Sony STR-DE675 Service Manual ▷ View online
7
STR-DE675
SECTION 2
TEST MODE
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
* Procedure:
While depressing the VIDEO 1 and the 2CH buttons simul-
taneously, 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 2CH buttons simul-
taneously, press the power ?/1 button again. The message
FACTORY appears and the present contents are reset to the default
values.
taneously, 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 2CH buttons simul-
taneously, press the power ?/1 button again. The message
FACTORY appears and the present contents are reset to the default
values.
AM CHANNEL STEP 9 KHZ/10 KHZ
SELECTION MODE
SELECTION MODE
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Set the FUNCTION 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.
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 model only
DSP VERSION DISPLAY MODE
* DSP version is displayed.
* Procedure :
* Procedure :
While depressing the MD/TAPE and the A.F.D buttons simul-
taneously, press the power ?/1 button to turn on the main power.
“ DSP ”and the version are displayed.
taneously, press the power ?/1 button to turn on the main power.
“ DSP ”and the 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.
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.
taneously, press the power ?/1 button to turn on the main power.
1. All segments turn on.
All LED turn on.
2. Press the VIDEO 1 button, confirm display
MULTI CHANNEL DECODING (blue), Digital Cinema Sound ,
LEVEL , SET UP , A.F.D and MODE LED turn on.
LEVEL , SET UP , A.F.D and MODE LED turn on.
3. Press the VIDEO 1 button, confirm display
EQ , SUR , NAME and 2CH 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 , DVD/LD , TV/SAT , MD/TAPE , CD ,
TUNER and AUX can be used.)
(Not only the VIDEO 1 button, but also the other buttons such
as VIDEO 2 , DVD/LD , TV/SAT , MD/TAPE , CD ,
TUNER and AUX 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.
completion of repair.
* Procedure:
While depressing the SOUND FIELD MODE button, press the
power ?/1 button to turn on the main power. The message
SURR. CLR. appears and initialization is performed.
power ?/1 button to turn on the main power. The message
SURR. CLR. appears and initialization is performed.
DEMONSTRATION MODE
* Demonstration is performed.
* Procedure :
* Procedure :
While depressing the SET UP button, press the power ?/1
button. The message appears and demonstration is performed.
button. The message appears and demonstration is performed.
* To finish DEMONSTRATION MODE, press the power ?/1
button while the introduction message appears in the display.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
* Procedure:
While depressing the TUNER and the SHIFT buttons
simultaneously, press the power ?/1 button to turn on the main
power. The model name, destination and the software version are
displayed.
simultaneously, press the power ?/1 button to turn on the main
power. The model name, destination and the software version are
displayed.
KEY CHECK MODE
* Button check
* Procedure:
* Procedure:
While depressing the VIDEO 1 and the SHIFT buttons
simultaneously, press the power ?/1 button to turn on the main
power.
“REST 37” appears.
Every pressing of any button other than ?/1 and SPEAKERS
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 is rotated in clockwise direction,
“VOL MIN”, “VOL 1” to “VOL 48”, “VOL MAX” appear.
simultaneously, press the power ?/1 button to turn on the main
power.
“REST 37” appears.
Every pressing of any button other than ?/1 and SPEAKERS
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 is rotated in clockwise direction,
“VOL MIN”, “VOL 1” to “VOL 48”, “VOL MAX” appear.
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.
ft.
8
STR-DE675
DSP TEST MODE
* DSP tests are performed.
* Procedure :
1. While depressing the LEVEL and CD buttons simultaneously,
* Procedure :
1. While depressing the LEVEL and CD buttons simultaneously,
press the power ?/1 Button to turn on the main power.
2. Press the NAME button.
3. Select the item by pressing Cursor button ( < or > ).
4. Select the function by turning Jog dial if selection is necessary.
3. Select the item by pressing Cursor button ( < or > ).
4. Select the function by turning Jog dial if selection is necessary.
Items
SWAP
DSP communication
Bass Management
Main Speaker cut off Freq.
LFE cut off Freq.
