Pioneer DEH-MG2037ZF Service Manual page 62

1
- Flow Chart
A
[Key]
Contents
Display
Power ON
(T.OFFSET adjustment required)
TRK
B
[SCAN]
Power Off
TRK MIN SEC
[SCAN]
Power Off Tracking Close
(AGC, Applicable Servo)
TRK MIN SEC
C
[SCAN]
Power Off
TRK MIN SEC
[SCAN]
Power Off
SEC
TRK MIN
D
*1) →
TYP -6dB
TRK MIN SEC
TRK MIN SEC
06
06
*2) →
Focus Close S.Curve Check
TRK MIN SEC
TRK MIN SEC
00 00 00
01
MIN SEC
(TRK )
99
99
99
→
*3)
F.Offset Display RF Offset Display
( F.Cancel value
= (Upper 8 bits of the setting (7F[H] to 80[H] + 128)/4
= 63[D] to 32[D] to 00[D]).
*4) Single TR /4TR / 10TR / 32TR / 100TR
→ →
*5) Single TR 4 TR 10 TR
E
9X(8X):91(81) 92(82) 93(83)
*6) Only for the CRG Move and 100TR modes
→
*7)
Track No. / Min / Sec F.AGC Gain
(F.T. AGC Gain = (Current value/Initial value) x 20)
*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.
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).
F
62
1
2
[4]+[6]
Test Mode In
[CD]
Source CD
TRK MIN SEC
[SCAN]
Power ON
(T.OFFSET adjustment not required)
MIN SEC TRK MIN
00 00 00 99 99
[6]
[3]
Focus Close/S-curve/ *2
Focus Mode Select
F, F0 Measurement
MIN SEC MIN SEC
TRK TRK
91 91 91 0x 0x 0x
[1] [6]
Tracking Close
(No AGC, Applicable Servo)
SEC
TRK MIN TRK MIN SEC
xx xx xx xx xx xx
[1] [3]
F,T,RF AGC F,T AGC and
*7
Display Switching RF AGC
SEC
TRK MIN TRK MIN SEC
?? ?? ??
xx xx xx
→
-12dB
MIN SEC
TRK
06 12 12 12
→
LD Off
MIN SEC
TRK
01 01 02 02 02
→ →
T.Bal Display Rough Servo.
→ → →
100 TR CRG Move
32 TR
95(85) 96(86)
94(84)
→ →
T.AGC Gain RF AGC Gain
DEH-MG2037ZF/XU/UC
2
3
[2]
[3]
RF AMP Gain Select *1
SEC TRK MIN SEC
99 00 00 00
[1] [SEEK UP]
Tracking Servo
CRG+
Close
TRK MIN SEC TRK MIN SEC
00 00 00 00 00 00
or
or
SEC TRK MIN SEC
TRK MIN
99 99 99 99 99 99
[3]
Rough Servo and RF AGC/
*9
RF AGC Factor Display
TRK MIN SEC
?? ?? ??
[6] [SEEK UP]
CRG/TR Jump Count
CRG+/TR Jump+
*5
Select
SEC TRK MIN SEC
TRK MIN
xx xx xx xx xx xx
[Key]
[SCAN]
Power ON/OFF
CRG+/TR Jump+
[SEEK UP]
(Toward outer perimeter)
CRG-/TR Jump-
[SEEK DOWN]
(Toward inner perimeter)
Tracking close and AGC and Applicable
[1]
servo / AGC , AGC display switching
RF gain select / Offset adjustment display/
[2]
Tracking balance adjustment / Tracking open
[3] Focus Close, S.Curve /
Rough Servo/ RF AGC / F,T, RF AGC
Focus mode select / Tracking close /
[6]
CRG . TR jump select
[4]
Focus open
[5]
Jump off
[DISC UP]
DISC UP
[DISC DOWN] DISC DOWN
3
4
[1]
Mechanism Test Mode
Initial State
TRK MIN SEC
72 00 00
[SEEK DOWN]
Auto Adjustment Display
CRG-
Select
SEC
TRK MIN
00 00
00 TRK MIN
or ??
TRK MIN SEC
99 99 99
[SEEK UP] [SEEK DOWN]
CRG-
CRG+
TRK MIN SEC TRK MIN SEC
8x 8x 8x 8x 8x 8x
or or
TRK MIN SEC TRK MIN SEC
9x 9x 9x 9x 9x 9x
[SEEK DOWN] [2]
*4 *4
Trackig Open
CRG– /TR Jump–
SEC
TRK MIN TRK MIN SEC
xx xx xx
8x 8x 8x
or
TRK MIN SEC
9x 9x 9x
*6
[2]
Trackig Open
TRK MIN SEC
8x 8x 8x
or
SEC
TRK MIN
9x 9x 9x
Operation
Test Mode
4
[2]
*3
SEC
?? ??
[2]
Tracking Balance
Adjustment
MIN SEC
TRK
8x 8x 8x