Sony IT-B9 Service Manual page 2
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Also See for IT-B9:
- Operating instructions manual (28 pages) ,
- Operating instructions manual (29 pages)
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3-2. SCHEMATIC DIAGRAM • Refer to page 9 for IC Block Diagrams.
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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.
• All resistors are in Ω and
1
/
W or less unless otherwise
4
specified.
• C : panel designation.
• U : B+ Line.
• Power voltage is dc 12 V and fed with regulated dc power
supply from JP1 with 100 Ω in series.
• Voltage is dc with respect to ground under no-signal
condition.
no mark : OFF HOOK
(
) : ON HOOK
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
N
: RX
O
: TX
• Abbreviation
CND : Canadian model.
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IT-B9
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