Test Mode - Pioneer KEH-P780 Service Manual

7.2.2 TEST MODE

- Flow Chart
4
<CD multi player selected>
<Power ON>
BAND
<Power OFF> <Focus closed>
00' 00"
TRK
Display
BAND
<Power OFF> <Tracking
closed >
AGC YES
BAND
<Power OFF>
<Carriage MOVE
or T.jump>
BAND
<Power OFF>
< Mechanism test mode in >
3
*6
<ELV,TRAY select>
*1 Normal focus close
00 00' 00"
Display
*2 Normal display Focus cancel
*3 100 TRK jump and carriage MOVE continue only while the keys are released
*4 SINGLE 4TRK 10TRK
81 82
Display
*5 Normal display Focus gain
6
00' 00"
SOURCE
TRK
Display
BAND 00' 00" 00
TRK
Display
3
6
*1
<Focus mode
select>
Display
91' 91"
91
TRK
2
81
81' 81"
TRK
Display
1 6
<Tracking
closed >
AGC NO
1
02' 56"
TRK
Display
example
FF REV
*3 *3
<Carriage MOVE
or T.jump>
2
<Tracking open >
72
1 00' 00"
TRK
Display
6 FF
*7 *8
<Operation mode <Shift >
select >
S curve check Focus EQ check
01 01' 01" 02 02' 02"
Tracking offset Tracking balance
(Close spindle-rough)
32TRK 100TRK C.MOVE
83 84 85
Tracking gain Focus bias
ACC, Back-up ON
6 00' 00"
TRK
Display
<New test mode in>
1 FF
<Tracking closed >
<Carriage shifted
outwards while
this key is pressed>
3 FF
*2
<Carriage shifted
<Auto adjustment
display> outwards while
this key is pressed>
1
6
*4 *5
<AGC display
<T.jump mode
select>
change>
REV BAND
*9
Display
<Shift > <Mechanism test
mode out >
*6 ELV motor select
72 00'
8ms pulse drive
*7
72 00'
48ms pulse drive
72 10'
86
*8 ELV select
TRAY select : TRAY out
*9 ELV select
TRAY select : TRAY in
KEH-P780,P7800
During regulator off, press the 6
key and the system will be put into
the new test mode.
REV
<Carriage shifted
inwards while
this key is pressed>
REV
<Carriage shifted
inwards while
this key is pressed>
3 2
<AGC > <Tracking open>
00' 00"
TRK
Display
00' 00"
TRK
TRAY motor select
0X" 72 10' 0X"
Display
24ms pulse drive DC drive
00" 72 00' 01" 72 00'
Display
100ms pulse drive DC drive
00" 72 10' 01" 72 10'
Display
: ELV dowm (Disc 1 6)
: ELV up (Disc 6 1)
02"
02"
49