Pioneer MEP-7000 Service Manual

63
MEP-7000
5
6 7 8
5
6 7 8
A
B
C
D
E
F
No. Waveform Items for check Causes and measuresPoints to be checked
-
Abnormal sound when the JOG dial is turned
1 JOG ASSY
-
The JOG dial turns too freely (The load on the JOG dial is outside the specified range.)
1 JOG ASSY
-
Resistance to turning the JOG dial is too strong (The load on the JOG dial is outside the specified range.)
1 JOG ASSY
[3-7] Abnormality in operation of the rotary selector
(Turning or pressing of the rotary selector does not function.)
No. Waveform Items for check Causes and measuresPoints to be checked
1-
2-
CABLE
-
Either of the 2 types of gears have
scratches or burrs, or oil applied
to the gears is insufficient.
Check if the load on the JOG dial
is within the specified range,
according to [How to Measure]
in “8.1 CONFIRMATION MODE
AND ADJUSTMENT METHOD
FOR LOAD ON THE JOG DIAL.”
Check if the load on the JOG dial
is within the specified range,
accordingto [How to Measure]
in “8.1 CONFIRMATION MODE
AND ADJUSTMENT METHOD
FOR LOAD ON THE JOG DIAL.”
Check if the cables that connect
the RENC and NMAIN Assys are
securely connected and if there is
breakage in the cables.
If the problem is not resolved
even after the above-mentioned
measures are taken
Replace the gears and apply a little oil,
according to “1.6 REASSEMBLING OF THE
CONTROL UNIT.” After the gears are replaced,
oil must be applied. After that, check that the
load on the JOG dial is within the specified
range, according to “8.1 CONFIRMATION
MODE AND ADJUSTMENT METHOD FOR
LOAD ON THE JOG DIAL.”
If it is outside the specified range, the load on
the JOG dial may be too small or oil applied to
the dial is insufficient. Shift the position of the
adjustor plate according to [How to Adjust] in
“8.1 CONFIRMATION MODE AND ADJUST-
MENT METHOD FOR LOAD ON THE JOG
DIAL.”
If it is outside the specified range, the load on
the JOG dial may be too large or oil applied to
the dial is too much. Shift the position of the
adjustor plate according to [How to Adjust] in
“8.1 CONFIRMATION MODE AND ADJUST-
MENT METHOD FOR LO
AD ON THE JOG
DIAL.”
If a connection is loose, firmly connect the
cables.
If there is breakage, replace the cable.
Replace the rotary encoder (S2107).
During the above-mentioned adjustment, if the
position of the adjustor plate reaches the lower
limit, wipe off oil from the dial then reapply it,
according to “1.6 REASSEMBLING OF THE
CONTROL UNIT.” After the above-mentioned
adjustment is completed, check that the load
on the JOG dial is within the specified range,
according to “8.1 CONFIRMATION MODE
AND ADJUSTMENT METHOD FOR LOAD ON
THE JOG DIAL.”
During the above-mentioned adjustment, if the
position of the adjustor plate reaches the upper
limit, wipe off oil from the dial then reapply it,
according to “1.6 REASSEMBLING OF THE
CONTROL UNIT.” After the above-mentioned
adjustment is completed, check that the load
on the JOG dial is within the specified range,
according to “8.1 CONFIRMATION MODE
AND ADJUSTMENT METHOD FOR LOAD ON
THE JOG DIAL.”
Check the status with the auto
device diagnosis or the status
LEDs, or check the pulse wave-
form output at Pin 2 of the CPLD
(IC1700).
If the CENTER PANEL microcomputer (IC800)
is judged as NG, it has not been correctly
started up.See “[8] Auto Device iagnosis/Status
LEDs” in this section.
No. Waveform Items for check Causes and measuresPoints to be checked
[3-8] The keys do not function.
1
All the keys on the center area do not function.
-
151

Pioneer MEP-7000 Specifications

General

Frequency range	4 - 20000 Hz
Channels quantity	- channels
Digital sound processing	- bit
Total Harmonic Distortion (THD)	0.006 %
Dimensions (WxDxH)	483 x 325 x 91 mm
Power consumption (typical)	33 W

Weight and Dimensions

Weight	6100 g