Sony STR-LSA1 Service Manual ▷ View online
17
17
SECTION 4
DIAGRAMS
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: TUNER
4-1. CIRCUIT BOARDS LOCATION
DISPLAY board
HEADPHONE JACK board
POWER board
SPEAKER TERMINAL board
SENSOR board
RDS board
MAIN board
DAC board
DIGITAL board
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
• WAVEFORMS
— RDS BOARD —
— RDS BOARD —
1
IC52
qf
(XO)
1.85Vp-p
(4.33 MHz)
0.24
µ
sec
— DAC BOARD —
1
IC301
eg
(XOUT)
44 nsec
6 Vp-p
(22 MHz)
— DIGITAL BOARD —
2
IC114
qd
(XOUT)
3.5 Vp-p
0.1
µ
sec
(10MHz)
1
IC109
es
(XO)
2.6 Vp-p
(24.576MHz)
40 nsec
STR-LSA1
18
18
4-2. BLOCK DIAGRAM DIGITAL SECTION
[DISPLAY]
A
[DAC]
B
11
10
8
6
46
48
33
32
79
80
83
81
23
21
20
18
17
2
39
32
44 46 49
11
10
34
23
26
25
24
1Q
2Q
3Q
4Q
5Q
6Q
7Q
OE
CLK
19 18 17 16 15 14 13
EOF
D0-D15
A0-A7
LED1
LED2
LED3
LED4
LED5
FL RES
SWD(DIR)
ANA INH
TUNER/AUX
[POWER]
E
POWER RY
[MAIN]
D
XL
T(DIR)
SCK(DIR)
XMOD(DIR)
XHDWR
XHDWR
XHDCS
XHDCS
HA0
HA0
X RST
X RST
BS(VOL)
BCK(DAC)
LRCK(DAC)
ADDA
TA
256FS
512FS
DA
TA(DAC)
DI(VOL)
CLK(VOL)
LA
TCH(DAC)
SHIFT(DAC)
INIT(DAC)
INIT(SRC)
A
TT(DAC)
AT
T
CLK-ST
CLK-SEL
DA
TA-ST
CE-ST
XHDRD
XHDRD
RDY
RD
WR
CSI
DIR-IN
ERR
22
21
SOD(DSP)
HRDY(DSP)
OE
LATCH1
LATCH2
LATCH3
LATCH4
LATCH5
LINE MUTE
L MUTE
TB0N,TBOP,TAON,TAOP
TB2N,TB2P,TA2N,TA2P
TB2N
DATA0
|
DATA3
CTL1
CTL0
SCLK
LREQ
TB2P
TA2N
TA2P
TA2N
TA2P
TB0N
TB0P
TB0P
TBIAS2
TBIAS0
TA0N
TA0P
TA0P
i.LINK S200
BIAS-ON
BIAS
Q101,102
BIAS
Q103,104
X101
24.576MHz
XI
XO
PHY
IC109
AUDIO-LINK
IC117
IC115
SRC
IC107
DSP
IC101
D0-D3
CTL1
CTL0
CTL0
SYSCLK
LREQ
22
DATA0
BCKO
DOUT
DIN
512FSI
SYSTEM CONTROL
IC114
49
|
52
77
|
74
13
14
16
17
14
16
17
57
|
60
125 124 122 123
17 33
34 35
18
DRAM
IC122
XWE
XOE
XCAS
XRAS
XWE
XOE
XUCAS
XLCAS
XRAS
IC317
GATE
3
7
11
13
2
6
12
14
P/SW
IC106
1A
3A
5A
6A
G1
1Y
5
4 2A
2Y
3Y
9
10 4A
4Y
5Y
6Y
G2
LRCKO
61 59 58 57
85
XRESET
XRDY
XRD
XWR
XCS
1,15
15
5
6
4
13
DIT
IC103
DATA
BCK
LRCK
XI
DO1
24
17
23
21
22
20
1
3
2
30
31
32
7
2
1
10
11
14
15
16
DIR
IC111
ERR
DOUT
DIN1
DIN2
LRCK
BCK
FS128
DOUT
LRCK
BCK
DATAO
LRCKO
