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ORDER NO. AD9104083C8
Service Manual
Areas
Country
Code
(E)
Continental Europe.
Asia, Latin America,
Middle Near East and
Africa.
Because of unique interconnecting cables,
when a component requires service, send or
bring in the entire system.
Oceania.
System: SC-CH7
@ SPECIFICATIONS
(DIN 45 500)
Sensitivity (S/N 20 dB)
MW
20 uV, 300 pV/m
m@ FM TUNER SECTION
LW
50 pV
Frequency range
87.50~108.00 MHz (0.05 MHz step)
Selectivity (+9 kHz)
Sensitivity
1.5 uV (IHF, usable)
MW
(at 999 kHz) 50 dB
S/N 30dB
1.5 wV (75Q)
LW
(at 216 kHz) 50 dB
S/N 26 dB
1.3 pV (75Q)
S/N 20dB
1.2 pV (75Q)
m TIMER SECTION
IHF 46 dB stereo quieting sensitivity
28 pV (750)
Clock
Quariz-lock type
Total harmonic distortion
24-hour indication
MONO
0.2%
Functions
24-hour programmable;
STEREO
0.3%
weekly (1 time)
S/N
once only (1 time)
MONO
60 dB (74 dB, IHF)
sleep (1~120 min., 1-min. intervals)
STEREO
58 dB (70 dB, IHF)
Setting intervals
1 minute~23 hours, 59 minutes
Frequency response
20 Hz~15 kHz, +0.5 dB~—1.5 dB
(at 1 min. intervals)
Alternate channel selectivity +400 kHz
50 dB
Stereo separation 1 kHz
40 dB
@ GENERAL
10 kHz
30 dB
Power consumption
8W
Channel balance (250 Hz~6,300 Hz)
+1.5dB
Dimensions (WxHxD)
215x55x295 mm
Limiting point
1.2 UV
(815/s2"
x 252" x 115%")
Bandwidth
Weight
1.4kg (3.0 Ib.)
IF amplifier
180 kHz
FM demodulator
1000 kHz
Notes:
Antenna terminal
75Q (unbalanced)
1. Total harmonic distortion is measured by the digital spectrum
analyzer.
@ LW/MW TUNER SECTION
2. Specifications are subject to change without notice.
Frequency range
3. Weight and dimensions shown are approximate.
MW
522~1611 kHz (9 kHz-step)
530~ 1620 kHz (10 kHz-step)
LW
144~288 kHz (9 kHz-step)
146~290 kHz (+2 kHz-shift)
System
[Tuner
| —sAmplifier_—_—|
CD Player
Cassette Deck
Speakers
SC-CH7
ST-CH7L
SU-CH7
SL-CH7
RS-CH7
SB-CH7
'Technics /Panasonic
(E)
(GC) (GN)
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