Read Sony AIR-SA5R Service Manual online
AIR-SA5R
AIR-SA5R
18
18
324 ns
3.3 Vp-p
qd
IC501 3 (BCKIN)
1 V/DIV, 200 ns/DIV
20.8
Ps
3.3 Vp-p
qs
IC501 1 (LRCKIN)
1 V/DIV, 10
Ps/DIV
qf
IC501 4 (MCLK)
2 V/DIV, 50 ns/DIV
82 ns
4.7 Vp-p
qa
IC551 1 (1A)
1 V/DIV, 50 ns/DIV
82 ns
2.7 Vp-p
1
IC401 9 (X2)
1 V/DIV, 20 ns/DIV
62.5 ns
2.9 Vp-p
• Waveforms
– MICON Board –
– IF Board –
+
–
–
3
REFERENCE
VOLTAGE
2
4
1
5
CURRENT
LIMIT
NC
VIN
NC
VSS
VOUT
VOUTL
3
2
1
8
4
7
14
13
BCKIN
DIN
LRCIN
VOUTR
MCLK
5
ZERO
6
DGND
DVDD
10
9
AGND
AV
D
D
VREFP
VREFN
DIGITAL
FILTERS
SIGMA-DELTA
MODULATOR
D/A
CONVERTER
LOW-PASS
FILTER
LOW-PASS
FILTER
CONTROL INTERFACE
12
VMID
11
20
LA
TI2S
D/A
CONVERTER
SIGMA-DELTA
MODULATOR
SERIAL
INTERFACE
MUTING/
ATTENUATOR
MUTING/
ATTENUATOR
19
SCK
18
SDIDEM
17
MUTEB
16
MODE
15
CSBIWL
C2
C1 IN-
+
+
BIASES
&
REFERENCE
RAMP
GENERATOR
SD
INPUT
BUFFER
DEGLITCH
LOGIC
DEGLITCH
LOGIC
GATE
DRIVE
GATE
DRIVE
START-UP
PROTECTION
LOGIC
SC
DETECT
B2 PVDD
B3 PGND
B1
A3
C3
VDD
VO-
VO+
A1
A2
IN+
SHUTDOWN
GND
+
+
+
+
VDD
1
VIN
2
CONTROL
5
GND
3
VOUT
4
VA
D
J
BANDGAP
REFERENCE
OVER VOLTAGE
PROTECTION
OVER CURRENT
PROTECTION
THERMAL
PROTECTION
ON/OFF
CONTROL
REGULATOR
• IC Block Diagrams
– MICON Board –
IC941 XC6201P332MR
– IF Board –
IC501 WM8728SEDS/RV
– POWER AMP Board –
IC302 TPA2034D1YZFR
IC901, 902 NJM2387ADL3 (TE2)
Click on the first or last page to see other AIR-SA5R service manuals if exist.