Sony AIR-SW10TI / SA-WA10R Service Manual ▷ View online
SA-WA10R
17
IC701 BD33KA5WFP-E2
THERMAL
SHUT DOWN
OVER CURRENT
PROTECT
VDD
VCC
2
GND
3
NC
5
OUT
4
CTL
1
–
+
VREF
DRIVER
IC705 MC74VHC74DTR2
14
1 2 3
4 5 6
7
13 12 11
10
9 8
VCC
GND
CK
CLR
CK
CLR
Q
PR
Q
Q
PR
Q
D
D
IC707 CXD9774M
RESET 4
GND 1
GND 3
PWM BP 2
DREG RTN 5
GVDD 6
M3 7
M1 10
M2 11
M2 11
DVDD 12
DREG 8
DGND 9
DGND 14
GND 16
GND 18
PWM
RECEIVER
TIMING
CONTROL
&
PROTECTION
SD 13
OTW 15
DIGITAL
REGULATOR
PROTECTION
LOGIC
OT
&
UVP
DVDD DREG
DREG
DGND
PWM AP 17
PWM
RECEIVER
DVDD DREG
DGND
DREG
GVDD
DREG
GATE
DRIVE
GVDD B
35
GVDD B
36
BST B
33
PVDD B
32
PVDD B
31
OUT B
30
OUT B
29
GND
28
GND
34
GATE
DRIVE
OCH
OCL
TIMING
CONTROL
&
PROTECTION
DREG
GATE
DRIVE
GVDD A
20
GVDD A
19
BST A
22
PVDD A
23
PVDD A
24
OUT A
25
OUT A
26
GND
27
GND
21
GATE
DRIVE
OCH
OCL
GVDD
GVDD
SA-WA10R
18
– POWER (SW) Board –
IC02 MIP2F20MS1SO
CONSTANT
CURRENT
SOURCE
2
FB
1
VDD
4
VCC
5 DRAIN
8 SOURCE
7 SOURCE
7 SOURCE
3
CL
VCL
CLAMP CIRCUIT
(ILIMIT SETTING)
IN
ICL.LOW
VCL.OUT
ILIMIT VARIABLE
CIRCUIT
+
–
–
+
–
+
–
–
7.2V
+
–
–
2.4V
VCC UV
VCC OVP
OVERHEAT
PROTECTION
S
R
R
Q
Q
Q
RESTARTING
TRIGGER
R
S
S
Q
Q
Q
+
–
–
27%
22%
22%
FOR LIGHT LOAD
DETECTION INTERMITTENT
OSCILLATION CONTROL
GENERATOR
CLOCK
12kHz
MAXDC
5.7V
5.0V
5.0V
VDD UV
5.7V
REGULATOR
VDD CLAMP
CIRCUIT
6.6V
+
–
ILIMIT
CORRECTION
CIRCUIT
FOR
DRAIN CURRENT
DETECT
GATE DRIVER
POWER
MOSFET
AT TURNING ON
BLANKING PULSE
GENERATION CIRCUIT
SA-WA10R
19
• IC Pin Function Description
MAIN (SW) BOARD IC602
μPD78F0526GB (S)-UET-A (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
KEY-WAKEUP
I
Key wake-up signal input terminal
2
I-AC CUT
I
AC cut on/off detection signal input terminal “H”: AC cut on
3
EEPROM-SDA
I/O
Two-way I2C data bus with the EEPROM
4
O-EEPROM-SCL
O
I2C clock signal output to the EEPROM
5
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”
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
6
XT2
O
Sub system clock output terminal (32.768 kHz)
7
TX1
I
Sub system clock input terminal (32.768 kHz)
8
FLMD0
I
Flash memory programming mode setting terminal
9
X2
O
Main system clock output terminal (16 MHz)
10
X1
I
Main system clock output terminal (16 MHz)
11
REGC
-
External capacitor connecting terminal of regulator output for internal operation
12
VSS
-
Ground terminal
13
VDD
-
Power supply terminal (+3.3V)
14
O-SA_CLOCK
O
I2C clock signal output to the wireless transceiver
15
SA-DATA
I/O
Two-way I2C data bus with the wireless transceiver
16
O-SA_POW-ON
I
Power supply on/off control signal output terminal for wireless transceiver “H”: power on
17
O-SA_RESET
O
Reset signal output to the wireless transceiver “L”: reset
18
I-SA_INT
I
Interrupt signal input from the wireless transceiver
19
I-KEY_PAIRING
I
PAIRING key input terminal
20
O-AMP_RESET
O
Reset signal output to the power amplifi er “L”: reset
21
O-AMP_NSPMUTE
O
NSP muting on/off control signal output to the stream processor “L”: muting on
22
O-AMP_SOFTMUTE
O
Soft muting on/off control signal output to the stream processor “L”: muting on
23
O-AMP_PGMUTE
O
