Sony STR-LSA1 Service Manual ▷ View online
33
— DIGITAL BOARD —
IC103
TC9271F (ELP)
BLOCK 1
UBDA 2
LRS 3
LRCK 4
BCK 5
DATA 6
VLDY 7
EMPH 8
COPY 9
FS1 10
FS2 11
FS2 11
CKS 12
XI 13
VSS
VDD
CKA2
CKA1
LBIT
FR32
CKA2
CKA1
LBIT
FR32
CTG3
CTG2
CTG1
CTG2
CTG1
IS2
IS1
M2
M1
IS1
M2
M1
DO2
DO1
DO1
14
28
27
26
25
24
27
26
25
24
23
22
21
22
21
20
19
18
17
19
18
17
16
15
15
CATEGORY
CODE
REGISTOR
CLOCK
GEN
PARITY
GEN
SERIAL
I/F
DATA
INPUT
PHASE
SELECT
BI-PHASE
MARK MOD
4-15.
IC BLOCK DIAGRAMS
— DAC BOARD —
IC303
CXA8055M-E1
42
41
40
39
38
37
36
35
34
33
31
30
29
28
27
26
25
24
23
22
32
1
CIREF
ANALOG
VOLUME
CONTROL
CIRCUIT
CONSTANT
CONTROL
CIRCUIT
ECL
SWITCHING
CIRCUIT
ECL
SWITCHING
CIRCUIT
LOGIC
REFERENCE
VOLTAGE
CIRCUIT
NC
AGND
NC
IOR–
IOR+
C5
C6
C7R
AVEES
AVEES
C4R
C3
DVEE
C1R
DGND
1N1–R
1N1+R
NC
1N2+R
1N2–R
RIREF
VREF
VCNT
AGND
AV
CC
NC
IOL–
IOL+
C7L
AVEES
AVEES
C4L
DV
EE
DV
CC
C1L
DGND
1N1–L
1N1+L
NC
1N2+L
1N2–L
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
21
11
CONSTANT
CONTROL
CIRCUIT
34
IC107
CXD8517Q
COEFFIENT
ROM
ATT/MODE
REGISTER
REGISTER
L-CH RAM B
L-CH RAM A
REGISTER
MPY
REGISTER
20 bit ADD
REGISTER
20 bit ADD
25 bit ACCUMLATOR
OVER FLOW LIMITER
REGISTER
R-CH RAM B
FIR FILTER CONTROL
(RAM/ROM/A
CC
)
OUTPUT I/F (P1-S0)
R-CH RAM A
REGISTER
19 bit
ADD
19 bit
ADD
RES
SAMPLING
RATE
POINTER
GENERATOR
FLAME
COUNTER
INPUT I/F (S1-P0)
1 2 3 4 5
7
9
10 11
12
13
14
15
16
18
20
21
22
23
19
17
6
24
25
26
27
32
33
35
34
36
37
38
39
40
41
42
42
43
44
31 30
29 28
NC
TEST
FIS1
FIS0
FIS0
PASS
GND
XO2
V
DD
XO
XI
GND
8
NC
INIT
MO1
MO0
FI128
V
DD
MI1
MI0
BCKI
LRCKI
DATAI
NC
SLAVE
SWDT
SCK
XLAT
GND
FS2
FS1
DEMP
MUTE
NC
NC
LRCKO
BCKO
DATAO
NC
V
DD
STA
TEST3
TEST2
TEST1
NC
IC109
CXD1945R
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
PC1
PC2
DVSS
DVSS
LPS
LREQ
DVDD
SCLK
DVSS
CTL0
CTL1
DVDD
D0
D1
DVSS
D2
D3
DVDD
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVDD
DVDD
DVSS
PURB
AVDD1
AVSS
AVDD1
XO
XI
AVSS
AVSS
AVSS
AVDD1
LF
VCOR
AVSS
TP
AOP
TP
AON
TPBOP
TPBON
TP
A1P
TP
A1N
TPB1P
TPB1N
TP
A2P
TP
A2N
TPB2P
TPB2N
TPBLAS0
TPBLAS1
TPBLAS2
A
VDD1
CPS
REXT
VREF
AV
S
S
DVDD
PC0
CMC/LINKON
DIRECT
TEST0
TEST1
DVSS
AVDD1
AVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
NC
NC
DVDD
NC
NC
TRANSMITTER
&
RECEIVER
TRANSMITTER
&
RECEIVER
TRANSMITTER
&
RECEIVER
TPBIAS
GEN.
