Aiwa Z8RDLC User manual

CD MECHANISM
AZG-1
S/M Code No. 09-001-335-3N4
SERVICE MANUAL
DATA
English
TYPE
Z8RDLC
YZ8RDLM
Z8RDLM
Z8RDLC1
Z8RDM
YZ8RDM
Z8RDC
Z8RDC1
BASIC CD MECHANISM:KSM-880CAB

2
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
VAROITUS!
Laiteen Käyttäminen muulla kuin tässä käyttöohjeessa mainit-
ulla tavalla saattaa altistaa käyt-täjän turvallisuusluokan 1 ylit-
tävälle näkymättömälle lasersäteilylle.
VARNING!
Om apparaten används på annat sätt än vad som specificeras i
denna bruksanvising, kan användaren utsättas för osynling
laserstrålning, som överskrider gränsen för laserklass 1.
Caution: Invisible laser radiation when
open and interlocks defeated avoid expo-
sure to beam.
Advarsel:Usynling laserståling ved åbning,
når sikkerhedsafbrydere er ude af funktion.
Undgå udsættelse for stråling.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
ATTENTION
L'utilisation de commandes, réglages ou procédures autres que
ceux spécifiés peut entraîner une dangereuse exposition aux
radiations.
ADVARSEL!
Usynlig laserståling ved åbning, når sikkerhedsafbrydereer ude
af funktion. Undgå udsættelse for stråling.
This Compact Disc player is classified as a CLASS 1 LASER
product.
The CLASS 1 LASER PRODUCT label is located on the rear
exterior.
This set employs laser. Therefore, be sure to follow carefully the
instructions below when servicing.
WARNING!
WHEN SERVICING, DO NOT APPROACH THE LASER EXIT
WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO
CONFIRM LASER BEAM EMISSION. BE SURE TO OBSERVE
FROM A DISTANCE OF MORE THAN 30cm FROM THE
SURFACE OF THE OBJECTIVE LENS ON THE OPTICAL
PICK-UP BLOCK.
CLASS 1
KLASSE 1
LUOKAN 1
KLASS 1
LASER PRODUCT
LASER PRODUKT
LASER LAITE
LASER APPARAT
Precaution to replace Optical block
1) After the connection, remove solder shown in
the figure below.
Body or clothes electrostatic potential could ruin
laser diode in the optical block. Be sure ground
body and workbench, and use care the clothes
do not touch the diode.
Solder

3
How to Adjust the Rotating Phase of the
Gear, Main Cam
1) Push down the hooking catch of the CHAS. MECH, and
remove the TRAY.
2) Align the arrow mark of the Gear, Main Cam with the black
round mark of the CHAS, MECHA as shown below.
3) Confirm that the Slide, Mech Cam is located in the right
position, then insert the TRAY gently.
Caution: If the rotating phase of the Gear, Main Cam is
incorrectly adjusted, the chucking operation and
tray movement will have malfunction.
Align the arrow 2mark with the black
round • mark.

