Diagrams; Block Diagram - Sony TA-SB500WR Service Manual

Q Q
3 7 6 3 1 5 1 5 0

3-1. BLOCK DIAGRAM

IF +5V
IC102
RF DEMODULATOR,
A/D CONVERTER
J100
LPF 10 ADVIN DAOUT
DIR-R1
BCK
LRCK
APX
XRST
CSOD
DTVALID
SRDT
SWDT
43 OSCO
SCLK
X101
XSCEN
12.288MHz
40 OSCI
SCMODE
T E
L 1 3 9 4 2 2 9 6 5 1 3
D400
POWER/ON-LINE
w w w
TA-SB500WR
SECTION 3

DIAGRAMS

60
IC109
54
LEVEL
59
SHIFT
31
IC107
SURROUND AMP CONTROLLER
13 61
26 XRST_INIT DAMP_SCDT
60
DAMP_SHIFT
DAMP_LATCH 59
33 15 CSOD
IC106
35
DAMP_NSPMUTE
61 LEVEL
14 DTVALID
DAMP_SOFTMUTE 34
SHIFT
34
DAMP_PGMUTE 33
53 DIAT_SRDT
35 52 DIAT_SWDT
IC103
37 51 DIAT_SCLK
LEVEL
DRIVE_RST 37
36 50 XSCEN
SHIFT
38 48 SCMODE DRIVE_OCP 38
AC CUT 17
22 X0
X102
8MHz
X1
23
/RESET 19
LED DRIVE
41 LED_GREEN
Q104, 112
LED DRIVE
42 LED_RED
Q103, 111
V_CONT 58
MAIN_OFF 57
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8
IC111
STREAM PROCESSOR
31 DATA 9
OUTL2
30 BCK
11
OUTL1
29 LRCK
OUTR2 4
36 XFSIIN
6
OUTR1
27 INIT
IC114
XFSOIN 48
OSC
X103
49.152MHz
21 SCDT
22 SCSHIFT
23 SCLATCH
18 NSPMUTE
19 SOFTMUTE
20 PGMUTE
AC CUT
Q110
Q Q
3 7 6 3
RESET SWITCH
Q102
IF +5V
+1.5V
+3.3V +1.5V
REGULATOR
IC101
VOLTAGE
DETECT
IC105
+2.5V
+2.5V
REGULATOR
IC104
+1.8V +3.3V
+1.8V
REGULATOR REGULATOR
IC113 IC108
u 1 6 3
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7 7
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2 4
9 9 8
T100
IC110
SPEAKER
POWER DRIVER
17 PWM_AP 25, 26 LPF
OUT_A
2 PWM_BP 29, 30 LPF
OUT_B
Q108, 109
4 13
OVER LOAD
DETECT
IC112
POWER DRIVER
17 PWM_AP OUT_A 25, 26 LPF
2 PWM_BP OUT_B 29, 30 LPF
Q105, 106
4 13 OVER LOAD
DETECT
Q107
PROTECT DETECT
ISOLATOR
PC902
1 5 1 5 0 8 9 2 4
POWER
TRANSFORMER
+30V
TH901
T901
+12V
+12V REGULATOR
IC903
DC/DC
RECT
CONVERTER
D921
IC904
+20V
REGULATOR
Q901
ISOLATOR
PC901
SHUNT
REGULATOR
IC905
ISOLATOR
PC903
m
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TA-SB500WR
2
9 9
• SIGNAL PATH
: AUDIO
(+)
SURROUND
L
(–)
(+)
SURROUND
R
(–)
9 8 2 9 9
S901
POWER
(AC IN)
RECT LINE FILTER
D901 LF901, 902
D911
1 D
D907, 909
7 OCP/BD
D908
4 VCC
D910
6 FB
OVER LOAD
5 OLP/SS
PROTECT
Q902, 903
POWER CONTROL
IC901
TH902