CABLE
POWER
STATUS
STATUS
VOLTAGE
CURRENT
GEN.
LINK INTERFACE
PLL
24.576MHz
CRYSTAL
OSCILLATOR
CONTROL
UNIT
DS-LINK
ENCODER/DECODER
196.603MHz CLK
35
— MAIN BOARD —
IC501
uPC2581V
PROTECTOR
DRIVE
1
2
3 4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
MUTE
+VOUT1
–
VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
–
VOUT2
+VOUT2
VCC1
VCC2
VEE
DRIVE
IC700
uPC1237HA
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
V
CC
— RDS BOARD —
IC52
BU1924
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
QUAL
R
D
ATA
VREF
VDD1
VSS1
MUX
VSS3
CMP
RCLK
XO
XI
(NC)
VDD2
VSS2
T1
T2
8TH SWITCHED
CAPACITOR
FILTER
PLL 57KHz
RDS/ARI
BIPHASE
DECODER
DEFFERENTIAL
DECODER
PLL
1187.5Hz
TEST
CLOCK
IC111
LC89051V-TLM
1
2
3
4
3
4
5
6
7
8
9
7
8
9
10
11
12
24
23
23
22
21
20
19
19
18
17
16
15
14
15
14
13
DIN1
ERROR
DATAOUT
LRCK
BCK
FSI28
FSI28
CKOUT
DQSY/LD
SRDT/DO
SWDT/DI
SRDT/DO
SWDT/DI
XLAT/CE
SCLK/CL
SCLK/CL
TEST2
DIN2
E/DOUT
VDD
R
VIN
VCO
XMODE
GND
CKSEL
AVOCK
TEST1
INPUT
PLL
DATA
DEMODULATION
LOCK ERROR
DET
MUTE
OUTPUT
TIMING
3
C BIT
DET
SUB-Q
DET
MICOM
INTERFACE
TEST
3
IC119
TLC2932IPW-E20
1
2
3
4
5
6
7
14
13
12
11
10
9
8
PFD
1/2 DIVIDER
VCO
LOGIC
VDD
SELECT
VCO
OUT
OUT
FIN-A
FIN-B
PFD
OUT
LOGIC
GND
VCO
VDD
VDD
R BIAS
VCO
IN
VCO
GND
VCO
INHIBIT
PFD
INHIBIT
NC
SECTION 5
EXPLODED VIEWS
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Accessories and packing materials are given in
the last of this parts list.
the last of this parts list.
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
36
5-1. MAIN SECTION
not supplied
not
supplied
supplied
2
1
3
4
5
7
8
9
10
11
12
12
13
13
14
15
16
17
18
18
#1
#1
#1
#1
#1
#1
#1
#1
6
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
1
X-4952-841-1 KNOB (R28) ASSY
2
4-227-186-01 ESCUTCHEON (28)
3
X-4952-842-1 KNOB(R34) ASSY
4
4-227-187-01 ESCUTCHEON (34)
5
4-227-188-01 BUTTON (F)
6
4-227-843-01 SCREW (TP), FLAT HEAD
7
X-4953-079-1 PANEL(BASE) ASSY
8
A-4428-679-A DISPLAY BOARD, COMPLETE
9
4-951-620-01 SCREW (2.6X8), +BVTP
10
1-675-042-11 HEADPHONE JACK BOARD
11
1-773-246-11 WIRE (FLAT TYPE) (27 CORE)
12
4-227-204-01 PLATE (SIDE), ORNAMENTAL
13
4-225-926-01 SCREW (CASE)
14
4-227-206-01 CASE (TOP)
15
4-225-919-01 EMBLEM (LISSA)
16
4-227-205-01 ESCUTCHEON (REAR)
17
4-227-207-01 CASE (BOTTOM)
18
X-4952-510-1 FOOT ASSY
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 TT(B)
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