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TABLE OF CONTENTS
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH
MARK 0 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
PUBLISHED BY SONY.
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.Flexible Circuit Board Repairing
- Keep the temperature of soldering iron around 270˚C
during repairing.
- Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
- Be careful not to apply force on the conductor when soldering
or unsoldering.
SERVICE NOTE
- When you want raise the DAC board in order to perform any
repair work, use the jig as shown.
Note:Route the AC power cord making a loop so that the AC power cord
is routed around the screw hole.
Jig No.
(J-2501-009-A)
DAC boar
d
AC power cord
SERVICE NOTE ·····································································2
1. GENERAL ··········································································3
2. DISASSENBLY ·································································9
3. TEST MODE ····································································13
4. DIAGRAMS
4-1. Circuit Boards Location··············································17
4-2. Block Diagram Digital Section·······························18
4-3. Block Diagram Main/Power Section·······················19
4-4. Printed Wiring Board Digital Section·····················20
4-5. Schematic Diagram Digital Section (1/2)···············22
4-6. Schematic Diagram Digital Section (2/2)···············23
4-7. Printed Wiring Board DAC Section························24
4-8. Schematic Diagram DAC Section (1/2)··················26
4-9. Schematic Diagram DAC Section (2/2)··················27
4-10. Schematic Diagram Display Section·······················28
4-11. Printed Wiring Board Display Section····················29
4-12. Schematic Diagram Main/Power Section················30
4-13. Printed Wiring Board Main/Power Section·············31
4-14. IC Pin Function···························································32
4-15. IC Block Diagrams······················································33
5. EXPLODED VIEWS
5-1. MAIN SECTION························································36
5-2. CHASSIS SECTION···················································37
6. ELECTRICAL PARTS LIST ·······································38
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SECTION 1
GENERAL This section is extracted
from instruction manual.
10
GB
Front Panel Parts
Description 1?/1 switch
Press to turn the receiver on and off.
To avoid damaging your speakers, be sure to rotate the
VOLUME control counterclockwise immediately after
you turn on the receiver.
STANDBY indicator
Lights up when the receiver is turned off.
2Remote sensor
When using the supplied remote, point it towards this
sensor (
).
3SLEEP indicator
Lights up when the Sleep Timer function is activated
(page 24).
4H.A.T.S. indicator
Lights up during H.A.T.S. (High-quality digital Audio
Transmission System) function is activated (page 25).
5DISPLAY button
Press repeatedly to change the information in the
display window as follows:
v
Index name of the component
1)
v
Model name of the component
2)
When the built-in tuner is selected
v
Index name of the preset station
1) or program
station name3)
v
Frequency
1) An index name appears only if one has been assigned to the
selected component or preset station (page 22).
2) If the model name isnt known, the category of the component
appears (e.g., CD or MD). If the category isnt known,
Unknown appears.
3) Appears only during RDS reception (page 18).
When you press the DISPLAY button while the Ping
function is on, N N n n appears for a few
seconds in the display of the currently selected
component (page 25).
Location of
Parts This chapter provides information
about the location and function of the
buttons and controls on the front
panel and supplied remote.
11
GB
Location kf Parts
6Display
Shows various types of information.
7BAND/< button
Selects the FM or AM band. If you press this button
while the receiver is turned off, the receiver
automatically turns on and tunes to the station that
was last received.
Use this button to move the cursor when entering an
index name for a component or preset station.
8TUNE MODE/> button
When the built-in tuner is selected, press to select the
tuning mode. The mode indication appears in the
display as follows: To select Press TUNE MODE repeatedly
to light up
Manual TuningMANUAL Automatic Tuning AUTO Preset Tuning PRESET Use this button to move the cursor when entering an
index name for a component or preset station.
9Jog dial
Rotate to select the program source, tune to stations,
preset the stations, enter index names, or change
settings.
q;JOG MENU button
Press repeatedly to change the jog dial function. The
indication corresponding to the jog dial function
appears in the display as follows: To Press JOG MENU repeatedly to
display
Select a componentA component name Adjust the sound Sound Menu Make various settingsSetup Menu Receive broadcasts* Station name or frequency *Selectable only when the built-in tuner is selected.
After a component name appearsRotate the jog dial to select the component you want to use. After Sound Menu appearsYou can use the jog dial and ENTER button to adjust the
sound (page 14). After Setup Menu appearsYou can use the jog dial and ENTER button to preset radio
stations (page 19), name preset stations or connected
components (page 22), or make other settings (page 24). After a station name or frequency appearsYou can use the jog dial to select a preset station (page 20) or
tune to a radio station either manually (page 18) or
automatically (page 19). qaENTER button
Press to enter a setting made with the jog dial.
qsVOLUME control
After turning on the selected component, rotate to
adjust the volume.
qdMUTING indicator
Lights up when the MUTING button on the supplied
remote is pressed.
qfi connector
Connects headphones. When the headphones are
connected, the kutput to the speakers is automatically
cut off.
i
IBANDTUNE MODE JOG MENU
ENTER
MUTING
VOLUME
STANDBY SLEEP H.A.T.SDISPLAY ?/1
A
NM BECD GFHJKLI