4
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
IC
87-A20-446-010 C-IC,LA9241ML
87-A21-319-010 C-IC,LC78622NE
87-A20-445-010 IC,BA5936
TRANSISTOR
87-026-609-080 TR,KTA1266GR
87-026-295-080 TR,DTC144TK
87-A30-087-080 C-FET,2SK2158
87-026-237-080 CHIP-TR,DTC124XK
87-A30-076-080 C-TR,2SC3052F
87-A30-075-080 C-TR,2SA1235F
DIODE
87-020-465-080 DIODE,1SS133 (110MA)
87-020-331-080 CHIP-DIODE,DAN202K
87-A40-337-080 ZENER,MTZJ 6.8B
87-A40-313-080 C-DIODE,MC 2840
87-A40-620-080 ZENER,MTZJ6.2A
3CD C.B
C11 87-012-393-080 C-CAP,S 0.22-16 R K
C12 87-012-157-080 C-CAP,S 330P-50 CH
C13 87-016-369-080 C-CAP,S 0.033-25 B K
C14 87-A10-201-080 C-CAP,S0.33-16 KB
C15 87-010-213-080 C-CAP,S 0.015-50 B
<Z8RDC,Z8RDC1,Z8RDM,YZ8RDM>
C16 87-010-992-080 C-CAP,S 0.047-25 B
<Z8RDC,Z8RDC1,Z8RDM,YZ8RDM>
C16 87-016-083-080 C-CAP,S 0.15-16 RK
<Z8RDLM,Z8RDLC,Z8RDLC1,YZ8RDLM>
C17 87-010-184-080 CHIP CAPACITOR 3300P(K)
C18 87-A11-177-080 C-CAP,S 0.15-16 K B
C19 87-010-992-080 C-CAP,S 0.047-25 B
C20 87-010-178-080 CHIP CAP 1000P
C21 87-012-393-080 C-CAP,S 0.22-16 R K
C22 87-016-083-080 C-CAP,S 0.15-16 RK
C23 87-010-197-080 CAP, CHIP 0.01 DM
C24 87-010-186-080 CAP,CHIP 4700P
C25 87-010-400-040 CAP,E 0.47-50
C26 87-010-322-080 C-CAP,S 100P-50 CH
C27 87-010-382-040 CAP,E 22-25 SME
C28 87-010-545-040 CAP,E 0.22-50 SME
C29 87-010-184-080 CHIP CAPACITOR 3300P(K)
C31 87-010-186-080 CAP,CHIP 4700P
C32 87-010-315-080 C-CAP,S 27P-50 CH
C33 87-016-081-080 C-CAP,S 0.1-16 RK
C35 87-010-196-080 CHIP CAPACITOR,0.1-25
C37 87-010-405-080 CAP, ELECT 10-50V
C38 87-010-263-080 CAP, ELECT 100-10V
C39 87-010-197-080 CAP, CHIP 0.01 DM
C40 87-010-401-080 CAP, ELECT 1-50V
C41 87-016-081-080 C-CAP,S 0.1-16 RK
C42 87-010-263-080 CAP, ELECT 100-10V
C43 87-010-197-080 CAP, CHIP 0.01 DM
C44 87-010-263-080 CAP, ELECT 100-10V
C46 87-010-196-080 CHIP CAPACITOR,0.1-25
C47 87-010-260-080 CAP, ELECT 47-25V
C48 87-010-196-080 CHIP CAPACITOR,0.1-25
C49 87-010-404-080 CAP, ELECT 4.7-50V
C50 87-010-197-080 CAP, CHIP 0.01 DM
C51 87-010-263-040 CAP,E 100-10
C52 87-012-156-080 C-CAP,S 220P-50 CH
C71 87-012-393-080 C-CAP,S 0.22-16 R K
C101 87-016-369-080 C-CAP,S 0.033-25 B K
C102 87-016-081-080 C-CAP,S 0.1-16 RK
C103 87-010-318-080 C-CAP,S 47P-50 CH
C104 87-012-154-080 C-CAP,S 150P-50 CH
C105 87-010-196-080 CHIP CAPACITOR,0.1-25
C109 87-010-197-080 CAP, CHIP 0.01 DM
C111 87-010-312-080 C-CAP,S 15P-50 CH
C112 87-010-154-080 CAP CHIP 10P
C113 87-010-178-080 CHIP CAP 1000P
C115 87-010-404-080 CAP, ELECT 4.7-50V
C116 87-010-196-080 CHIP CAPACITOR,0.1-25
C117 87-010-263-040 CAP,E 100-10
C118 87-010-178-080 CHIP CAP 1000P
C121 87-010-403-080 CAP, ELECT 3.3-50V
C122 87-010-403-080 CAP, ELECT 3.3-50V
C123 87-010-180-080 C-CER 1500P
C124 87-010-180-080 C-CER 1500P
C132 87-010-196-080 CHIP CAPACITOR,0.1-25
C135 87-010-314-080 C-CAP,S 22P-50V
C191 87-010-263-040 CAP,E 100-10
C192 87-010-178-080 CHIP CAP 1000P
C192 87-010-178-080 CHIP CAP 1000P
C193 87-010-196-080 CHIP CAPACITOR,0.1-25
C201 87-010-196-080 CHIP CAPACITOR,0.1-25
C204 87-010-196-080 CHIP CAPACITOR,0.1-25
C205 87-010-196-080 CHIP CAPACITOR,0.1-25
C206 87-010-196-080 CHIP CAPACITOR,0.1-25
C207 87-010-196-080 CHIP CAPACITOR,0.1-25
C208 87-010-196-080 CHIP CAPACITOR,0.1-25
C211 87-010-405-040 CAP,E 10-50
C212 87-010-405-040 CAP,E 10-50
C213 87-010-196-080 CHIP CAPACITOR,0.1-25
C251 87-010-322-080 C-CAP,S 100P-50 CH
C252 87-010-322-080 C-CAP,S 100P-50 CH
C253 87-010-322-080 C-CAP,S 100P-50 CH
C281 87-010-382-040 CAP,E 22-25 SME
C401 87-A10-730-080 CAP,E 1000-16 SMG
C402 87-010-197-080 CAP, CHIP 0.01 DM
C403 87-010-196-080 CHIP CAPACITOR,0.1-25
C404 87-010-260-040 CAP,E 47-25 SME
C405 87-010-382-080 CAP, ELECT 22-25V
C421 87-010-382-080 CAP, ELECT 22-25V
C422 87-010-196-080 CHIP CAPACITOR,0.1-25
C901 87-010-260-080 CAP, ELECT 47-25V
C902 87-010-196-080 CHIP CAPACITOR,0.1-25
CN1 87-A60-429-010 CONN,16P H TOC-A
CN2 87-099-199-010 CONN,6P 6216 H
CN201 87-099-030-010 CONN,13P 6216H
CN203 87-099-212-010 CONN,5P 6216 V
CN204 84-ZG1-648-010 CONN ASSY,6P
<Z8RDLM,YZ8RDLM,Z8RDM,YZ8RDM>
CN204 84-ZG1-675-010 CONN ASSY,6P (GETA)
<Z8RDC,Z8RDC1,Z8RDLC,Z8RDLC1>
L11 87-005-849-080 COIL,10UH(CECS)
L101 87-005-614-080 COIL 100UH LAV35 J
L102 87-005-602-080 COIL,10UH LAV35 J
LED901 87-A40-558-010 LED,SLZ-8128A-01-A
M201 87-045-383-010 MOT,M9I50T28-2
<Z8RDC,Z8RDC1,Z8RDLC,Z8RDLC1>
M201 87-045-305-010 MOTOR, RF-500TB DC-5V (2MA)
<Z8RDLM,YZ8RDLM,Z8RDM,YZ8RDM>
SFR101 87-A90-787-080 SFR,100K H HOKU
SW201 87-036-109-010 PUSH SWITCH
SW202 87-036-109-010 PUSH SWITCH
X101 87-A70-046-010 VIB,XTAL 16.934MHZ
LED C.B
LED301 87-A40-263-080 LED,SLH-56PCT31 GRN
<Z8RDC,Z8RDC1,Z8RDM,YZ8RDM>
LED302 87-A40-268-080 LED,SLH-56DCT31 ORN
LED303 87-A40-268-080 LED,SLH-56DCT31 ORN
<Z8RDC,Z8RDC1,Z8RDM,YZ8RDM>
LED303 87-A40-263-080 LED,SLH-56PCT31 GRN
<Z8RDLM,Z8RDLC,Z8RDLC1,YZ8RDLM>

