DOWNLOAD Sharp DX-SX1 (serv.man2) Service Manual ↓ Size: 3.97 MB | Pages: 76 in PDF or view online for FREE

Model
DX-SX1 (serv.man2)
Pages
76
Size
3.97 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Including circuit diagrams
File
dx-sx1-sm2.pdf
Date
PREV: Sharp DX-SX1 User Manual / Operation Manual

Sharp DX-SX1 (serv.man2) Service Manual ▷ View online

DX-SX1H
– 9 –
Adjusting the tension of the timing belt
Remove the gear unit and connect the ammeter to the DC
power as shown in Fig. 9-1.
DC Power
3.5V
M
1
2
Loading
Motor
Gear
Unit
Connector
Ampere
Meter
Figure 9-1
If measurement of the loading motor current is possible, move
the motor in the direction of the arrow so as to obtain 40 - 50
mA, and fix the motor with screws (A1) x 2 pcs.
(A1) x1
ø1.7x2mm
(A1) x1
ø1.7x2mm
Timing Belt
Shaft
Motor
Pully Ass'y
Drive
Pulley
Figure 9-2
DX-SX1H
– 10 –
ADJUSTMENT
TEST MODE
Description of the test mode
1. How to enter the test mode
In the no disc mode and the tray eject mode, press the SACD/CD button and the track down button more than two seconds.
Display: F 0 _ _ 0 0 0 0 0
2. Entering a desired test mode
1
 Version check
Press the SACD button to enter this mode.
Display: 1 0 _ 9 0 9 2 8
Year/Month/Day
Program date
2
 Mechanism test
Press the STOP button to enter this mode.
(In case of the no disc mode, eject the tray.)
Display: 2 0 _ 0 0 0 0 0
3
 Dynamic test
Press the PAUSE button to enter this mode.
(In case of the no disc mode, eject the tray.)
Display: 3 0 _ 0 0 0 0 0
4
 FIP test
Press the PLAY button to enter this mode
Display: All lamps lit up.
Press the PLAY button again to return to the initial test mode
Display: F 0 _ 0 0 0 0 0
3. Version check mode
1
 Program date
Display: 1 0 _ 9 0 9 2 8
Year/Month/Day
2
 Model number (Press the PLAY button in the step 
1
.)
Display: 1 0 _ 0 0 0 1 0
Model number
3
 Version (Press the PLAY button in the step 
2
.)
Display: 1 0 _ A 0 0 0 1
Version number
4
 Then press the PLAY button to return to the initial test mode.
Display: F 0 _ 0 0 0 0 0
4. Mechanism test
1
 (In case of the no disc mode, eject the tray.)
Display: 2 0 _ 0 0 0 0 0
2
 Tray mechanism aging mode (Press the OPEN/CLOSE button in the step 
1
.)
Display 2 1 _ 0 0 0 0 5
Number of times of aging
3
 Sled motor aging mode (Press the PLAY button in the step 
1
.)
Display: 2 2 _ 0 0 0 0 5
Number of times of aging
5. Dynamic test
1
 (In case of the no disc mode, eject the tray.)
Display: 3 0 _ 0 0 0 0 0
2
 Tray load (Press the OPEN/CLOSE button in the step 
1
.)
Display: 3 0 _ 0 0 0 0 0
3
 Laser test mode (Press the STOP button in the step 
2
.)
Display: 3 1 _ 0 0 0 0 0 (Check the slide feed.)
4
 Step execution mode (Press the PAUSE button in the step 
2
.)
Display: 3 2 _ 0 0 0 0 0
5
 Continuous playback mode (Press the PLAY button in the step 
2
.)
Display: 3 3 _ 0 0 0 0 0
DX-SX1H
– 11 –
6. Laser test mode
1
 Enter the laser test mode from the dynamic test mode.
Display: 3 1 _ 0 0 0 0 0
2
 CD laser lit up (Press the STOP button in the step 
1
 or 
3
.)
Display: 3 1 1 0 0 0 0 0
3
 SACD laser lit up (Press the PAUSE button in the step 
1
 or 
2
.)
Display: 3 1 2 0 0 0 0 0
4
 Laser test mode completed (Press the PLAY button in the step 
