Casio CD-311S Manual de usuario
(without price)
CD-311S
CD RADIO CASSETTE PLAYER
INDEX
Model-C: Europe
Model-E: Other Countries
Disassembly Instructions ................................................................................................................. 1
Reassembly of Tuning Pointer ......................................................................................................... 3
Block Diagrams ................................................................................................................................ 4
Tuner.......................................................................................................................................... 4
AMP, Tape, PS .......................................................................................................................... 5
CD.............................................................................................................................................. 6
Cassette Mechanism Electrical Adjustments ................................................................................... 7
CD Adjustment ................................................................................................................................. 9
CD Troubleshooting ....................................................................................................................... 11
PCB Views ..................................................................................................................................... 20
Tuner PCB Top View ............................................................................................................... 20
CD AMP/Door SW PCB Top View ........................................................................................... 21
VR PCB Top View.................................................................................................................... 22
PS PCD Top View.................................................................................................................... 23
Tape PCB Top View................................................................................................................. 24
LCD PCB Top View.................................................................................................................. 25
Wiring Diagram .............................................................................................................................. 26
IC Lead Identification and Internal Diagrams ................................................................................. 27
Schematic Diagrams ...................................................................................................................... 33
CD Mechanism ........................................................................................................................ 33
Tuner........................................................................................................................................ 34
AMP,PS.................................................................................................................................... 35
Tape......................................................................................................................................... 36
CD............................................................................................................................................ 37
Parts List ........................................................................................................................................ 38
Exploded Views.............................................................................................................................. 45
Cabinet..................................................................................................................................... 45
Cassette Mechanism ............................................................................................................... 46
Case Unit ................................................................................................................................. 47
Top Case Unit .......................................................................................................................... 48
CD Mechanism ........................................................................................................................ 49
CONTENTS
DISASSEMBLY INSTRUCTIONS
1. Remove the battery cover and batteries.
2. Remove six screws A holding case B ass’y(case B unit, PS unit).
Figure 1
3. Remove four screws B holding the case ass’y.
Case B Ass'y
Battery Cover
CD Door
Case Angle
Top Case Ass'y
Case Ass'y
Figure 2
1
Select Knob
Select Knob
Volume Knob Tuning Knob
LCD Unit
Tuner Unit
VR Unit CD
Mechanism
Set
CD AMP Unit
Top Case Unit
Figure 3
4. Pull out the two slect knobs, volume knob and tuning knob.
5. Remove four screws C holding the tuner unit.
6. Remove six screws D holding the CD AMP unit.
7. Remove five screws E holding the VR unit.
8. Remove three screws F holding the CD mechanism set.
9. Remove two screws G holding the LCD unit.
10. Remove three screws H holding the tape unit.
11. Remove four screws J holding the angle A and
cassette mechanism unit. Angle A
Tape Unit
Case Unit
Cassette mechanism Unit
Figure 4
2
REASSEMBLY OF TUNING POINTER
1. Turn the varicon unclockwise stop position.
2. Set the pointer ;mark position. (refer figure 6)
3. Set the varicon gear of figure 6 position.
4. Insert the tuner gear
Figure 6
3
Varicon Gear
Tuner Gear
Pointer
Mark Tuner Chassis
K
Figure 5
Varicon Gear
Pointer
Varicon
Tuner Gear
L
Tuner Chassis
BLOCK DIAGRAMS
Tuner
FM
AF
AM
AF
FM
IF
AM
IF
FM
RF
AM
OSC
FM
OSC PRE VCO Decode
SW
HYS
F.F
TUN
LED ST
LED FM
DET
AM/FM
SW
Level
DET
AM
DED
AGC
AM
MIX
FM
MIX
AM
RF In
FM
RF Out VCC1
FM
OSC AM
OSC DET
Out MPX In LPF1 LPF2 VCO
GND VCC R ch L ch
FM
RF In
GND1 FM MIX AM MIX AGC VCC2AM IF
In FM IF
In GND2 QUAD
31 2 4
To Amplifier Block
22 21 20 19 18 17 16 15 14 1324 23
D3
Bar
Antenna
L1 L5 L4 L3
SW1
BAND SW
AM
FM-
Stereo
FM-MONO
Rod
Antenna
L8
CF1 CF2
L9
FM Signal
AM Signal
L7
1 2 3 4 5 76 8 9 10 11 12
4
AMP, Tape, PS
L ch
R ch
REC L ch
REC R ch
Tape 9V
DC 9V
GND
BEAT
DC 9V
GND
AC 9V
T1
CD 9V
GND
L ch
R ch
L ch
R ch
REC L ch
REC R ch
TAPE 9V
DC 9V
GND
BEAT
SW101
REC/PLAY
IC101
PRE AMP
L101
OSC
TAPE BLOCK
SW501 Beat
Q620,
Q720
Q623,
Q723
AF MUTE
IC581
PW AMP
L ch
R ch
TU 9V
GND
CD 9V
TU 9V
Tape 9V
DC 9V
CD 9V
TU 9V
Tape 9V
DC 9V
AMP BLOCK
VR201 Volume
SW202
SW201
Function
PS BLOCK
To CD
Block
To Tuner
Block
AC
BATT
Speaker
Headphone
R/P Head
Audio Signal
Recording Signal
5
CD
CD Mechanism
Disc
Pickup
M
Disc
Motor
M
Sled
Motor
IC501
Signal Servo
Processor
Q501
Laser
Driver
IC503
Motor and Actuator
Driver IC502
Digital Signal
Processor
IC801
µµ
µµ
µ-COM
SW801~SW806
Control
Display
IC504
Audio
Filter AMP
X501
16.9 MHz
CD L ch
A-GND
CD R-ch
CD 9V
GND
Q501, Q511
D510
Regulator 5V
Q504, Q505
D504
Regulator 8V
Pset
SW
Door
SW
6
R/P Head
Adjust Screw
CASSETTE MECHANISM ELECTRICAL ADJUSTMENTS
General Remarks
*Before attempting to adjust the mechanism, wipe clean all tape-contacting surfaces (pinch roller, REC/PB
head, erase head, and capstan), as well as the contact surfaces of the driving parts (motor pulley, flywheel,
pulley, belt, and clutch assembly), with a piece of soft cloth moistened with denatured alcohol. Grease stains
may cause trouble.
*Never use a magnetized screwdriver for head adjustment.
Equipment Required
*Oscilloscope
*Frequency counter
*Screwdriver (Plastic type)
*Test tapes MTT-113C (TEAC) or TCC-111N (TEAC)
Head Azimuth Adjustment (Figures 7 and 8)
Step Setting Adjust Result
1Play the test tape 8 KHz
position. (MTT-113C) Azimuth screw
(Figure 8) Obtain the maximum amplitude.
(A: Maximum) (B: Minimum)
Figure 8
Figure 7
Note: Mode Switch is X-Y position.
Oscilloscope
A
B
Set J501
Headphone Jack
7
Tape Speed Adjustment (Figures 9 and 10)
Step Setting Adjust Result
1Playthe test tape.
(MTT-111N) Motor screw
(Figure 10) Frequency counter reading
should be 3000 Hz (2910~3090).
Figure 10
Furequency Counter
Figure 9
3000
Set J501
Headphone Jack
8
Motor
screw
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