – HAND MAIN Board – ............ 20
5-10. Schematic Diagram – HAND MAIN Board – .............. 21
5-11. IC Pin Function Description ........................................... 22
6. EXPLODED VIEWS
6-1. Hand Set Section ............................................................. 24
6-2. Base Set Section.............................................................. 25
7. ELECTRICAL PARTS LIST ............................... 26
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.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED
LINE WITH MARK 0 ON THE SCHEMATIC DIA GRAMS
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.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS P AR UNE MARQUE 0
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
2
SECTION 1
SERVICING NOTES
SPP-N1025/N1026
NOTE FOR REPLACEMENT OF THE EEPROM
The ID cord is written in the EEPROM.
When replacing the EEPROM, U6 on the B ASE MAIN board and
U4 on HAND MAIN board should be replaced together as a pair.
(Part No. X-3381-018-1)
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 [PGM] key.
2. Select the “DIAL MODE” menu by pressing v or V keys.
3. Press the key sequence [SELECT], [2], [1], [0], [4].
4. When enter the test mode, happ y tone is emitted, and the LCD
displays as shown below.
ABOUT U7 ON THE BASE MAIN BOARD
U7 (Part No. 6-800-854-01) on the BASE MAIN board which has
board shape as shown below , is dif ferent from regular ICs in shape.
5. Press the key sequence [#], [2], [1], [1], [0] just after power
ON.
6. When enter the test mode, the [SPEAKERPHONE] LED and
[INTERCOM] LED light up, and happy tone is emitted.
7. Disconnect the po wer of the handset B, then connect the power
again.
8. Disconnect the power of the base unit A, then connect the po wer
again.
9. Cradle the handset B on the base unit A to charge the battery
of handset B for about 1 minute.
10. Press the [TALK] key of the handset B and join the base unit
A.
11. When joining is successful, the handset B is normal. But when
it fails, charge the battery of the handset B again.
12. Next, repeat the step 1 to step 9 with the handset A and base
unit B
13. When joining is successful with handset A and base unit B,
base unit B is normal and handset B is faulty.
3
SPP-N1025/N1026
Ver 1.1
NEW/FORMER TYPE DISCRIMINATION
In this set with the following serial No. or later BASE MAIN and
HAND MAIN boards have been changed.
SPP-N1025 : Serial No. 0207433 or alter
SPP-N1026 : Serial No. A0106801 or later
Serial No.
Bottom View
NOTE FOR REPAIRING AND REPLACEMENT OF THE
NEW TYPE BO ARD
When a new type board is damaged or out of order, do not repair
that board, but replace with an former type board (BASE MAIN
board : Part No. A-3062-834-A, HAND MAIN board : Part No.
A-3062-832-A (N1025)/A-3062-877-A(N1026)). In this case, remove the EEPROM (BASE MAIN board : Ref No. U6, HAND
MAIN board : Ref No. U4) from the new type board and install it
on the former type board as a replacement.
– BASE MAIN BOARD (Conductor Side) –
U6
Serial No.
Bottom View
– HAND MAIN BOARD (Component Side) –
U4
Former T ype
U4
New Type
Lid Battery
4
Identifying the parts
Refer to the pages indicated in parentheses for details.
Base Phone
1
2
3
4
5
6
7
8
9
1 VOICE MAIL lamp (p. 47)
Flashes when you have messages.
2 NEW CALL lamp (p. 39)
Flashes when there is a “NEW”
data in the Caller ID list.
3 Dialing keys
4 HOLD button (p. 20, 33)
Press to put a call on hold.
5 CHARGE lamp (p. 9, 19)
Lights while the battery is being
charged.
6 SPEAKERPHONE button
(p. 20, 22)
Press to make or receive a call with
the base phone.
This button keeps lit until you are
done talking.
7 LINE lamp (p. 18, 22)
Lights when the handset is in use.
8 MIC (microphone)
US
Getting Started
14
SECTION 2
GENERAL
0
qa
qs
qd
qf
qg
9 INTERCOM button/lamp
(p. 36)
Used to make an intercom call.
