DOWNLOAD Sharp CD-BA1700 (serv.man9) Service Manual ↓ Size: 737.32 KB | Pages: 13 in PDF or view online for FREE

Model
CD-BA1700 (serv.man9)
Pages
13
Size
737.32 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Part 4 - Voltage table, Troubleshooting tables, IC tables
File
cd-ba1700-sm9.pdf
Date
PREV: Sharp CD-BA1700 (serv.man8) Service Manual

Sharp CD-BA1700 (serv.man9) Service Manual ▷ View online

CD-BA160H/1700H
– 38 –
VOLTAGE
0V(0V)
PIN  
NO.  VOLTAGE 
7 
8 
FE301 
1 
2 
3 
4 
5 
6 
0V(0V)
0V(0V)
2.6V(0V)
2V(1.1V)
0V(0V)
0V(0V)
8.5V(0V)
2.6V
6 
5 
4 
3 
2 
1 
ICT21 
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9 
8 
7 
VOLTAGE 
NO.  
PIN  
2.59V 
5.2V
0V
2.72V 
2.55V 
0V
0V
0V
0V
0V
2.66V 
2.56V 
5.21V 
0V
0V
0V
1.4V
1.7V
4.6V
4.3V
0V
0V
0V
10V 
5V
19
20
21
22
23
24
5V
5V
5V
0V
0V
0V
0V
-11.0 
0V
0V
0V
6 
5 
4 
3 
2 
1 
IC703 
8 
7 
VOLTAGE 
NO.  
PIN  
5.58V 
5.58V 
PIN  
NO.  VOLTAGE 
7 
8 
IC702 
1 
2 
3 
4 
5 
6 
0V
0V
0V
-11.0 
0V
0V
0V
5.76V 
0V
19.4V 
VOLTAGE 
3 
2 
1 
IC852 
NO.  
PIN  
-25.7V
-25.7V
-25.7V
-25.7V
-25.7V
-25.7V
-25.7V
-25.7V
PIN  
NO.  
0V
IC704 
1 
2 
3 
VOLTAGE 
5.0V
5.0V
10.0V 
10.0V 
VOLTAGE 
3 
2 
1 
Q831
19.41V
NO.  
PIN  
10V 
19.41V
VOLTAGE 
3 
2 
1 
IC841 
0V
NO.  
PIN  
PIN  
NO.  
IC851 
1 
2 
3 
VOLTAGE 
19.4V 
0V
5V
4.29V 
-27.7V
-24.4V
-27.7V
-25.9V
-22.1V
-27.7V
-27.7V
-27.7V
0V
-27.7V
-27.8V
0V
4.29V 
4.29V 
4.29V 
4.29V 
4.29V 
80
79
78
56
55
54
53
52
51
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
VOLTAGE 
NO.  
PIN  
0V
-27.8V
0V
88
89
90
91
92
93
94
95
96
97
-20.4V
-24.1V
-25.9V
-27.7V
-27.7V
-22.2V
-22.2V
-22.3V
-27.8V
81
82
83
84
85
86
87
98
99
100 
-27.7V
-27.7V
-20.3V
-24.0V
-20.3V
2.38
2.58V 
-25.8V
-25.8V
-25.7V
-25.7V
-25.7V
5V
0V
4.44V 
0V
0V
0V
0V
1.4V
0V
2.06V 
0V
4.84V 
5V
5V
0V
5V
0V
5V
30
29
28
6 
5 
4 
3 
2 
1 
IC701 
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9 
8 
7 
VOLTAGE 
NO.  
PIN  
1.2V
0.87V 
2.38V 
38
39
40
41
42
43
44
45
46
47
2.3V
0V
0V
4.89V 
4.8V
0.3V
0V
0V
0V
31
32
33
34
35
36
37
48
49
50
5.1V
5.1V
5.1V
4.9V
5.0V
4.9V
4.9V
0V
5V
0V
1.7V
8.0V
7.9V
8.0V
3.8V
4.89V 
4.89V 
4.89V 
4.29V 
4.29V 
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
0V
0V
0V
6 
5 
4 
3 
2 
1 
IC401 
18
17
16
15
14
13
12
11
10
9 
8 
7 
VOLTAGE 
NO.  
