Sony STRDA-50-ES Service manual
STR-DA30ES/DA50ES/V55ES
SERVICE MANUAL
Photo : STR-DA50ES
Manufactured under license from Dolby Labor atories Licensing
Corporation.
DOLBY, the double-D symbol a , AC-3, the Dolby Digital and
“PRO LOGIC” are trademarks of Dolby Laboratories Licensing
Corporation.
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from 20 - 20,000
Hz; rated 120 watts (80 watts: DA30ES) per cannel minimum RMS
power, with no more than 0.05% total harmonic distortion from 250
milliwatts to rated output (USA model only).
Amplifier section
POWER OUTPUT
Stereo mode (8 ohms 20 Hz – 20 kHz, THD 0.05%)
120 W + 120 W (DA50ES/V55ES)
80W + 80W (DA30ES)
(4 ohms 20 Hz – 20 kHz, THD 0.05%)
100 W + 100 W (DA50ES/V55ES)
70W + 70W (DA30ES)
Surround mode (8 ohms at 1 kHz, THD 0.05%)
Front: 120W + 120W (DA50ES/V55ES)
80W + 80W (DA30ES)
Centera):120W (DA50ES/V55ES)
80W (DA30ES)
Reara): 120W + 120W (DA50ES/V55ES)
80W + 80W (DA30ES)
(4 ohms at 1kHz, THD 0.05%)
Front: 100W + 100W (DA50ES/V55ES)
70W + 70W (DA30ES)
Centera):100W (DA50ES/V55ES)
70W (DA30ES)
Reara): 100W + 100W (DA50ES/V55ES)
70W + 70W (DA30ES)
US Model
Canadian Model
STR-DA30ES/DA50ES
AEP Model
UK Model
E Model
Australian Model
PX Model
STR-DA50ES
Chinese Model
STR-V55ES
Frequency response
PHONO: RIAA
equalization curve ±0.5 dB
CD, TAPE, MD/DAT, DVD/LD, DVD TV/DBS, TV/LD,
VIDEO 1, 2, and VIDEO 3:
10 Hz - 50 kHz +0.5/-2 dB (with sound field, tone,
and bass booster bypassed)
Inputs (Analog) PHONO:
Sensitivity: 2.5 mV
Impedance: 50 kilohms
S/Nb): 75 dB (A, 2.5 mVc))
CD, DVD/LD, DVD/TAPE, MD/DAT. TV/
DBS, TV/LD, 5.1 INPUT, VIDEO 1, 2, AND VIDEO 3:
Sensitivity: 150 mV
Impedance: 50 kilohms
S/Nb): 82 dB (A, 150 mVc))
b) 78’IHF
c) Weighted network, input level
Inputs (Digital) DVD/LD, DVD (coaxial):
Sensitivity: 0.5 Vp-p
Impedance: 75 ohms
S/N: 100 dB (A, 20 kHz LPF)
CD, DVD/LD, DVD, TV/DBS,
TV/LD, MD/DAT (Optical):
S/N: 100 dB (A, 20 kHz LPF)
— Continued on next page —
a) Depending on the sound field settings and the source, there may be no
sound output.
MICROFILM
FM STEREO FM-AM RECORDER
STR-DA30ES/DA50ES/V55ES
4-5. SCHEMATIC DIAGRAM — DIGITAL SECTION (1/2) — • See page 21 for printed wiring board. • See page 66, 67 for IC Pin Functions. • See page 16 for Waveforms. • See page 57 for IC Block Diagrams.
— 17 — — 18 —
STR-DA30ES/DA50ES/V55ES
4-6. SCHEMATIC DIAGRAM — DIGITAL SECTION (2/2) — • See page 63 for IC Pin Functions. • See page 16 for Waveforms. • See page 57 for IC Block Diagrams.
— 19 — — 20 —
4-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) — • See page 59 for IC Block Diagrams.
STR-DA30ES/DA50ES/V55ES
— 25 — — 26 —
STR-DA30ES/DA50ES/V55ES
4-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) — • See page 23 for Printed Wiring Board. • See page 59 for IC Block Diagrams.
— 27 — — 28 —
Note:
The components identified by
mark ! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Note:
Les composants identifiés par
une marque ! sont cr itiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
4-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) — • See page 23 for Printed Wiring Board.
STR-DA30ES/DA50ES/V55ES
— 29 — — 30 —
Note:
The components identified by
mark ! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Note:
Les composants identifiés par
une marque ! sont cr itiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
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