Onkyo A-8870 User Manual

A-8870
CIRCUITNO. PART NO. DESCRIPTION
Resistors
R931 442520104 1 Q, 1/2W, Metal oxide film
R932 441623314 330 Q, IW, Metal oxide film
R941, R942 442522294 0.22 Q, 1/2W, Mctal oxide film
Jumper socket
JL941 25050267 NSCT-3P95
Socket ass’y
P104 2009990069 NSAS-6P0106
Plug
P95 1a 25055133 NPLG-3P117
Bracket
27301367 (Bus)
Radiator
D921a 27160265 RAD-82
POWER SUPPLY CIRCUIT (2) PC BOARD
(NAETC-4214-1D)
CIRCUITNO. PART NO. DESCRIPTION
Transistor
Q951 2213650 DTD113ZS
Diodes
D951 223163 1$$133
D952 22380039 1D4B42
Transformer
A\1902 2300711 © NPT-1117P
Capacitors
C951~C955 374721034 0.01 “iF, 50V, Film (TF)
C956 354752229 2200 UF, 25V, Elect.
& C971 35000654 0.01uF, AC400V/125V, Film (IS)
C972 3500065A 0.01uF, AC400V/125V, Film (1S)
Condensor cover
A C972a, C973a =: 27301216 SB1925A
Resistors
R951 442520104 1 Q, 1/2W, Metal oxide film
R952 441628214 820 Q, 1W, Metal oxide film
Relay
A RL901 25065248 NRL-1IPI5A-DC12-29
Terminals
25060092 NTM-1S33
Socket ass’y
P951 2009990180 NSAS-6P0250
Fuse holder
Z\ F901a, F902a 25050065 YSH403T
*
NOTE:
5.6V
—~14-
CIRCUIT NO. PARTNO. DESCRIPTION
Fuse label
A F902b 29360374 T4A/250V
MICROPROCESSOR CIRCUIT PC BOARD
(NADG-4215-1A)
CIRCUITNO = PARTNO. DESCRIPTION
ICs
Q801 22240377 TMP47C440AN-1997
Q802 22240358 LB1638
Q803 22240239 TA7291S
Q804 222951 M51943BSL
Q805 222780055 78MOSHE
SK (Q805 222780565 78M56)
Transistors
Q806 2213160 DTC124ES
Q807~Q809 2213510 DTA114ES
Q810 2211255 28C1815-GR
Q8t1 2213090 DTAILL4YS
Q812 2213650 DTD113ZS
Q813 2211164 28C2120-Y
Q814 2213090 DTAII4YS
Q815 2211504 2SA950-Y
Diodes
D801, D816 223163 18S$133
D803~D807
D802 224450562 MTZ5.6B, Zener
D808~D815 225142DX2 SEL2913K-DX2, LED
D817 224450562 MTZS5.6B, Zener
Coils
L801 233409K 220 NCH-1284
L802~L807 230906 BLO2RN2-R62
Osc, element
X801 3010150 CST4.00M3W
Capacitors
C803, C807 354744709 47 uF, 16V, Elect.
C808 375524744 0.47 UF, SOV, Film (MMIT)
C810 3000051 0.047 F, 5.5V, Super
C816 374721044 0.1 LF, SOV, Film (TF
C819 354724719 470 UF, 6.3V, Elect.
C821 354744709 47 uF, 16V, Elect.
C822 354761009 10 UF, 35V, Elect.
C824 354744709 47 UF, 16V, Elect.
C827 353741009 0 UF, 16V, Elect.
C829, C830 374721035 0.01 uF, SOV, Film (TR
Resistors
R817, R8I8 49163103405 RMI/1OW 10K X5, Reis tor network
R830 441620564 5.6 Q, IW, Metal oxié film
Socket ass’y
P211 2009990110 NSAS-18P0167
P80] 2000871 NSAS-6P827

Onkyo A-8870 Specifications

General

Frequency Response	5Hz-100kHz (+1dB, -3dB)
Power Output	80 W + 80 W (8 ohms, 20Hz-20kHz, THD 0.008%)
Total Harmonic Distortion	0.008%
Damping Factor	60 (8 ohms, 1kHz)
Input Sensitivity	2.5 mV (MM)
Speaker Load Impedance	4 ohms - 16 ohms
Dimensions	435 x 149 x 431 mm
Weight	21.5kg