PIN  
5V
5V
5V
5V
5V
-32.9V
0V
0V
-34.0V
0V
0V
0V
0V
34.4V 
0V
0V
0V
6 
5 
4 
3 
2 
1 
IC901 
15
14
13
12
11
10
9 
8 
7 
VOLTAGE 
NO.  
PIN  
35.4V 
-35.4V
0V
4.5V(4.8V)
2.1V(2.1V)
6 
5 
4 
3 
2 
1 
IC303 
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9 
8 
7 
VOLTAGE 
NO.  
PIN  
3.9V(0V)
3.3V(1.8V)
3.3V(1.1V)
3.5V(2.0V)
1.2V(1.2V)
1.2V(1.2V)
2.0V(2.0V)
2.7V(0V)
2.1V(0.9V)
0V(1.9V)
0.3V(0.9V)
2.1V(2.1V)
2.1V(2.1V)
0V(0V)
4.6V(4.9V)
4.6V(4.9V)
2.4V(3.2V)
4.5V(4.8V)
2.6V(2.0V)
2.6V(2.0V)
4.5V(4.8V)
3.0V(3.3V)
0V(0V)
2.4V(2.4V)
6 
5 
4 
3 
2 
1 
IC302 
22
21
20
19
18
17
16
15
14
13
12
11
10
9 
8 
7 
VOLTAGE 
NO.  
PIN  
3.4V(0V)
4.6V(4.9V)
2.2V(0V)
4.6V(4.9V)
0V(0V)
0V(2.4V)
2.3V(0V)
4.6V(4.9V)
0.8V(4.9V)
0.8V(4.9V)
1.1V(0V)
0V(0V)
0V(0V)
4.6V(4.7V)
4.8V(4.9V)
0.1V(9.9V)
4.2V(0V)
3.3V(0V)
0V(0V)
2.5V(3.0V)
1.5V(0V)
0.8V(0V)
6 
5 
4 
3 
2 
1 
IC301 
9 
8 
7 
VOLTAGE 
NO.  
PIN  
3.6V(0.4V)
1.5V(0V)
0V(0V)
3.6V(0.4V)
2.8V(0.2V)
3.5V(0.3V)
3.6V(0.3V)
0V(0V)
0V(0V)
0.5V(0.5V)
1.9V(1.9V)
0V(0V)
0V(0V)
0V(0V)
0.6V(0.6V)
3.3V(3.3V)
0V(0V)
4.0V(4.0V)
6.7V(6.7V)
0V(0V)
0V(0V)
3.3V(3.3V)
3.3V(3.3V)
0.6V(0.6V)
0V(0V)
0V(0V)
0V(0V)
1.9V(1.9V)
0.5V(0.5V)
0V(0V)
PIN  
NO.  VOLTAGE 
7 
8 
9 
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
IC101 
1 
2 
3 
4 
5 
6 
0V(0V)
0V
0V
0V
0V
0V
0V
0V
0V
0V
2.1V
4.9V
0V
0V
1.6V
4.9V
2.1V
0V
0V
2.1V
2.1V
2.1V
1.8V
1.6V
1.6V
30
29
28
6 
5 
4 
3 
2 
1 
IC3 
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9 
8 
7 
VOLTAGE 
NO.  
