Sony TA-SB500WR2 Service Manual ▷ View online
17
TA-SB500WR2
IC101 XC62HR1502MR
•
IC Block Diagrams
– DIAT AMP Board –
IC102 CXD4017R
+
–
–
3
OUTPUT
CONTROL
REFERENCE
VOLTAGE
4
1
2
5
CURRENT
LIMIT
NC
VIN
CE
VSS
VOUT
ADVRH 6
VSS 5
VDDE 4
TEST14 3
TEST13 2
TEST12 1
ADAVS 7
ADAVD 8
ADVRL 9
ADVIN 10
VDDEE 11
VSS 12
XRST 13
DIFM0 14
DIFM1 15
TEST15 16
A/D
CONVERTER
BUFFER
RAM
ERROR
CORRECTOR
OUTPUT
INTERFACE
DEMODULATOR
PLREF
17
TEST16
19
APVCI
20
VSS
21
APCPO
22
APAVD
23
APAVS
24
APX
31
EXTCK
32
VSS
25
VDDI
26
VDDE
27
VCOR
28
CHNUM
29
DIVCODE
30
PLVAR
18
PLL
CLOCK
SELECTOR
CONTROLLER
CSOD
33
SRDT
34
SWDT
35
XSCEN
36
SCLK
37
SCMODE
38
OSCI
40
TEST0
44
TEST1
45
TEST2
46
TEST3
47
TEST4
48
OSCO
43
VSS
39
VDDE
41
VSS
42
CLOCK
GENERATOR
TEST11
64
EMPFS1
63
EMPFS0
62
DTVALID
61
DAOUT
60
LRCK
59
VDDI
58
VSS
57
VDDE
56
BCK
54
TEST10
55
TEST9
53
TEST8
52
TEST7
51
TEST6
50
TEST5
49
18
TA-SB500WR2
IC104 TK11225CMCL-G
IC105 PST3629NR
IC110, 112 CXD9774M
IC113 TK11118CSCL-G
1
2
3
6
4
CONT
GND
NP
VIN
5
GND
VOUT
CONTROL
CIRCUIT
BANDGAP
REFERENCE
CONSTANT
CURRENT
SOURCE
OVER HEAT &
OVER CURRENT
PROTECT
VDD 2
OUT 1
GND 3
+
–
VREF
CD
5
NC
4
RESET 4
GND 1
GND 3
PWM BP 2
DREG RTN 5
GVDD 6
M3 7
M1 10
M2 11
DVDD 12
DREG 8
DGND 9
DGND 14
GND 16
GND 18
PWM
RECEIVER
TIMING
CONTROL
&
PROTECTION
SD 13
OTW 15
DIGITAL
REGULATOR
PROTECTION
LOGIC
OT
&
UVP
DVDD DREG
DREG
DGND
PWM AP 17
PWM
RECEIVER
DVDD DREG
DGND
DREG
GVDD
DREG
GATE
DRIVE
GVDD B
35
GVDD B
36
BST B
33
PVDD B
32
PVDD B
31
OUT B
30
OUT B
29
GND
28
GND
34
GATE
DRIVE
OCH
OCL
TIMING
CONTROL
&
PROTECTION
DREG
GATE
DRIVE
GVDD A
20
GVDD A
19
BST A
22
PVDD A
23
PVDD A
24
OUT A
25
OUT A
26
GND
27
GND
21
GATE
DRIVE
OCH
OCL
GVDD
GVDD
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
19
TA-SB500WR2
IC301 CXD9843AR
IC903 SI-3120KM-TL
12
11
10
9
8
7
6
5
4
3
VSUBC
XVSS
OUTR2
VSSR
OUTR1
VDDR
VSSL
VSSR
OUTL2
OUTL1
VSSL
VDDL
2
1
PWM
CLOCK
GENERATOR
(SECONDARY)
CLOCK
GENERATOR
(PRIMARY)
31
29
25
OVFFLAGL
26
SFLAG
27
INIT
30
S g P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
∆ Σ
48
XFSOIN
47
XVDD
HPVDDL
46
45
HPOUTL1
HPVSSL
44
43
HPOUTL2
HPVDDR
42
41
HPOUTR1
HPVSSR
40
HPOUTR2
39
37
FSOCKO
38
FSOI
13
XOVSS
14
XFSOOUT
15
XOVDD
16
DVDD
17
DVSS
18
NSPMUTE
19
SOFTMUTE
20
PGMUTE
SERIAL
CONTROLLER
21
SCDT
22
SCSHIFT
23
SCLATCH
24
OVFFLAGR
28
MCKSEL
32
BFVDD
33
BFVSS
34
TEST
35
DVDD
36
XFSIIN
LRCK
BCK
DATA
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
20
TA-SB500WR2
IC904 NJM2374AE (TE2)
– DIAT POWER Board –
IC901 STR-W6735N
CS 1
ES 2
CT 3
IN+
5
Q
S
R
PWM
LOGIC
OSC
GND 4
V+
6
VREF
+
–
+
–
+
–
ERROR AMP
PWM
COMPARATOR
SI
7
CD
8
IPK SENSE
D 1
NC 2
S/GND 3
VCC 4
SS/OLP 5
FB 6
OCP/BD 7
DELAY
Q
R
S
+
–
+
–
+
–
Q
S
R
+
–
BOTTOM
SELECTOR
COUNTER
OSC
R
Q
S
SOFT START
+
–
OVP
REGULATOR
& ICONST
+
–
BURST
CONTROL
START/STOP
BURST
PROTECTION
LATCH
DRIVE
REGULATOR
OLP
BSD
BD
OCP
FB
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