Co-ef. Read Address
Co-ef. Read Data
Co-ef. Write Address
Co-ef. Write Data
SRAM
Remark
Selection of setting
output channels
Checking communication
between DSP and microcom
Checking communication
between DSP and SRAM
Description
Normal channel output
Left input
t Front Left, Surround Left, Center channel output
Right input t Front Right, Surround Right, Sub Woofer channel output
Left input
t Center channel output
Right input t Sub Woofer channel output
Left input
t Surround Left channel output
Right input t Surround Right channel output
When this item is selected the message will be displayed “ OK ” if the
checking is correct. “ ERROR ” will be displayed in a case of an error.
Not used for service
Not used for service
Not used for service
Not used for service
Not used for service
Not used for service
Not used for service
“ RAMC. OFF ” will be displayed in a case of no checking.
By turning Jog dial “ RAMC. EXE ” will be displayed during the
checking.
After a while “ RAMC. PASS ” will be displayed if the checking is good.
“ RAMC. NG ” will be displayed if an error occurs.
Function
NORM
ALL
C SW
SLSR
–
–
–
–
–
–
–
–
OFF
ON
9
9
STR-DE675
SECTION 3
DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
For schematic diagrams.
Note:
Note:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
No mark : FM
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
J
: CD (ANALOG)
c
: DVD (DIGITAL)
• Abbreviation
CND : Canadian model
MY
MY
: Malaysia model
SP
: Singapore model
TW
: Taiwan model
KR
: Korea model
MX
: Mexican model
AR
: Argentina model
CH
: Chinese model
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
Note:
The components identified by
mark
The components identified by
mark
0
or dotted line with mark
0
are critical for safety.
Replace only with part number
specified.
specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
• Waveform
DIGITAL Board
DIGITAL Board
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
1
IC1101
wa
(XOUT)
4.4Vp-p
12.288MHz
2
IC1201
9
(MCLK)
3.3Vp-p
13.3MHz
3
IC1301
qf
(XO)
2.2Vp-p
4.3MHz
AC SEL board (E model)
IMPEDANCE SELECT board (US, Canadian model)
VIDEO board
DIGITAL board
TUNER UNIT
MAIN board
JOG board
DISPLAY board
HEADPHONE board
POWER SWITCH board
STBY board
S-VIDEO board
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
a
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
4
IC1601
id
(XI)
2.8Vp-p
20MHz
Ver 1.2 2003.05
10
10
STR-DE675
3-2. BLOCK DIAGRAMS – MAIN SECTION –
AUDIO IN
AUDIO IN
AUDIO IN
AUDIO IN
MULTI
CH IN
FRONT
SURROUND
CENTER
SUB WOOFER
J401
PROC.
IC201
L IN9
2
L REC3
67
L IN7
71
L IN6
70
L REC1
61
L IN1
62
51
L OUT
L IN5
69
47
SL OUT
39
C OUT
35
SW OUT
MUTING
Q361
DATA
20
CLOCK
21
LATCH
22
MUTING
Q362
MUTING
Q363
MUTING
Q364
15
CLK
16
CE
14
DATA
SYSTEM CONTROL
IC1601(2/3)
J404
DVD/LD
IN
J1101
IR LINK
DET
IC1104
3
5
6
2
IC1102
DIGITAL AUDIO
I/F RECEIVER
IC1101
L
DIN2
5
DIN0
3
DO
35
DI
36
CLK
38
CE
37
ERROR
34
XSTATE
17
XMODE
48
13
CK OUT
14
BCK
15
LRCK
16
DATAO
IC1102
X1101
12.288MHz
AUDIO DSP
IC1201
KFSI0
22
SDI2
30
HCLK
34
HCS
36
HACN
32
PM
113
BST
56
XRST
2
23
SDO1
24
SDO2
25
SDO3
BCKI2
29
LRCK2
28
IC1202
SRAM
AUDIO CODEC
IC1501
MCLK
39
CDT1
43
CCLK
42
CS
41
PD
17
SMUTE
3
27
L OUT1
BCK
4
LRCK
5
SDTO
9
SDTI1
6
SDTI2
7
SDTI3
8
25
L OUT2
23
L OUT3
24
R OUT3
LIN+
30
LIN-
29
2
1
IC1502
6
7
IC1502
ANALOG SOUND
L IN2
63
AL IN
11
SL
13
16
15
AL OUT
9
DL IN
27
29
31
32
ASL IN
ASW IN
AC IN
SL
C
SW
DSL IN
DC IN
DSW IN
A
98 97 95 96 99 100
94
1
DO
DI
CLK
CE
ERROR
XSTATE
CKSEL1
DATA0
20
HCLK
4
HCS
5
HACN
7
PM
3
BST
6
XRST
10
CDT1
12
SCL
13
CS
8
PD
9
SMUTE
24
ANA/DIG
MUTING
CONT
Q1601,1602
21
F.MUTING
MUTING
SWITCH
SWITCH
Q379
49
MD0
50
MD1
51
MD2
28
SP SW/FLASH 1
27
FLASH 2
MD0
VDD
MD2
FLASH 1
FLASH 2
RESET
+3.3V
CNS3
B
J403
J402
CD
AUX
MD/TAPE
DVD/LD
TV/SAT
AUDIO OUT
IR LINK
DET
IC1105
TV/SAT
IN
DIN1
4
IR LINK
DET
IC1106
MD/TAPE
IN
IR LINK
DET
IC1107
MD/TAPE
OUT
DOUT
2
DVD/LD
IN
• Signal Path
• R-CH is omitted due to same as L-CH.
