harman/kardon
TECH TIPS
Troubleshooting tips and solutions to common service problems
For models: CDR2 TIP# HKTT2003-04
VARIOUS COMPLAINTS - TIPS AND SOLUTIONS
Complaint Of Noisy Recording, Dropout, “Static” Or “Ticking” Sound During Recording: Check Flat Cable
Connecting Record And Play Decks – order part# 6850R-GZ21Z. Also ground cable to chassis
(with paper
clip or alligator clip)
No Digital Signal Output:
Check T401
Check X501
Units with serial #’s LG0001-8001 (120v) and higher should not have a problem with components.
Check T101
Units with serial #’s LG0001-29501 (120v) and higher should not have a problem with component.
Playability Upgrades:
Remove C121,C222
C104: change from 0.1ohms to 0.015 ohms.
R130: change from 5.6Ω to 8.2Ω.
R312: change from 15Ω to 22Ω.
R310: change from 22Ω to 15Ω.
Units with serial #’s LG0001-29501(120v) and higher have been modified
Digital Signal Output Level
R254,R259 change from 100Ω to 330Ω
R257,R263 change from 330Ω to 100Ω
For complaint: "CR2 defaults back to X1 speed when attempting to record at X4 speed" :
Normal conditions -
1) Will occur when an external input is selected.
2) Will occur when dubbing from a copied CD. (automatically goes into analog recording)
3) Will occur when dubbing from a copy protected CD. (automatically goes into analog recording)
4) Will occur when dubbing a programmed play list.
5) Certain CDR disc brands may only copy at X1 speed. Try another brand.
Otherwise replace IC209.
CDR2 DEAD (NO POWER/SHUTDOWN) AFTER IT WAS MOVED, SHIPPED, OR DROPPED:
Check for a broken Power Supply traces in PCB area around power transformer.
Units with serial #’s LG0001-10793 (120v) and higher have been modified
Please check the power supply
soldering. Especially all the
components mounted on the heatsink
CDR2 harman/kardon
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