Sony SPP-ID975 - Cordless Telephone Bedienungsanleitung

– 1 –

SERVICE MANUAL

SPECIFICATIONS

General

Frequency band (SPP-ID975)

902 – 928 MHz

Frequency band (SPP-ID976)

923.1 – 927.75 MHz

Base phone : 18 µW

Handset : 73 µW

Operating channel

30 channels

Dial signal

Tone, 10 PPS (pulse) selectable

Supplied accessories

AC power adaptor AC-T122 (1)

Telephone line cords (2)

Wall bracket for base phone (1)

Rechargeable battery pack BP-T23 (1)

Handset

Power source

Rechargeable battery pack BP-T23

Battery charging time

Approx. 12 hours

Battery life

Standby:Approx. 7 days

Talk : Approx. 6 hours

Dimensions

Approx. 58 ×177 ×46 mm (w/h/d),

antenna excluded

(approx. 2 3/8 ×7 ×1 13/16 inches)

Antenna: Approx. 72 mm

(approx. 2 7/8 inches)

MassApprox. 270 g

(approx. 9.5 oz), battery included

SPP-ID975/ID976

US Model

SPP-ID975

Canadian Model

SPP-ID976

CORDLESS TELEPHONE

MICROFILM

Photo: SPP-ID975

Base phone

Power source

DC 9V from AC power adaptor

AC-T122

Battery charging time

Approx. 24 hours

Dimensions

Approx. 166 ×63 ×225 mm (w/h/d),

antenna excluded

(approx. 6 5/8 ×2 1/2 ×8 7/8 inches)

Antenna: Approx. 120 mm

(approx. 4 3/4 inches)

MassApprox. 595 g

(approx. 1 lb 9 oz), wall bracket excluded

Design and specifications are subject to

change without notice.

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.

Ver 1.0 1999. 11

SPP-ID975/ID976

– 25 – – 26 –

4-3. SCHEMATIC DIAGRAM — BASE MAIN SECTION (1/2) —

(Page 27)

Caution:

Pattern face side: Partsonthe patternfacesideseen fromthe

(Side B) pattern face are indicated.

Parts face side: Parts on the parts face side seen from the

(Side A) parts face are indicated.

THIS NOTE IS COMMON FOR PRINTED WIRING

BOARDS AND SCHEMATIC DIAGRAMS.

(In addition to this, the necessary note is

printed in each block.)

For schematic diagrams

• 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 Ωand 1/4W or less unless otherwise

specified.

•C: panel designation.

•U: B+ Line.

• Power voltage is dc 9 V and fed with regulated dc power

supplyfrom externalpowervoltage jack. (BASEPHONE)

• Powervoltage isdc12 Vandfed with regulateddc power

supply from J1008 with 100 Ωin series. (BASE PHONE)

• Power voltage is dc 3 V and fed with regulated dc power

supply from battery terminal. (HANDSET)

• Voltage is dc with respect to ground under no-signal

condition.

• Voltages aretakenwitha VOM(Inputimpedance 10 MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Signal path.

N: TX (To Tel Line)

O: RX (From Tel Line)

P: bell

For printed wiring boards

•X: parts extracted from the component side.

•: Carbon pattern.

•z: Through hole.

•b: Pattern from the side which enables seeing.

(The other layer’s patterns are not indicated.)

4-4. SCHEMATIC DIAGRAM — BASE MAIN SECTION (2/2) — • Refer to page 41 for IC Block Diagrams.

– 27 – – 28 –

SPP-ID975/ID976

RF UNIT

(BU)

(Page 35)

(Page 26)

SPP-ID975/ID976

4-7. SCHEMATIC DIAGRAM — BASE KEY SECTION —

– 35 – – 36 –

(Page 27)

– 39 – – 40 –

SPP-ID975/ID976

4-9. SCHEMATIC DIAGRAM — HAND MAIN SECTION — • Refer to page 41 for IC Block Diagrams.

