Sony SAVA-700 / SS-T100 Service Manual ▷ View online
9
4-3.
AMP CHECK MODE
Procedure:
1. Push back
1. Push back
[ ]
button to turn the power OFF.
2. Connect the lead wire to TP1 and TP2 on the KEY board.
3. Push
3. Push
[ ]
button to power ON.
4. Let the lead wire connected TP1 and TP2.
5. Fluorescent indicator tube display “AMP CHK 700”, and enter the amp check mode.
6. The check step advances in order as TP1 and TP2 are shorted.
5. Fluorescent indicator tube display “AMP CHK 700”, and enter the amp check mode.
6. The check step advances in order as TP1 and TP2 are shorted.
*1 The step 12 is the AUTO POWER ON/OFF check.
*2 The step 12 is automatically turned the power OFF in one second, ON when a signal is entered to TV input, and OFF when a signal
*2 The step 12 is automatically turned the power OFF in one second, ON when a signal is entered to TV input, and OFF when a signal
input stops.
*3 After the step 12 finished, return the parameters to default values, then turn the power OFF.
7. To release the test mode, push back
7. To release the test mode, push back
[ ]
button.
• Checking Location
– KEY Board (Conductor Side) –
– KEY Board (Conductor Side) –
AMP CHK 700
AMP CHK 1
AMP CHK 2
AMP CHK 3
AMP CHK 4
AMP CHK 5
AMP CHK 6
AMP CHK 7
AMP CHK 8
AMP CHK 9
AMP CHK 10
AMP CHK 11
AMP CHK 12
STEP
0
1
2
3
4
5
6
7
8
9
10
11
12
INPUT
VIDEO
VIDEO
VIDEO
VIDEO
VIDEO
VIDEO
AUX
AUX
5.1
5.1
5.1
5.1
TV
SW MODE
1
OFF
OFF
OFF
1
2
1
1
1
1
1
1
1
SUR MODE
PRO LOGIC
OFF
PRO LOGIC
GAME
OFF
OFF
PRO LOGIC
PRO LOGIC
–
–
–
–
PRO LOGIC
BASS
0
0
0
0
0
0
0
0
0
0
–5
+5
0
TREBLE
0
0
0
0
0
0
0
0
0
0
–5
+5
0
VOL
MIN
MAX
MAX
MAX
MAX
MAX
MIN
MAX
MAX
MIN
MAX
MAX
MAX
*
S505
S506
S502
TP3 TP2
TP4
TP1
S504
S503
S501
U
U
U
10
4-4.
DEMONSTRATION MODE
1.
Entering the demonstration mode
• Press the
[INPUT]
and
[MASTER VOL +]
buttons simultaneously to start demonstration mode.
• When the set goes in demonstration mode, the
[ON]
LED (green) blinks, and the
[STANDBY]
and
[READY]
LEDs (red) light up.
• The sequence during the demonstration mode is following as bellow.
Notes:
1. In the demonstration mode, only the
[INPUT]
,
[MASTER VOL]
, and
[S.WOOFER]
buttons are active.
2. The operation with remote commander is disabled.
Demonstration mode sequence:
@@@@@@@@@
@
H E L L O
@
WELCOME TO SAVA
*1
SOUND SYSTEM
I AM SAVA-700
*1
MY FEATURES ARE 4
INPUTS AND 5
*1
SURROUND MODE
LISTEN TO
*1
MY SOUND
5.1 INPUT
5.1 CH IN
OTHER INPUT
PRO LOGIC
*2
C.STUDIO
*2
HALL
*2
STUDIUM
*2
GAME
*2
THANK YOU
*2
Note:
1 The demonstration mode operates with the input, and volume position selected last.
2 The input and volume are variable even during demonstration mode.
2 The input and volume are variable even during demonstration mode.
2.
Releasing the demonstration mode
• To release the demonstration mode, push back
[ ]
button.
*1 First seven characters are dis-
played, then eighth and subse-
quent characters are displayed.
(Characters run on the display)
quent characters are displayed.
(Characters run on the display)
*2 Displayed for 5 seconds.
U
11
11
SECTION 5
DIAGRAMS
5-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
p
: parts mounted on the conductor side.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
Indication of transistor.
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : AUDIO
no mark : AUDIO
• 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.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: AUDIO
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
• Circuit Boards Location
AC-SW board
LED board
STANDBY board
KEY board
DISPLAY board
FILTER board
THERMO board
AMP board
MAIN board
REG board
– L-ch speaker section –
12
12
SAVA-700/SS-T100
5-2.
PRINTED WIRING BOARD – MAIN Board –
•
See page 11 for Circuit Boards Location.
(Page 16)
(Page 16)
(Page 16)
(Page 16)
(Page 16)
(Page 18)
(Page 20)
(Page 18)
(Page 18)
(Page 16)
(Page 16)
Click on the first or last page to see other SAVA-700 / SS-T100 service manuals if exist.