Blaupunkt BOSTON CD189 manual Troubleshooting Guide Specifications, General, Radio reception

Troubleshooting Guide Specifications

The following check will assist in the correction of most prob- lems which you may encounter with your unit. Before going through the check list below, refer back to the connection and operating procedures.

General

Trouble	Cause/Solution
No sound	Adjust the volume with the dial.
	Set the fader control to the cen-
	ter position with a 2-speaker sys-
	tem.

Indications do not appear Remove the front panel and

on the display window. clean the connectors with cotton swab dipped in isoprophyl alco- hol (90% or higher).

Radio reception

Trouble	Cause/Solution
Preset stations are not re-	The broadcast is too weak.
ceivable.
Automatic tuning is not pos-	The broadcast is too weak.
sible	→ Use manual tuning.
Travelstore feature does	Not enough broadcast frequen-
not complete storing of six	cies are receivable.
stations.

Also make sure that antenna is connected, extended and dry inside.

If the above mentioned solutions do not help to improve the situation, consult your nearest Blaupunkt dealer or in the United States call 1-800-266-2528 for technical assistance, parts and service. Call 1-800-950-2528 for dealer referral or to request product brochure.

CD Player Troubleshooting

When problems occur with CD playback, an error message appears in the display window.

Refer to the table below to identify the problem, then take the suggested corrective action. If the “ MECA ERR ” appears or

“SW ERROR ” persists, contact your nearest Blaupunkt dealer.

Message	Possible cause	Recommended action
CD ERROR	Dirty disc.	Clean the disc.
	Scratched disc.	Replace the disc.
	Up-side-down.	Check the disc.
	Focus error.	Try ejecting and
		reinserting under normal
		temperature conditions.
	Data and focus error. Under normal tempera-
		ture conditions, eject
		and insert clean, un-
		damaged disc properly.
SW ERROR	Mechanical problem. Eject and reinsert.

CD Changer Troubleshooting (HOUSTON DM189 only)

If a problem should develop while operating CD changer, an error message appears in the display window.

Refer to the table below to identify the problem, then take the suggested corrective action. If the error persists or “09 ER- ROR” appears, contact your nearest Blaupunkt dealer.

Message	Possible cause	Recommended action
NO DISC	No magazine	Load the magazine in
	No disc	the CD changer
	Up-side-down	Check the disc
01 ERROR	CD ROM is loaded	Replace with Music
		CD’s
COMM ERR	Communication error Check the connection of
		the CD changer
TEMP ERR	Excessive tempera-	The error sign will go off
	ture conditions at	and play will resume
	the CD changer	when the temperature at
		the changer returns to a
		normal range.

GENERAL

Dimensions	: Approx. 178 mm × 50 mm × 155 mm
		(W × H × D)
Power requirements :		12 volts DC car battery
		(negative ground)
Output Power	:	47 watts × 4 channels
Output Wiring	: Floating-ground type designed for 4
		speaker use.
		RCA low-level outputs (4 channels).
Output Impedance	: Compatible with 4-8 ohm speakers.
Low - Level Output	:	2 V. (4 channels)
TUNER
Tuning Range	: AM		: 530 - 1,710 kHz (10 kHz step)
		FM	: 87.5 - 107.9 MHz (200 kHz step)
Sensitivity	: AM		: 20 µV
		FM	: 1.5 µV
FM
Stereo Separation	:	30 dB
CD PLAYER
Frequency
Response	:	20 - 20,000 Hz
S/N Ratio	:	90 dB
Wow & Flutter	:	Below the measurable limit

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