13
HD 990
Troubleshooting
Symptom
Cause
Solution
no lights on front panel
no ac power
•
make certain that ac power cord is plugged into a live outlet.
•
remote does not appear to operate
power switch turned off
•
Weak batteries
•
Blocked sensor
•
turn on power switch.
•
Install fresh batteries, observing polarity indications.
•
remove obstructions from the front panel sensor or connect a remote
•
sensor to the remote In jack on the rear panel.
front panel lights, but cd does not play
disc is upside down
•
reload disc with label side facing up.
•
play indicator lights, but no sound is heard
poor connections
•
Wrong source connections
•
make certain that connections are secure and made to the correct
•
(e.g., cd) input.
select cd source on receiver or preamp.
•
sound skips or stutters during play
disc may be damaged
•
surface vibrations
•
try another disc.
•
Isolate the unit from vibration by placing it on a firm surface or move
•
it further away from the speakers.
sound is continually distorted
Incorrect input
•
make certain that the analog
•
audio outputs
1
of the cd player
are connected to a line-level audio input, not to a digital audio or
phono input.
“error” lights up continuously in the display
Various
•
turn the unit off and on again. If the problem persists, turn the ac
•
power to the cd player off and on.
Troubleshooting
HD 990
harman/kardon
Содержание HD 990
Страница 7: ...HD 990 harman kardon PACKAGING ...
Страница 16: ...HD 990 harman kardon ...
Страница 24: ...HD 990 harman kardon ...
Страница 25: ...HD 990 harman kardon ...
Страница 26: ...HD 990 harman kardon ...
Страница 27: ...HD 990 harman kardon ...
Страница 28: ...HD 990 harman kardon ...
Страница 29: ...ADSP BF532SBSTZ400 LQFP176 HD 990 harman kardon IC ADI Blackin DSP ...
Страница 30: ...VT7208 LQFP 216 HD 990 harman kardon IC Via Servo chip ...
Страница 31: ...KH29LV040CQC 70G PLCC 32 A290011TL 70 PLCC 32 HD 990 harman kardon IC KH Flash Memory IC AMIC Flash memory ...
Страница 32: ...HY57V641620ETP 7 TSSOP 54 M11B416256A SOJ 40 HD 990 harman kardon IC Hynix SDRAM IC EliteMT DRAM ...
Страница 33: ...BA5888FP HSOP 28 AD1955 SSOP 28 HD 990 harman kardon IC Rohm Actuator driver IC ADI DAC ...
Страница 36: ...SN74LV74ADR SOIC14 SN65LVDS2DBVR DBV5 HD 990 harman kardon IC TI D Type Trigger IC TI Differential Receiver ...
Страница 38: ...TL072CD SO8 AD8663ARZ SOIC8 HD 990 harman kardon Dual Op Amp IC ADI op amp ...
Страница 39: ...OPA2134UA SOIC8 OP275GS SO8 HD 990 harman kardon IC TI op amp IC ADI op amp ...
Страница 40: ...LM393 SOP8 AZ1117 ADJ 3 3V 5V SOT 223 HD 990 harman kardon IC ST Comparator IC AAC LDO ...
Страница 42: ...TPS73033DBVR DVB5 AAT3522 SOT 23 HD 990 harman kardon IC TI LDO IC AAT Reset monitor ...
Страница 43: ...L7805 L7812 TO 220 L7912 TO 220 HD 990 harman kardon Positive Regulator Negative Regulator ...
Страница 45: ...KA5M02659R DIP8 PC817 DIP4 HD 990 harman kardon IC FAIRCHILD FPS IC Sharp Photoelectric Coupler ...
Страница 48: ...HD 990 harman kardon ...