: FM
: CD(ANALOG)
: DVD (DIGITAL)
5
6
7
IC1103
SELECTOR
7
OPTICAL IN SELECT
22
21
XIN
XOUT
93
XMODE
CKSEL1
47
GP9
68
HD OUT
35
HD IN
33
2
GP9
18
HD OUT
19
HD IN
9
MCLK1
12
MCLK2
X1201
13.5MHz
14
SCK OUT
20
BCKO1
19
LRCKO
18
SDI1
24
AUDIO
GP8
69
EXLOCK
59
L IN10
3
L IN8
1
S139
SPEAKERS
FLASH
PROGRAMMING
92
TUNER UNIT
FM
75
Ω
COAXIAL
AM
R-CH
DATA
DO
CLOCK
CE
STEREO
TUNED
MUTING
FM
AM
DET OUT
R CH
L CH
2
4
14
16
13
X1301
4.33MHz
RDS
IC1301
AEP,UK MODEL ONLY
SYSTEM CONTROL.
IC1601(1/3)
DO
76
J200
V1 OUT
15
V1 IN
13
M OUT
1
14
SW1
VIDEO SELECT
IC103
VIDEO OUT
VIDEO OUT
VIDEO 1
MONITOR
— TM301 —
J201
TV
5
LD
3
V2 IN
9
DVD/LD
VIDEO 2
VIDEO 1
VIDEO 1
VIDEO 1
VIDEO 2
CTRL A1 II
VIDEO IN
VIDEO IN
VIDEO IN
VIDEO IN
S VIDEO IN
S VIDEO IN
S VIDEO IN
TV/SAT
3
1
2
IC103
IC1603
10
SW2
6
4
5
IC1603
4
SW3
8
9
10
IC1603
6
SW4
11
12
13
IC1603
2
SW5
TV/SAT
DVD/LD
J1802
J1803(1/2)
Y
C
Y
C
Y
C
VIN1
12
Y SWITCH
IC1802
5
VOUT2
VIN3
1
VIN 2
3
2
SW1
13
SW2
11
MUTING1
4
MUTING2
10
VOUT1
JR1810
JR1807
JR1808
VIN1
12
C SWITCH
IC1801
5
VOUT2
VIN3
1
VIN 2
3
2
SW1
13
SW2
11
MUTING1
4
MUTING2
10
VOUT1
S VIDEO OUT
S VIDEO OUT
MONITOR
J1803(2/2)
J1804
Y
C
Y
C
SDATA
86
SCLK
78
SLATCH
87
STEREO
73
TUNED
74
MUTING
75
RDS DATA
53
RDS CLK
52
CONTROL A1 IN
65
CONTROL A1 OUT
64
MUTING2
91
MUTING1
90
S2
89
S1
88
BUFFER
Q1607
J1801
US, Canadian, Mexican models
IN
OUT
IN
IN
COAXIAL
OPTICAL
DIGITAL
ANTENNA
+5V
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