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Sony IT-B9 Service Manual

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SERVICE MANUAL

MICROFILM

Photo : Gray type

SPECIFICATIONS

Dial signal

Tone, 10 PPS (pulse) selectable

Approx. 165.5 × 84 × 219 mm (w/h/d)

Dimensions

(Approx. 6

Mass

Approx. 530 g

(Approx. 1 lb. 3 oz.)

Supplied accessories

Telephone line cords (2) (Canadian)

Telephone line cord (1) (E)

Wall bracket (1) (Canadian)

Design and specifications are subject to change without notice.

– 1 –

× 3

× 8

inches)

5/8

3/8

5/8

Notes on Chip Component Replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

IT-B9

Canadian Model

E Model

TELEPHONE

Page 1 IT-B9 SERVICE MANUAL Canadian Model E Model Photo : Gray type SPECIFICATIONS Dial signal Tone, 10 PPS (pulse) selectable Approx. 165.5 × 84 × 219 mm (w/h/d) Dimensions × 3 × 8 (Approx. 6 inches) Mass Approx. 530 g (Approx. 1 lb. 3 oz.)
Page 2 IT-B9 3-2. SCHEMATIC DIAGRAM • Refer to page 9 for IC Block Diagrams. CAUTION FOR CONTINUED PROTECTION AGAINST FIRE, RE- PLACE ONLY WITH SAME TYPE SAME RATING FUSE. REFER TO SERVICE PERSONNEL. (0.5A/125V) Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
Page 3 SECTION 4 EXPLODED VIEW NOTE: • IC Block Diagrams • The mechanical parts with no reference • -XX and -X mean standardized parts, so • Accessories and packing materials and number in the exploded views are not supplied. they may have some difference from the hardware (# mark) list are given in •...