DOWNLOAD Sony SA-WCT260 Service Manual ↓ Size: 2.55 MB | Pages: 32 in PDF or view online for FREE

Model
SA-WCT260
Pages
32
Size
2.55 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
sa-wct260.pdf
Date
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SA-WCT260
21
IC108  S-1170B33UC-OTSTFG
IC109  SI-3010KM-TLS
VOUT
VIN
5
ON/OFF
4
1
VSS 2
NC 3
+
–
OVERCURRENT
PROTECTION
THERMAL
SHUTDOWN
REFERENCE
VOLTAGE
ON/OFF
CONTROL
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
– POWER Board –
IC910  STR-A6159M
1
SOURCE/OCP
8 D
7 D
5 STARTUP
6 NC
2
VCC
4
FB/OLP
3
GND
THERMAL
SHUTDOWN
DELAY
BUFFER
BLANKING
DISCHARGE
LATCH
INTERNAL
BIAS
UNDERVOLTAGE
LOCKOUT
OVER LOAD
PROTECTION
OVER VOLTAGE
PROTECTION
OVER
CURRENT
PROTECTION
OFF TIMER
DRIVE
+
–
S
R
PWM
LATCH
FEED
BACK
BIAS
BURST
Q
SA-WCT260
22
IC920  STR-W6735N (US and Canadian models)
IC920  STR-W6765N (Except US and Canadian models)
D 1
NC 2
S/GND 3
VCC 4
SS/OLP 5
FB 6
OCP/BD 7
DELAY
Q
R
S
+
–
+
–
+
–
Q
S
R
+
–
BOTTOM
SELECTOR
COUNTER
OSC
R
Q
S
SOFT START
+
–
OVP
REGULATOR
& ICONST
+
–
BURST
CONTROL
START/STOP
BURST
PROTECTION
LATCH
DRIVE
REGULATOR
OLP
BSD
BD
OCP
FB
Ver. 1.1
SA-WCT260
23
•  IC Pin Function Description
SUB  MAIN  BOARD  IC100  R5F212BASNFP (SYSTEM  CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
NO USE
O
Not used
2
S-AIR_DATA
I/O
Two-way S-AIR data with the wireless transceiver
3
FW_MODE
I
Not used
4, 5
NO USE
O
Not used
6
RESET
I
System reset signal input from the reset signal generator    “L”: reset    
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
7
Xout
O
System clock output terminal (20 MHz)
8
Vss
-
Ground terminal
9
Xin
I
System clock output terminal (20 MHz)
10
Vcc1
-
Power supply terminal (+3.3V)
11
NO USE
O
Not used
12
P_CONT2
O
Power on/off control signal output terminal    “H”: power on
13
P_CONT1 (3.3V)
O
Power on/off control signal output terminal    “H”: power on
14
P_CONT_PVDD
O
Power on/off control signal output terminal    “H”: power on
15 to 20
NO USE
O
Not used
21
LED_GREEN
O
LED drive signal output terminal for on/standby indicator (green)    “H”: LED on
22
LED_RED
O
LED drive signal output terminal for on/standby indicator (red)    “H”: LED on
23
PAIRING_LED
O
LED drive signal output terminal    Not used
24
NO USE
O
Not used
25
DAMP_SHIFT
O
Clock signal output to the stream processor
26
NO USE
O
Not used
27
DAMP_SCDT
O
Serial data output to the stream processor
28
DRIVE_RST (EN)
O
Reset signal output to the power amplifi er    “L”: reset
29
DAMP_INIT
O
Reset signal output to the stream processor    “L”: reset
30
DAMP_OVF
I
Overfl ow detection signal input from the stream processor    “L”: overfl ow is detected
31
DAMP_LATCH
O
Serial data latch pulse signal output to the stream processor
32
DAMP_SOFT_MUTE
O
Soft muting on/off control signal output to the stream processor    “L”: muting on
33
DAMP_OVF2
I
Overfl ow detection signal input terminal    Not used
34
DAMP_LATCH2
I
Serial data latch pulse signal input terminal    Not used
35
NO USE
O
Not used
36
AC_CUT
I
AC cut detection signal input terminal    “L”: AC cut is detected
37
FW_TxD
O
Transmit data output terminal for fl ash writing
38
FW_RxD
I
Receive data input terminal for fl ash writing
39 to 41
NO USE
O
Not used
42
PVDD_SD_EN
O
Shutdown signal output terminal    “L”: shutdown
43
DC_DET
I
Speaker DC detection signal input terminal    “L”: speaker DC is detected
44
NO USE
O
Not used
45
DRIVE_SD
I
Shutdown signal input from the stream processor    “L”: shutdown
46
S-AIR FREQ DET
I
S-AIR module frequency detection signal input from the wireless transceiver
47
S-AIR DET
I
S-AIR detection signal input from the wireless transceiver
48
S-AIR_GPIO2
I
S-AIR interrupt signal input from the wireless transceiver
49
KEY_POWER
I
Power key input terminal
50
S-AIR_RESET
O
S-AIR reset signal output to the wireless transceiver    “L”: reset
51
KEY_PAIRING
I
SECURE LINK key input terminal
52
SUR_MODE_SW
O
Not used
53
SHIMUKE
O
Destination setting terminal    Not used
54
MODEL
O
Model setting terminal    Not used
55
FAN_ON
O
Fan motor drive signal output terminal    Not used
56
FAN_DET
I
Fan motor detection signal input terminal    Not used
57
S-AIR_RF_FB
O
Not used
58
NO USE
O
Not used
59
Vss
-
Ground terminal
60
NO USE
O
Not used
61
Vref
I
Reference voltage (+3.3V) input terminal
62
Vcc1
-
Power supply terminal (+3.3V)
63
NO USE
O
Not used
64
S-AIR_CLK
O
S-AIR clock signal output to the wireless transceiver
24
SA-WCT260
SECTION  4
EXPLODED  VIEWS
 1 
X-2584-840-1 PANEL, 
TOP 
ASSY
 2 
3-087-053-01 +BVTP2.6 
(3CR)
  3 
4-874-614-02  SCREW (1) (3.5X14), TAPPING
 4 
4-429-103-01 PANEL, 
REAR
  #1 
7-685-646-79  SCREW +BVTP 3X8 TYPE2 IT-3
  #2 
7-685-646-71  SCREW +BVTP 3X8 TYPE2 IT-3
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
Note:
•  -XX and -X mean standardized parts, so 
they may have some difference from the 
original one.
•  Items marked “*” are not stocked since 
they are seldom required for routine ser-
vice. Some delay should be anticipated 
when ordering these items.
•  The mechanical parts with no reference 
number in the exploded views are not sup-
plied.
•  Color Indication of Appearance Parts Ex-
ample:
  KNOB, BALANCE (WHITE) . . . (RED)
   
 
 
   
 
Parts Color  Cabinet’s Color
• Abbreviation
 AUS : 
Australian 
model
  BR 
: Brazilian model
  CND  : Canadian model
  RU 
: Russian model
  SP 
: Singapore model
The components identifi ed by mark 0 
or dotted line with mark 0 are critical for 
safety.
Replace only with part number specifi ed.
Les composants identifi és par une marque 
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
4-1.  OVERALL  SECTION
not supplied
not supplied
(FRONT LED board)
not 
supplied
not supplied
sub AMP section
subwoofer cabinet section
not supplied
not supplied
not supplied
not supplied
not supplied
#2
#2
A
#1
#1
#1
#1
not 
supplied
1
2
2
3
3
4
3
3
A
Ver. 1.1
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