Audio Section - Sony HCD-BC150 Service Manual

HCD-BC150/BC250
— AUDIO SECTION —
• Signal Path
: AUDIO
D1 – D3, SCK,
BCKO, LRCKO
VIDEO
A
SECTION
IC803
FL DRIVER
DIN
CLK
STB
FL801
FLUORESCENT
INDICATOR TUBE
41 42
Q815
G2
FL DRIVER
Q814
G1
FL DRIVER
S800 – S818
LOW PASS FILTER
IC800
REMOTE CONTROL
RECEIVER
VIDEO SYS RESET,MUTE REQ
S
SECTION
HCD-BC150/BC250
IC509 (2/3)
SYSTEM CONTROLLER
7 27 FL DATA
8 29 FL CLK
9 30 FL STB
HP SW 1
2
HP MUTE
Q820 – 822
32
BACK LIGHT
LED DRIVE
33
STBY LED
20 KEY INT
X1 14
X501
5MHz
21 RM_INT X2
15
Q507, 506
34 SIRCS–IN
92
OVER FLOW1
93
OVER FLOW2
DAMP SCDT 43
DAMP SHIFT 44
45
DAMP LAT1
46
DAMP LAT2
DAMP LAT3 47
48
DAMP INIT
49
DAMP SOFT MUTE
SYS RESET
40 SYS RESET
MUTE REQ
39 MUTE REQ
DRIVE RST 9
8
DRIVE GCP
IC108
STREAM PROCESSOR
HPOUTL1 45
43
HPOUTL2
HPOUTR1 41
39
HPOUTR2
24 OVF FLAGR
OVF
25 OVF FLAGL
D1
31 DATA OUTL1 11
SCK
36 XFSIIN OUTL2 9
BCKO
30 BCK
6
LRCKO OUTR1
29 LRCK
OUTR2 4
SCDT
21 SCDT
SHIFT
22 SCSHIFT
LAT1 14
XFS0OUT
23 SCLATCH
INIT
37
FSOCKO
27 INIT
NSPMUTE
38
FSOI
18 NSPMUTE
SOFTMUTE
19 SOFTMUTE
48
XFS0IN
HP-SW
IC109
HP-MUTE
STREAM PROCESSOR
24 OVF FLAGR
OVF 14
XFS0OUT
25 OVF FLAGL
D2
31 DATA OUTL1 11
SCK
36 XFSIIN 9
D816 – D821 OUTL2
BCK
30 BCK
6
LRCK OUTR1
29 LRCK
OUTR2 4
SCDT
21 SCDT
SHIFT
22 SCSHIFT
D802 LAT2
23 SCLATCH FS0I 38
STANDBY INIT
27 INIT
NSPMUTE 48
XFS0IN
18 NSPMUTE
SOFTMUTE
19 SOFTMUTE
IC110
STREAM PROCESSOR
OVF
25 OVF FLAGL
OVF2
24 OVF FLAGR
D3
31 DATA OUTL1 11
OVF
SCK
36 XFSIIN 9
OUTL2
OVF2 BCKO
30 BCK
6
SCDT LRCKO OUTR1
29 LRCK
SHIFT
OUTR2 4
LAT1 SCDT
21 SCDT
LAT2 SHIFT
22
SCSHIFT
LAT3 LAT3
23 SCLATCH
INIT INIT
27 INIT 38
FSOI
SOFTMUTE NSPMUTE
18 NSPMUTE
SOFTMUTE
SOFTMUTE 48
19 XFS0IN
20 20
IC301
HEADPHONE
AMP
3
1
2
Q505
5
Q801 - 804
7 MUTING
MUTING
6
CONTROL
IC102
POWER DRIVER
R
29
2 PWMBP LPF
OUTB 30
R
25
17 PWMAP LPF
OUTA
26
L
4 RESET
L
13
IC101
POWER DRIVER
IC305
OSC
29
2 PWMBP LPF
OUTB 30
25
17 PWMAP LPF
OUTA
26
X450 4 RESET
49.152MHz
13
IC104
POWER DRIVER
SR
29
2 PWMBP LPF
OUTB 30
SR
25
17 PWMAP LPF
OUTA
26
SL
4 RESET
SL
13
IC103
POWER DRIVER
29
2 PWMBP LPF
OUTB 30
25
17 LPF
PWMAP OUTA
26
RESET
4
13
IC106
POWER DRIVER
SW
29
2 PWMBP OUTB LPF
30
SW
25
17 PWMAP LPF
OUTA
26
C
4 RESET
C
13
IC105
POWER DRIVER
29
2 PWMBP
OUTB 30 LPF
25
17 LPF
PWMAP OUTA
26
RESET
4
13
Q301
PROTECT DETECT
J800
PHONES
TB301
SPEAKER
(+)
FRONT
R
(–)
Q101, 102
DC
DETECT
(+)
FRONT
L
(–)
Q103, 104
DC
DETECT
(+)
REAR
R
(–)
Q105, 106
DC
DETECT
(+)
REAR
L
(–)
Q107, 108
DC
DETECT
(+)
WOOFER
(–)
Q109, 110
DC
DETECT
(+)
CENTER
(–)
Q111, 112
DC
DETECT
FAN
+12V
FAN
DRIVE
Q303,304