Audio Section - Sony HCD-BC150 Service Manual

– AUDIO SECTION –
• Signal Path
: AUDIO
D1 – D3, SCK,
BCKO, LRCKO
AMP
A
SECTION
FL801
FLUORESCENT
INDICATOR TUBE
Q815
G2
FL DRIVER
Q814
G1
FL DRIVER
S800 – S818
IC800
REMOTE CONTROL
RECEIVER
HCD-BC150/BC250
IC509 (3/4)
IC803
SYSTEM CONTROLLER
FL DRIVER
7 27 FL DATA
DIN
CLK 8 29 FL CLK
9 30 FL STB
STB
HP SW
HP MUTE
41 42
BACK LIGHT
STBY LED
20 KEY INT
X1
21 RM_INT
X2
Q505, 504
LOW PASS FILTER
34 SIRCS–IN
DAMP SCDT
DAMP SHIFT
DAMP LAT1
DAMP LAT2
DAMP LAT3
DAMP INIT
DAMP SOFT MUTE
DRIVE RST
DRIVE OCP
STREAM PROCESSOR
D1
31 DATA
SCK
36 XFSIIN
BCKO
30 BCK
LRCKO
29 LRCK
SCDT
21 SCDT
SHIFT
22 SCSHIFT
LAT1
23 SCLATCH
INIT
27 INIT
NSPMUTE
18 NSPMUTE
SOFTMUTE
19 SOFTMUTE
HP-SW
50
HP-MUTE
51
STREAM PROCESSOR
D2
31 DATA
SCK
36 XFSIIN
D816 – D821
BCK
30 BCK
Q820 – 822
LRCK
32
29 LRCK
LED DRIVE
SCDT
21 SCDT
SHIFT
22 SCSHIFT
D802 LAT2
23 SCLATCH
33
INIT
STANDBY
27 INIT
NSPMUTE
18 NSPMUTE
SOFTMUTE
19 SOFTMUTE
14
X502
5MHz
15
STREAM PROCESSOR
D3
31 DATA
SCK
36 XFSIIN
BCKO
30 BCK
SCDT
LRCKO
43 29 LRCK
SHIFT
44
LATCH1 SCDT
45 21 SCDT
LATCH2
SHIFT
46 22 SCSHIFT
LATCH3 LAT3
47 23 SCLATCH
INIT INIT
48 27 INIT
SOFTMUTE
NSPMUTE
49 18 NSPMUTE
SOFTMUTE
19 SOFTMUTE
39
40
25 25
IC108
45
HPOUTL1
HPOUTL2 43
IC301
HEADPHONE
AMP
41
HPOUTR1
HPOUTR2 39
POWER DRIVER
R
11 2 PWMBP
OUTL1
R
9
OUTL2 17 PWMAP
L
RESET
4
OUTR1 6
L
4
OUTR2
14
XFS0OUT
FS0I 38
POWER DRIVER
IC305
48
XFS0IN
OSC
2 PWMBP
17 PWMAP
X450 RESET
4
49.152MHz
IC109
XFS0OUT 14
POWER DRIVER
SR
11 2 PWMBP
OUTL1
SR
9
OUTL2 17 PWMAP
SL
RESET
4
OUTR1 6
SL
4
OUTR2
38
FS0I
XFS0IN 48
POWER DRIVER
2 PWMBP
17 PWMAP
4 RESET
IC110
POWER DRIVER
SW
11 2 PWMBP
OUTL1
SW
9 17
OUTL2 PWMAP
C
RESET
4
OUTR1 6
C
4
OUTR2
38
FS0I
FS0CKO 37
POWER DRIVER
XFS0IN 48
2 PWMBP
17 PWMAP
4 RESET
PROTECT DETECT
HCD-BC150/BC250
J800
PHONES
Q507
Q801 - 804
MUTING
MUTING
CONTROL
TB301
IC102
SPEAKER
29
LPF (+)
OUTB
30
FRONT
25 R
LPF (–)
OUTA
26
Q101, 102
13
DC
DETECT
IC101
29
OUTB LPF (+)
30
FRONT
25 L
OUTA LPF (–)
26
Q103, 104
13
DC
DETECT
IC104
29
LPF (+)
OUTB
30
REAR
25 R
LPF
OUTA (–)
26
Q105, 106
13
DC
DETECT
IC103
29
OUTB LPF (+)
30
REAR
25 L
OUTA LPF (–)
26
Q107, 108
13
DC
DETECT
IC106
29
(+)
OUTB LPF
30
WOOFER
25
OUTA LPF (–)
26
Q109, 110
13
DC
DETECT
IC105
29
OUTB LPF (+)
30
CENTER
25
LPF (–)
OUTA
26
Q111, 112
DC
13
DETECT
FAN
+12V
FAN
DRIVE
Q301
Q303,304