Sony HST-SE581 User manual

HST-SE581
AEP Model
E Model
Australian Model
SERVICE MANUAL
CASSETTE DECK RECEIVER
MICROFILM
ManufacturedunderlicensefromDolbyLaboratories
Licensing Corporation.
“DOLBY” and the double-D symbol aand “PRO
LOGIC” are trademarks of Dolby Laboratories
Licensing Corporation.
•Thissetisthe tunerdeck andamplifier
section in SEN-T481.
SPECIFICATIONS
Tape deck Model Name Using Similar Mechanism HST-471
Section Tape Transport Mechanism Type TCM-220WR2
— Continued on next page —
Tuner section
FM stereo, FM / AM superheterodyne tuner
FM tuner section
Tuning range 87.5 – 108.0 MHz
Antenna FM leadantena
Antenna terminals 75 Ωunbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuningrange
European model: 531 – 1,602 kHz
Other models: 531 – 1,602 kHz (with the interval set at
9 kHz)
530 – 1,710 kHz (with the interval set at
10kHz)
Antenna AM loop antenna, outdoor antenna
terminals
Intermediate frequency450 kHz
Amplifier section
European models:
(FRONT)
DIN power output 90 + 90 W
(at rear / center / woofer off at 1 kHz, 8 Ω)
Continuous RMS power output
110 + 110 W
(at rear / center / woofer off at 1 kHz,
10% THD, 8 Ω)
70 W / ch
(at SURROUND ON at 1 kHz,
10% THD, 8 Ω)
(REAR) 40 W
(at front / center / woofer off at 1 kHz, 8 Ω)
(CENTER) 40 W
(at front / rear / woofer off at 1 kHz, 8 Ω)
(WOOFER) 70 W
(at front / rear / center off at 40 Hz, 4 Ω)
Other models:
Peak music power output 1,600 W (total)
(FRONT)
Continuous RMS power output
90 + 90 W
(at rear / center / woofer off at 1 kHz,
10% THD, 8 Ω)
(REAR) 40 W
(at front / center / woofer off at 1 kHz, 8 Ω)
(CENTER) 40 W
(at front / rear woofer off at 1 kHz, 8 Ω)
(WOOFER) 70 W
(at front /rear/ center off at 40 Hz, 4 Ω)
Inputs
PHONO (phono jacks):
sensitivity 2.5 mV, impedance 50 kΩ
CD (phono jacks): sensitivity 400 mV, impedance 50 kΩ
VIDEO1, 2 (phono jacks):
sensitivity 250 mV, impedance 50 kΩ

HST-SE581
— 13 — — 14 —
5-3. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • See page 10 for Waveforms. • See page 39 for IC Block Diagrams.

HST-SE581
— 15 — — 16 —
5-4. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • See page 39 for IC Block Diagrams.

HST-SE581
— 21 — — 22 —
5-7. SCHEMATIC DIAGRAM — DISPLAY SECTION — • See page 10 for Waveforms. • See page 41 for IC Pin Function.

HST-SE581
— 25 — — 26 —
5-9. SCHEMATIC DIAGRAM — SW SECTION —
DOLBY NR
1/u

HST-SE581
— 29 — — 30 —
5-11. SCHEMATIC DIAGRAM — POWER AMP SECTION — • See page 39 for IC Block Diagrams.

HST-SE581
— 33 — — 34 —
5-13. SCHEMATIC DIAGRAM — DECK SECTION — • See page 39 for IC Block Diagrams.