BCKO
FS128
SRDT/DO
XMOD
AVCK
SCK/CL
XLT/CE
SWDT/DI
IC108
IC110
IC110
IC104
IC105
IC110
10
13
INIT
XI
4
2
3
7
1
113
114
114
115
116
5
6
5
4
4
3
25
26
26
27 PLLCKI
SYTO
1/8OUT
PLL
IC119
VCOO
FINA
FINB
88-73
72-65
1394RSET
38
POWER R
Y
SWD(DIR)
INIT(SRC)
XLT(DIR)
SCK(DIR)
XMOD(DIR)
31
BIAS-ON
BCK0
117 SIA
LRCK0
LRCK1
LRCK1
HD0-HD7
118 SIB
119 SIC
119 SIC
BCK1
IC102
99
CLKI(256FS)
1/2
13
5
2
SOA
SOD
HRDY
16-20,23-25
9 10 14 15
XHDWR
XHDRD
XHDCS
HA0
26
XRST
12
3
RESET
IC118
RESET GEN
13
15
XOUT
XIN
X102
10MHz
29 30
6
5
IIC CLOK
IIC DA
TA
E2PROM
IC116
1
11
2-9
1D-8D
2Q
3Q
4Q
5Q
6Q
7Q
OE
CLK
IC113
1
11
2-9
1D-8D
OE
CLK
HD0-HD8
IC112
1
11
2-9
12-19
1D-8D
1Q-8Q
1Q
2Q
3Q
4Q
5Q
6Q
7Q
OE
CLK
IC121
1
11
2-9
1D-8D
1Q
2Q
3Q
4Q
5Q
6Q
7Q
OE
CLK
8Q
8Q
8Q
12
IC120
1
11
2-9
1D-8D
27
28
51
PROTECT IN
PROTECT
CN102
CN103
DOP0
|
DOP7
7
|
1
100
35 36 37
FL DA
TA
D
ATA
FL C-SEL
SEL
FL CLOK
CLK
50 92 93 94 95 97 48 47
SIRCS IN
SIRCS IN
A/D KEY2
KEY2
KEY1
A/D KEY1
ENCODER B
ENC B
ENC A
ENCODER A
POWER KEY
POW KEY
VOL-A
VOL-B
VOL-A
VOL-B
18 20 52 53 54 90
RDS CLK-IN
RDS DA
TA-IN
TUNED
STEREO IN
ST DA
TA
IN
RDS CLK
RDS DA
TA
TUNED
STEREO
D IN
SIGNAL LEVEL
S-METER
TUNER MUTE
TUN MUTE
33
[RDS]
C
A0-A9
A0-A9
21-24,27-32
D0-D15
2-5,7-10
41-44,46-49
DT0-DT15
121-117,115-111
143-136,134-127
18 17 16 15 14 13
12
18 17 16 15 14 13
19
12
18 17 16 15 14 13
19
Q105
63-70
A0-A7
54-47,45-38
DATA0-DATA15
16
STR-LSA1
19
19
4-3. BLOCK DIAGRAM MAIN/POWER SECTION
8
9
10
13
14
4
16
2
13
11
6
3
5
2
6
1
2
8
7
4
27
11
26
10
28
16
18
19
20
21
56
55
55
12
22
25
36
3
1
35
1
5
6
3
1
14
12
13
X301
22MHz
X52
4.33MHz
DRIVER
Q305,306
DRIVER
Q311,312
OUTPUT
DRIVER
Q502-504
Q700
IC754
Q304
Q303
C
D
E
B
+12V
REG
3
1
+6V
REG
3
1
IC755
+5V
REG
3
1
IC756
+3.3V
REG
3
1
IC751
+10V
REG
3
1
IC757
+3.3V
REG
+3.3V(EVER)
TUNER :
3
2
IC753
IC752
–6V
REG
RDS
IC52
IC52
VOL
IC307
AD/DF/DAC
IC301
IDAC
IC303
TUNER UNIT
FM DET OUT
CE
DATA
CLOCK
D O
FMIF OUT
MUTING
TUNED
STEREO
L CH
R CH
R-CH
CE-ST
DATA-ST
RDSDATA
RDSCLK
CLOCK-ST
DIN
S-METER
TUNED
STEREO
TUN-MUTE
CLK
CLK(VOL)
DI(VOL)
BS(VOL)
