Audio Section - Sony D-VM1 Service Manual

D-VM1
– AUDIO SECTION –
ACH12
C
TO
ACH34
A/V DEC.
ACH56
SYSTEM CONTROL
BLOCK
384FS
LRCK
SCLK
IC1202
E
TO
SC1 2 4
A/V DEC.
SO1
SYSTEM CONTROL
BLOCK
CHMOD
VPCS
XVPRST
D
TO
INT5
A/V DEC.
SYSTEM CONTROL
XDACCS
BLOCK
XDACRST
VRCS
MAMUTE
VPMODE
Q302
INV.
Q301
INV.
• Signal Path
: DVD
: CD
: Y
: B-Y
: R-Y
IC1201
AUDIO DSP
20 SDI0
19 SDI1 SD00 14
18 SDI2
34 EXTAL
5 FSR
7
SCKR
4 FST
6
SCKT
26 SCK
24 MOSI
1 MODD
MODA
3
16 PC10
23
SS
29 XRESET
27 HREQ
IC301
IC303
AUDIO DAC
AMP
5
3 R+ 10 7
DATA
6
R– 9
1 MCLK
4 LRCK
3
2
SCLK
L+ 12
1
2
SC1
7 L– 11
8 SO1 Q102,
202
6 DACCS
SW
5 DACRST
MUTE
15
D3V IR3V
D301
Q304
SW MUTE SW
D303
Q305
Q303
INV.
IC304
LINE AMP
5
7
Q103,203
MUTE
3
1
Q101,
201
SW
IC305
IC306
EVR
BUFFER
5
W0 5
7
7
H0
6
3
W1 8
1
10 H1
2
13 CLK
12 DATA
3 XRST
IC309
RIPPLE FILTER
A5V
IC301,IC303,304
1 5
VCC
IC302
–5V SUPPLY
L303
5 V+ 2
OUT -5V
24 24
A3V
IC308
HP AMP
22 INR OUT-R 1
Q310,311
20 VCC1
BEEPOUT-R 24
VCC
23
VCC2
SWITCH OUT-C 4
21 INL OUT-L 6
D304
BEEPOUT-L
7
17 MUTESW
Q307
PWSW 18
13 C-AMPSW
SWITCH
16 BEEPIN
HPCNT
RSTMUTE
Q308
BEEPON
SW
Q306
XHPMUTE
SW
XAMUTE
LINER
I
TO
VIDEO OUT,
IF-COM
LINEL
BLOCK
HPL
H
HPCOM
HPR
TO
VIDEO OUT,
IF-COM
BLOCK
J302
PHONES
BEEP
G
TO
VIDEO OUT,
IF-COM
BLOCK