Pioneer FX-MG8606ZT-91/UC, Service Manual

Page: 78 / 98

78
FX-MG8606ZT,MG8606ZT-91,MG8706ZT,MG8706ZT-91
[MSG] [3]
CAMMOTOR
select
[4]
ELVMOTOR
select
[5]
LOADMOTOR
select
[3]
Mechanism Test In
Initial State
[MSG]
CD Test Mode
[TYPE]
New Test Mode
Source CD
Test Mode In
[6]
CAM+LOADMOTOR
select
[SEEK UP]
MOTOR FWD drive
[Key]
[MSG]
[SEEK UP]
[SEEK DOWN]
[3]
[4]
[5]
[6]
Operation
Mechanism Test is initialized.
Valid only when the motor selected (using the
[F3] to [F6] keys) is driven in FWD direction.
CAMMOTOR is selected.
[5]
CD Test Mode
[SEEK DOWN]
MOTOR REV drive
Valid only when the motor selected (using the
[F3] to [F6] keys) is driven in REV direction.
ELVMOTOR is selected.
LOADMOTOR is selected.
CAM + LOADMOTOR is selected.
<Screen Display during Mechanism Test Mode>
MIN : Upper (10th order):
Type of motors selected
Lower (order of 1): State of DISC
sensing phototransistor and switch
1* : CAM motor
2* : ELV motor
3* : LOAD motor
4* : CAM+LOAD motor
PH1 PH2 MAXSW Display
L
H
L
H
L
H
L
H
L
L
H
H
L
L
H
H
L
L
L
L
H
H
H
H
*0
*1
*2
*3
*4
*5
*6
*7
L:
H: Phototransistor is OPEN and switch is ON.
Phototransistor is CLOSE and switch is OFF.
SEC :
1
When ELV motor is selected, ELV position is displayed
01: ELV at home position (1st disc).
10: ELV at a position other than home (2nd to 6th).
11: ELV moving to a specified position. * Note 1.
00: Not used (for an error)
2
When CAM.LOAD motor is selected:
Indicates CAM SW (CAM gear) status.
SW1 (DOORSW)
SW2 (LOADSW)
SW3 (MODESW)
SW4 (CLAMPSW)
Display
10
30
31 21 20 22 23 33 32
REV
FWD
Note 2
clamp
[CD] or [DISC]
TRK MIN SEC
[SEEK UP] + [AM]
[1]
[EJECT]
DISC DOWN
DISC Eject
[LOAD]
DISC Load
❏
Operating Procedures:
1)
2)
3)
4)
Enter Diag and set on the CD test mode.
Subsequently, exit from Diag and set the source for the CD.
Turn on the Mechanism Test Mode using the [3] key.
Select the motor to be driven
using the [3] to [6] keys.
Press the [SEEK UP] or [SEEK DOWN] in this
state to drive the selected motor.
[Key]
Contents
Display
Diag. Mode In
[1] + [6] + [DISC] 3 times
PBUS TEST
Diag. off
[DISC] 3sec
72 0*
**
TRK MIN SEC
00
00 00
TRK MIN SEC
99
99 99
TRK MIN SEC
72
1* **
TRK MIN SEC
72 2* **
TRK MIN SEC
72 3*
**
TRK MIN SEC
72 4*
**
TRK MIN SEC
72
** **
TRK MIN SEC
72
** **
TRK MIN
SEC
CD Test mode
00 00
00
TRK MIN SEC
TRK : 72
[2]
DISC UP
B0H
B1H
B2H
B3H
B4H
B5H
B6H
A8H
A9H
43H
60H
❏
Precautions
*
*
Note 1:
Note 2:
The keys are inoperable as long as operation of the mechanism is continued.
When driving the CAMMOTOR in 31
→
30
→
10 (in REV direction),
the elevation position must be at the EJECT/LOAD position (the top position).
When the elevation is situated at the Note 1 position, move of any motor
other than the REV is disabled.
Before performing the elevation, make sure that the CAM SW (switch) is
set to a position between 22 and 20.
As a rule, driving of the ELV MOTOR must be started immediately after
the CAMSW indication has changed from 22 to 20.
MIN SEC
X*
TRK
72*
MIN SEC
X*
TRK
72* **
-
CD Mechanism Test Mode Flow Chart