Harman kardon ch 120 service manual

Page 2

cnizo

SPECIFICATIONS

0 TUNER SECTION Nominal Limit

Tuning Range

50 dB Ouieting Sensitivity

87.2 - 109.0 MHZ

Mono/Stereo 17 dBfS 22 dBf
Usable Sensitivity

Mono/Stereo 9dBf(IHF)S 15 (131
Image Ratio 68 dB 2 60 dB
IF Rejection 75 dB 2 65 dB
Capture Ratio 2.0 dB 5 3.0 dB
Alternate Channel Selectivity 57 dB 2. 45 dB
AM Reiection 45 dB 2 40 dB
Signal to Noise Ratio

Mono 70 dB 2 65 dB

Stereo 65 dB 2 60 dB
Total Harmonic Distortion

Mono 0.18% S 0.3%

Stereo 0.22% S 0.4%
Stereo Separation at 1 kHz 40 dB 2 35 dB

Tuning Range 510 -1660 kHz
Usable Sensitivity 40uV S 50 av
Alternate Channel Selectivity 40 dB 2 35 dB

Signal to Noise Ratio 55 dB 2 50 dB
Image Rejection 58 dB 2 55 dB
IF Rejection 75 dB 2 70 dB

0 CASSETTE TAPE DECK SECTION
Tape Speed +1% 1? %
Wow and Flutter 01% S 0.2%
F.FWD/REW. Time 125 secs 150 sec.
for 060 Cassette
Sigial to Noise Ratio
Dolby" NR OFF CrOz 55 dB 250 dB
Metal 56 dB 2 50 dB
Dolby NR B to ON Cr02 64 dB 253 dB
Metal 65 dB 2. 58 dB

DIAL CORD STRINGING

DIAL POINTER

REAR VIEW

EVELET

Channel Separation
Crosstalk

Playback Distortion
Frequency Response

0 AUDIO SECTION

Tone Control Characteristics

Bass (at 50 Hz)
Treble (at 10 kHz)
Preout Output Level
(10 kohm load)
Preout Output Impedance

0 GENERAL
Dimensions
Chassis (W x H x D)
Nose Piece (W x H x D)
Shaft Spacing
Weight
Power Supply

Current Consumption

Nominal Limit
50 dB 240 dB
65 dB 2 60 dB
1% S. 2%
20 - 20,000 Hz

10dBi 2dB
IOdBt ZdB
775mV

220 ohm

7" x 2" x 5-1/8

(178 x 50 x 130mm)
4-1/8" x 1-5/8" x 1-8/ "
(105 x 42 x 35 mm)
5-1/8", 5-5/8, 5-13/16
(130, '142, 148 mm)

2 lbs. 14 oz. (1.3 kg)

DC 13.8V

(11-16V Usable),
Negative Ground

0.4A

This specification is the target of servicing. But, there is a case
that the specificatlon is not applicable to the measurement

condition and instrument.

Specifications and components subject to change without
notice. Overall performance will be maintained or improved.

*Dolby noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation. Dolby and die double-D
symbol are trademarks of Dolby Laboratories Licensing
Corporation.

FRONT END

DIAL POINTER SETTING POINT
Set dial pointer with variable capacitor

in closed position.
2 mm

~-ii_

FM
AM

88

54 60
70m