Onkyo ASV 810 PRO Service Manual
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Extracted text from Onkyo ASV 810 PRO Service Manual (Ocr-read)
Page 1
A-SV81OPR O
SERIAL No, 3381
ONKYO® SERVICE MANUAL
A/V Surround
Integrated Amplifier
MODEL A-SV810PRO
UD
120V AC, 60H:
SAFETY-RELATED COMPONENT WARNINGII
COMPONENTS IDENTIFIED BY MARK A ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO PARTS
WHOSE PARTS NUMBERS APPEAR AS SHOWN IN THIS
MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE MEA-
SUREMENTS TO DETERMINE THAT EXPOSED PARTS
ARE ACCEPTABLY INSULATED FROM THE SUPPLY
CIRCUIT BEFORE RETURNING THE APPLIANCE TO
THE CUSTOM ER.
TABLE OF CONTENTS
Specifications ..
Precautions .....
Adjustment procedures
IC block diagram
Chassis exploded v
Printed circuit board par 5 IS
Parts list of packing
Front panel facilities
Rear panel facilities
Printed circuit board View
Block diagram ........
Schematic diagram .,
ON KYO
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Page 2
A-SV
PRO
SPECIFICATIONS
AMPLIFIER SECTION
Power Output:
Total Harmonic Distortion:
IM Distortion:
Damping Factor:
Sensitivity and Impedance:
Phono overload:
Frequency Response:
Phono RIAA Deviation:
Tone Control:
BY-PASS (two channel stereo) mode
75 watts per channel min. RMS. at 8 ohms, both
channels driven, from 20 Hz to 20,000 Hz, with
no more than 0.06 % total harmonic distortion.
DOLBY PRO-LOGIC mode
85 watts per channel min. HMS. at 8 ohms, front
L or R or C channel driven, 1,000 Hz with no more
than 0.5 % total harmonic distortion.
35 watts per channel min. RMS. at 8 ohms, rear
L and R channels driven, 1.000 Hz with no more
than 1 96 total harmonic distortion.
006 % at rated power
(BY- PASS mode)
0.06 96 at rated power
(BY- PASS mode)
90 at 8 ohms (FRONT)
PHONO: 5 mV/50 kohms
CD, TUNER, TAPE/DAT (PLAY),
VDP, 085 VIDEO 1-4 (PLAY):
300 mV/50 kuhms
TAPE/DAT, VIDEO1-3 (REC):
300 mV/2.2 kohrns
PREOUT/SUB WOOFER:
I V/SOO ohms
110 mV RMS. at1 kHz, 0.05 % THD.
2 to 100.000 Hz. +/-3 dB
(BY-PASS mode)
20 to 20,000 Hz, 4-1-08 dB
Signal to Noise Ratio
(BY- PASS mode):
BASS: *l-12 dB at 20 HI
MID: +/-12 dB at 850 Hz
TREBLE: +/-l 2 dB at 20 kHz
PHONO : 80 dB
(IHF A, 5 mV input)
CD. VDP: 105 dB (IHF A)
PRECAUTIONS
1. Replacing the fuses
For continued protection against risk fire, replace only with same type and same rating fuse.
CIRCUIT NO. PART NO. DESCRIPTION
F901 252052 7A ST-6, Primary fuse
F921, F922 252051 6A ST-6. Primary fuse
2. Insulation resistance measurement (Only U.S.A. model)
VIDEO SECTION
Sensitivity and
VDP, DBS, VIDEO 1-4 (PLAY) VIDEO input:
1 Vp-p, 75 ohms
VIDEO 1-3 (REC), MONITOR OUT VIDEO
1 Vp-p, 75 ohms
VDP, DBS, VIDEO 1, 2, 4 (PLAY) S-VIDEO
Y signal 1 Vp-p. 75 ohms
C signal 028 Vp-p, 75 ohms
VIDEO 1-2 (REC), MONITOR OUT S-VIDEO
Impedance:
output:
input:
output:
GENERAL
Power Supply:
Dimensions (W x H x D):
Weig ht:
Y signal 1 Vp-p. 75 ohms
C signal 0.28 Vp-p, 75 ohms
USA and Canadian model:
AC 120 V, 60 Hz
455 x 170 x 421 mm
17-15/16' x 6-11/16" x16-9/16'
17.5 kg., 38.6 lbs.
REMOTE CONTROL TRANSMITTER RC-IBSM
Transmitter:
Signal Range:
Power Supply:
Dimensions (W x H x D):
Weight:
Infrared
Approx. 5 meters (16 ft. 4")
Two AAA" batteries (1.5 V x 2)
67 x 30 x 200 mm
2-5/8 x 1-3/16' x 7-7/8
150 grams, 5.3 02.
(including batteries)
Specltications and features are subject to change without notice.
Connect the insulating~resistance tester between the plug of power supply cable and the terminal GND on the back panel.
Specifications; More than 10 M!) at 500V.
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Page 8
A-SV810PRO
Pin No. Code Function Description
20 D7 A0 Output terminal for connection to the AO terminal of surround IC
YM7128.
21 D8 STBC Output terminal for connection to the STB terminal of electronic
variable resistor TC9213P-C.
22 D9 STBR Output terminal for connection to the STB terminal of electronic
variable resistor TC9213P-R.
Remote control VOL UP/DOWN control signal output terminals.
23 D10 VOL DOWN The VOL UP output is H" when the VOL UP code is input from
24 D11 VOL UP remote control. The VOL DOWN [S H when the VOL DOWN
code is input.
25 D12 D85 REC SELECTOR display (LED) output terminals,
26 DIS VDP The output corresponding to (eh current REC SELECTOR
27 D14 SOURCE position is H (lit).
28 015 STBY/ STAND~BY and RECEIVE display (LED) output terminal. H"
RECEIVE (lit continuously) during power off (standby) status.
When power is on, H" (lit) when codes from the remote control
are input for decoding.
29 R00 POWER Power supply (POWER) control output terminal. H" when power
is on.
30 R01 FILON Fluorescent display filament power supply output terminal.
H" when power is on (except during the rec standby status),
31 R02 Sa Segment output terminals.
32 R03 Sb H" when active.
33 R10 Sc
34 R11 Sd
35 R12 Se
36 R13 Sf
37 R20 Sg
38 R21 Sh
39 R22 Sj Segment output terminals.
40 R23 Sk H" when active.
41 R30 Sm
42 R31 Sn
43 R32 Sp
44 R33 Sr
45 R40 DIGA Digit output terminals.
Connected to expansion [Cs 74HC138 (2). which expand 4-bit data
46 R41 DIGB into 16
47 R42 DlGC Fluorescent grids 14H-IG are H" (active) corresponding to the
48 R43 DIGD to blank the display.
49 R50 EXP/7W Initial setting input terminal for switching the point of destination.
50 R51 PROTECT Speaker protection detect input terminal.
51 R52 SPON Speaker on detect input terminal.
52 R53 - Not used. Connected to GND.
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values of ill-EH in the 4-bit output data. A OH value of output
H: Export
J: Japan
When H. the speaker and headphone relays are off.
When L, all speaker relays are off (FRONT R/L, CEN R/L.
and REAR R/L output are L").
H" during normal operation.
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