1
, 
2
 or 
3
.)
Display: F 0 _ 0 0 0 0 0
7. Step test mode
1
 Enter the step test mode from the dynamic test mode.
Display: 3 2 _ 0 0 0 0 0
2
 Slide feed (Press the SKIP+ or - button to feed the slide by a given quantity.)
Display: 3 2 _ 1 0 0 0 0
3
 Next step (Press the PLAY button in the step 
2
.)
Display: 3 2 2 0 0 0 0 0
4
 Next step (Press the PLAY button in the step 
3
.)
Display: 3 2 3 0 0 0 0 0
5
 Next step (Press the PLAY button in the step 
4
.)
Display: 3 2 4 0 0 0 0 0
6
 Next step (Press the PLAY button in the step 
5
.)
Display: 3 2 5 0 0 0 0 0
7
 Next step (Press the PLAY button in the step 
6
.)
Display: 3 2 6 0 0 0 0 0
8
 Next step (Press the PLAY button in the step 
7
.)
Display: 3 2 7 0 0 0 0 0
9
 Next step (Press the PLAY button in the step 
8
.)
Display: F 1 1
 Automatic adjustment values are displayed.
8. Continuous playback test mode
1
 Enter the continuous playback test mode from the dynamic test mode.
Display: 3 3 _ 0 0 0 0 0
2
 Playback error (Press the PLAY button in the step 
1
.)
Display: 3 3 1 0 0 0 0 0
3
 Track jump (Press the                   in the step 
1
.)
Display: 3 1 _ 0 0 0 0 0
4
 Layer jump (Press the SCAD/CD button in the step 
1
.)
Display: 3 1 _ 0 0 0 0 0
F 1 1
Version information
F 1 2
Focus offset value
F 1 3
Track offset value
F 1 4
Zero-layer focus balance value
F 1 5
One-layer focus balance value
F 1 6
Track balance value
F 1 7
Zero-layer focus gain value
F 1 8
One-layer focus gain value
F 1 9
Track gain value
F 1 A
RF gain value
F 1 B
RF amplitude value
F 1 C
Inner circumference switch ID value
DX-SX1H
– 12 –
 Figure 12 BLOCK DIAGRAM (1/6)
10
17
15
3/3 
IC507
HC4053FS
ANALOG SWITCH
IC507
2 
4 
11
10
1 
2 
3 
4 
5 
6 
7 
8 
9 
4 
3 
2 
12
13
15
16
17
1 
29
27
23
26
19
9 
11
25
8 
22
SW52
STOP
SW51
PLAY
CNP502
CNP501
IC504
IX2842AF
SPINDLE
MOTOR
DRIVER
IC506  
BA6796FP
LOADING/FOCUS/TRACKING/
SPIN/SLED DRIVER
IC503
TB6504F
STEPPING
MOTOR
DRIVER
IC502 
IX1517GE
RF SIGNAL
PROCESSOR
10
4 
LDO2
SACD
APC
CD APC
A5V 
A5V 
IN-SW 
EJ-SW 
SPEED-SW
M
MDI2
45
5 
44
6 
LDO1
VrA 
MDI1
60
63
3 
35
2 
61
64
59
58
P2FN
PSC 
P2FP
P2FP
P2TP
P2CI
P2BI
P2AI
P2DI
SCD
SCL
SCB
VRCK
13
14
15
16
28
RFO 
EQB 
EQF 
42
43
15
2 
10
1
VRef
TEB
DPD1
DPD2
DFTN
FEO
TEO
RPO
RPZ
LVL
11
12
19
33
21
24
25
20
22
M
MECSW 
EJ-SW
LD-SW
MECSW2
LD-FWD
LD-RVS
IN-SW
DFCT
SEEK
CHOP
OFTRK
TE
LVL
FE
RFRP
SLING
SLIN
25
OPIN+
OPOUT
OPIN-
1
27
28
VREF
Vref
5
5
6
6
1
6
4
4
5
3
4
3
4
3
3
3
3
4
4
23
19
22
20
FO-IN
TR-ING
FO-ING
TR-IN
SS
ECR
5 
7 
4 
LD-CTL
6 
LD-RVS
MUTE
LD-FWD
LD- 
SL- 
LD+ 
SL+ 
14
10
13
11
VDD 
3
12
54
49
47
50
46
P1TP
VREF_IN
18
16
17
TR-
FO+
TR+
FG
12
GAIN2
GAIN0
SPIN-FG
GAIN1
DVD_L
27
25
28
24
21
22
A11
A21
A12
A31
A22
6
9
3
2
5
8
7
H2-
H3-
H1-
H1+
H2+
H3+
VH
VS
VS
PD
PD
LD
LD
U
V
W
H-
H1+
H1-
H2+
H2-
H3+
H3-
H-
VC
VA
VB
VD
VOSC
TR+
FO+
TR-
FO-
9
15
16
17
18
19
S/DUAL
GAIN1
GAIN2
f_OUT
c_OUT
a_OUT
d_OUT
e_OUT
b_OUT
TO MECHA
4
6
7
f_IN
c_IN
1
a_IN
d_IN
e_IN
55
P1FN
P1CI
53
P1AI
P1DI
52
P1FP
P1BI
VF
VE
VC
VA
8
IC501
TA1244FN
I/V CONVERTER
AMP.
TO PICK UP
P1TN
A32
FO-
5
M703
LOADING MOTOR
SLED MOTOR
24
Q503
Q504
Q501
Q502
Q506
Q505
Q507
Q601
Q602
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