CDR 20 (serv.man13) - Harman Kardon Audio Service Manual (repair manual). Page 2

SPECIFICATIONS  . . . . . . . . . . . . . . . . . . . . . . . . 2
SERVICING PRECAUTIONS   . . . . . . . . . . . . . . . . 3
ESD PRECAUTIONS   . . . . . . . . . . . . . . . . . . . . . . 5
TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . 6
WIRING DIAGRAM   . . . . . . . . . . . . . . . . . . . . . . 32

BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 33
SCHEMATIC DIAGRAMS   . . . . . . . . . . . . . . . . . . 36
PCB BOARD   . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
EXPLODED VIEW   . . . . . . . . . . . . . . . . . . . . . . . 48
REPLACEMENT PARTS LIST  . . . . . . . . . . . . . . 51

Signal Format

Playback Sampling Frequency 

44.1 kHz

D/A Conversion 

96kHz, Multi-Bit Delta-Sigma Conversion

Oversampling 128 

Times

Frequency Response 

2Hz – 20,050Hz

Playback S/N 

105dB

Playback Dynamic Range 

105dB

Playback THD 

0.005% / –88dB

Analog Audio Output 

2V RMS, ± 2dB

Digital-Coaxial Output 

0.5 Vpp/75

Ω

Headphone Output 

1V RMS/32

Ω

Load

Digital Dubbing Mode(X1/X2/X4)

Equal to source

Digital Input Sample Rate

32kHz ~ 96kHz

Signal/Noise Ratio - Analog

91dB

Signal/Noise Ratio - External(Sourse)

source-10dB

Dynamic Range

91dB

THD

0.005%/-85dB

Analog Input Sensitivity 

330 mV RMS 47k

Ω

= 0dB

Digital Inputs (Direct Recording) 

44.1kHz, ± 100 ppm/min.

Power Requirement 

100~240V AC, 50/60Hz

Power Consumption 

28 Watts

Dimensions

Width 17.3"/440mm

Height 4.4"/112mm

Depth 14.2"/363mm

Weight 

10.5 lb/4.7 kg