DOWNLOAD Sony TA-S7AV Service Manual ↓ Size: 2.38 MB | Pages: 27 in PDF or view online for FREE

Model
TA-S7AV
Pages
27
Size
2.38 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ta-s7av.pdf
Date

Sony TA-S7AV Service Manual ▷ View online

5
TA-S7AV
• This set can be disassembled in the order shown below.
3-1.
DISASSEMBLY  FLOW
SECTION  3
DISASSEMBLY
3-2. COVER
(Page 6)
3-3. FRONT PANEL SECTION
(Page 6)
3-4. BACK PANEL (AV) SECTION
(Page 7)
3-5. FRONT AMP BOARD
(Page 7)
SET
Note 1: The process described in     can be performed in any order.
Note 2: Without completing the process described in     , the next process can not be performed.
6
TA-S7AV
3-3.
FRONT  PANEL  SECTION
Note:
 Follow the disassembly procedure in the numerical order given.
3-2.
COVER
2
two screws
(case 3 TP2)
2
two screws
(case 3 TP2)
1
three screws
(BVTT3 
×
 6)
4
Remove the cover
in the direction of arrow 
A
.
A
3
3
4
three screws
(BVTP3 
×
 8)
2
screw
(BVTP3 
×
 8)
6
front panel section
5
two 
claws
5
two claws
5
claw
3
lug
1
wire (flat type) (23 core) (AEP, UK models)
wire (flat type) (25 core) (Korean, Mexican and Australian models)
(CN104)
3
lug
3
lug
2
screw
(BVTP3 
×
 8)
2
screw
(BVTP3 
×
 8)
7
TA-S7AV
3-4.
BACK  PANEL (AV)  SECTION
3-5.
FRONT  AMP  BOARD
5
three screws
(BVTP3 
×
 8)
5
four screws
(BVTP3 
×
 8)
5
four screws
(BVTP3 
×
 8)
4
RELAY board
3
two connectors
(CN106, 113)
6
connector
(CN105)
7
three connectors
(CN901, 902, 903)
1
screw
(BVTP3 
×
 8)
8
back panel (AV) section
6
1
screw
(BVTP3 
×
 8)
2
lug
2
screw
(BVTP3 
×
 8)
5
screw
(BVTP3 
×
 8)
4
two screws
(BVTT3 
×
 8)
3
bracket (PWB)
6
lug
8
Remove the FRONT AMP board
in the direction of the arrow.
7
PC board holder
1
three connector
(CN913, 914, 915)
7
PC board holder
8
TA-S7AV
[GC Test  Mode]
Enter the GC Test Mode
Procedure 1:
1. Press the
I
/1
button to turn the power on.
2. While pressing the both 
[STEREO/MONO]
 *
1
 and 
[CINEMA
STUDIO C]
 buttons, press the 
[CLOCK/TIMER]
 *
1
 button.
3. LEDs and fluorescent indicator tube are all turned on of all
units.
Procedure 2:
1. Press the
I
/1
button to turn the power on.
2. While pressing the both 
[PLAY MODE]
 *
2
 and
x
*
2
 buttons,
press the
Z
 (DISC 1) *
2
 button.
3. LEDs and fluorescent indicator tube are all turned on of all
units.
Version Display Mode
Procedure:
1. Enter the GC test mode.
2. Each time the 
[TUNER MEMORY]
 *
1
 or 
[DISC 1]
 *
2
 button is
pressed, microcomputer or mechanism deck version is dis-
played of each unit.
3. Press the 
[TUNING +]
 *
1
 or 
[DISC   3]
 *
2
 button to detail is
displayed the version.
Key Check Mode
Procedure:
1. Enter the GC test mode.
2. Press the 
[TUNING --]
 *
1
 or 
[DISC 2]
 *
2
 button to set the key
check mode.
3. In the key check mode, the fluorescent indicator tube displays
“K 0 J 0 V 0”. Each time a button is pressed, “K” value in-
creases. However, once a button is pressed, it is no longer taken
into account.
“J” value increases like 1, 2, 3 ... if turn the 
[FILE SELECT]
knob clockwise, or it decreases like 0, 9, 8 ... if turn the JOG
dial counterclockwise.
“V” value increases like 1, 2, 3 ... if turn the 
[VOLUME]
 knob
clockwise, or it decreases like 0, 9, 8 ... if turn the JOG dial
counterclockwise.
Releasing the GC Test Mode
To release from this mode, press three buttons in the same manner
as entering this mode or disconnect the power cord.
SECTION  4
TEST  MODE
Note:
Use flowing buttons in the test mode.
no mark : Button of amplifier unit (TA-S7AV)
*1
: Button of tuner unit (ST-S5)
*2
: Button of CD unit (CDP-S3)
[MC Test  Mode]
Enter the MC Test Mode
1. Press the
I
/1
button to turn the power on.
2. While pressing the both 
[STEREO/MONO]
 *
1
 and 
[CINEMA
STUDIO C]
 buttons, press the 
[CINEMA STUDIO A]
 button.
3. “GROOVE” indication blinks on the fluorescent indicator tube
in the midst of MC test mode.
4. This mode has two modes (mode 1/mode 2).
5. To change the modes, press three buttons in the same manner
as entering this mode (step 2). Each time the step 2 operation
is repeated, it changes modes alternately.
6. To distinguish the mode, turn the 
[VOLUME]
 knob clockwise
or counterclockwise. Then display is shown as follows.
Mode 1: only “MIN” or “MAX”
Mode 2: “MIN”, “1 to 30” or “MAX”
AMP Test  Mode
In the AMP test mode, it operates as follows.
[VOLUME]
 knob is turned, it changes display as follows.
Counterclockwise : VOLUME MIN
Clockwise
: VOLUME MAX
[FILE SELECT]
 knob is turned, it changes speaker output mode
as follows.
Display of each mode:
Details of each mode:
Mode 1 : L-CH : front L-CH
R-CH : front R-CH
Mode 2 : L-CH : rear L-CH
R-CH : rear R-CH
Mode 3 : L-CH : front L-CH, rear L-CH, center
R-CH : front R-CH, rear R-CH, sub woofer
(no LFE, “EQ” indication does not light up on the fluorescent
indicator tube of tuner unit)
Mode 4 : L-CH : front L-CH, rear L-CH, center
R-CH : front R-CH, rear R-CH, sub woofer
(LFE on, “EQ” indication lights up on the fluorescent indica-
tor tube of tuner unit)
Mode 5 : L-CH : center
R-CH : sub woofer
Releasing the MC Test Mode
To release from this mode, press the
I
/1
button or disconnect the
power cord.
Mode No.
Display
1
L: L
R: R
2
L: SL
R: SR
3
L: LSLC
R: RSRW
4
L: LSLC
R: RSRW
5
L: C
R: W
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