Sony SAVA-500 / SS-CN16 / SS-SR16 Service Manual ▷ View online
6
SERVICE POSITION
2
two screws
(transistor)
(transistor)
!¡
eleven screws
(BVTP3
(BVTP3
×
8)
5
heatsink and
AMP board
AMP board
7
bracket
6
two screws
(BVTP3
(BVTP3
×
8)
8
connector
(CN371)
(CN371)
6
screw
(BVTP3
(BVTP3
×
8)
4
two connectors
(CN601, 603)
(CN601, 603)
!º
connector
!™
back panel (L/A)
1
Remove the amplifier section. (Refer to page 5)
3
two screws
(BVTP3
(BVTP3
×
8)
9
cord bushing
!£
two screws
(BVTP3
(BVTP3
×
8)
A
!¢
Erect the MAIN boad
in arrow
in arrow
A
direction.
!£
two screws
(BVTP3
(BVTP3
×
8)
!£
four screws
(BVTP3
(BVTP3
×
8)
7
!ª
Connect the power SW
lead wire to STANDBY
board connector (CN907).
lead wire to STANDBY
board connector (CN907).
@º
Connect the flat wire to
DISPLAY board connector (CN503).
DISPLAY board connector (CN503).
@™
Push the power SW.
@¡
Connect the MAIN board
and chassis with
two clip wires.
and chassis with
two clip wires.
bracket
MAIN board
!∞
Insert an insulation sheet
between chassis and
MAIN board.
between chassis and
MAIN board.
!•
Connect the fan motor lead wire
to MAIN board connector (CN371).
to MAIN board connector (CN371).
heatsink
!¶
Insert two connectors
(CN601, 603) into
the connectors
(CN301, 911) on
the MAIN board.
(CN601, 603) into
the connectors
(CN301, 911) on
the MAIN board.
!§
Attach the bracket
to the heatsink
with two screws.
to the heatsink
with two screws.
chassis
8
SECTION 4
TEST MODE
This set provides four test modes as follows.
1. INPUT CHECK MODE
2. KEY CHECK MODE
3. AMP CHECK MODE
4. DEMONSTRATION MODE
The following describes each test mode in detail.
1. INPUT CHECK MODE
2. KEY CHECK MODE
3. AMP CHECK MODE
4. DEMONSTRATION MODE
The following describes each test mode in detail.
4-1.
INPUT CHECK MODE
Procedure:
1. While pressing the both
1. While pressing the both
[S.WOOFER]
and
[MASTER VOL +]
buttons, turn the power ON.
2. Fluorescent indicator tube display “SAVA-500”, after the all lights up, and enter the input check mode.
3. Pressing the
3. Pressing the
[INPUT]
button varies the display as follows.
SAVA-500
*********
S.WOOFER
*1
S.WOOFER check mode (5.1CH INPUT check mode)
AUX
AUX input (SURROUND OFF) check mode
VIDEO
VIDEO input (SURROUND OFF) check mode
TV
TV input (SURROUND OFF) check mode
AUTO POWER
AUTO POWER ON/OFF check mode
*1 Pressing the
[SURROUND]
button makes the S.WOOFER level minimum, or the
[S.WOOFER]
button makes the S.WOOFER level
maximum, or
[CENTER MODE]
button returns default.
Note:
In each mode, the volume is muted except for the channels that can be checked.
4. To release the test mode, push back
[ ]
button.
4-2.
KEY CHECK MODE
Procedure:
1. Push back
1. Push back
[ ]
button to turn the power OFF.
2. Connect the lead wire to TP3 and TP4 on the KEY board.
3. Push
3. Push
[ ]
button to power ON.
4. Let the lead wire short TP3 and TP4.
5. Fluorescent indicator tube display “KEY CHK 500”, and enter the key check mode.
6. Pressing any buttons, the number of button will be displayed on the fluorescent indicator tube.
7. Pressing the first button turns on the [READY] LED (red), and the second button turns on the
5. Fluorescent indicator tube display “KEY CHK 500”, and enter the key check mode.
6. Pressing any buttons, the number of button will be displayed on the fluorescent indicator tube.
7. Pressing the first button turns on the [READY] LED (red), and the second button turns on the
[ON]
LED (green). Thus, two LEDs light
up alternately each time the buttons are pressed.
8. After all buttons are pressed, it will be in the STANDBY mode.
Note:
If a check failed, the set does not go in STANDBY state, and you cannot exit from the test mode. In this case, quit the test mode by pushing back
[ ]
button.
Button
INPUT
SURROUND
CENTER MODE
WOOFER
MASTER VOL –
MASTER VOL +
Button Number
1
2
3
4
5
6
U
U
U
U
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 500”, 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 500”, 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 500
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
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