Block Diagram - Audio Section - Sony HCD-DX155 Service Manual

HCD-DX155/DX255
6-3. BLOCK DIAGRAM – AUDIO SECTION –
• Signal Path
: AUDIO
AMP_D1-D3
AMP_BCK0,LRCK0,MCK0
AMP
A
SECTION
(Page 31)
IC802
FL DRIVER
DIN 7
8
CLK
9
STB
FL801
30 VFL
FLUORESCENT
INDICATOR TUBE
42
+3.3V
F1
F2
Q802
G1
FL DRIVER
S801 – S813
(FUNCTION KEY)
IC803
D813-D815
LED DRIVER
( INDICATOR )
Q0 DATA 3
6
Q811-Q820
|
CLK 4
LED SWITCH
15 Q9
LCK
5
E3.3V
IC801
REMOTE CONTROL
RECEIVER
S800
VOLUME
ENCODER
VOLUME
HCD-DX155/DX255
IC501 (3/4)
SYSTEM CONTROLLER
24 FL DATA
21 FL CLK
25 FL CS/STB
AMP_D0-D3
DIPCSFLAG 19
D3071-D3073
X502
13
Xout 5MHz
74 KEY INT
Xin 15
IC3003
SELECTER
2
5
22 LED LAT
1
6
MST 68
AMP_D2
4 SIRCS–IN
HPMUTE
53
HP_MUTE
PLUG_DET2
52
HP_SW
SCDT
1
DAMP SCDT
SHIFT
2
DAMP SHIFT
LAT1
47
DAMP LAT1
10 ENA
LAT2
48
DAMP LAT2
LAT3
11 ENB
49
DAMP LAT3
INIT
50
DAMP INIT
SOFTMUTE
DAMP SOFT MUTE 51
OVF
OVERFLOW1 44
OVF2
OVERFLOW2 45
RESET
42
DRIVE RST
DIAG
43
DRIVE OCP
IC3030
S-MASTER PROCESSOR
WF
AMP_D3
31 DATA 11
OUTL1
WF
MCK0
36 XFSIIN OUTL2 9
BCK0
C
30 BCK
OUTR1 6
LRCK0
29 LRCK
C
4
OUTR2
25 FLAGL OVF
OVF2
24 OVF FLAGR
SCDT
21 SCDT
SHIFT
22 SCSHIFT
LAT3
23 SCLATCH
INIT
27 INIT
NSPMUTE
FS0I 38
18 NSPMUTE
SOFTMUTE
19 SOFTMUTE
XFS0IN 48
20 PGMUTE
IC3010
S-MASTER PROCESSOR
HP
HPOUTL2 43
HP
HPOUTL1 45
20 PGMUTE
HP
39
HPOUTR2
HP
41
AMP_D1 HPOUTR1
31 DATA
FR
OUTR1 6
FR
MCK0
36 XFSIIN OUTR2 4
BCK0
FL
30 BCK
11
LRCK0 OUTL1
29 LRCK
FL
9
OUTL2
25 FLAGL OVF
OVF
24 OVF FLAGR
SCDT
21 SCDT
SHIFT 37
FSOCKOUT
22 SCSHIFT
LAT1
23 SCLATCH 38
FS0I
INIT
27 INIT
IC3051
NSPMUTE 48
XFS0IN
18 NSPMUTE OSC
SOFTMUTE
19 SOFTMUTE
14
XFS0OUT
X450
49.152MHz
IC3020
S-MASTER PROCESSOR
20 PGMUTE
SR
31 DATA OUTR1 6
SR
MCK0
36 XFSIIN 4
OUTR2
BCK0
30 BCK SL
11
LRCK0 OUTL1
29 LRCK
SL
9
25 FLAGL OVF OUTL2
SCDT
21 SCDT
SHIFT
22 SCSHIFT
LAT2
23 SCLATCH 38
FS0I
INIT
27 INIT
NSPMUTE
18 NSPMUTE
SOFTMUTE
SOFTMUTE 48
19 XFS0IN
24 OVF FLAGR
XFS0OUT 14
32 32
IC3001
COMPARATOR
+
3 L
1
–
2 R
+
5
7
–
6
PLUG DET2
Q450,451
HPMUTE
Q3081
Q460,461
MUTE SW
IC3500 MUTE
DX255
S-MASTER DIGITAL AMP
28
LPF
14 PWMB OUTB
30
6 PWMA 25
OUTA
LPF
27
5 RESET
IC3400
S-MASTER DIGITAL AMP
25
LPF
14 PWMB OUTB
27
28
6
PWMA OUTA
LPF
30
5 RESET
Q3401,3402
4
DC
DETECT
IC3300
S-MASTER DIGITAL AMP
28
6 PWMA
OUTA LPF
30
14 PWMB 25 LPF
OUTB
27
RESET
5
Q3301,3302
4
DC
DETECT
IC3100
S-MASTER DIGITAL AMP
25
14 PWMB LPF
OUTB
27
28
6 PWMA OUTA LPF
30
RESET
5
Q3101,3102
4
DC
DETECT
IC3150
S-MASTER DIGITAL AMP
28
6 PWMA LPF
OUTB
30
25
14 PWMB OUTA LPF
27
RESET
5
Q3151,3152
4
DC
DETECT
IC3200
S-MASTER DIGITAL AMP
25
14 PWMB OUTA LPF
27
28
6 PWMA
OUTB LPF
30
5 RESET
Q3201,3202
4
DC
DETECT
IC3250
S-MASTER DIGITAL AMP
28
OUTA
6 PWMBP LPF
30
25
14 PWMAP OUTB LPF
27
5 RESET
Q3251,3252
DC
4
DETECT
Q3551
FAN
+12V
PROTECT DETECT DRIVE
Q3000-3002
J402
PHONES
SPEAKER
(+)
WOOFER
(–)
(+)
CENTER
(–)
TB301
(+)
FRONT
R
(–)
(+)
FRONT
L
(–)
(+)
SUR R
(–)
TB302
(+)
SUR L
(–)
FAN