– 2 –
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
3
2.
GENERAL
...................................................................
4
3.
DISASSEMBLY
.........................................................
5
4.
TEST MODE
...............................................................
7
5.
DIAGRAMS
5-1. Note for Printed Wiring Boards and
Schematic Diagrams .......................................................
9
5-2. Printed Wiring Board – MAIN Board – ........................ 11
5-3. Schematic Diagram – MAIN Board (1/2) – .................. 13
5-4. Printed Wiring Boards
– DISPLAY Board/KEY Board/VOLUME Board/
TONE Board/POWER SWITCH Board – ................... 15
5-5. Schematic Diagram
– PANEL Section – ......................................................... 19
5-6. Printed Wiring Boards
– PANEL Section – ......................................................... 23
5-7. Schematic Diagram
– MAIN Board (2/2)/SPK SWITCH Board/
SECONDARY Board/PRIMARY Board/
STANDBY TRANS Board – ....................................... 25
5-8. IC Pin Function Description ........................................... 26
6.
EXPLODED VIEWS
................................................ 28
7.
ELECTRICAL PARTS LIST
............................... 31
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED
LINE WITH MARK
!
ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
Antenna
Loop antenna
Intermediate frequency
450 kHz
Usable sensitivity
50 dB/m (at 1,000 kHz)
S/N
54 dB (at 50 mV/m)
Harmonic distortion
0.5 % (50 mV/m, 400Hz)
Selectivity
At 10 kHz: 40 dB
At 9 kHz: 35 dB (US model)
35 dB (AEP, UK models)
* You can change the AM tuning interval between 9 kHz and 10kHz.
After tuning in any AM station, turn off the receiver. Hold down the
PRESET button and press the
1
/
u
(power) button. All pre-
set stations will be erased when you change the interval. To reset the
interval, repeat the procedure.
(US model)
General
System
Tuner section:
PLL quartz-locked digital
synthesizer system
Preamplifier section:
Low-noise NF type equalizer
Power amplifier section:
Pure-complementary SEPP
Power requirements
120 V AC, 60 Hz (US model)
230 V AC, 50/60 Hz
(AEP, UK models)
Power consumption
155 W (US model)
135 W (AEP, UK models)
AC outlets
1 switched, total 120 W/1A Max
(US, UK models)
switch 100 W max (AEP model)
Dimensions
430
×
144
×
306 mm
(17
× 5
6
/
8
× 12
4
/
8
inches)
Mass (Approx.)
8.1 kg (17 lb 13 oz) (US model)
6.7 kg (AEP, UK models)
Supplied accessories
FM wire antenna (1)
AM loop antenna (1)
Remote commander (remote) (1)
Size AA (R6) batteries (2)
Specifications indicated are measured at 230 V AC, 50Hz.
(AEP, UK models)
Design and specifications are subject to change without notice.