5
REF. NO PART NO. KANRI DESCRIPTION
NO.
TRANSISTOR ILLUSTRATION
LED304 87-A40-263-080 LED,SLH-56PCT31 GRN
<Z8RDC,Z8RDC1,Z8RDM,YZ8RDM>
T-T C.B
C401 87-A11-148-080 CAP,TC U 0.1-50 Z F
CON401 86-NFZ-675-010 CONN,5P H 6216-11H
M401 87-045-364-010 MOTOR(BCH3B14)
PS401 87-026-573-010 SNSR,PHOTO GP1S53V
MOTOR C.B
PIN3 91-564-722-110 CONN,PIN 6P
SW1 91-572-085-110 LEAF SWITCH
• Regarding connectors, they are not stocked as they are not the initial order items.
The connectors are available after they are supplied from connector manufacturers upon the order is received.
88
A
Resistor Code
Chip Resistor Part Coding
Figure
Value of resistor
Chip resistor
Wattage Type Tolerance
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
CJ
CJ
CJ
Form LW t
1.6 0.8 0.45
2 1.25 0.45
3.2 1.6
108
118
128
: A
: A
CHIP RESISTOR PART CODE
0.55
Resistor Code
Dimensions (mm)
Symbol
1/16W 1005 5% CJ 1.0 0.5 0.35 104
Lt
W
GS
D
BEECB
C
2SK2158
2SA1235F
2SC3052F
DTC124XK
DTC144TK
KTA1266GR

