Read Sony STR-LSA1 Service Manual online
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
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