Read Sony ICD-SX57 / ICD-SX57DR9 / ICD-SX67 / ICD-SX67DR9 / ICD-SX77 Service Manual online
ICD-SX57/SX57DR9/SX67/SX67DR9/SX77
ICD-SX57/SX57DR9/SX67/SX67DR9/SX77
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28
• IC Block Diagrams
– AUDIO Board –
– AUDIO Board –
IC3901 PCM3794RHBR
– MAIN Board –
IC3403
SM6801
AIN3L
AIN2L
AIN1L
AIN1R
AIN2R
AIN3R
AIN3R
23
25
27
26
24
22
21
4
18
V
COM
V
COM
V
IO
5
V
DD
6
DGND
12
V
PA
13
PGND
20 V
CC
19 AGND
ADC
Digital
Filter
MUX2
MUX4
ADC
(1)
Digital
Filter
(1)
(1)
Digital
Filter
ROUT
MXR
DAR
ADR
SW6
SW5
SW4
PG4
+30 to -12dB
+30 to -12dB
ADC
Digital
Filter
MUX1
MUX3
ADC
(1)
Audio Interface
Serial Interface
(SOI/I2C)
Clock
Manager
Power on
Reset
Power Up/Down
Manager
(1)
LOUT
MXL
DAL
ADL
SW6
SW5
SW4
SPL
PG3
PG1
PG5
PG2
PG6
0 or +20dB
0 to -21dB
0 to -21dB
+6 to -70dB
0 or +20dB
COM
Analog Input L-ch
Analog Input R-ch
SPOLP
15
LRCK
32
DIN
2
MODE
28
BCK
1
DOUT
3
SCKI
7
SPOLN
14
SPL
+6 to -70dB
SPOLP
11
SPOLN
10
HPL
+6 to -70dB
HPOL/LO
17
HPR
HPOR
HPOL
COM
MONO
HPC
+6 to -70dB
HPOR/LOR
16
HPCOM/MONO
9
HDTI
8
ATT
Mute
MC/SCL
31
MD/SDA
30
MS/ADR
29
Decimation Filter
Interpolation Filter
3-D Enhancement
3-BAND Tone Control
Notch Filter
Interpolation Filter
3-D Enhancement
3-BAND Tone Control
Notch Filter
Possible for Power Up/Down
8
4
TESTN
5
EQP
6
EQN
IN
3
VREF1
7
VSS1
2
VDD1
15
VDD2
9 VDD3
1
DRCN
14
PDWN
16
MUTEN
17
13
VDD4
12 OUTP
11 VSS2
10 OUTN
+
–
–
+
–
–
LEVEL
SHIFTER
PWM
Modulator
MUTE
POWER DOWN,
PROTECTION
BUFFER
LEVEL
SHIFTER
OSC
BIAS
VREF
BUFFER
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