16 15 14 13 12 11 10 9

SHIFT REGISTER

7654321 GND

PARALLEL DATA

OUTPUT

VCC

SQH

RESET

SERIAL DATA

OUTPUT

SHIFT

CLOCK

LATCH

CLOCK

OUTPUT

ENABLE

SERIAL DATA

INPUT

PARALLEL DATA

OUTPUT

LATCH

LCD1001

J1003, 1004

U1003

U1005

ANT1001

899

J1001, 1002

8 7 6 5

4321

VO2

CF 2

CF 1

V in

Vcc

VO1

BIAS

CIRCUIT

12 3 4 5 6 7 8 9 10 11 12 13 14

27 26 25 24 23 22 21 20 19 18 17 16 15

–

+–

400

BIAS

BACK GROUND

NOISE MONITER

BACK GROUND

NOISE MONITER

ATT CONTROL

AGC

LEVEL DET

15mV

RX ATT

DP-DET

VCC

TX ATT

FILTER

GND

Vcc

HTO(+)

HTO(–)

NTI

TXO

TXI

WCO

WCI

MUTE

VCL

CPR

PU1

PLO1

TLO1

TU1

RX0

RX1

RLI2

RLO2

TLO2

TLI2

CPT

SECTION 5

EXPLODED VIEWS

NOTE:

• The mechanical parts with no reference

number in the exploded views are not supplied.

• Items marked “*” are not stocked since

they are seldom required for routine service.

Some delay should be anticipated

when ordering these items.

• -XX and -X mean standardized parts, so

they may have some difference from the

original one.

• Color Indication ofAppearance Parts

Example :

KNOB, BALANCE (WHITE) ... (RED)

Parts Color Cabinet’s Color

Ref. No. Part No. Description Remark

5-1. HANDSET SECTION

Ref. No. Part No. Description Remark

• Accessories and packing materials are

given in the last of this parts list.

• IC Block Diagrams

U1006, 3007 CAT93C86S-LE10

U3001 MC74HC595AF

U3004 MC34118DW

U3005 MC34119D

– 41 – – 42 –

1 8

INSTRUCTION

DECODER, CONTROL

LOGIC AND CLOCK

GENERATORS

INSTRUCTION

ADDRESS

DECODER

IOF 1024

(or 2048)

DATA OUT

BUFFER

EEPROM ARRAY 16384 BIT

& (1024X16) or (2048X8)

READ WRITE AMPS

DATA IN/OUT RESISTER

16 (or 8) BITS

HIGH VOLTAGE

GENERATOR

AND

PROGRAM

TIMER

VCC

7NC

6ORG

5VSS

1 3-038-148-01 KEY (HS), RUBBER (ID975)

1 3-038-148-11 KEY (HS), RUBBER (ID976)

2 3-038-075-01 CASE (FR)

3 3-041-211-01 RUBBER, MICROPHONE

4 3-038-081-01 LENS (HS)

5 3-041-520-01 HOLDER (HS), LCD

6 3-041-537-01 RING, CUSHION RECEIVER

7 3-041-212-01 CUSHION, SPEAKER

8 A-3672-875-A RF UNIT (HS)

9 7-685-548-19 SCREW +BTP 3X12 TYPE2 N-S

10 3-038-076-01 CASE (REAR)

11 3-038-083-01 LID (HS), BATTERY CASE

12 4-356-741-21 SCREW, TAPPING (BIND 2X8)

13 4-356-741-11 SCREW, TAPPING (BIND 2X6)

14 3-038-085-01 KNOB (HS), VOLUME

15 3-041-535-01 FELT, RX

*16 A-3672-876-A HAND MAIN BOARD, COMPLETE (ID975)

*16 A-3672-897-A HAND MAIN BOARD, COMPLETE (ID976)

17 3-038-084-01 DIFFUSER (HS)

18 3-041-536-01 SHEET

19 3-041-547-01 COVER (HS), HOOK

ANT1001 1-754-103-11 ANTENNA

J1001 3-041-208-01 TERMINAL, CHARGE

J1002 3-041-208-01 TERMINAL, CHARGE

J1003 3-041-210-01 TERMINAL, BATTERY

J1004 3-041-210-01 TERMINAL, BATTERY

LCD1001 1-803-832-11 LCD MODULE

U1003 1-542-260-31 MICROPHONE, ELECTRET CONDENSER

U1005 1-505-593-11 SPEAKER (2.8cm)

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