Sony IT-B1 Manuel utilisateur

SERVICE MANUAL

SPECIFICATIONS

Dial signal Tone, 10 PPS (pulse) selectable

Dimensions Approx. 69 ×74.5 ×225 mm (w/h/d)

(Approx. 2 3/4 ×3 ×8 7/8 inches)

Mass Approx. 485 g

(Approx. 17 oz), attachments included

Supplied accessories • Telephone line cords (2)

• Handset cord

Design and specifications are subject to change without notice.

IT-B1

Canadian Model

Central & South America Model

TELEPHONE

MICROFILM

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.

Photo: WHITE Type

IT-B1

3-2. SCHEMATIC DIAGRAM — HANDSET SECTION — • Refer to page 7 for IC Block Diagrams.

Note:

• 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.

• % : indicates tolerance.

•¢: internal component.

•C: panel designation.

•U: B+ Line.

• Connect J2 and J3 with handset cord.

Power voltage is dc 12V and fed with regulated dc power

supply from J3 with 100 Ωin series.

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

condition.

no mark : OFF HOOK

( ) : ON HOOK

• Voltages aretaken withaVOM(Inputimpedance 10MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Signal path.

N: RX (fromTEL LINE)

O:TX (to TEL LINE)

P: bell

• Abbreviation

MX : Mexican model

LA : Latin American model

3-4. SCHEMATIC DIAGRAM — CRADLE SECTION —

IT-B1

3-3. PRINTED WIRING BOARD — CRADLE SECTION —

Note:

• 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.

• % : indicates tolerance.

•¢: internal component.

•C: panel designation.

•U: B+ Line.

• Power voltage is dc 12V and fed with regulated dc power

supply from J3 with 100 Ωin series.

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

condition.

no mark : OFF HOOK

( ) : ON HOOK

• Voltages aretakenwith aVOM(Input impedance10 MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Signal path.

N: RX (fromTEL LINE)

O:TX (to TEL LINE)

P: bell

Note:

•X: parts extracted from the component side.

•¢: internal component.

•b: Pattern from the side which enables seeing.

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

D33 D-2

D34 D-1

IC1 B-2

ZD1 B-1

D1 A-3

D2 A-3

D3 A-3

D4 B-3

D5 B-1

D31 C-2

D32 C-1

• Semiconductor Location

Ref. No. Location Ref. No. Location

• IC Block Diagrams

IC2 TEA1112AT

IC3 HM91510AP

CURRENT

REFERENCE

LOW

VOLTAGE

CIRCUIT

LED

DRIVER ATT

MICRO

MUTE

AGC

CIRCUIT

VCC

LN 2

SLPE 3

LED 4

REG 5

GAS 6

MMUTE 7

OTMF 8

MUTE

GAR QR VEE MIC+ MIC- IRAGC

15 14 13 12 11 910

ROW

INTERFACE CIRCUIT

COLUMN

INTERFACE CIRCUIT DIVIDER

OSC

KERNEL CONTROL CIRCUIT

INPUT

INTERFACE

CIRCUIT

OUTPUT

INTERFACE

CIRCUIT

ROW/COLUMN

PROGRAMMING

COUNTER

D/A

CONVERTER

DECODER

DATA LATCH

PULSE

GENERATOR

LNB

MEMORY

C1 2

C2 3

C3 4

VSS

VDD

KT 6

OSCI 7

OSCO 8

XMUTE 9

VSS

R4 17

R3 16

R2 15

R1 14

MODE 1213

TONE 10

VDD

HKSPO

MEMORY

VDD

Table des matières

Autres manuels Sony Téléphone

Sony

Sony Xperia C4 Manuel utilisateur

Sony

Sony IT-D10 Manuel utilisateur

Sony

Sony IT-B7 - Telephone Manuel utilisateur

Sony

Sony SPP-SS950 Manuel utilisateur

Sony

Sony IT-ID80 Manuel utilisateur

Sony

Sony Xperia XZ3 Manuel utilisateur

Sony

Sony IT-B7 - Telephone Manuel utilisateur

Sony

Sony IT-M11 Manuel utilisateur

Sony

Sony IT-B3 Manuel utilisateur

Sony

Sony Xperia X Performance F8131 Manuel utilisateur

Sony

Sony IT-B9 Operating Instructions / Manual de... Manuel utilisateur

Sony

Sony IT-M10 - Telephone Manuel utilisateur

Sony

Sony IT-M 704 Manuel utilisateur

Sony

Sony GD910 Manuel utilisateur

Sony

Sony IT-B7 - Telephone Manuel utilisateur

Sony

Sony SPP-M932 Primary Manuel utilisateur

Sony

Sony KX-TGF380AGM Manuel utilisateur

Sony

Sony CM-SB200 Manuel utilisateur

Sony

Sony IT-B1 Manuel utilisateur

Sony

Sony IT-ID20 - Streamline Phone Manuel utilisateur

Sony

Sony CM-B1200 Manuel utilisateur

Sony

Sony SPP-VT11 Manuel utilisateur

Sony

Sony IT-D200 Manuel utilisateur

Sony

Sony IT-M804 Manuel utilisateur

Manuels Téléphone populaires d'autres marques

GE 2-9480 Manuel utilisateur

Geemarc

Geemarc PHOTOPHONE 155 Manuel utilisateur

D-Link

D-Link DWR-720/PW Manuel utilisateur

Interquartz

Interquartz Gemini IQ333 Manuel utilisateur

SSS Siedle

SSS Siedle HT 840-0 Manuel utilisateur

Motorola

Motorola TITANIUM Manuel utilisateur

Panasonic

Panasonic ICX Manuel utilisateur

LG H870DS Manuel utilisateur

Samsung

Samsung GT-I9500 Manuel utilisateur

AT&T

AT&T Trimline 205 Manuel utilisateur

Selta

Selta zenyth 600 Manuel utilisateur

Doro

Doro AFTI 20 Manuel utilisateur

UNIQCELL

UNIQCELL A1 Manuel utilisateur

Panasonic

Panasonic KX Series Manuel utilisateur

Jabra

Jabra SP5050 - Bluetooth hands-free Speakerphone Manuel utilisateur

BT Decor 425 Manuel utilisateur

NEC

NEC SV8500 Manuel utilisateur

Teledex

Teledex PEARL Manuel utilisateur