PIN  
0V
38
39
40
41
42
3.5V
4.9V
1.6V
2.1V
1.6V
2.1V
2.1V
1.9V
0V
31
32
33
34
35
36
37
0V
4.2V
0V
2.1V
2.1V
4.9V
2.1V
2.1V
0V
0V
3.4V
3.2V
0V
0V
4.9V
0V
4.6V
4.9V
4.9V
4.8V
0V
0V
0V
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
2.4V
0V
0V
1.6V
3.0V
0V
3.3V
1.7V
0V
0V
0V
0V
3.0V
1.8V
3.3V
3.0V
1.5V
0V
0V
1.5V
3.0V
3.3V
3.3V
0V
0V
1.6V
1.6V
3.3V
3.3V
3.3V
3.5V
3.3V
0V
2.1V
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
0V
0V
1.6V
1.6V
1.6V
1.6V
0V
1.6V
1.6V
4.7V
1.6V
0V
3.3V
PIN  
NO.  VOLTAGE 
7 
8 
9 
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
IC2 
1 
2 
3 
4 
5 
6 
28
29
30
0.7V
0V
0V
0V
2.4V
0V
0V
1.6V
1.7V
0V
1.6V
3.3V
1.6V
1.6V
1.6V
1.6V
2.1V
3.3V
1.6V
1.6V
0V
0V
0V
1.6V
0V
1.6V
1.6V
1.6V
1.6V
1.6V
0V
0V
1.6V
1.6V
1.6V
3.3V
0V
0V
0V
2.6V
0V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
VOLTAGE 
NO.  
PIN  
IC1 
– 39 –
CD-BA160H/1700H
WAVEFORMS OF CD CIRCUIT
T
FDO
TDO
Stopped
CH1=500mV
DC   10:1
CH3=500mV
DC   10:1
500ms/div
(500ms/div)
NORM:20kS/s
1
3
=Record Length=
Smoothing :   ON
CH1  :      0.000V
CH2  :          0.0V
Main  :      100K
Zoom  :         2K
Mode  :   AUTO
Type   :   EDGE CH1
Delay  :                   0.0ns
Hold off  :                0.2us
CH3  :      0.000V
CH4  :        0.00V
BW   : FULL
=Trigger=
=Filter=
=Offset=
CH1
  v/DIV
  500mV
1
IC2  24
2
IC2  23
FD
TDO
T
FDO
DRF
TE
Stopped
CH1=500mV
DC   10:1
CH2=10V
DC   10:1
CH3=1V
DC   10:1
500ms/div
(500ms/div)
NORM:20kS/s
1
2
3
=Record Length=
Smoothing :   ON
CH1  :      0.000V
CH2  :          0.0V
Main  :      100K
Zoom  :         2K
Mode  :   AUTO
Type   :   EDGE CH1
Delay  :                   0.0ns
Hold off  :                0.2us
CH3  :        0.00V
CH4  :        0.00V
BW   : FULL
=Trigger=
=Filter=
=Offset=
-3div
-1div
0div
+1div
+3div
CH  Position  To
CH2
  Position
  0.20div
1
IC2  24
3
IC2  72
4
FD
DEF
IC1  18
TE
IC2  19
TE-
Vp-p=1.0V~1.3V
0.5mV/div,0.5
µ
sec/div
5
IC1  27
RF
T
T
TE
DRF
Stopped
CH1=10V
DC   10:1
CH2=1V
DC   10:1
100ms/div
(100ms/div)
NORM:100kS/s
2
1
=Record Length=
Smoothing :   ON
CH1  :           0.0V
CH2  :         0.00V
Main  :      100K
Zoom  :         2K
Mode  :   NORMAL
Type   :   EDGE CH1
Delay  :               2.924ms
Hold off  :                0.2us
CH3  :         0.00V
CH4  :         0.00V
BW   : FULL
=Trigger=
=Filter=
=Offset=
3
IC2  72
4
DEF
IC1  18
TE
IC2  19
TE-
T
T
FDO
SPDO
Stopped
CH1=200mV
DC   10:1
CH2=500mV
DC   10:1
500ms/div
1999/04/07  09:51:15
(500ms/div)
NORM:20kS/s
2
1
=Record Length=
Smoothing :   ON
CH1  :      0.000V
CH2  :      0.000V
Main  :      100K
Zoom  :         2K
Mode  :   NORMAL
