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Model
STR-DE685
Pages
58
Size
6.26 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-de685.pdf
Date

Sony STR-DE685 Service Manual ▷ View online

10
STR-DE685
2-5. DIGITAL BOARD
1
CNS4
5
CNS1
6
CNS2
2
CNP6
3
CNP5
8
screw (BVTP3 x 8)
9
bracket (digital)
7
DIGITAL board
4
screw (BVTP3 x 8)
2-4. BACK PANEL SECTION
1
CNS7
2
CNS8
3
CNP901
7
CNP154
5
CNP852
6
CNP155
4
CNP851
8
five screws
(BVTP3 x 8)
qs
two screws
(BVTP3 x 8)
0
two screws
(BVTP3 x 8)
9
five screws
(BVTP3 x 8)
qa
screw (BVTP3 x 8)
qd
screw (BVTP3 x 8)
qf
screw (BVTP3 x 8)
qg
screw 
      (BVTP3 x 8)
qh
back panel (DE6)
11
STR-DE685
7
MAIN board
1
CNP801
2
CNP802
5
screw
(BVTP3 x 8)
3
two screws
(BVTP3 x 6)
4
two screws
(BVTP3 x 6)
6
two screws
(BVTP3 x 8)
2-7. MAIN BOARD
6
STANDBY board
1
CNP915
2
CNP902
4
CNP912
3
CNP903
5
three screws
      (BVTP3 x 8)
2-6. STANDBY BOARD
12
STR-DE685
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the [ENTER] and the SOUND FIELD [A.F.D.]
buttons simultaneously, press the power  
?/1
  button to turn on
the main power.  The model name, destination and the software
version are  displayed.
FLUORESCENT INDICATOR TUBE TEST MODE
* All fluorescent segments are tested.  When this test is activated,
all segments turn on at the same time, then each segment turns
on one after another.
* Procedure:
While depressing the [MD/TAPE] and the [SHIFT] buttons simul-
taneously, press the power  
?/1
  button to turn on the main power.
1. All segments turn on.
[MULTI CHANNEL DECODING], [Digital Cinema Sound], SOUND
FIELD  [A.F.D.], SOUND FIELD [MODE], SOUND FIELD
[2CH] and [SET UP] LED turn on.
2. Press the [VIDEO 1] button, confirm display
SOUND FIELD [A.F.D], SOUND FIELD [MODE],  [LEVEL],
[SET UP] and [Digital Cinema Sound] LED turn on.
3. Press the [VIDEO 1] button, confirm display
[MULTI CHANNEL DECODING], SOUND FIELD [2CH], [SURR],
[EQ] and [NAME] LED turn on.
4. Press the [VIDEO 1] button, All segments turn off.
5. Every pressing of 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],  [VIDEO 3],  [DVD/LD],  [MD/TAPE], [CD/SACD],
[TUNER] and [AUX] can be used.)
SECTION 3
TEST MODE
SW
L
SL
C
R
S
SR
SLEEP
SP.OFF
( ( ( L F E ) ) )
DIGITAL
OPT COAX MULTI CH IN
PRO LOGIC DTS MPEGSTEREO MONO RDS
MEMORY
MUTING
INFO
NEWS
TA
EQ
D.RANGE
D D
dB
kHz
mft.
MHz
SW
L
R
S
SLEEP
 L F E 
COAX
PRO LOGIC
MPEGSTEREO
RDS
MUTING
INFO
TA
D.RANGE
D D
k    
m   
MHz
SL
C
SR
SP.OFF
( ( (       ) ) )
DIGITAL
OPT
MULTI CH IN
DTS
MONO
MEMORY
NEWS
EQ
dB
  Hz
   ft.
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the [VIDEO 1] and the SOUND FIELD [2CH]
buttons simultaneously, press the power  
?/1
  button to turn on
the main power.  The message FACTORY appears and switch
off the set.
