Sony DAV-LF1 / SA-WSLF1 Service Manual ▷ View online
5
SA-WSLF1
• NOTE:
Turn the woofer upside down and remove the AMP block.
Connect the SW-MAIN board and the VIDEO-I/O board
using the extension cable and check the SW-MAIN board.
using the extension cable and check the SW-MAIN board.
J-2501-245-A
(1mm/23P/L300)
(1mm/23P/L300)
IC525 on the SW-MAIN board
• SERVICING POSITION (SW-MAIN Board)
• CAUTION:
Keep your eyes 10 cm or more away from the infrared laser unit (DIR-T1).
Do not view directly the laser beam.
Do not view directly the laser beam.
6
SA-WSLF1
SECTION 2
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
Subwoofer (Rear Panel)
A
PHONES jack (39)
B
EURO AV OUTPUT (TO TV)
T
jacks
(25)
C
DIR-T1 jack (18)
D
AM terminals (23)
E
FM 75
Ω
COAXIAL jack (23)
F
SPEAKER jacks (18)
G
SYSTEM CONNECTOR jack (15)
H
SAT OPTICAL DIGITAL IN jack (26)
I
SAT (VIDEO IN/AUDIO IN (L/R)) jacks
(25)
(25)
J
VIDEO (VIDEO IN/AUDIO IN (L/R)) jacks
(25)
(25)
K
REMOTE CONTROL jack (18)
IN
VIDEO
PHONES
REMOTE
CONTROL
OPTICAL
DIGITAL IN
IN
VIDEO
DIR-T1
FM
75
75
COAXIAL
AM
IN
L
L
AUDIO
R
R
IN
AUDIO
FRONT R
CENTER
FRONT L
EURO AV
ANTENNA
OUTPUT(TO TV)
IMPEDANCE USE 4
SPEAKER
SAT
SYSYTEM CONNECTOR
VIDEO
(AEP, UK, Russian models)
Subwoofer (Rear Panel)
A
PHONES jack (41)
B
MONITOR OUTPUT (VIDEO/S VIDEO)
jacks (25)
jacks (25)
C
COMPONENT VIDEO OUT jacks (25)
D
COMPONENT VIDEO OUT/SCAN
SELECT switch (88)
SELECT switch (88)
E
AM terminals (23)
F
FM 75
Ω
COAXIAL jack (23)
G
SPEAKER jacks (18)
H
SYSTEM CONNECTOR jack (15)
I
DIR-T1 jack (18)
J
SAT OPTICAL DIGITAL IN jack (26)
K
SAT (VIDEO IN/AUDIO IN (L/R)) jacks
(25)
(25)
L
VIDEO (VIDEO IN/AUDIO IN (L/R)) jacks
(25)
(25)
M
REMOTE CONTROL jack (18)
IN
VIDEO
PHONES
REMOTE
CONTROL
OPTICAL
DIGITAL IN
IN
P
B
/C
B
P
R
/C
R
SCAN SELECT
INTERLACE
SELECTABLE
Y
VIDEO
S VIDEO (DVD ONLY)
VIDEO
DIR-T1
FM
75
75
COAXIAL
AM
IN
L
L
AUDIO
R
R
IN
AUDIO
FRONT R
CENTER
FRONT L
COMPONENT VIDEO OUT
ANTENNA
IMPEDANCE USE 4
SPEAKER
SAT
SYSYTEM CONNECTOR
VIDEO
MONITOR OUTPUT
(EXCEPT AEP, UK, Russian models)
7
SA-WSLF1
DIAT SIGNAL RF LEVEL ADJUSTMENT
This adjustment is performed in order to adjust the transmission
distance of RF signal for DIAT communication.
Connection:
distance of RF signal for DIAT communication.
Connection:
Procedure:
1. Connect the oscilloscope to TP815 (RF AMP OUT) and GND
on the DIAT TRANSMITTER board.
2. Connect DIR-T1 to DIR-T1 jack (J908).
3. Adjust RV801 on the DIAT TRANSMITTER board so that
3. Adjust RV801 on the DIAT TRANSMITTER board so that
the center of waveform becomes Trig level 1.05 Vp-p.
(*Trigger position: –4 div)
(*Trigger position: –4 div)
4. Confirm trigger is locked.
5. Adjust RV801 on the DIAT TRANSMITTER board so that
5. Adjust RV801 on the DIAT TRANSMITTER board so that
the center of waveform becomes 2.2 to 2.4 Vp-p.
SECTION 3
ELECTRICAL ADJUSTMENT
VOLT/DIV : 500 mV
TIME/DIV : 500 ns
TIME/DIV : 500 ns
level : 2.2 to 2.4 Vp-p
– DIAT TRANSMITTER Board (SIDE A) –
TP815
(RF AMP OUT)
IC804
IC805
TP815
(RF AMP OUT)
DIAT TRANSMITTER
board
board
oscilloscope
Adjustment Location:
RF Signal Reference Waveform
8
SA-WSLF1
SECTION 4
DIAGRAMS
• Circuit Boards Location
DIAT TRANSMITTER board
SPK-OUT board
15V-RELAY board
AMP board
SCART board
AEP, UK, RU
COMPONENT board
EXCEPT AEP, UK, RU
SW-MAIN board
VIDEO-I/O board
BIND board
PLF board
SWITCHING REGULATOR
15V-REG board
For Schematic Diagrams.
Note:
• All capacitors are in
Note:
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
no mark : DVD STOP
no mark : DVD STOP
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
d
: TUNER
J
: CD PLAY
c
: DVD PLAY
L
: VIDEO
E
: Y
a
: CHROMA
r
: COMPONENT VIDEO
q
: R, G, B
e
: AUX IN (AUDIO)
h
: DIGITAL IN
i
: AUX IN (VIDEO)
For Printed Wiring Boards.
Note:
•
Note:
•
X
: parts extracted from the component side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
Caution:
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
Pattern face side: Parts on the pattern face side seen from
(SIDE B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
Pattern face side: Parts on the pattern face side seen from
(SIDE B) the pattern face are indicated.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number 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
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
C
B
These are omitted.
E
Q
• Abbreviation
RU
: Russian model.
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