Pioneer DEH-P5780MP Service Manual page 51

5
- Flow Chart
[4]+[6]+Reset or
[KEY]
[4]+[6]+BU+ACC
Contents
Test Mode In
Display
[CD]or[SOURCE]
Source On
TRK MIN SEC
[BAND]
Power On
(T.Offset is adjusted)
TRK MIN SEC
00 00
[BAND] [3]
Focus Close
Power Off
S curve check
TRK MIN SEC TRK MIN SEC
91 91
[BAND] [1]
T.Close and AGC
Power Off
Applicable servomechanism
TRK MIN SEC TRK MIN SEC
?tr ?min
[BAND] [1]
F,T,RF AGC
Power Off
F.Bias display switching
TRK MIN SEC TRK MIN SEC
?? ??
[BAND]
Power Off
TRK MIN SEC
→
*1) TYP -6dB
TRK MIN SEC TRK 06 MIN 06 SEC 06
→
*2) Focus Close S.Curve check setting
TRK 00 MIN 00 SEC 00 TRK 01 MIN 01 SEC 01
(TRK 99 MIN 99 SEC 99)
*3) F.Offset Display → T.Offset Display → Switch to the order of the original display
*4) 1TR / 32TR / 100TR
*5) Single TR → 32TR → 100TR → CRG Move
9x(8x) : 91(81) 92(82) 93(83) 94(84)
*6) Only at the time of CRG move, 100TR jump
*7) TRK/MIN/SEC → F.AGC → T.AGC → F Bias → RF AGC
*8) CRG motor voltage = 2[V]
*9) Applicability : A, B, C, D, E, F
→ →
TYP(1X) 2X
TRK MIN SEC TRK 22 MIN 22 SEC 22 TRK 11 MIN 11 SEC 11
As for the double speed (2x), audio output cannot be supported
5
6
[3] [2]
RF AMP
Power On
(T.Offset is not adjusted) Gain switching
TRK MIN SEC TRK MIN
00 99 99 99
GG GG
[6] [1]
*2
Tracking Servo
Focus Mode
Close
switching
TRK MIN SEC TRK MIN
91 0x 0x 0x 00 00
or TRK 99 MIN
[6] [3]
RF AGC /
T.Close
Applicable servomechanism RF AGC coefficient display
TRK MIN SEC TRK MIN
??
?sec ?tr ?min ?sec
[3] [6]
*7
F,T AGC / F.Bias
CRG/TR Jump
RF AGC value switching
TRK MIN SEC TRK MIN
??
?tr ?min ?sec ?tr ?min ?sec
→
-12dB
TRK 12 MIN 12 SEC 12
→
F EQ measurement setting
TRK 02 MIN 02 SEC 02
Applicability : G
1X TYP(2X)
TRK MIN
DEH-P4750MP/XM/GS
6
7
[4]
*1 *9
SPINDLE
Speed switching
SEC TRK MIN SEC
GG SP SP SP
[→]
*8
CRG+
SEC TRK MIN SEC TRK
00 00 00 00 00
99 SEC 99 or TRK 99 MIN 99 SEC 99 or TRK
[→]
CRG+
SEC TRK MIN SEC TRK
?? ?? 8x 8x 8x 8x
or TRK 9x MIN 9x SEC 9x or TRK
[→]
*5 *4
CRG/TR Jump + CRG/TR Jump -
SEC TRK MIN SEC TRK
?tr ?min ?sec ?tr
Tracking Open
TRK
8x
or TRK
Operation
[Key]
Test Mode
[BAND] Power On / Off
CRG + / TR Jump +
[→]
(Direction of the external surface)
CRG - / TR Jump -
[←]
(Direction of the internal surface)
U.CLS and AGC and Applicable servomechanism /
[1]
AGC, AGC display setting
RF Gain switching / Offset adjustment display /
[2]
T.Balance adjustment / T.Open
Close, S.Curve / Rough Servo and RF AGC /
[3]
F, T, RF AGC
SPDL 1X / 2X switching
[4]
As for the double speed (2x), audio output cannot be supported.
[5] Error Rate measurement
F.Mode switching / Tracking Close /
[6]
CRG • TR Jump switching
→ →
1X 2X
SEC TRK 11 MIN 11 SEC 11 TRK 22 MIN 22 SEC 22
7
8
[←] [2]
*8
Automatic adjustment
CRG-
switching
*3
MIN SEC TRK MIN SEC
00 00 ?? ?? ??
99 MIN 99 SEC 99
[←] [2]
T.Balance adjustment /
CRG-
T.BAL coefficient display
MIN SEC TRK MIN SEC
8x 8x ?? ?? ??
9x MIN 9x SEC 9x
[←] [2]
*4
Tracking Open
MIN SEC TRK MIN SEC
8x 8x 8x
?min ?sec
or TRK 9x MIN 9x SEC 9x
*6
[2]
MIN SEC
8x 8x
9x MIN 9x SEC 9x
1st - ON : ERR count Beginning (30Sec)
2nd - ON : BER display data [%]
8
A
B
C
D
E
F
51