The INTERCOM lamp on this
button keeps lit until you are done
talking.
0 VOLUME +/– buttons (p. 20, 22)
Adjusts the speaker volume.
qa SPEED DIAL button (p. 25)
Used to make a call with speed
dialing.
qs PGM (Program) button (p. 25)
Used to store numbers for speed
dialing.
qd REDIAL/PAUSE button (p. 21)
Redials the last number called/
inserts a pause in the dialing
sequence.
qf RINGER switch (p. 32)
Used to adjust the ringer volume
level of the base phone.
qg CALL WAITING/FLASH button
(p. 20)
Switches to a second call if you
have “call waiting” service.
qh
qj
qh Antenna (p. 7, 49)
qj Speaker (p. 20, 22)
qk DC IN 9V jack (p. 7)
ql LINE (telephone line) jack
(p. 7)
SPP-N1025/N1026
This section is extracted from
instruction manual.
qk
ql
continued
Getting Started
Getting Started
US
15
Identifying the parts (continued)
Handset
1
2
3
4
5
6
1 Antenna
2 Speaker
3 Jog lever (p. 11, 23, 30, 31, 39)
4 HOLD button (p. 18, 34)
Press to put a call on hold.
5 TALK button (p. 18, 21, 22, 24,
33, 37)
Lets you make or receive a call.
6 Battery compartment (p. 9)
7
8
9
q;
qa
7 Display (p. 11, 38)
8 OFF button (p. 18, 22, 33, 35)
Allows you to disconnect the call.
9 Dialing keys
0 CHANNEL button (p. 18)
Press to select a better channel.
qa Microphone
qs
qd
qf
qg
qs FLASH button (p. 18, 46)
Switches to a second call if you
have “call waiting” service, or lets
you make a new call.
qd TONE button (p. 18)
Allows you to switch temporarily to
tone dialing.
qf ONE-TOUCH button (p. 23)
Used to make a call with one-touch
dialing.
qg INTERCOM button (p. 35)
Used to make an intercom call.
qh I (HEADSET) jack (p. 51)
qj SELECT button (p. 11 – 13, 23,
27, 31, 40, 42)
Press to enter the selection and
bring you to the next selection.
qh
qj
qk
ql
w;
qk # button (p. 44)
Used to change the number of digits
of the phone number in the Caller
ID list.
ql REDIAL/PAUSE button
(p. 21, 24, 26, 28)
Redials the last number called/
inserts a pause in the dialing
sequence.
w; PGM (Program) button
(p. 11 – 13, 23, 27, 31, 47)
Press to start the procedure for
setting up the phone such as
choosing the dialing mode.
Also used to store the setting to
finish the procedure.
Getting Started
US
16
Getting Started
Getting Started
US
17
5
SPP-N1025/N1026
• This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
SECTION 3
DISASSEMBLY
Set
Note: Follow the disassembly procedure in the numerical order given.
H/S rear assy H/S FRT assy
Base bottom
BASE MAIN board
3-2. H/S REAR ASSY
5
Remove the H/S rear assy
in the direction of arrow
B
.
HAND MAIN board
2
two screws
(BTP3
×
10)
4
claw
B
3
two claws
3
two claws
A
1
Remove the battery lid
in the direction of arrow
A
.
6
3-3. H/S FRT ASSY
d
3
screw
(BTP2.6
SPP-N1025/N1026
1
screw
(BTP2.6
×
8)
2
×
8)
4
two screws
(P2
×
5)
3-4. HAND MAIN BOARD
8
receiver BKT
6
H/S FRT assy
5
screw
(BTP2.6
×
8)
6
RF unit (hand)
5
2
speaker (2.8cm)
7
screw (BTP2.6 × 8)
1
Remove two solders of lead.
3
Remove solder of lead.
4
Remove twelve solders.
9
HAND MAIN boar
7
SPP-N1025/N1026
)
3-5. BASE BOTTOM
3
base bottom
2
claw
1
five screws
(P3
×
12)
3-6. BASE MAIN BOARD
4
RF unit (base)
2
harness
1
Remove solder of lead.