PG muting on/off control signal output to the stream processor “L”: muting on
24
I-SUFIX
I
Destination setting terminal “L”: US and Canadian models, “H”: UK model
25
I-AMP_OVFFLAGL
I
Overfl ow fl ag input terminal Not used
26
O-AMP_INIT
O
Initialize signal output to the stream processor “L”: initialize
27
NC
-
Not used
28
O-STBY_LED
O
LED drive signal output terminal for power level indicator “H”: LED on
29
I-P-ON_DET
I
Power on detection signal input terminal
30
I-AMP_SD
I
Shut down signal input from the power amplifi er “L” shut down
31
I-AMP_OTW
I
Over temperature warming signal input terminal Not used
32
O-SA_LED
O
LED drive signal output terminal for S-AIR indicator “H”: LED on
33
O-FLASH_SI
I
Serial data input terminal for fl ash writing
34
O-FLASH_SO
O
Serial data output terminal for fl ash writing
35
O-AMP_SCDT
O
Serial data output to the stream processor
36
O-AMP_SCLATCH
O
Serial data latch pulse signal output to the stream processor
37
O-AMP_SCSHIFT
O
Serial data transfer clock signal output to the stream processor
38
AVREF
I
Reference voltage (+3.3V) input terminal
39
AVSS
-
Ground terminal
40
I-KEY
O
POWER key input terminal
41
I-SA_ID
I
S-AIR ID selection switch input terminal “L”: A, “M”: B, “H”: C
42
O-DISCHARGE
O
Discharge control signal output terminal “H”: discharge
43
I-POWER_MONITOR2
I
Power monitor terminal for main power transformer
44 to 46
NC
-
Not used
47
I-3.3V_POWER_MONI
I
Power monitor terminal for +3.3V power supply
48
O-POWER_ON
O
Power supply on/off control signal output terminal “H”: power on
49
O-SA_STBY_LED
O
LED drive signal output terminal for power level indicator “H”: LED on
50
O-PAIR_LED
O
LED drive signal output terminal for PAIRING indicator “H”: LED on
51, 52
NC
-
Not used
Ver. 1.2
SA-WA10R
20
Pin No.
Pin Name
I/O
Description
1
VSENSE
I
AC line voltage detection signal input terminal
2
F/B
I
Feed back signal input terminal for frequency modulation of oscillator
3
CT
I
Connected to the external capacitor for oscillator duty/frequency setting
4
RT
I
Connected to the external resistor for oscillator frequency setting
5
GND
-
Ground terminal
6
PROTECT
I
Connected to the external capacitor for determines intermittent operation period when abnor-
mal detection state
mal detection state
7
SS
I
Connected to the external capacitor for soft start timing
8
VC1
I
Power supply terminal for control circuit “L”: stop
9
OCP
I
Over current detection signal and didt protection signal input terminal
10
VC2
O
Power supply output terminal for driver
11
P-GND
-
Ground terminal for low voltage side driver
12
VG-L
O
Low voltage side driver drive signal output terminal
13
-
-
Not used
14
VB
O
Power supply output terminal for high voltage side driver
15
VS
I
High voltage side driver reference voltage input terminal
16
VG-H
O
High voltage side driver drive signal output terminal
17
-
-
Not used
18
VD
I
Terminal for drain-kick startingWhen starting, current is supplied directly from the rectifi cation
diode to VC1
diode to VC1
POWER (SW) BOARD IC01 CXD9841P (POWER CONTROL)
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