Sony Walkman MZ-R900 Service Manual - Page 33
Browse online or download pdf Service Manual for Stereo System Sony Walkman MZ-R900. Sony Walkman MZ-R900 50 pages. Service manual
Also for Sony Walkman MZ-R900: Operating Instructions Manual (20 pages), Specifications (2 pages), Limited Warranty (1 pages), Operating Instructions Manual (13 pages)
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MZ-R900
• IC Block Diagrams
IC301 AK4562VNS-L
21
20
19 18
17
16
15
CLOCK
CONTROL
CCLK
22
DIVIDER
REGISTER
CSN
23
I/F
AUDIO I/F
PDN
24
14
VT
CONTROLLER
SSB
25
13
DGND
LOUT1
26
A/D CONVERTER
12
VD
/HPF
OPGAL
27
11
VREF
ROUT1
28
10
VA
GAIN
GAIN
AMP
AMP
9
AGND
GAIN
AMP
8
VCOM
GAIN
AMP
1
2
3
4
5
6
7
IC302 AN7536FHNABV
16
15
14
HEADPHONE
/LINE
MUTE
BEEP
SW
–
+
R IN
1
GND
2
L IN
3
+
–
RIP FI
4
RF1
RF2
5
6
7
IC303 NJM2173APC1 (TE2)
13
12
11
OUT 1
13
AMP 1
NC
14
NC
15
OUT 2
16
AMP 2
12
ROUT
1
2
11
GND
10
L OUT
9
GA L
8
IC501 SN761057DBT
TE
1
REXT
2
Wpp LPF
3
VREF
4
C
5
D
6
D-C
7
Iy
8
Ix
9
Jx
10
Jy
11
A
12
A-C
13
B
14
TON-C
15
CIG
16
CDN
17
PD-NI
18
PD-I
19
PD-O
20
10
9
ADFG
21
8
NOISE
DVDD
22
7
GND
REG
6
V+
GV
5
STBY
3
4
32
32
44
ADIP-IN
43
S-MON
A+B+C+D
TWpp
I+J
PK/BTM
NPP
Aw
TON
CSLO
CSL
VREF075
Aw+Dw
A-C
S-MONITOR
TON Peak
D-C
TON Botm
Malfa
ADIP
Mij
TE
AwBPF
TE
Dw
TEMP
DwBPF
42
FE
Tpp/Wpp
41
ABCD
40
OFC-C1
39
OFC-C2
38
AVCC
PS
37
36
LP
RF
35
EQ
34
AGND
FE
33
RF
32
CCSL2
VC
ABCD
31
30
VREF075
29
PEAK
PEAK/BOTM
28
BOTM
OF TRK
DGND
27
26
OFTRK
T-ON
APC
25
RESET
SERIAL
24
SCK
I/F
23
SBUS
ADIP
32