HST-SE581
— 37 — — 38 —
5-15. SCHEMATIC DIAGRAM — POWER TRANSFORMER SECTION —
EXCEPT
E MODEL
EXCEPT
E MODEL

HST-SE581
— 39 — — 40 —
5-16. IC BLOCK DIAGRAMS
IC300 LV1041M (MAIN BOARD)
IC302 LC7822 (MAIN BOARD)
IC401 LC75373ED (MAIN BOARD)
IC502 LB1641 (MAIN BOARD)
12
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
19
17
18
20
21
32
31
30
2928
27
26
25
24
23
22
33
44
43
42
41
40
39
38
3736
35
34
73
7475
76
77
78
79
80 72 65
66
67
68
6970
71
52
51
50
49
48
47
46
45
53
54
55
56
57
58
59
60
61
62
63
64
STRIM
OSC
VOL
VOL
VCA VCA P
B
P
B
VCA VCA
VCA VCA VCA VCA
IEV
NOISE
GEN
NOISE
FILTER
BPF
CONTROL
CH
CONTROL
BPF
V REF
STRIM
S
MODE
RECT
RECT
DC
CUT
B NR
OUT
FILTER
DATA
DECODER
VOL/
MUTE
BPF
RECT
LOGIC
FF
LOGIC
FF RECT
C MODE
LOGIC LOGIC
MASTER
VOL
NF
SW
S
S
S
PPB
B
BB
P
B
C
D
R
L
CS
LR
PP
P
B
P
B
P
BP
B
P
B
S
MASTER VOL
VDD
PCM
PCM
CONTROL
SRAM
IN
FILTER
R
L
C
S
RP
B
P
B
P
B
P
B
L
L
R
L
R
R BPF2
R BPF1
S DC OUT
C DC OUT
R DC OUT
L DC OUT
V REF
VCC
C OUT
S OUT
R OUT
L OUT
GND
L IN
R IN
S IN
DELAY OUT
C VOL IN
DET
IREF
R OUT
R NF
L NF
L OUT
L BPF2
L BPF1
RT IN
LT IN
DC CUT
C MODE
GND
NS BPF1
OSC
NS BPF2
ENABLE
DATA
CLK
DATA
CLK
ENABLE2
VSS
OSC
OSC
VDD
A/D
NS
D/A
DC CUT
VCC
C VOL OUT
C OP IN
GND
C OP NF
C OP OUT
VOL REF
S OP OUT
S OP NF
S OP IN
S VOL OUT
L RECT
DC CUT4
R RECT
DC CUT3
L BPF3
VLR TH
VLR 1 VLR 2 VCS 2 VCS 1
VCS TH
L+R RECT
DC CUT2
L-R RECT
DC CUT1
R DET3
OP VREF
S VOL IN
S OUT
DC CUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
CONTROL
LATCH
SHIFT RESISTOR
LEVEL SHIFT
CL
DI
CE
VEE
OUT
IN
OUT
IN
OUT
IN
VSS
S
RESET
VDD
OUT
ININ
OUT
IN
OUT
IN
+
–
+
–
+
–
+
–+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–+
–
+
–
+
–
+
–
DECODER LATCH SHIFT
REGISTER CONTROL
–
+
+
–
12 3 45 6 7 8 9 10
20
19
18
17
16
15
14
13
12
11
21
22
2324252627282930313233
34
35
36
37
38
39
40
41
42
43
44
LSELO
L4
L3
L2
L1
VDD
R1
R2
R3
R4
RSELO
RVRIN
RCOM
RT1 RT2 RT3
RTOUT
RSIN
RS1 RS2 RS3
RSOUT
RFIN
RFOUT
RROUT
VSS
CL
DI
CE
VREF
LROUT
LFOUT
LFIN
LSOUT
LS3 LS2 LS1 LSIN LTOUT LT3 LT2 LT1 LCOM LVRIN
12 3 45 6 7 8 9 10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1 VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D O.C.P
FWD/REV/STOP
CONTROL LOGIC

1
2
3
4
5
6
7
8
9
TR3 R1
R2
TR4
TR6
TR7
R4
R9
TR5
TR1
TR2
R6
D4 D3
R7
R8
TR8
D1 D2 R5
R3
INPUT
NF
-VEOUT
+VEOUT
V
SS
GND
V
CC
SUB
12345 6 7 8 9
INVERTER
COMPARATER
SW R1 GND SW P1 CONT GND VCC SW P2 GND SW R2
235
46798
1
MUTE
+ VOUT1 – VOUT1
COMP1
MF1
IN1
GND
IN2
NF2
COMP2
– VOUT2 + VOUT2
VCC1 VCC2
VEE
PROTECTOR
BIAS CIRCUIT
REG DRIVE PRE
DRIVE
11
10 12 13 1514
DRIVE
PRE
DRIVE
IC602 UPC1330HA (AUDIO BOARD)
IC151 UPC2581V (POWER BOARD)
IC651 STK350-230 (POWER BOARD)

— 39 —
5-16. IC BLOCK DIAGRAMS
IC300 LV1041M (MAIN BOARD)
12
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
19
17
18
20
21
32
31
30
2928
27
26
25
24
23
22
33
44
43
42
41
40
39
38
3736
35
34
73
7475
76
77
78
79
80 72 65
66
67
68
6970
71
52
51
50
49
48
47
46
45
53
54
55
56
57
58
59
60
61
62
63
64
STRIM
OSC
VOL
VOL
VCA VCA P
B
P
B
VCA VCA
VCA VCA VCA VCA
IEV
NOISE
GEN
NOISE
FILTER
BPF
CONTROL
CH
CONTROL
BPF
V REF
STRIM
S
MODE
RECT
RECT
DC
CUT
B NR
OUT
FILTER
DATA
DECODER
VOL/
MUTE
BPF
RECT
LOGIC
FF
LOGIC
FF RECT
C MODE
LOGIC LOGIC
MASTER
VOL
NF
SW
S
S
S
PPB
B
BB
P
B
C
D
R
L
CS
LR
PP
P
B
P
B
P
BP
B
P
B
S
MASTER VOL
VDD
PCM
PCM
CONTROL
SRAM
IN
FILTER
R
L
C
S
RP
B
P
B
P
B
P
B
L
L
R
L
R
R BPF2
R BPF1
S DC OUT
C DC OUT
R DC OUT
L DC OUT
V REF
VCC
C OUT
S OUT
R OUT
L OUT
GND
L IN
R IN
S IN
DELAY OUT
C VOL IN
DET
IREF
R OUT
R NF
L NF
L OUT
L BPF2
L BPF1
RT IN
LT IN
DC CUT
C MODE
GND
NS BPF1
OSC
NS BPF2
ENABLE
DATA
CLK
DATA
CLK
ENABLE2
VSS
OSC
OSC
VDD
A/D
NS
D/A
DC CUT
VCC
C VOL OUT
C OP IN
GND
C OP NF
C OP OUT
VOL REF
S OP OUT
S OP NF
S OP IN
S VOL OUT
L RECT
DC CUT4
R RECT
DC CUT3
L BPF3
VLR TH
VLR 1 VLR 2 VCS 2 VCS 1
VCS TH
L+R RECT
DC CUT2
L-R RECT
DC CUT1
R DET3
OP VREF
S VOL IN
S OUT
DC CUT