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Model
STR-DE497
Pages
50
Size
5.08 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-de497.pdf
Date

Sony STR-DE497 Service Manual ▷ View online

9
STR-DE497
2-4. DIGITAL BOARD
4
 CNS1
5
 CNS2
1
 CNP6
2
 CNP5
8
 bracket (digital)
6
 DIGITAL board
3
 screw
(BVTP3 x 8)
7
 screw
(BVTP3 x 8)
7
 STANDBY board
1
 CNP915
4
 CNP804
5
 CNP903
2
 CNP802
3
 CNP902
6
 three screws
 
(BVTP3 x 8)
2-5. STANDBY BOARD
10
STR-DE497
3
 screw
(BVTP3 x 6)
1
 two screws
(BVTP3 x 6)
2
 two screws
(BVTP3 x 6)
4
 two screws
(BVTP3 x 6)
5
 MAIN board
2-6. MAIN BOARD
11
STR-DE497
SECTION 3
TEST MODE
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the [MAIN MENU] and the [PRESET TUNING
--] buttons simultaneously, press the  
?/1
  button to turn on the
main power.
The message “FACTORY” appears for a moment and the present
contents are reset to the default values.
AM CHANNEL STEP 9 kHz/10 kHz SELECTION
MODE (E2 model only)
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Press the [TUNER FM/AM] button to set AM and press the  
?/1
button to turn off the main power.
While depressing the [TUNING +] button or the
[PRESET TUNING +] button, press the  
?/1
  button to turn on the
main power.
Either the message “9k STEP” or “10k STEP” appears for a
moment and select the desired step.
SPEAKER SIZE SELECTION MODE
* Either the normal speaker or micro satellite speaker can be se-
lected.
* Procedure:
While depressing the [DIMMER] button, press the  
?/1
  button 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 [>] buttons simultaneously,
press the  
?/1
  button to turn on the main power.
1. ALL segments light on.
[2CH], [A.F.D.], [MOVIE], [MUSIC] and [MULTI CHANNEL DE-
CODING] LED light on.
2. Press the [VIDEO 1] button, confirm display.
[A.F.D.] and [MUSIC] LED light on.
3. Press the [VIDEO 1] button, confirm display.
[2CH], [MOVIE] and [MULTI CHANNEL DECODING] LED light
on.
4. Press the [VIDEO 1] button, all segments and all LEDs light off.
5. Every pressing the [VIDEO 1] button turns on each segment and
LED one after another in the same order.
(Not only the [VIDEO 1] button, but also the other buttons such
as [VIDEO 2], [DVD], [MD/TAPE], [SA-CD/CD] and [TUNER FM/
AM] can be used.)
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 [FM MODE] and the [DISPLAY] buttons si-
multaneously, 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 [TUNER FM/AM] and the [A.F.D.] buttons
simultaneously, press the  
?/1
  button to turn on the main power.
Either the message “REST 27” 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.
AUTOBETICAL MODE (AEP, UK model only)
* When this mode is used, the receiver scans the broadcasts that
can be received by the tuner, and sets up the broadcasts.
Be sure to start scanning after connecting the antenna.
* Procedure:
Check that the antenna is connected.
While depressing the [MEMORY] button, press the  
?/1
  button
to turn on the main power.
The message “AUTO-BETICAL SELECT” appears for a mo-
ment and the receiver starts scanning.
COMMAND MODE SELECTION MODE
* The command mode (AV1 or AV2) of the remote commander
can be selected.
* Procedure:
While depressing the [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.
L
SW
C
R
SL
S
SR
SBL SB SBR
LFE
SP A 
SP B  SLEEP  OPT  COAX   MULTI CH IN  96/24
DIGITALEX
PRO LOGIC II x DTS-ES NEO:6 MPEG-2 AAC RDS
D.RANGE EQ STEREO MONO
D D
D D
dB
kHz
mft.
MHz
MEMORY
DIRECT
L
SW
R
S
SB
LFE
SP A 
SP B  SLEEP  OPT  COAX   MULTI CH IN  96/24
DIGITALEX
PRO LOGIC II x DTS-ES NEO:6 MPEG-2 AAC RDS
D.RANGE EQ STEREO MONO
D D
D D
dB
kHz
mft.
MHz
MEMORY
DIRECT
C
SL
SR
SBL
SBR
SP A 
SP B  SLEEP  OPT  COAX   MULTI CH IN  96/24
DIGITALEX
PRO LOGIC II x DTS-ES NEO:6 MPEG-2 AAC RDS
D.RANGE EQ STEREO MONO
D D
D D
kHz
mft.
MHz
MEMORY
DIRECT
12
STR-DE497
SECTION 4
DIAGRAMS
4-1. IC PIN DESCRIPTIONS
• IC1201 CXD9617R (DSP) (DIGITAL Board (1/2))
Pin No.
Pin Name
I/O
Pin Description
1
VSS
Ground
2
XRST
I
Reset signal input from SYSTEM CONTROL IC
3
EXTIN
I
Not used (Connect to ground)
4
FS2
I
Not used (Connect to ground)
5
VDDI
I
Power supply pin (+2.6 V)
6
FS1
I
Not used (Connect to ground)
7
PLOCK
O
Not used (Open)
8
VSS
Ground
9
MCLK1
I
Clock signal input (13.59 MHz)
10
VDDI
I
Power supply pin (+2.6 V)
11
VSS
Ground
12
MCLK2
O
Clock signal output (13.59 MHz)
13
MS
I
Not used (Connect to ground)
14
SCKOUT
O
Internal system clock signal output for CODEC IC
15
LRCKI1
I
Not used (Open)
16
VDDE
I
Power supply pin (+3.3 V)
17
BCKI1
I
Not used (Open)
18
SDI1
I
Audio IF data input from CODEC IC
19
LRCKO
O
Sampling clock signal output for CODEC IC
20
BCKO
O
Bit clock signal output for CODEC IC
21
VSS
Ground
22
KFSIO
I/O
Audio clock signal (384fs/256fs) input/output for DIR IC
23 to 25
SDO1 to SDO3
O
Digital audio serial data output for CODEC IC
26
SDO4
O
Not used (Open)
27
SPDIF
O
Not used (Open)
28
LRCKI2
I
Sampling clock signal input from DIR IC
29
BCKI2
I
Bit clock signal input from DIR IC
30
SDI2
I
Digital audio serial data input from DIR IC
31
VSS
Ground
32
HACN
O
Acknowledge signal output for SYSTEM CONTROL IC
33
HDIN
I
Serial data input from SYSTEM CONTROL IC
34
HCLK
I
Clock signal input from SYSTEM CONTROL IC
35
HDOUT
O
Serial data output for SYSTEM CONTROL IC
36
HCS
I
Chip select signal input from SYSTEM CONTROL IC
37
SDCLK
O
Not used (Open)
38
CLKEN
O
Not used (Open)
39
RAS
O
Not used (Open)
40
VDDI
I
Power supply pin (+2.6 V)
41
VSS
Ground
42
CAS
O
Not used (Open)
43
DQM/OE0
O
Not used (Open)
44
CS0
O
External memory chip select signal output for D/A converter IC (SRAM)
45
WE0
O
SRAM write enable signal output for D/A converter IC
46
VDDE
I
Power supply pin (+3.3 V)
47
WMD1
I
Not used (Fixed at H)
48
VSS
Ground
49
WMD0
I
Not used (Fixed at H)
50
PAGE2
O
Not used (Open)
51
VSS
Ground
52, 53
PAGE1, PAGE0
O
Not used (Open)
54
BOOT
I
Not used (Connect to ground)
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