Harman kardon cr 131 service manual

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The Harman Kardon '
MOdel CR131 Manua|130A {
HIGH FIDELITY RECEIVER/ DECK

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SPECIFICATIONS

.FM SECTION
Tuning Range
Usable Sensitivity
Quieting Sensitivity
Mono
Stereo
Signal to Noise Ratio
Mono
Stereo
IF Rejection (88.1MH2)
Image Rejection (98.1MH2)
AM Suppression
Capture Ratio
Selectivity (i400kHz)
Distortion (Stereo)
(65dBf. 100%)
Frequency Response
(iadB)
MPX Separation at lkHz
Output Level (75kHz dev.)

0AM SECflON
Tuning Range

Nominal Limit
87.9MH2 ~ 107.9MH2
IDdBf é 16dBf

13.5dBf é 20dBf
30dBf é 35dBf

74dB ; GBdB
67:18 ; 60dB
89dB ; 75dB
55dB ; 50dB
43dB g 40dB
2.5dB é 3dB

74413 ; 56dB

0.27% § 0.5%
20Hz ~ 15kHz

41dB E 33dB
550mV i 3dB

630kHz ~ 1620 kHz

OAUDIO SECTION Nominal Limit
Tone Control Action
Bass (50Hz) 12dB i 1.5dB
Treble (10kHz) 12GB i 1.5dB
Loudness Action (50Hz/30kHz) 11dBi3dB/3dBi2dB
Output Impedance 6809
Line Output Level/Load 0.8VllOkohm

Power Output per channel,

4ohm at 1% THD, 20Hz to 20kHz 12Watts

OCASSETTE TAPE DECK SECTION

Wow and Flutter (WRMS)
Tape Speed (4.750m/sec.)

FF and REW Time

0.08% § 0.2%
+1% é +3% -1%

(for C-60 tape) 90530. < 1205ec.

Signal to Noise Ratio (CrOz)

Dolby* NR Off 52dB ; 4SdB

Dolby NR Type B 62dB ; 58dB
Distortion 1.2% g 2%
Frequency Response 30Hz ~ 13kHz
Separation 46dB g 35dB
Crosstalk 56dB ; 50dB
Output Level (Volume Max.) 775mV i 3dB

These specifications are service target specs.
Specifications and components are subject to change without notice.
Overall performance will be maintained or improved.

Signal to Noise Ratio 48dB ; 45dB
IF Rejection (600 kHz) 60dB E 50:13
Image Rejection (1400kHz) 55dB ; 50dB
Selectivity (i9kHzl 50dB g 45dB
Sensitivity (lOOOkHz)

33w s 50/1V

CONTROLS & INDICATORS

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

FIDELIW

0 ON-OFF switch/VOLUME control/BALANCE control
Push this knob to turn on thetuner. Push again to turn it off.
This knob controls the sound level. Turning clockwise
increases the sound volume and turning counterclockwise
decreases it. This also controls the balance of the left and
right channels. Pull it out and turn it clockwise or counter-
clockwise to balance the sound. It has center click to
indicate the balance of the left and right channels.

0 FADER control
This control adjusts the balance of front and rear level

when using a four-speaker system. Turn this control down
ward to increase the front level or upward to increase the
rear level. Master volume can be adjusted using the
VOLUME control knob. Set it to the center click position
when using a control two-speaker system.

0 BASS control

This knob controls the low frequency sounds. Access the
knob by pushing it, then turn it clockwise to boost or
counterclockwise to reduce the low frequency sound level.
It has center click to indicate flat frequency response.