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Model
HT-SL7 HT-SL7A STR-KSL7 STR-SL7 TA-KSL7
Pages
41
Size
6.02 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-sl7-ht-sl7a-str-ksl7-str-sl7-ta-ksl7.pdf
Date

Sony HT-SL7 / HT-SL7A / STR-KSL7 / STR-SL7 / TA-KSL7 Service Manual ▷ View online

5
STR-KSL7/SL7/TA-KSL7
SECTION 2
TEST MODE
FACTORY SET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the  SET UP  and the  SOUND FIELD –  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  SET UP and the  SOUND FIELD –  buttons
simultaneously, 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
* 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   i  cursor 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
MICRO/NORMAL SPEAKER SELECTION MODE
* Either the micro speaker mode or normal speaker mode can be
selected.
* Procedure
Press the  ?/1  button while pressing the  +  cursor button to turn
on the power. Either the message MICRO SP. or NORM. SP.
appears. Select the derired mode.
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 +  button, press the power
?/1
  button to turn on the main power.  The message
S. F. CLR appears and initialization is performed.
DEMONSTRATION MODE
* Demonstration is performed.
* Procedure :
While depressing the  SET UP  button, press the power  ?/1
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.
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  SET UP  and the  SOUND FIELD +  buttons
simultaneously, press the power  ?/1  button to turn on the main
power.
1. All segments turn on.
DVD ,  TV ,  MULTI CH IN  and  SURR  LED turn on.
2. Press the  VIDEO  button, confirm display
AUX ,  TUNER  and  LEVEL  LED turn on.
3. Press the  VIDEO  button, confirm display
MULTI CHANNEL DECODING(blue),  VIDEO and SET UP
LED turn on.
4. Press the  VIDEO  button, All segments turn off.
5. Every pressing of the VIDEO button turns on each segment and
LED one after another in the same order.
(Not only the VIDEO button, but also the other buttons such as
DVD ,  TV ,  AUX ,  TUNER can be used.)
KEY CHECK MODE
* Button check
* Procedure:
While depressing the MUTING and the ENTER buttons
simultaneously, press the power  ?/1  button to turn on the main
power.
REST 17 appears.
Every pressing of any button other than  ?/1  counts down the
buttons.  The buttons which are already counted once are not
counted again.  When all buttons are pressed REST 00 appears.
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.
6
STR-KSL7/SL7/TA-KSL7
AUTOBETICAL MODE (TA-KSL7: AEP, UK)
* This mode is installed in the Europe models only. When this mode
is used, the receiver scans the broadcasts that can be received by
tuner, and sets up the broadcasts. Be sure to start scanning after
connecting the antenna.
Procedure:
Check that the antenna is connected. Press the ?/1 button while
pressing the  ENTER  button to turn on the power. The message
appears and scanning starts by tuner.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the  SOUND FIELD –  and the  
i  cursor buttons
simultaneously, press the power  ?/1  button to turn on the main
power.  The model name, destination and the software version are
displayed.
7
7
STR-KSL7/SL7/TA-KSL7
SECTION 3
DIAGRAMS
For schematic diagrams.
Note:
• 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.
%
: indicates tolerance.
f
: internal component.
C
: panel designation.
A
: B+ Line.
B
: B– Line.
• Voltages 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.
• Circled numbers refer to waveforms.
• Signal path.
F
: ANALOG
J
: DIGITAL
c
: DVD
• Abbreviation
CND : Canadian model
MY
: Malaysia model
SP
: Singapore model
CH
: Chinese model
MX
: Mexican model
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each block.)
Note:
The components identified by
mark 
0
 or dotted line with mark
0
 are critical for safety.
Replace only with part number
specified.
Note:
Les composants identifiés par
une marque 
0
 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
a
: Through hole.
f
: internal component.
: Pattern from the side which enables seeing.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
• CIRCUIT BOARDS LOCATION
• WAVEFORMS
– DIGITAL BOARD –
– MAIN BOARD –
– DISPLAY BOARD –
1
 