Type   :   EDGE CH2
Delay  :               2.924ms
Hold off  :                0.2us
CH3  :        0.00V
CH4  :        0.00V
BW   : FULL
=Trigger=
=Filter=
=Offset=
1
IC2  24
6
IC2  25
FD
SPDO
T
FDO
PDO2
PDO1
Stopped
CH1=500mV
DC   10:1
CH3=1V
DC   10:1
CH4=1V
DC   10:1
500ms/div
(500ms/div)
NORM:20kS/s
1
4
3
=Record Length=
Smoothing :   ON
CH1  :      0.000V
CH2  :          0.0V
Main  :      100K
Zoom  :         2K
Mode  :   AUTO
Type   :   EDGE CH2
Delay  :                    0.0ns
Hold off  :                0.2us
CH3  :        0.00V
CH4  :        0.00V
BW   : FULL
=Trigger=
=Filter=
=Offset=
CH1
  v/DIV
  500mV
1999/04/05  17:33:17
1
IC2  24
7
IC2   1
8
IC2   2
PDO1
PDO2
FD
T
T
DOUT
Stopped
CH1=2V
DC   10:1
500ns/div
1999/04/07  09:25:28
(500ns/div)
NORM:200MS/s
1
=Record Length=
Smoothing :   ON
CH1  :        0.00V
CH2  :        0.00V
Main  :         1K
Zoom  :      100
Mode  :   NORMAL
Type   :   EDGE CH1
Delay  :               2.887ms
Hold off  :                0.2us
CH3  :        0.00V
CH4  :        0.00V
BW   : FULL
=Trigger=
=Filter=
=Offset=
9
IC2  37
DOUT
T
T
DATA
DATACK
LRSY
Stopped
CH1=2V
DC   10:1
CH2=2V
DC   10:1
CH3=2V
DC   10:1
5us/div
(5us/div)
NORM:100kS/s
1
2
3
=Record Length=
Smoothing :   ON
CH1  :        0.00V
CH2  :        0.00V
Main  :        5K
Zoom  :     100
Mode  :   AUTO
Type   :   EDGE CH3
Delay  :                    0.0ns
Hold off  :                0.2us
CH3  :        0.00V
CH4  :        0.00V
BW   : FULL
=Trigger=
=Filter=
=Offset=
CH3
  v/DIV
       2 V
1999/04/05  20:50:17
10
IC2  57
IC2  58
IC2  59
11
12
LRSY
DATACK
DATA
T
T
EFBL
FDO
TE
Stopped
CH1=500mV
DC   10:1
CH2=200mV
DC   10:1
CH3=1V
DC   10:1
500ms/div
(500ms/div)
NORM:20kS/s
1
2
3
=Record Length=
Smoothing :   ON
CH1  :      0.000V
CH2  :      0.000V
Main  :     100K
Zoom  :       2k
Mode  :   SINGLE
Type   :   EDGE CH1
Delay  :                    0.0ns
Hold off  :                0.2us
CH3  :        0.00V
CH4  :        0.00V
BW   : FULL
=Trigger=
=Filter=
=Offset=
CH2
  v/DIV
   200mV
1999/04/05  20:26:47
1
IC2  24
4
13
FD
IC1  18
TE
IC2  19
TE-
IC1  13
EFBL
IC2  22
TBLO
CD-BA160H/1700H
– 40 –
Parts code
1.
CD optical pickup Lens cleaner disc
UDSKA0004AFZZ
TROUBLE SHOOTING
When the CD does not function
When the CD section does not operate when the objective lens of the optical pickup is dirty, this section may not operate. Clean
the objective lens, and check the playback operation. When this section does not operate even after the above step is taken, check
the following items.
Remove the cabinet and follow the trouble shooting instructions.