2
claw
6
two screws
(BTP2.6
3
screw
(P3
8
×
8)
×
6)
BASE MAIN board
5
Remove two solders.
7
two screws
(BTP2.6
×
8
0
six screws
9
Remove two solders of lead.
qa
BASE KEY board
(BTP2.6
×
8)
8
SECTION 4
TEST MODE
SPP-N1025/N1026
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.
• Able to set operating mode of the combo chip.
• Able to mute or unmute the audio path.
• Able to change the RF channel. (Both RX and TX)
• Able to transmit or receive data packet.
• Able to synchronize the security code.
BASE UNIT
1. Entering the Manual Test Mode
1. Press the key sequence [#], [2], [1], [1], [0] just after power
ON.
2. When enter the test mode, the [SPEAKERPHONE] LED and
[INTERCOM] LED light up, and happy tone is emitted.
2. Default Settings
• Channel set to 14. (out of 0 to 29)
• Combo set to active mode.
• Speakerphone unmute.
• TX audio path unmuted.
• RX audio path unmuted.
• TX power ON.
• Off hooked.
• Date transmission disabled.
3. SPEAKERPHONE Key Operation
1.
Condition: Press the
Operation: Toggle transmitter on/off, it only turn the TX power
on/off with no modulation.
Indication:Beep tone is emitted.
[1] key.
7.
Condition: Press the [7] key.
Operation: TX data on, it only send security code change command
out if the transmitter power ON.
Indication:Beep tone is emitted.
8.
Condition: Press the [8] key.
Operation: Base DTMF test, it will send the dight 3 DTMF to line.
Indication:Beep tone is emitted and DTMF 3 gen. in line.
9.
Condition: Press the [9] key.
Operation: Stop DTMF test, it will stop the DTMF to line.
Indication:Beep tone is emitted and stop DTMF.
10.
Condition: Press the [0] key.
Operation: Base will receive the handset security code change
command and toggle the [LINE] LED.
Indication:Beep tone is emitted and [LINE] LED is flashed.
11.
Condition: Press the [*] key.
Operation: Stop the data transmit, but don't turn the TX power
OFF.
Indication:Beep tone is emitted.
12.
Condition: Press the [#] key.
Operation: Increase the current channel to next, if 30 back to 1.
Indication:Beep tone is emitted.
13.
Condition: Press the
Operation: Generate current ringer.
Indication:Beep tone and ringer tone are emitted.
[REDIAL/PAUSE] key.
2.
Condition: Press the [2] key.
Operation: Toggle TX mute, it only toggle the TX path of combo
chip.
Indication:Beep tone is emitted.
3.
Condition: Press the [3] key.
Operation: Toggle mic mute pin, the mic mute pin defalt value in
test mode is high (mute).
Indication:Beep tone is emitted.
4.
Condition: Press the [4] key.
Operation: Toggle HF path switch function, the HF pin will be
toggle.
Indication:Beep tone is emitted.
5.
Condition: Press the [5] key.
Operation: Toggle RX mute function, it only toggle the TX path
of combo chip.
Indication:Beep tone is emitted.
6.
Condition: Press the [6] key.
Operation: Toggle spk mute pin, the spk mute pin defalt value in
test mode is low (unmute).
Indication:Beep tone is emitted.
14.
Condition: Press the [FLASH] key.
Operation: T oggle hook pin, the hook pin defalt value in test mode
is low (hook off).
Indication:Beep tone is emitted.
15.
Condition: Press the [HOLD] key.
Operation: Rewrite the EEPROM defalt value, ringer=1, flash
type=3 dialing type=tone, security code=000, last
channel=1.
Indication:Beep tone is emitted.
16.
Condition: Press the [INTERCOM] key.
Operation: T oggle telsw pin, the telsw pin defalt value in test mode
is low.
Indication:Beep tone is emitted.
17.
Condition: Press the [PGM] key.
Operation: Enable the base to reprogram the security code. After
press the [PGM] key, the base will wait the security
code change command within 2 second. If received,
the base security code will be reprogram.
Indication: Beep tone is emitted and if received the command
gen.happy tone is emitted after reprogram security code.
9
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