Sony HST-SE581 Service Manual

Cassette deck receiver
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SERVICE MANUAL
This set is the tuner deck and amplifier
section in SEN-T481.
Manufactured under license from Dolby Laboratories
Licensing Corporation.
"DOLBY" and the double-D symbol a and "PRO
LOGIC" are trademarks of Dolby Laboratories
Licensing Corporation.
Tuner section
FM stereo, FM / AM superheterodyne tuner
FM tuner section
Tuning range
87.5 – 108.0 MHz
Antenna
FM leadantena
75 Ω unbalanced
Antenna terminals
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 frequency
450 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)
MICROFILM
HST-SE581
Tape deck
Model Name Using Similar Mechanism
Section
Tape Transport Mechanism Type
SPECIFICATIONS
(REAR)
(CENTER)
(WOOFER)
Other models:
Peak music power output
(FRONT)
Continuous RMS power output
(REAR)
(CENTER)
(WOOFER)
Inputs
PHONO (phono jacks):
CD (phono jacks):
VIDEO1, 2 (phono jacks):
CASSETTE DECK RECEIVER
AEP Model
E Model
Australian Model
HST-471
TCM-220WR2
40 W
(at front / center / woofer off at 1 kHz, 8 Ω)
40 W
(at front / rear / woofer off at 1 kHz, 8 Ω)
70 W
(at front / rear / center off at 40 Hz, 4 Ω)
1,600 W (total)
90 + 90 W
(at rear / center / woofer off at 1 kHz,
10% THD, 8 Ω)
40 W
(at front / center / woofer off at 1 kHz, 8 Ω)
40 W
(at front / rear woofer off at 1 kHz, 8 Ω)
70 W
(at front /rear/ center off at 40 Hz, 4 Ω)
sensitivity 2.5 mV, impedance 50 kΩ
sensitivity 400 mV, impedance 50 kΩ
sensitivity 250 mV, impedance 50 kΩ
— Continued on next page —

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Summary of Contents for Sony HST-SE581

  • Page 1 HST-SE581 SERVICE MANUAL AEP Model E Model Australian Model • This set is the tuner deck and amplifier section in SEN-T481. Manufactured under license from Dolby Laboratories Tape deck Model Name Using Similar Mechanism HST-471 Licensing Corporation. Section Tape Transport Mechanism Type TCM-220WR2 “DOLBY”...
  • Page 2: Schematic Diagram - Main Section

    HST-SE581 5-3. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • See page 10 for Waveforms. • See page 39 for IC Block Diagrams. — 13 — — 14 —...
  • Page 3 HST-SE581 5-4. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • See page 39 for IC Block Diagrams. — 15 — — 16 —...
  • Page 4: Schematic Diagram - Display Section

    HST-SE581 5-7. SCHEMATIC DIAGRAM — DISPLAY SECTION — • See page 10 for Waveforms. • See page 41 for IC Pin Function. — 21 — — 22 —...
  • Page 5: Schematic Diagram - Sw Section

    HST-SE581 5-9. SCHEMATIC DIAGRAM — SW SECTION — DOLBY NR — 25 — — 26 —...
  • Page 6: Schematic Diagram - Power Amp Section

    HST-SE581 5-11. SCHEMATIC DIAGRAM — POWER AMP SECTION — • See page 39 for IC Block Diagrams. — 29 — — 30 —...
  • Page 7: Schematic Diagram - Deck Section

    HST-SE581 5-13. SCHEMATIC DIAGRAM — DECK SECTION — • See page 39 for IC Block Diagrams. — 33 — — 34 —...
  • Page 8 HST-SE581 5-15. SCHEMATIC DIAGRAM — POWER TRANSFORMER SECTION — EXCEPT E MODEL EXCEPT E MODEL — 37 — — 38 —...
  • Page 9 HST-SE581 5-16. IC BLOCK DIAGRAMS IC502 LB1641 (MAIN BOARD) IC302 LC7822 (MAIN BOARD) IC300 LV1041M (MAIN BOARD) T.S.D O.C.P MOTOR MOTOR DRIVE DRIVE R BPF2 L BPF2 RECT RECT FWD/REV/STOP CONTROL LOGIC LOGIC LOGIC R BPF1 RECT L BPF1 RECT...
  • Page 10: Ic Block Diagrams

    5-16. IC BLOCK DIAGRAMS IC300 LV1041M (MAIN BOARD) R BPF2 L BPF2 RECT RECT LOGIC LOGIC R BPF1 RECT L BPF1 RECT LOGIC LOGIC RT IN S DC OUT C DC OUT R DC OUT LT IN L DC OUT CONTROL DC CUT V REF...
  • Page 11 IC502 LB1641 (MAIN BOARD) IC302 LC7822 (MAIN BOARD) T.S.D O.C.P MOTOR MOTOR DRIVE DRIVE FWD/REV/STOP CONTROL LOGIC IN IN LEVEL SHIFT IC602 UPC1330HA (AUDIO BOARD) LATCH RESET SHIFT RESISTOR INVERTER COMPARATER IC651 STK350-230 (POWER BOARD) SW R1 SW P1 CONT SW P2 SW R2 INPUT...

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