INIT(DAC)
INIT(DAC)
DI
BS
RES
RES
VOUT1
ATT
L-MUTE
IC302
2
4 256FS
256CK
512CK
512FS
ADDATA
ADDT
15
MCK1
XOUT
XIN
INLM
INLP
LATCH
SHIFT
MODE
INIT
DPD
BCK2
BCK1
LRCK2
LRCK1
BCK(DAC)
LRCK(DAC)
INIT(DAC)
ATT(DAC)
SHIFT(DAC)
LATCH(DAC)
DADT
DATA(DAC)
INPUT
SELECTOR
IC310
ANALOG IN
L
R
TUNER/AUX
ANA INH
INH
A
X0
X1
X
CIREF
IOR+
IOR–
+5V
+5V
REG
IC305
IC301
IC307
IC317
IC318
D101-104
IC307
IC317
IC318
D101-104
D801-804
D702-705
T1
T2
POWER RY
Q705
VF1
VF2
F703
F702
F701
D751
D729
D728
D750
D727
D730
+39V
+15.5V
–15.5V
–39V
–29V
+12V
+6V
+5V
+10V
+3.3V
(SW)
–6V
FAN
SWITCH
Q706,707
RY1
F1
AC IN
PROTECT
SPEAKERS
TM501
L
R
RY501
RY502
4
3
+VOUT1
–VOUT1
IC700
OVER LOAD
DC
VCC
ON-MUTE
AC-OFF
RELAY
POWER AMP
IC501
IN1
NF1
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
PHONES
J501
63
62
61
60
56
1
2
A
G1
G1-G15 S1-S35
P1
P2
G15
40
54
S1
S35
5
39
1
–29V
DATA
DAT
CLK
CLK
SEL
FL RES
CS
RST
RST
V FL
VF1
VF2
FL
DRIVER
IC861
FL801
FL TUBE
LED3
LED2
LED4
LED1
SLEEP
MUTING
STANDBY
FLOW
DISPLAY
JOG
SELECT
+12V
KEY1
KEY2
VOL A
VOL B
ENC B
ENC A
SIRCS IN
IC881
SIRCS
RV801
VOL
RV802
JOG
DISPLAY
BAND
ENTER
TUNING
JOG MENU
OVERLOAD DET
Q505
OVERHEAT DET
ATT
Q309
LPF
MUTE
Q301
IC314(1/2)
IC312,314(2/2)
BAL UNBAL
I-AMP
IC306
41
39
18
20
17
21
9
8
5
6
3
4
11
10
13
12
1
2
IC317
+L1
–L2
IN1+R
IN1–R
IN2+R
IN2–R
IC308
UNBAL BAL
J101
R-CH
6
10
MUTING
Q307,308
S806
POWER KEY
I/u
S801
S804
S803
S802
S805
D841
D843
D846
D844
D845
D847
LED SW
Q843
LED SW
Q846
LED SW
Q844
LED SW
Q845
LED SW
Q847
LED SW
Q841
IC502
-29V REG
Q703
AC DET
D700
SPEAKER DET
D509,725
BUFFER
Q701,702
+3.3V
(EVER)
+3.3V
(SW)
ANTENNA
FM
AM
• Signal Path
• R-CH is omitted.
16
STR-LSA1
20
20
4-4. PRINTED WIRING BOARD DIGITAL SECTION
Ref. No.
Location
D101
E-9
D102
F-9
D103
E-9
D104
F-9
IC118
C-9
Q101
F-9
Q102
F-9
Q103
G-9
Q104
G-9
• Semiconductor
Location
• See page 17 for Circuit Boards Location.
(Page 29)
(Page 24)
(Page 24)
(Page 24)
(Page 24)
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
Click on the first or last page to see other STR-LSA1 service manuals if exist.