6
WAVE FORM
1IC11 Pin =(RFSH) VOLT/DIV: 0.5V
TIME/DIV: 1µS
MAX
2.0±0.1 Vp-p
0 V
EYE PATTERN
must be CLEAR and MAX
2IC11 Pin ^(FD) VOLT/DIV: 100mV
TIME/DIV: 1mS
VREF
3IC11 Pin %(TO) VOLT/DIV: 100mV
TIME/DIV: 1mS
VREF
4IC11 Pin ≥(SPD) VOLT/DIV: 100mV
TIME/DIV: 1mS
VREF
5IC11 Pin ª(SLD) VOLT/DIV: 200mV
TIME/DIV: 2S
VREF
IC, BA5936S
IC BLOCK DIAGRAM

87
BLOCK DIAGRAM
DM/YZ8RDM/DC/DC1

12345678910 11 12 13 14
A
B
C
D
E
F
G
H
I
J
K
109
WIRING
DM/YZ8RDM/
DC/DC1

1211
SCHEMATIC DIAGRAM
LED301, 304 SLH-56PCT31 (GRN)
DM/YZ8RDM/
DC/DC1 YZ8RDLM/DLM/ DLC/DLC1
LED302 SLH-56DCT31 (ORN)
LED303 SLH-56PCT31 (GRN)
LED303 SLH-56DCT31 (ORN)
R303 150
*
*
:
C16 0.047 0.15
DM/YZ8RDM/
DC/DC1 YZ8RDLM/DLM/ DLC/DLC1
*
:
*

