Table of Contents
Advertisement
SPP-A1070/A1071
TABLE OF CONTENTS
1.
2.
................................................................... 4
3.
3-1. Disassembly Flow ........................................................... 5
3-2. H/S Rear Assy ................................................................. 5
3-3. H/S FRT Assy .................................................................. 6
3-4. HAND MAIN Board ....................................................... 6
3-5. Base Bottom .................................................................... 7
3-6. BASE MAIN Board ........................................................ 7
4.
.............................................................. 8
5.
5-1. Block Diagram - BASE UNIT Section - ...................... 11
5-2. Block Diagram - HANDSET Section - ........................ 12
Schematic Diagrams ....................................................... 13
5-4. Printed Wiring Board - BASE MAIN Board - ............. 14
5-5. Schematic Diagram - BASE MAIN Board - ................ 15
5-6. Printed Wiring Board - BASE KEY Board - ............... 16
5-7. Schematic Diagram - BASE KEY Board - .................. 16
5-8. IC Pin Function Description ........................................... 17
5-9. Printed Wiring Board - HAND MAIN Board - ............ 18
5-10. Schematic Diagram - HAND MAIN Board - .............. 19
6.
6-1. Hand Set Section ............................................................. 20
6-2. Base Set Section .............................................................. 20
7.
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 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 PUB-
LISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
2
................................................ 2
............................... 21
SECTION 1
SERVICING NOTES
NOTE FOR REPLACEMENT OF THE EEPROM
The ID cord is written in the EEPROM.
When replacing the EEPROM, U6 on the BASE MAIN board and
U4 on HAND MAIN board should be replaced together as a pair.
(Parts No. X-3381-019-1)
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:
[PGM]
1. Press the
key.
2. Select the "DIAL MODE" menu by pressing v or V keys.
[SELECT], [2], [1], [0], [4]
3. Press the key sequence
4. When enter the test mode, happy tone is emitted, and the LCD
displays as shown below.
[HANDSET LOCATOR]
5. While pressing the
unit A, turn the power on, then release and press it again within
2 seconds to enter the test mode.
6. When enter the test mode, the
7. Disconnect the power of the handset B, then connect the power
again.
8. Disconnect the power of the base unit A, then connect the power
again.
9. Cradle the handset B on the base unit A to charge the battery
of handset B for about 1 minute.
[TALK]
10. Press the
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.
.
key of the base
[LINE]
LED blinks slowly .
Advertisement
Table of Contents