IC506 
5
2
 
IC701 
9
3
 
IC101 
id
6Vp-p
81ns
20ns/div  2V/div
6.3Vp-p
81ns
20ns/div  2V/div
5.8Vp-p
62ns
20ns/div  2V/div
5Vp-p
1.3 
µ
s
400ns/div  2V/div
4
 
IC306 
4
5
 
IC309 
wf
7.8Vp-p
20.3ns
10ns/div  2V/div
25.4Vp-p
9.8 
µ
s
µ
s/div  10V/div
6
 
Q153 collector
HEADPHONE board
POWER SW board
MAIN board
DIGITAL board
S VIDEO board
DISPLAY board
• MAIN board consists of multiple layers.
However, only the sides (layers) A and B are shown.
8
8
STR-KSL7/SL7/TA-KSL7
3-1. BLOCK DIAGRAMS
– MAIN SECTION –
• Signal Path
: ANALOG
: DIGITAL
: DVD
T DATA
T DO
T CLK
T CE
STEREO
TUNED
MUTING
DATA
DO
CLK
CE
STEREO
TUNED
MUTING
R OUT
L OUT
MULTI
CH
INPUT
J207
66
TUNED
SW2
76
SW1
75
VIDEO INH
74
65
T MUTE
67
STEREO
62
TUNER DO
60
TUNER DATA
61
TUNER CLK
59
TUNER CE
78
SW A
79
SW B
SYSTEM CONTROL
IC101(1/2)
IC502
DIGITAL AUDIO
I/F RECEIVER
IC504
DIN0
3
DIN1
4
DO
35
DI
36
CLK
38
CE
37
ERROR
34
XSTATE
17
XMODE
48
XIN
22
DIR DO
DIR DI
DIR CLK
DIR CE
ERROR
XSTATE
XMODE
13
CK OUT
14
BCK
15
LRCK
16
DATAO
1
7
IC506
X501
12.288MHz
AUDIO DSP
IC701
SDIA1
85
SO
67
SI
68
SCK
69
CS
66
CSB
65
IC
62
XI
8
DSP SO
47
SDOB0
46
SDOB1
45
SDOB2
SDIB0
5
DSP SI
DSP CLK
DSP CS
DSP CSB
DSP IC
3
5
IC506
IC703
SRAM
IC309
SCDT
38
SCSHIFT
37
NSPMUTE
39
PGMUTE
40
INIT
41
24
OUTL1+
XFSOIN
28
21
OUTL1-
15
OUTL2+
18
OUTL2-
DATA
43
90 89 87 88 91 92 85
93
DIR DO
DIR DI
DIR CLK
DIR CE
ERROR
XSTATE
XMODE
DIR DATA
24
DSP SO
DIR DO
DIR DI
DIR CLK
DIR CE
ERROR
XSTATE
XMODE
22
DSP SI
21
DSP CLK
25
DSP CS
99
DSP CSB
100
DSP IC
10
S DATA
DSP SO
DSP SI
DSP CLK
DSP CS
DSP CSB
DSP IC
9
S SHIFT
13
NSP MUTE
14
PG MUTE
15
RST
19
FLASH DATA OUT
20
FLASH DATA IN
49
MD0
51
MD2
VDD
FLASH1
FLASH2
MD0
MD2
RESET
+5V
(STBY)
CNP104
A
FM
AM
TUNER UNIT
EXCEPT TA-KSL7
IC501
J301
3
5
6
2
IC503
IC503
TUNER
IN
VIDEO
AUDIO
IN
VIDEO
AUDIO
IN
R
L
J205
R
L
TA-KSL7
MODEL
12
13
14
15
11
10
IC203
1
3
5
2
4
9
A
B
3
1
Q203
Q205
Q202
Q204
DIN2
5
6
2
IC506
3
5
IC505
1
7
IC505
A/D CONV.
IC606
L IN
1
15
D OUT
R IN
5
SYSCLK
16
BCK
14
LRCK
13
RSTB
6
5
7
IC603
A/D CONV.
IC604
L IN
1
