Pioneer DEH-MG2047, Service Manual

Page: 56 / 82

DEH-MG2047ZF/XU/UC
56
1 2 3 4
1 2 3 4
C
D
F
A
B
E
[SCAN]
Power Off
[3]
Focus Close/S-curve/
F, F0 Measurement
[6]
Focus Mode Select
[1]
Tracking Servo
Close
[SCAN]
Power ON
(T.OFFSET adjustment required)
[3]
Power ON
(T.OFFSET adjustment not required)
[1]
Mechanism Test Mode
Initial State
[CD]
Source CD
[SCAN]
Power Off
[1]
Tracking Close
(AGC, Applicable Servo)
[6]
Tracking Close
(No AGC, Applicable Servo)
[3] [2]
Tracking Balance
Adjustment
[Key]
Contents
Display
[3] [6]
CRG/TR Jump Count
Select
[SEEK UP]
CRG+/TR Jump+
[SEEK DOWN]
CRG–/TR Jump–
[SCAN]
Power Off
[1]
F,T,RF AGC
Display Switching
or
[SEEK UP]
CRG+
[SEEK DOWN]
CRG-
[SEEK UP]
CRG+
[SEEK DOWN]
CRG-
[SCAN]
Power Off
[2]
Trackig Open
[2]
Trackig Open
*2
*9
*7
*5
*4
*4
*6
*4) Single TR /4TR / 10TR / 32TR / 100TR
→ → → → →
9X(8X):91(81)
4 TR
92(82)
10 TR
93(83)
32 TR
94(84)
100 TR
95(85)
CRG Move
96(86)
Single TR *5)
*6) Only for the CRG Move and 100TR modes
→ → →
F.AGC Gain T.AGC Gain RF AGC Gain
(F.T. AGC Gain = (Current value/Initial value) x 20)
Track No. / Min / Sec
*7)
•
•
In all TR Jump modes except for 100TR, track jump operation continues even after the key is released.
In the CRG Move and 100TR Jump modes, the tracking servo loop closes at the same time when the key is released.
When the power is turned off and on, the jump mode, the RF AMP gain
setting, and the auto adjustment values are reset to the Single TR (91),0dB, and the factory setting respectively.
Note: When you pressed the [SEEK UP] or [SEEK DOWN] key during the Focus Search, you must turn the power off immediately
(otherwise, the lens can stick resulting in actuator damages).
[Key]
[SCAN]
[SEEK UP]
[SEEK DOWN]
[1]
[2]
[3]
[6]
Operation
Test Mode
Power ON/OFF
CRG+/TR Jump+
(Toward outer perimeter)
Tracking close and AGC and Applicable
servo / AGC , AGC display switching
RF gain select / Offset adjustment display/
Tracking balance adjustment / Tracking open
Focus Close, S.Curve /
Rough Servo/ RF AGC / F,T, RF AGC
CRG-/TR Jump-
(Toward inner perimeter)
[4]
[5]
Focus open
Jump off
MIN SEC TRK
MIN SEC
TRK
00 00 00
MIN SEC TRK
99 99 99 MIN SEC TRK
00 00 72
[2]
RF AMP Gain Select *1
MIN SEC TRK
00 00 00
MIN
SEC
TRK
MIN SEC TRK
MIN SEC TRK
MIN SEC TRK
91 91 91
MIN SEC TRK
0x 0x 0x
MIN
SEC
TRK
99 99 99
MIN SEC TRK
00 00 00
or
MIN SEC TRK
99 99 99
MIN SEC
TRK
00 00 00
or
MIN SEC TRK
99 99 99
MIN SEC TRK
00 00 00
[2]
*3
MIN SEC
TRK
?? ?? ??
Auto Adjustment Display
Select
MIN
SEC
TRK
8x 8x 8x
or
MIN SEC TRK
9x 9x 9x
MIN SEC TRK
8x 8x 8x
or
MIN SEC TRK
9x 9x 9x
MIN SEC TRK
8x 8x 8x
MIN SEC TRK
xx xx xx
MIN SEC TRK
xx xx xx
MIN SEC
TRK
?? ?? ??
F,T AGC and
RF AGC
MIN SEC TRK
xx xx xx
MIN SEC
TRK
xx xx xx
MIN SEC TRK
xx xx xx
MIN SEC
TRK
xx xx xx
or
MIN SEC TRK
9x 9x 9x
MIN SEC TRK
8x 8x 8x
or
MIN SEC TRK
9x 9x 9x
MIN SEC TRK
8x 8x 8x
MIN SEC TRK
?? ?? ??
Rough Servo and RF AGC/
RF AGC Factor Display
MIN SEC TRK
*2)
MIN SEC
00 00
) MIN SEC
99
99
S.Curve Check
MIN SEC
01 01
LD Off Focus Close
MIN SEC
02 02
→ →
TRK
00
(TRK
99
TRK
01
TRK
02
*1)
MIN SEC
-6dB
MIN SEC
06 06
-12dB TYP
MIN SEC
12 12
→ →
TRK
TRK
06
TRK
12
→ → →
F.Offset Display
*3)
RF Offset Display T.Bal Display Rough Servo.
( F.Cancel value
= (Upper 8 bits of the setting (7F[H] to 80[H] + 128)/4
= 63[D] to 32[D] to 00[D]).
*8) CRG motor voltage : 2 [ V ]
*9)The first press displays the RF AGC coefficient. The second one or after performs the rough servo and RF AGC adjustments, and then displays the RF AGC coefficient.
Focus mode select / Tracking close /
CRG.TR jump select
[DISC UP]
[DISC DOWN]
DISC UP
DISC DOWN
[4]+[6]
Test Mode In
-
Flow Chart