Audio (Out) Section - Sony SA-WSLF1 Service Manual

SA-WSLF1
— AUDIO (OUT) SECTION —
D1 - D3, SCK,
BCKO, LRCKO
AUDIO(DSP)
D
SECTION
J502
REMOTE
CONTROL
(TO CENTER SPEAKER SS-CTLF1)
IC506(1/2)
BUFFER
2
SIRCS
5
AC DETECT/CABLE DET
AMPMICON RESET
DI
DO
CABLE-DET2
(AMP MICOM)
EVER 5.6V
PCONT1
+15V
SYSTEM
CONNECTOR
(TO MAIN UNIT HCD-LF1)
C
SW
SL
SR
FL
FR
Cb/B
Cr/R
Y/CY/G
C/CVBS
CSOD
XRST
XLAT
DIAT TRANSMIT
F
SDATA
SECTION
SCLK
D2
D2(SL/SR)
BCKO
BCKO
LRCKO
LRCKO
Signal Path
: AUDIO
: Y
: CHROMA
: COMPONENT VIDEO
SA-WSLF1
+6V
6
3
IC531
IC526 (2/3)
DETECTOR
SYSTEM CONTROLLER
34 RESET
100 IF-IN
7 1
1 DAMP DATA HPSW
IC506(2/2)
BUFFER
HP-MUTE
90 STOP IN
Q508
OVERFLOW1
AC-DEC
A
E5.6V
PCONT VIDEO
SECTION
+15V
B
AUDIO(DSP)
SECTION
C
VIDEO
SECTION
OVERFLOW2
DAMP DATA
DAMP CLK
DAMP CS1 29
IC523(1/4)
LEVEL SHIFT DAMP CS3
1, 2 3
95 DIAT CSOD
DAMP INIT
DIAT XRST
97 DAMP SOFTMUTE
96 DIAT CS XLAT
4 DIAT DO
5 DIAT CLK
DRIVE-RST
DRI-OCP
(D2)
IC108
STREAM PROCESSOR
HPOUTL1
HPOUTL2
HPOUTR1
HPOUTR2
D1
31 DATA
SCK
36 XFSIIN
BCKO
30 BCK
LRCKO
29 LRCK
SCDT
21 SCDT
SHIFT
22 SCSHIFT
LATCH1
23 SCLATCH XFS0OUT
INIT
27 INIT
NSPMUTE
18 NSPMUTE
SOFTMUTE
19 SOFTMUTE
24 OVF FLAGR
HP-SW
65
Q517 HP-MUTE
60
SWITCH
8 9,10
85
IC523(2/4)
LEVEL SHIFT
X2 38
X502
20MHz
X1
39
IC110
STREAM PROCESSOR
4, 5
6
24 OVF FLAGR
86
IC523(3/4)
D3
LEVEL SHIFT
31 DATA
IC529(1/2)
LEVEL SHIFT SCK
36 XFSIIN
BCKO
30 BCK
4 16 SCDT
LRCKO
98
29 LRCK
5 15
SHIFT SCDT
99 21 SCDT
SHIFT
22 SCSHIFT
6 14 LATCH1 LAT3
23 SCLATCH
INIT
27 INIT
LATCH3
7 13 NSPMUTE
31
18 NSPMUTE
SOFTMUTE
19 SOFTMUTE
INIT
2 18
26
SOFTMUTE
3 17
28
IC529(2/2)
LEVEL SHIFT
8 12
43
12, 13
11
44
IC523(4/4)
LEVEL SHIFT
10 10
45
43
IC301
HEADPHONE
AMP
41
39
IC101
POWER DRIVER
29
OUTL1 11 2 PWMBP OUTB
30
25
OUTL2 9 17 PWMAP OUTA
26
OUTR1 6 4 RESET
OUTR2 4
8 13
14
FSOI 38 IC102
POWER DRIVER
IC305
XFSOIN 48
OSC
29
2 PWMBP OUTB
30
25
17 PWMAP
OUTA
26
X450
4 RESET
49.152MHz
8 13
IC105
POWER DRIVER
29
11 2 PWMBP OUTB
OUTL1
30
25
9 17 PWMAP OUTA
OUTL2
26
6 4 RESET
OUTR1
OUTR2 4
8 13
FSOI 38
37
FSOCKO
IC106
48 POWER DRIVER
XFSOIN
29
2 PWMBP
OUTB
30
25
17 PWMAP
OUTA
26
4 RESET
8 13
Q301
PROTECT DETECT
IC107
POWER DRIVER
29
2 PWMBP OUTB
30
25
17 PWMAP
OUTA
26
4 RESET
13 SD
J903
PHONES
Q903-905
MUTING
J906
LPF (+)
FRONT
L
LPF (–)
Q101, 102
OVER LOAD
DETECT
LPF (+)
FRONT
R
LPF (–)
Q103, 104
OVER LOAD
DETECT
SPEAKER
(IMPEDANCE USE 4Ω)
LPF (+)
CENTER
LPF (–)
Q109, 110
OVER LOAD
DETECT
LPF
LPF
SUB WOOFER
SPEAKER
Q111, 112
OVER LOAD
DETECT
FAN
+12V
FAN
DRIVE
Q303,304
LPF Q113, 114
OVER LOAD
LPF
DETECT