"Track skipping and/or no TOC (Table Of Contents) may be caused by build up of dust other foreign matter on the laser pickup
lens. Before attempting any adjustment make certain that the lens is clean. If not, clean it as mentioned below."
Turn the power off.
Gently clean the lens with a lens cleaning tissue and a small amount of isopropyl alcohol.
Do not touch the lens with the bare hand.
HOW TO USE
CAUTION
Cleaner Fluid
Cleaner disc
Using the brush in the cleaner cap, apply 1 or 2 drops of the cleaning fluid to the 
brush on the CD cleaner disc which has the mark next to it.
Place the CD cleaner disc onto the CD disc tray with the brush side down,then 
press the play button.
You will hear music for about 20 seconds and the CD player will automatically stop. 
If it continuous to tum, press the stop button.
1.
2.
3.
The CD lens cleaner should be effective for 30-50 operations, however if the 
brushes become worn out earlier then please the cleaner disc.
If the CD cleaner brushes become very wet then wipe off any excess fluid with a soft 
cloth.
Do not drink the cleaner fluid or allow it to come in contact with the eyes. In the 
event of this happening then drink and / or rines with clean water and seek medical 
advice.
The CD cleaner disk must not be used on car CD players or on computer CD ROM 
drives.
All rights reserved.Unauthorized duplicating, broadcasting and renting this product is 
(1) Check the power to IC2 (LC78641E), the presence of the clock signal (16.93 MHz) and the status of the RESET terminal
     (pin 71 on IC2).
(2) Did the pickup move to the PICKUP-IN Switch (SW4) position?
If (1) and (2)  are OK, check the system microcomputer (especially the communication line with the DSP).
2. Pressing the CD operation key is accepted, but playback does not occur.
(1) Focus-HF system check
(2) Tracking system check
(3) Spin system check
(4) PLL system check
(5) Others
1. "E-CD01" is displayed.
When a CD cannot be played
– 41 –
CD-BA160H/1700H
If the level is not normal, check around pins 27~29 on IC1.
1. Is focus servo activated? (Waveform drawing 41-2)
 Pins 1~11 on IC1
Check the laser diode driver Q3 peripheral circuit.
Focus error circuit (pins 20 and 21 on IC1)
When a disc is loaded, start playback operation.
2. Does DRF change from "L" to "H"?
Is the disc rotating?
3. Is the HF waveform normal?  (Waveform drawing 41-3)
Check the spin system.
If the disc is spinning and a HF waveform is generated,
DRF will go H.
Figure 41-1
Check the laser diode driver Q3 peripheral circuit.
(1) Focus-HF system check
Although a CD is inserted and the cover is closed, "NO
DISC" is displayed.
1. Did the pickup move to the PICKUP-IN Switch (SW4)
position?
Sled motor (M2)
Press the OPEN/CLOSE switch (SW1) without inserting a
disc, and try starting the playback operation.
2. Does the focus (lens) move up and down?
    (Waveform drawing 41-1).
Check the focus peripheral circuit.
3. Is the laser lit?
Spindle motor (M1).