15
D OUT
R IN
5
SYSCLK
16
BCK
14
LRCK
13
RSTB
6
A/D CONV.
IC605
L IN
1
15
D OUT
R IN
5
SYSCLK
16
BCK
14
LRCK
13
RSTB
6
3
1
IC602
5
7
IC602
3
1
IC601
5
7
IC601
2
4
IC306
X306
49.152MHz
SDIAO
84
SDBCK0
83
SDWCK0
82
5
RST AD
1
7
3
5
6
2
IC322
SDIB2
7
SDIB1
6
BCK
44
LRCK
45
XFSI
64
SCLATCH
36
SCDT
SCSHIFT
NSPMUTE
PGMUTE
INIT
5
6
7
IC801
5
6
IC802
PULSE SHAPER
PULSE SHAPER
PULSE SHAPER
PULSE SHAPER
PULSE SHAPER
IC307
GATE
GATE
GATE
GATE
GATE
IC308
4
3
9
8
5
RY801
RY201
L
R
FRONT
SPEAKERS
PHONES
SURROUND
CENTER
TM802
TM801
SUB
WOOFER
J204
J101
15
11
16
12
PROTECT
Q401
POWER
DRIVER
POWER
DRIVER
POWER
DRIVER
POWER
DRIVER
POWER
DRIVER
IC301
10
OUTR1+
3
2
1
IC801
3
1
IC802
1
OUTR2+
7
OUTR1-
4
OUTR2-
IC310
IC311
4
3
9
8
5
15
11
16
12
PROTECT
Q402
IC302
2
4
IC324
77
XFSO OUT
IC315
SCDT
38
SCSHIFT
37
NSPMUTE
39
PGMUTE
40
INIT
41
28
XFSO IN
21
OUTL1-
15
OUTL2+
18
OUTL2-
DATA
43
BCK
44
LRCK
45
XFSI
64
SCLATCH
36
SCDT
SCSHIFT
NSPMUTE
PGMUTE
INIT
IC312
IC313
4
3
9
8
5
15
11
16
12
PROTECT
Q403
IC303
10
OUTR1+
5
6
7
IC314
3
1
IC314
1
OUTR2+
24
OUTL1+
77
XFSO OUT
IC318
SCDT
38
SCSHIFT
37
NSPMUTE
39
PGMUTE
40
INIT
41
28
XFSO IN
21
OUTL1-
15
OUTL2+
18
OUTL2-
DATA
43
BCK
44
LRCK
45
XFSI
64
SCLATCH
36
SCDT
SCSHIFT
NSPMUTE
PG MUTE
INIT
IC316
IC317
4
3
9
8
5
15
11
16
12
PROTECT
Q404
IC304
24
OUTL1+
7
OUTR1-
1
OUTR2+
4
OUTR2-
IC319
IC320
4
3
9
8
5
15
11
16
12
PROTECT
Q405
IC305
10
OUTR1+
RELAY SW
Q201
BUFF
Q406
3
D0
Q0
2
LE
11
LATCH
IC321
TUNED
MUTING
STEREO
T DO
T DATA
T CLK
T CE
8
AMP CE1
7
AMP CE2
6
AMP CE3
SC DT
SC SHIFT
NSP MUTE
PG MUTE
INIT
12
EN
70
HP RY
48
DIAG
69
SP RY
53
I LIMT
55
HP SW
RELAY SW
Q801
FLASH
PROGRAMING
VIDEO
IN
DVD
IN
TV IN
AUX
IN
J202
J203(1/2)
C
Y
VIDEO
AMP
IC202
5
1
8
4
J203(2/2)
MONITOR
OUT
12
13
14
15
11
10
IC201
1
3
5
2
4
9
A
B
C
Y
C
Y
C
Y
J201
6
EN
C
Y
J205
R
L
R
L
R
L
FRONT
SURROUND
SUB WOOFER
CENTER
EXCEPT
TA-KSL7
OPTICAL
RECEIVER
OPTICAL
RECEIVER
STREAM PROCESSOR
STREAM PROCESSOR
STREAM PROCESSOR
DVD
COAXIAL
AUX
OPTICAL
TV
OPTICAL
L
R
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