Pioneer DEH-P20, Service Manual

Page: 46 / 75

46
DEH-P2000,P20,P2050
-
Flow Chart
Focus Close
*2
S Curve Check
01 01 01 00 00 00
(99 99 99)
Display
TYP
4
3
Reset
SOURCE
New test mode
6
[
BAND
BAND
BAND
BAND
BAND
3
*2
*1
+6dB +12dB
*4
*5
6
6
6
6
1
2
1
2
]
] [
06 06 06 12 12 12
Sourse CD
Single TR 32TRK
92(82)
CRG Move
94(84)
100TRK
93(83)
Focus Mode
Select Focus Close/
S Curve Check
CRG-
Auto Adjustment
Display Select
<Tracking Servo Close> CRG+
RF AGC Coefficient Display/
Rough Servo and RF AGC
Tracking
Open
Display
Tracking
Open
T. Close and
Fit Servo
*3 F.Offset Display RF.Offset Display F.Cansel Display
*7
Single TR/32TR/100TR
Voltage of CRG Motor = 2 [V]
(F,T.AGC Gain = (Present Value/Initial Value) ¥ 20)
*6
] [
1
3
Display
2
3
Display
or
8x 8x 8x
TRK SEC MIN
9x 9x 9x
TRK SEC MIN
or
CRG- CRG+
T.Balance
Adjustment
*7
F, T, RF AGC/
F.Bias Display Select F, T AGC and
RF AGC
CRG Move, 100TR Jump Only
TRK, MIN, SEC F.AGC Gain RF AGC Gain T.AGC Gain
*8
Power ON
(Adjustment for T.Offset)
*5 *4 *4
*6
CRG/TR Jump NO.
Select CRG+/TR Jump+
CRG-/TR Jump-
Power OFF
Display
Display
Display
T.Close and
F,T AGC and
RF AGC and
Fit Servo
Display
Power ON
(Not adjustment for T.Offset)
Display
Display
2
RF AMP Gain Select
2
Power OFF
Power OFF
Power OFF
8x 8x 8x
TRK SEC MIN
9x 9x 9x
TRK SEC MIN
8x 8x 8x
TRK SEC MIN
9x 9x 9x
TRK SEC MIN
or
8x 8x 8x
TRK SEC MIN
9x 9x 9x
TRK SEC MIN
or
00 00 00
TRK SEC MIN
99 99 99
TRK SEC MIN
or
00 00 00
TRK SEC MIN
99 99 99
TRK SEC MIN
or
00 00 00
TRK SEC MIN
99 99 99
TRK SEC MIN
or
91 91 91
TRK SEC MIN
0x 0x 0x
TRK SEC MIN
00 00 00
TRK SEC MIN
99 99 99
TRK SEC MIN
GG GG GG
TRK SEC MIN
Test Mode In
*1
*8 *3 *8
F.Cancel Value = {Top Rank 8bit of Set Value (7F [H] to 80 [H] ) + 128} / 4
= 63 [D] to (32 [D] ) to 00 [D]
9x(8x):91(81)