4. Is the turntable rotating?
Figure 41-2
Figure 41-3
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
Yes
No
T
FDO
TDO
Stopped
CH1=500mV
DC   10:1
CH3=500mV
DC   10:1
500ms/div
(500ms/div)
NORM:20kS/s
1
3
=Record Length=
Smoothing :   ON
CH1  :      0.000V
CH2  :          0.0V
Main  :      100K
Zoom  :         2K
Mode  :   AUTO
Type   :   EDGE CH1
Delay  :                   0.0ns
Hold off  :                0.2us
CH3  :      0.000V
CH4  :        0.00V
BW   : FULL
=Trigger=
=Filter=
=Offset=
CH1
  v/DIV
  500mV
T
FDO
DRF
TE
Stopped
CH1=500mV
DC   10:1
CH2=10V
DC   10:1
CH3=1V
DC   10:1
500ms/div
(500ms/div)
NORM:20kS/s
1
2
3
=Record Length=
Smoothing :   ON
CH1  :      0.000V
CH2  :          0.0V
Main  :      100K
Zoom  :         2K
Mode  :   AUTO
Type   :   EDGE CH1
Delay  :                   0.0ns
Hold off  :                0.2us
CH3  :        0.00V
CH4  :        0.00V
BW   : FULL
=Trigger=
=Filter=
=Offset=
-3div
-1div
0div
+1div
+3div
CH  Position  To
CH2
  Position
  0.20div
Vp-p=1.0V~1.3V
0.5mV/div,0.5
µ
sec/div
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  • Here you can View online or download the Service Manual for the Sharp CD-BA1700 (serv.man9) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp CD-BA1700 (serv.man9) System. Information contained in Sharp CD-BA1700 (serv.man9) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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CD-BA1700 (serv.man9) Service Manuals

Preview DownloadPagesSize
CD-BA1700 (serv.man10) Including circuit diagrams Service Manual 64 3.48 MB
CD-BA1700 (serv.man8) Part 3 - Printed wiring board assemblies Service Manual 4 617.29 KB
CD-BA1700 (serv.man5) Video clip detailing how to re-install the 3 CD changer mechanism Service Manual 4.04 MB
CD-BA1700 (serv.man6) Part 1 - text Service Manual 19 788.24 KB
CD-BA1700 (serv.man7) Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams Service Manual 14 992.77 KB
CD-BA1700 (serv.man2) Quick Start Guide User Manual / Operation Manual 4 156.33 KB
CD-BA1700 User Manual / Operation Manual 36 1.2 MB
CD-BA1700 (serv.man3) part (from ) User Manual / Operation Manual 3 218.13 KB
CD-BA1700 (serv.man4) Service Manual / Parts Guide 14 385.67 KB
CD-BA1700 (serv.man11) Service Manual / Specification 1 14.5 KB
CD-BA1700 (serv.man25) Tape errors due to low surge supply to the mechanism. Service Manual / Technical Bulletin 1 79.44 KB
CD-BA1700 (serv.man24) Part number for CD servo PWB omitted from . Service Manual / Technical Bulletin 1 66.59 KB
CD-BA1700 (serv.man23) Correction to printing error in (Belt). Service Manual / Technical Bulletin 1 66.4 KB
CD-BA1700 (serv.man22) Part setting for separate items in cassette mechansim. Service Manual / Technical Bulletin 1 69.32 KB
CD-BA1700 (serv.man21) Fly wheels assigned as service parts. Service Manual / Technical Bulletin 1 66.95 KB
CD-BA1700 (serv.man20) Correction to the (amplifier panel). Service Manual / Technical Bulletin 1 67.29 KB
CD-BA1700 (serv.man19) Change of power IC (IC901) Service Manual / Technical Bulletin 1 50.71 KB
CD-BA1700 (serv.man18) Addition of screws to CD player to prevent seizure Service Manual / Technical Bulletin 2 81.8 KB
CD-BA1700 (serv.man17) Parts assigned as service parts Service Manual / Technical Bulletin 1 41.4 KB
CD-BA1700 (serv.man16) Correction to the (crystal 4.19MHz and 16.9344MHz) Service Manual / Technical Bulletin 1 38.15 KB
CD-BA1700 (serv.man15) Tape errors appear on the display due to various reasons Service Manual / Technical Bulletin 3 159.72 KB
CD-BA1700 (serv.man14) 3 CD changer servicing guidelines Service Manual / Technical Bulletin 4 2.02 MB
CD-BA1700 (serv.man13) Noise from speakers at high volume levels Service Manual / Technical Bulletin 2 59.08 KB
CD-BA1700 (serv.man12) Tape deck Service Manual / Technical Bulletin 2 25.51 KB

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