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Model
STR-DE590
Pages
50
Size
5.32 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-de590.pdf
Date

Sony STR-DE590 Service Manual ▷ View online

9
STR-DE590
6
 MAIN board
1
 CNP802 (5P)
4
 screw
(BVTP3 x 6)
2
 two screws
(BVTP3 x 6)
3
 two screws
(BVTP3 x 6)
5
 two screws
(BVTP3 x 6)
2-6. MAIN BOARD
10
STR-DE590
SECTION 3
TEST MODE
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the [PRESET TUNING +] and the [MUSIC] but-
tons simultaneously, press the  
?/1
  button to turn on the main
power.
The message “CLEARED” appears for a moment and the present
contents are reset to the default values.
SPEAKER SIZE SELECTION MODE
* Either the normal speaker or micro satellite speaker can be
selected.
* Procedure:
While depressing the [MAIN MENU] button, press the  
?/1
  but-
ton to turn on the main power.
Either the message “NORM. SP.” or “MICRO SP.” appears for a
moment and select the desired speaker size.
FLUORESCENT INDICATOR TUBE TEST MODE
* All fluorescent segments are tested.
When this test is activated, all segments light on at the same
time, then each segment lights on one after another.
* Procedure:
While depressing the [MOVIE] and the [INPUT MODE] buttons
simultaneously, press the  
?/1
  button to turn on the main power.
1. ALL segments light on.
SOUND FIELD CLEAR MODE
* The preset sound field is cleared when this mode is activated.
Use this mode before returning the product to clients upon
completion of repair.
* Procedure:
While depressing the [2CH] button, press the  
?/1
  button to turn
on the main power.
The message “SF. CLR.” appears for a moment and initializa-
tion is performed.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the [A.F.D.] and the [MUSIC] buttons simulta-
neously, press the  
?/1
  button to turn on the main power.
The model name, destination and the software version are dis-
played for a moment.
KEY CHECK MODE
* Button check
* Procedure:
While depressing the [MOVIE] and the [MUSIC] buttons simulta-
neously, press the  
?/1
  button to turn on the main power.
Either the message “REST 14” appears.
Every pressing of any button other than the  
?/1
  counts down
the buttons. The buttons which are already counted once are not
counted again. When all buttons are pressed “REST 00” appears.
When [MASTER VOLUME] control is rotated in clockwise direc-
tion, “VOL MIN”, “VOL 1” to “VOL 73”, “VOL MAX” ap-
pears for a moment.
SW
L
SL
C
R
SSB
SR
L F E
dB
kHz
mft.
MHz
D D
D D
SP
SP A
SP B
OPT
SLEEP
COAX MULTI CH IN 12 D.RANGE EQSTEREOMONORDS
DIGITAL
MEMORY
EX
PROLOGICII DTS-ES
NEO:6 MPEG-2 AAC
COMMAND MODE SELECTION MODE
* The command mode (AV1 or AV2) of the remote commander
can be selected.
* Procedure:
While depressing the [MEMORY/ENTER] button, press the  
?/1
button to turn on the main power.
Either the message “C.MODE.AV 1” or “C.MODE.AV 2” ap-
pears for a moment and select the desired mode.
11
STR-DE590
SECTION 4
DIAGRAMS
4-1. CIRCUIT BOARDS LOCATION
BRIDGEABLE board
MAIN board
VIDEO board
DIGITAL board
VOLUME board
HEADPHONE board
STANDBY board
FUNCTION board
DISPLAY board
12
STR-DE590
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in 
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
2
: nonflammable resistor.
5
: fusible resistor.
C
: panel designation.
A
: B+ Line.
B
: B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: CD (ANALOG)
c
: CD (DIGITAL)
for printed wiring boards:
• X
: parts extracted from the component side.
f
: internal component.
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
Note:
The components identified
by mark 
0
 or dotted line with
mark 
0
 are critical for safety.
Replace only with part num-
ber specified.
• Waveforms (DIGITAL Board)
3.4Vp-p
1V/DIV, 50nsec/DIV
12.288MHz
3.4Vp-p
1V/DIV, 0.2
µ
sec/DIV
3.07MHz
3.2Vp-p
1V/DIV, 50nsec/DIV
12.288MHz
4.4Vp-p
1V/DIV, 50nsec/DIV
12.288MHz
3.4Vp-p
1V/DIV, 50nsec/DIV
13.59MHz
3.4Vp-p
1V/DIV, 50nsec/DIV
12.288MHz
2.5Vp-p
7
IC1601 
id
 (X1)
1V/DIV, 50nsec/DIV
16MHz
6
IC1201 
qf
 (SCKOUT)
5
IC1201 
qs
 (MCLK2)
4
IC1501 
el
 (MCLKI)
3
IC1101 
wa
 (XOUT)
2
IC1101 
qf
 (BCK)
1
IC1101 
qd
 (CKOUT)
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