1413
Operation
• Test mode is activated.
• CD block power is ON.
• Laser diode turns always ON.
• Continual focus search
(The pickup lens repeats the full-
swing up-down motion.)
* Avoid continual searches that last for
more than 10 minutes.
* NOTE 1
• Normal playback
• Focus search is continued if TOC
cannot be read. * NOTE 1
• During normal disc playback
Press once; tracking servo OFF
Press twice; tracking servo ON
* NOTE 2
• Pickup moves to the outermost track
• Pickup moves to the innermost track
* NOTE 3
(During playback, machine operates
normally.)
Mode/No.
Start mode
No.1
Search mode
No.2
Play mode
No.3
Traverse mode
No.4
Sled mode
No.5
FL display
All lamps light
All lamps light
1. How to Activate CD Test Mode
Insert the AC plug while pressing the function CD button.
All FL display tubes will light up, and the test mode will be
activated.
2. How to Cancel CD Test Mode
Either one of the following operations will cancel the CD test
mode.
• Press the function button. • Press the power switch button.
(except CD function button) • Disconnect the AC plug
3. CD Test Mode Functions
When test mode is activated, the following mode functions from No.1 to No.5 can be used by pressing the operation keys.
* NOTE 1: There are cases when the tracking servo cannot be locked owing to the protection circuit being operated when heat builds up
in the driver IC if the focus search is operated continually for more than 10 minutes. In these cases the power supply should be
switched off for 10 minutes until heat has been reduced and then re-started.
* NOTE 2: Do not press the fior flkeys when the machine is in the ;status is active. If they are pressed, playback will not be possible
after the ;status has been canceled. If the fior flkeys are pressed in the ;status, press the 9key and return to the start mode
(No.1).
* NOTE 3: When pressing the fior flkeys, take care to avoid damage to the gears. Because the sled motor is activated when the fior fl
keys are pressed, even when the pick-up is at the outermost or innermost track.
4. Operation Outline
The operation of each mode is carried out in the direction of the arrows from the start mode as indicated in the following illustration.
If the DISC DIRECT PLAY button is pressed, the machine performs the same operation as the PLAY button is pressed as shown. If
the tray is opened by pressing OPEN/CLOSE button during Play mode or Traverse mode, the machine returns to the Start mode.
No. 2 No. 3
No. 1
No. 5 No. 4
Search mode
Start mode
(All FLs light up.)
Sled mode Traverse mode
Play mode
9
2
;
;
;
1 2
1 2
fi
fl
9
9
9
Contents
• FL display check (All displays light.)
• APC circuit check
• Laser current measurement
(Laser current control. Across a
resistor connected between emitter
and GND.)
FOCUS SERVO
• Check focus search waveform
• Check focus error waveform
(FOK/FZC are not monitored in the
search mode)
FOCUS SERVO/TRACKING SERVO
CLV SERVO/SLED SERVO
Check DRF
TRACKING SERVO ON/OFF
Tracking balance (traverse) check
SLED SERVO
Check SLED mechanism operation
Operation
Activation
9key
1 2 key
;key
fikey
fl
TEST MODE
1
2
3
4
5
6
7
8
9
10
11
12, 13
14
15
16
17
18
19, 20
21
22
23
24
25
26
27
28
29
30
31
32, 33
34
35
36
37
38
39
40
41
42
DEFI
TAI
PDO
VVSS
ISET
VVDD
FR
VSS
EFMO
EFMIN
TEST2
CLV+, CLV–
___
V/P
HFL
TES
TOFF
TGL
JP+, JP–
PCK
FSEQ
VDD
SLD+
SLD-
PUSW
DRF
LENSDW
EMPH
C2F
DOUT
TEST3, TEST4
N.C.
MUTEL
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
MUTER
I
I
O
—
I
—
I
—
O
I
I
O
O
I
I
O
O
O
O
O
—
I/O
I/O
I/O
I/O
I/O
O
O
O
I
—
O
—
O
—
—
O
—
O
Defect sense signal (DEF) input pin. (Connect to 0V when not used).
Test signal input pin with built-in pull-down resistor. Be sure to connect to 0V.
Phase comparator output pin to control external VCO.
For PLL. GND pin for built-in VCO. Be sure to connect to 0V.
Pin to which external resistor adjusting the PD0 output current.
Power supply pin for built-in VCO.
Pin for VCO frequency range adjustment.
Digital system GND. Be sure to connect to 0V.
For slice level control. EFM signal output pin.
EFM signal input pin.
Test signal input pin with built-in pull-down resistor. Be sure to connect to 0V.
Disc motor control output. Three level output is possible using command.
Rough servo or phase control automatic selection monitoring output pin. Rough servo
at H. Phase servo at L.
Track detect signal input pin. Schmidt input.
Tracking error signal input pin. Schmidt input.
Tracking OFF output pin.
Tracking gain selection output pin. Gain boost at L.
Track jump control signal output pin. Three level output is possible using command.
EFM data playback clock monitoring pin 4.3218 MHz when phase is locked in.
Sync signal detection output pin. H when the sync signal which is detected from EFM
signal and thesync signal which is internally generated agree.
Digital system power supply pin.
The pin is controlled by the serial data
command from microprocessor. When
General purpose input/output pin 1 to 5. the pin is not used, set the pin to the input
terminal and connect to 0V, or alternately
set the pin to output terminal and leave
the pin open.
De-emphasis monitor output pin. De-emphasis disc is being played back at H.
C2 flag output pin.
DIGITAL OUT output pin. (EIAJ format).
Test signal input pin with built-in pull-down resistor. Be sure to connect to 0V.
Not used. Set the pin to open.
L-channel mute output pin.
L-channel 1-bit DAC. L-channel power supply pin.
L-channel output pin.
L-channel GND. Be sure to connect to 0V.
R-channel GND. Be sure to connect to 0V.
R-channel 1-bit DAC. R-channel output pin.
R-channel power supply pin.
R-channel mute output pin.
IC, LC78622NE
Pin No. Pin Name I/O Description
IC DESCRIPTION