While depressing the [VIDEO 1] and the SOUND FIELD [2CH]
buttons simultaneously, press the power  
?/1
  button again.  The
message “FACTORY” appears and the preset contents are reset
to the default values.
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 SOUND FIELD [MODE] button, press the
power  
?/1
  button to turn on the main power.  The message “S.
F. CLR” appears and initialization is performed.
AM CHANNEL STEP 9 kHz/10 kHz
SELECTION MODE
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Set the [TUNER] to [AM].  Turn off the main power.
While depressing the [TUNING +] button or the
[PRESET TUNING    ] button, press the power  
?/1
  button to turn
on the main power.  Either the message 9 k STEP or 10 k STEP
appears.  Select the desired step.
* For US, Canadian, E, Mexican and Argentina model only
KEY CHECK MODE
* Button check
* Procedure:
While depressing the [VIDEO 1] and the [SHIFT] buttons simul-
taneously, press the power  
?/1
  button to turn on the main power.
“REST 39” appears.
Every pressing of any button other than the  
?/1
 , [EQUALIZER]
and the [MULTI CH IN] counts down the buttons.  The buttons
which are already counted once are not counted again.  When all
buttons are pressed “REST 04” appears.
When [MASTER VOLUME] is rotated in clockwise direction,
“VOL MIN”, “VOL 1” to “VOL 73”, “VOL MAX” appear.
13
STR-DE685
SECTION 4
DIAGRAMS
1
VSS
Ground
2
XRST
I
Reset signal input
3
EXTIN
I
Not used (connected to ground)
4
FS2
I
Not used (connected to ground)
5
VDDI
I
Power supply
6
FS1
I
Not used (connected to ground)
7
PLOCK
O
Internal PLL lock signal output (Not used)
8
VSS
Ground
9
MCLK1
I
Clock signal input (13.5 MHz)
10
VDDI
I
Power supply
11
VSS
Ground
12
MCLK2
O
Clock signal output (13.5 MHz)
13
MS
I
Switching of master/slave operation   L : internal clock, H : EXTIN clock is used
14
SCKOUT
O
Internal system clock signal output
15
LRCKI1
I
Not used (open)
16
VDDE
I
Power supply
17
BCKI1
I
Not used (open)
18
SDI1
I
Audio IF data input
19
LRCKO
O
Sampling clock output for digital audio serial data
20
BCKO
O
Bit clock output terminal for digital audio serial data
21
VSS
Ground
22
KFSIO
I/O
Audio clock signal (364fs/256fs) input/output
23 to 25
SDO1 to SDO3
O
Digital audio serial data output
26
SDO4
O
Audio IF serial output (Not used) (open)
27
SPDIF
O
Not used (open)
28
LRCKI2
I
Sampling clock input for audio serial data
29
BCKI2
I
Bit clock input terminal for audio serial data
30
SDI2
I
Digital audio data input
31
VSS
Ground
32
HACN
O
Acknowledge signal output for system control
33
HDIN
I
Serial data input for system control
34
HCLK
I
Clock input for system control
35
HDOUT
O
Serial data output for system control
36
HCS
I
Chip select input for system control
37
SDCLK
O
Not used (open)
38
CLKEN
O
Not used (open)
39
RAS
O
Not used (open)
40
VDDI
I
Power supply
41
VSS
Ground
42
CAS
O
Not used (open)
43
DQM/OE0
O
Not used (open)
44
CS0
O
External memory chip select (SRAM)
45
WE0
O
SRAM write enable output
46
VDDE
I
Power supply
47
WMD1
I
Not used (connected to “H”)
48
VSS
Ground
49
WIMD0
I
Not used (connected to ground)
50
PAGE2
O
Not used (open)
51
VSS
Ground
52
PAGE1
O
External memory page switching signal output (Not used)
53
PAGE0
O
External memory page switching signal output (Not used)
4-1. IC PIN DESCRIPTIONS
• IC1201  CXD9617R (DSP) (DIGITAL Board (1/2))
Pin No.
Pin Name
I/O
Description
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