SONY SPP-ID910 Service Manual

SPP-ID910
TABLE OF CONTENTS
2. DIAGRAMS
US Model
Canadian Model
SERVICE MANUAL
SUPPLEMENT-4
File this supplement with the service manual.
Subject: BASE MAIN and HAND MAIN board Modification
1. DISCRIMINATION
On this set, the boards have been changed in the midway of production. Refer to this service manual supplement-4, if the serial number given on the bottom of the base unit is as listed below. If the given serial number does not correspond to the following table, refer to original service manual (9-923-970-12) .
Model Serial Number
US model 550,001 and later
Canadian model 110,001 and later
1. DISCRIMINATION .................................................... 1
2. DIAGRAMS
2-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 2
2-2. Printed Wiring Board – BASE (RF) Board – ................ 3
2-3. Schematic Diagram – BASE (RF) Board – .................... 5
2-4. Printed Wiring Board – BASE (TEL) Board –.............. 7
2-5. Schematic Diagram – BASE (TEL) Board – ................ 9
2-6. Printed Wiring Board – HAND MAIN Board – ........... 11
2-7. Printed Wiring Board
– SWITCH SHEET (H/S KEY) – ................................. 13
2-8. Schematic Diagram – HAND MAIN Board – .............. 15
3. EXPLODED VIEWS ................................................ 17
4. ELECTRICAL PARTS LIST ............................... 19
2-1. NOTE FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
X : parts extracted from the component side.
Y : parts extracted from the conductor side.
b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution: Pattern face side: Parts on the pattern face side seen from (Conductor Side) the pattern face are indicated. Parts face side: Parts on the parts face side seen from (Component Side) the parts face are indicated.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
• All resistors are in and 1/ specified.
4: printed coil.
C : panel designation.
U : B+ Line.
H : adjustment for repair.
• Power v oltages are dc 9 V and fed with regulated dc power supply from DC IN 9 V jack (J1) on the BASE (TEL) board, dc 12 V and f ed with regulated dc power supply from TEL LINE jack (J3) on the BASE (TEL) board with 100 in series, and dc 3.6 V and f ed with regulated dc power sup­ply from battery terminal on the HAND MAIN board.
• Voltages and waveforms are dc with respect to ground under no-signal conditions. no mark : PHONE ON ( ) : PHONE OFF 〈〈 〉〉 : Charge (Spare battery)
• V oltages are taken with a V OM (Input impedance 10 M). Voltage var iations may be noted due to normal produc­tion tolerances.
• Waveforms are taken with a oscilloscope. Voltage var iations may be noted due to normal produc­tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
N : RX O : TX P : bell
: Impossible to measure
4
W or less unless otherwise
Serial Number
– 2 –
2-3. SCHEMATIC DIAGRAM – BASE (RF) Board – See page 14 for Waveforms.
SPP-ID910
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10)
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