H.H. Scott 342 Service Manual

SPECIFICATIONS
TUNER (PM-MPX)
H. H. SCOTT, INC.
11 . . .
POWDER MOLL RO., M.VN ARD. M ~S., 0075•
SERVICE MANUAL
FOR
MODEL 342
SOLID STATE STEREO TUNER/AMPLIFIER
2.2
micr ovo lts
80 db
Usable Sensitlvity (IHF)
Cross Modulation Rejection
Signal to Noise Ratio
Total Harmonic Distortion
Frequency Deviation (Drift)
below
100% modu l a t ion
*Frequency Response
Capture Ratio
Selectivlty
Tuning Range
Accuracy of Ca l ibration
Separation
FM
&
IF Limiting Stages
0.8%
0.02%
30 to
3
db
40 db
87 to
0.51.
35 db
6
15,000 Hz
:!:
1 db
108
me
or more
60
*This i s limit of FCC Stereo Broadcast specifications.
res ponse.
All H. H.
scon
tuners have far wider frequency
TAPE OUTPUT
Rated Voltage Output t o Tape Recorder
Minimum RecOTM\ended Load Resistance
PRE-AMPLIFIER
Input:
Tape Head - Input Impedance
Signal for Rated Output
S/N Ratio
Phono-Input Impedance (All Switch Positions)
Signal for Rated Output (Adjustable by Switch)
S/N Ratio
High
Lev«l Inputs - Input Impedance
Signal for Rated Output
S/N Ratio
Frequency Response in Flat Position
Treble Controls
Mea11Ured
at
10,000
Br:, Boost
&
Cut
Bass Controls Measured at 30 Hz, Boost
&
Cut
Scratch Filter
Loudness Compensation
(maximum)
Loudness Compensation
AMPLIFIERS
Power Ratio (watts per channel)
@
0.81. Harmonlc Distortion
@
4
ohms
@
8 ohms
Continuous Output Single Channel
@
8 ohms, 0.8o/. H~rmonic Distortion
Continuous Output Both Channels
@
8 ohms, 0.87. Harmonic Distortion
Total Harmonic Distortion
Frequency Response
Power Bandwidth at Rated Distortion
(IHF
M e thod)
Hum
and Noise
Range of Line Voltage and Frequency
Power Consumption - 117 vat 60 Hz (AC only)
1966 H. H. Scott,lnc.
T(,'D
0 .5
V
47 k
ohms
47 k
ohms
3
mv
55
db
47 k ohms
3, 5 , 9
mv
55 db
60 k
ohms
75
db
80 db
20- 20 khz 1.0 db
10 db
:t:
2
db
12
db t
2 db
-6 db/'1(1t.,,•:
-3 db @ · s kHz
+
12 db
@
50 Hz
+ 4
db@" 10 kHz
32.5
watts
25 watts
18
watts
18 watts
0.8%
18•25
.ooo
±
1 db
25-20 ,000 Hz
80 db below rated power
l05-120v, 50-60 Hz.
25-95
watts
Form D-342-2W