Sony IT-B9 Service Manual
IT-B9
SERVICE MANUAL
Photo : Gray type
SPECIFICATIONS
Dial signal Tone, 10 PPS (pulse) selectable
Dimensions Approx. 165.5 × 84 × 219 mm (w/h/d)
(Approx. 6 5/8 × 3 3/8 × 8 5/8 inches)
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.
Canadian Model
E Model
MICROFILM
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.
TELEPHONE
– 1 –
– 2 –
SECTION 1
GENERAL
This section is extracted
from instruction manual.
SECTION 2
0
h
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
2-1. CABINET (LOWER)
2
BTP 3X10
1
BTP 3X1
2-2. KEY BOARD
1
BTP 2.6X6
2
KEY board
3
rubber key switc
4
button (12 key)
3
JP110
2-3. MAIN BOARD
2
BTP 2.6X6
3
BTP 2.6X6
1
1
cabinet (lower)
4
MAIN board
5
modular jack
JP2
– 3 – – 4 –
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