Read Sony NW-MS7 Service Manual online
– 43 –
4
VSS
3
NC
1 OUT
2 VDD
VREF
1
2
3
5
4
VOUT
VSS
ON/XOFF
VIN
EXT
OSCILLATION
CIRCUIT
PWM CONTROL,
PWM/PFM SWITCH
CONTROL CIRCUIT
REFERENCE VOLTAGE
SUPPLY (SOFT START)
5
EXT
4
VSS
1 ON/XOFF
2 VOUT
3 NC
SOFT
START
CIRCUIT
PWM
CONTROL
CIRCUIT
VREF
4
VSS
3
NC
1 OUT
2 VDD
VREF
4
VSS
3
NC
1 OUT
2 VDD
VREF
1
20
19
CLOCK/OSC MANAGER
8-TIMES OVER • SAMPLING
DIGITAL FILTER
(MULTI-FUNCTION)
POWER
SUPPLY
CR LPF
+AMP
CR LPF
+AMP
RESET
SERIAL
INPUT
INTERFACE
MULTI-LEVEL
∆
•
∑
MODULATOR
MULTI-LEVEL
∆
•
∑
MODULATOR
MODE
CONTROL
XTI
XTO
CLKO
CLKO
18 ML/MUTE
17 MC/DM1
16 MD/DM0
15 RSTB
14 MODE
13 D/C_L
12 VOUTL
11 VCC
2
DGND
3
VDD
4
LRCIN
5
DIN
6
BCKIN
7
ZERO
8
D/C_R
9
VOUTR
10
AGND
BPZ-CONTROL
OPEN DRAIN
DAC
DAC
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IC505 S-8520F33MC-BNS-T2
IC506 S-8328B33MC-EWN-T2
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IC508 PST3346UL
IC301 PCM1717T/2K
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