Sony ICF-SW7600GR - Portable Radio User Manual

1313
ICF-SW7600GR
4-5. SCHEMATIC DIAGRAM – MAIN BOARD (2/2) –
• Refer to page 16 for IC Block Diagrams.
Note on Schematic Diagram:
• 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
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
• C : panel designation.
• A : B+ Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F : FM
L : MW/LW
h : SW
• Abbreviation
CH : Chinese model
EA : Saudi Arabia model
IC B/D
IC B/D
IC B/D
IC B/D
1
2
1 IC201 wd
100 mVp-p
18.1 ns
550 ns
2 Q216 Collector
4.4 Vp-p
• WAVEFORMS

Sony ICF-SW7600GR - Portable Radio Specifications

General

Manufacturer	Sony
Model	ICF-SW7600GR
Display	LCD
Type	Portable Radio
Power Source	4 AA batteries or AC adapter
Features	SSB reception
Tuning Modes	Manual, Scan, Preset
Antenna	Telescopic antenna for FM/SW, built-in ferrite bar antenna for LW/MW
Speaker	Built-in
Headphone Jack	3.5 mm
Tuning Steps	FM: 0.05 MHz, SW: 1 kHz, MW: 9/10 kHz, LW: 9 kHz
Weight	617 g (1 lb 6 oz) including batteries