STR-DB830/DB930/V929X
SERVICE MANUAL
Photo : STR-DB930 (BLACK model)
US Model
STR-DB930/DB830
Canadian Model
STR-DB930
AEP Model
STR-DB930/DB830
E Model
Australian Model
STR-DB930
Chinese Model
STR-V929X
Manufactured under license from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol aare trademarks of Dolby Laboratories Licensing Corporation.
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION : With 8 Ω loads, both channels driven, from 20 - 20,000 Hz ; rated 110 W
(STR-DB930) and 100 W (STR-DB830) per channel minimum RMS power, with no more than 0.05 % total harmonic distortion from 250 mW to rated output (USA model only).
Amplifier section
POWER OUTPUT
Stereo mode
North American model
(8 Ω 20 Hz - 20 kHz, THD 0.05 %) STR-DB930 : 110 W + 110 W STR-DB830 : 100 W + 100 W
(4 Ω 20 Hz - 20 kHz, THD 0.05 %) STR-DB930 : 100 W + 100 W STR-DB830 : 90 W + 90 W
Other model
100 W + 100 W (8 ΩDIN 1kHz)
100 W + 100 W (4 ΩDIN 1kHz)
90 W + 90 W (8 Ω 20Hz-20kHz,thd0.05%) 90 W + 90 W (4 Ω 20Hz-20kHz,thd0.05%)
Surround mode
North American model
(8 Ω 20 Hz - 20 kHz, THD 0.09 %)
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STR-DB930 : Front |
: 110 W + 110 W |
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Centera) |
: 110 W |
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Reara) |
: 110 W + 110 W |
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STR-DB830 : Front |
: 100 W + 100 W |
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Centera) |
: 100 W |
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Reara) |
: 100 W + 100 W |
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(4 Ω 20 Hz - 20 kHz, THD 0.09 %) |
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STR-DB930 : Front |
: 100 W + 100 W |
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Centera) |
: 100 W |
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Reara) |
: 100 W + 100 W |
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STR-DB830 : Front |
: 90 W + 90 W |
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Centera) |
: 90 W |
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Reara) |
: 90 W + 90 W |
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Other model
(8 Ω 20 Hz - 20 kHz, THD 0.09 %)
Front |
: 90 W + 90 W |
Centera) |
: 90 W |
Reara) |
: 90 W + 90 W |
(4 Ω 20 Hz - 20 kHz, THD 0.05 %) |
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Front |
: 90 W + 90 W |
Centera) |
: 90 W |
Reara) |
: 90 W + 90 W |
a)Depending on the sound field settings and the source, there may be no sound output.
Dynamic power output
STR-DB930 : 165 W + 165 W, 8 Ω 250 W + 250 W, 4 Ω STR-DB830 : 155 W + 155 W, 8 Ω 240 W + 240 W, 4 Ω
Frequency response PHONO : RIAA
equalization curve ±0.5 dB
CD, TAPE, MD/DAT, TAPE/MD, DVD/LD, TV/SAT, VIDEO 1,2, andVIDEO3:
10 Hz - 50 kHz + 0.5/-2
dB(with sound field, equalizer, and bass boost bypassed)
Inputs(Analog) |
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PHONO : |
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Sensitivity |
: 2.5 mV |
Impedance |
: 50 kΩ |
S/Nb) |
: 86 dB(A, 2.5 mVc)) |
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— Continued on next page — |
FM STEREO FM-AM RECEIVER
MICROFILM
STR-DB830/DB930/V929X
4-4. SCHEMATIC DIAGRAM DIGITAL SECTION(1/3) • See page 19 for Printed Wirig Board. • See page 12 for Waveforms. • See page 49 for IC Pin Functions. • See page 58 for IC Block Diagrams.
DIGITAL DOLBY,DTS DECODER
SIGNAL CHANGE
DATA SELECTOR
R1259
10k
— 13 — |
— 14 — |
STR-DB830/DB930/V929X
4-5. SCHEMATIC DIAGRAM DIGITAL SECTION(2/3) • See page 19 for printed wirig board. • See page 12 for Waveforms. • See page 51 for IC Pin Functions. • See page 58 for IC Block Diagrams.
CXD9511Q
+3.3V
— 15 — |
— 16 — |
STR-DB830/DB930/V929X
4-6. SCHEMATIC DIAGRAM DIGITAL SECTION(3/3) • See page 19 for printed wirig board. • See page 54 for IC Pin Functions. • See page 58 for IC Block Diagrams.
— 17 — |
— 18 — |
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