Test Mode - Pioneer KEH-P7850 Service Manual

QQ
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7.2.2 TEST MODE

- Flow Chart
4
<CD multi player selected>
BAND
<Power OFF>
00' 00"
Display
BAND
<Power OFF>
TE
L 13942296513
BAND
<Power OFF>
BAND
<Power OFF>
< Mechanism test mode in >
3
<ELV,TRAY select>
*1 Normal focus close
00 00' 00"
www
*2 Normal display
*3 100 TRK jump and carriage MOVE continue only while the keys are released
.
*4 SINGLE
81
Display
*5 Normal display
http://www.xiaoyu163.com
00' 00"
SOURCE
Display
BAND 00' 00"
Display
<Power ON>
3 6
<Focus mode
<Focus closed>
select>
Display
TRK
91' 91"
TRK
2
81' 81"
Display
1
<Tracking <Tracking
closed > closed >
AGC YES
02' 56"
TRK
Display
example
FF REV
*3
<Carriage MOVE <Carriage MOVE
or T.jump> or T.jump>
<Tracking open >
1 00' 00"
Display
6 FF
*6 *7
<Operation mode <Shift >
select >
S curve check Focus EQ check
01 01' 01" 02
Display
Focus cancel Tracking offset
x ao
y
i
4TRK 10TRK 32TRK 100TRK
82 83 84 85
Focus gain Tracking gain
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8
6
ACC, Back-up ON
TRK
00 00'
6
TRK
<New test mode in>
1
*1
<Tracking closed >
<Carriage shifted
outwards while
91 this key is pressed>
81
TRK
6
3
*2
AGC NO
Q Q
<Carriage shifted
<Auto adjustment
3 6 7 1 3
outwards while
display>
1
this key is pressed>
6
*3 *4
<AGC display
<T.jump mode
select>
change>
2
72
TRK
REV BAND
*8 *9
<Shift > <Mechanism test
mode out >
*6
02' 02"
*7
Tracking balance
(Close spindle-rough)
u163
.
C.MOVE
86
*8
Focus bias
*9
2 9 9 4 2 8
During regulator off, press the 6
00" key and the system will be put into
TRK
the new test mode.
Display
FF REV
<Carriage shifted
inwards while
this key is pressed>
FF REV
<Carriage shifted
1 5 0 5 8 2 9 9 4
inwards while
this key is pressed>
1 3
*5
<AGC > <Tracking open>
00' 00"
Display
00' 00"
TRK
Display
ELV motor select TRAY motor select
72 00' 0X" 72 10'
Display
m
8ms pulse drive 24ms pulse drive
72 00' 00" 72 00' 01"
co Display
48ms pulse drive 100ms pulse drive
72 10' 00" 72 10' 01"
Display
ELV select : ELV dowm (Disc 1 6)
TRAY select : TRAY out
ELV select : ELV up (Disc 6 1)
TRAY select : TRAY in
KEH-P7850
9 9
2 8 9 9
2
TRK
0X"
DC drive
72 00' 02"
DC drive
72 10' 02"
45