Fostex 1240 - Trouble Shooting; Notes on after Service

SECTION 8. TROUBLE SHOOTING
When this mixer fails to operate properly, check the
following before concluding there is a breadkdown or
malfunction.
• Feedback occurs when a given track is set to input
monitor.
Are you sure the output of the given track is not
connected to the buss which is used for the send to
this track? Check the signal routing determined by the
assign switches (10), (11), (12) and PAN (13), or that
of CUE/L-R selector (5) to see that you are not creating
a loop.
• No signal is heard at the INPUT fader (17).
Are you sure you are not plugging a monaural phone
plug into the SEND/RCV jack (37) for that channel?
If so, the signal will be sent to the processor but the
effect output will not be received.
• Cannot hear the signal selected by the MONITOR
selector (26). Meter (32) L, R does not indicate
properly.
Are you sure the PFL/SOLO LED (48) is not lit? If so,
refer again to “NAME AND FUNCTION/OPERATION
OF EACH CONTROLS AND SWITCHES” in page 4.
• CUE is selected by MONITOR selector (26) but no
sound is heard. Also can not hear the PFL and SOLO
sounds.
Are the CUE master level knob (31) and/or the
PFL/SOLO level knob (30) raised? Are the MONITOR
level knob (28) and PHONES level knob (29) raised?
Check these again.
• No sound from the speaker.
Is the MONITOR OUT selector (27) properly selected?
Check this again.
• Even though the MUTE button (14) is pressed, sound
from this channel is heard.
Are you sure the PFL button (15) is not pressed or
the PRE signal of AUX 1, 2 send (8) is not solo
monitored by the AUX SOLO button 1, 2 (24)?
Mute is effective only on the signals immediately after
the INPUT faders (17).
• Although sound is faded out by the INPUT fader (17),
the processed effect sound of this channel is still
heard.
Are you sure that AUX 1, 2 and (8) is not used for
sending to the processor and also that PRE/POST
selector (9) is not set to PRE? Set to POST if you wish
to link it with the fader.
• PEAK LED is frequently lit although level had been
malched by TRIM (1).
Did you raise the EQ (7) gain for timbre adjusting after
level matching? If so, refer again to “2. Level Match¬
ing With External Equipment” in page 7.
• Sound not assigned to STEREO buss is in the
STEREO buss monitor.
Are you sure the GROUP TO STEREO GAIN 1 - 4
is not raised? Set this to - <» when it is not required.
SECTION 9. NOTES ON AFTER SERVICE
1. A warranty card is attached to this product. As the
proper items in the warranty card are filled in at the 4.
point of purchase, check these items and carefully
store it together with Owners Manual.
2. The warranty period is one year from date of purchase 5.
Throughout the warranty period, the Service Section
of our organization will repair the product in
accordance to content of the warranty. Refer to the
warranty card for details.
3. Please consult your store of purchase, nearest R»stex
Office or the Service Department in the Fostex head
office if you have any questions on repairs after
expiration of the warranty period or if the warranty
card cannot be produced.
If performance of the product can be maintained by
repairing, it will be repaired at cost by request from
the user although the warranty has expired.
Minimum period of stocking of maintenance and repair
parts (parts necessary for maintaining the function
of the product) for this product is six years after
discontinuation of the product. This period is
determined by the Ministry of Commerce and Industry.
Addresses and telephone numbers of Fostex
Business Offices are listed on the back cover of this
Manual.
18