Onkyo TX-DS747

TX-DS747
ADJUSTMENT PROCEDURES
Preparation
1.
Input
2.
Outputs
FM mono: 1kHz, 75kHz devi., 60dB/ u V Connect the non-inductive type resistor of 8 ohms
FM stereo: 1 kHz, 67.5kHz devi., 60dB/ 1 V to the all speaker terminals unless otherwise noted.
Pilot signal 19kHz 7.5kHz devi
AM: 400Hz, 30% mod.
FM ADJUSTMENT
Connection FMSG Stereo modu-| Tuning | Output | Adjustment | Adjust
of instrument output lator output [frequency | indicator point for
DC voltmeter | _LI101 20mV.
99.0MHz
FM
MUTE/MODE
IFT on the switch:ON/AUTO
Fig.
crt
99.0MHz
|
AC
voltmeter]
“fi
teng,
|
Maximum
|
Repeat
the
steps
1
b>
a
ae
3
until
no
Distortion
further adjustment
analyzer
|
E1102}
Minimum
|
fanber
adi
Stereo
:
99.0MHz
Ext.
|
Channel
L
Distortion
|
IFT
on
the
Don't
turn
more
Distortion
mod.65dBf(60dB)|
or
R
lkH2
|99-0MHz|
analyzer
|
frontend
|
Minimum
|
than
+180°
Channel L. Channel R i
Stereo 99.0MHz, IkHz AC voltmeter Minimum | aximum and
Separation Ea mod 89.0MEe: R1150 same separation
65dBf(60dB)
Channel
R
Channel
L
M
dkHz AC voltmeter umm
Remarks
Muting 99.0MHz
Level
TUNED
99.0MHz| Oscilloscope indicator
19.2dBf(14dB) lights on
RDS data
8
OE
ba
57ke
3%
|
98:0MHe|
Oscilloscope
Maximum
devi
AM ADJUSTMENT
120V model
Reference Specification
FM tuned voltage'87 50MHz~ 108 00MHz
More than 1.3V~Less than 9V
AM tuned voltage:S30kHiz~1710kHa
4£0.4~Less than 9 0V
Tuning
Output
Adjustment
Frequency|
Indicator
“point
Adjust
for
Digital OSC coil
530kKHz, on RF 1420.2V
voltmeter | block L1105
600kHz
ac
re
400H2
30%
mod
voltmeter
al
on
60¢B/m block L1105
990kHz
AC
Ais
308
ed
990KHz
|
olmeter
Maximum
L106 Maximum
230V and Wolrdwide models
Reference Specification
Tuning | Output Adjustment FM tuned voltage'87 50MHz2~ 108,00MHz
Frequency| Indicator point Adjust for More than 1 3V~Less than 9V
AM tuned voltage: See 16) is
SeekHe
|
Dighal
OSC
coil
£0-4~Less
than
9.0V
or IC on 1420.2V aay model)
531kHz voltmeter block L1105 AM tuned voltage: anes 1602kHz
1404~Less than 9 0V
603kHz
AC
RF
coil
(Worldwide
model)
Maximum
400Hz 30% mod. | 603kHz
60dB/m
on RF
volumeter | block L1105
+
999kH2 AC
00H 30% mod 999KH2 | \oitveter 11106 Maximum