Kenwood CD-206-DPF Service manual
MULTIPLE CD PLAYER
TEXT DISP.
ALL INFO.
TIME DISP.
REPEATRANDOM
P.MODE
DISC SKIP
EDIT
4 ¢
1 ¡
DISC 1 DISC 2 DISC 3 DISC 4 DISC 5
0
6
7
PHONES
-ON –STANDBY
L
R
VARI ABLE
LINE OUTPUT
DIGITAL OUTPUT
SYSTEM CONTROL
OPTICAL
COAXIAL
SL16 XS 8
ƒ
TEXT
CD-206/DPF-R6010/R6010E
SERVICE MANUAL
© 1998-3/B51-5418-00 (K/K) 3430
Knob (POWER)*
(K27-)
AC power cord*
(E30-)
Panel*
(A60-)
Phono jack
(E63-1009-05)
Front glass
(B10-2466-03)
Miniature phone jack
(E11-0293-05)
Knob assy*
(K29-)
Phone jack
(E11-0127-05)
Metallic cabinet
(A01-3547-01)
Power cord bushing
(J42-0083-05)
In compliance with Federal Regulations, following are reproduc-
Slide switch
(S31-2132-05)
tions of labels on, or inside the product relating to laser product
safety.
Phono jack
(E63-0199-05)
Oscillating module
(W02-1114-05)
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
* Refer to parts list on page 18 .
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM
CD-206/DPF-R6010/R6010E
RANDOM
DISC SELECTOR
OUTPUT
1 2
3
4
5
REPEAT
DOWN UP
DISC SKIP
1 2
P.MODE
3
4 5
TIME
DISPLAY
6
EDIT 7 8
9
CHECK
TEXT
DISPLAY
0 +10
CLEAR ALL INFO.
6
ALL TEXT
SEARCH
TITLE
SEARCH
4
7
¡
¢
REMOTE CONTROL UNIT
RC-P0601
1
CONTENTS / ACCESSORIES
Contents
CONTENTS / ACCESSORIES ................................... 2
CIRCUIT DESCRIPTION.............................................3
ADJUSTMENT............................................................ 6
PC BOARD ................................................................. 7
Accessories
SCHEMATIC DIAGRAM........................................... 11
EXPLODED VIEW .................................................... 16
PARTS LIST.............................................................. 18
SPECIFICATIONS .......................................Back cover
Audio cord (1)
(E30-0505-05)
Remote control unit (1)
(A70-1134-05) : RC-P0601
System control cord (1)
(E30-2733-05)
AC plug adapter (1)
(E03-0115-05) : M type only
Battery cover: (A09-0356-08)
Batteries (R6/AA) (2)
2
CIRCUIT DESCRIPTION
1. Microprocessor : uPD78055GC-A03 (X32, IC3)
1-1 Microprocessor periphery block diagram
CD-206/DPF-R6010/R6010E
X32, IC2
CXD2507AQ
(DSP) XLT
X32, IC6
LC89710M SCLK
(CD TEXT) SRDT
CDM25
MECHA SW
LOADING
ROTARY
CLK
DATA
SENS
FOK
SCOR
SQSO
GFS
SQCK
MON
MUTE
DQSY
DRIVER
DRIVER
X32, IC3
53 CLK
54 LAT
55 DATA 19~26
56 SENSE (AD0~AD7)
51 FOK 27~32
62 SCOR (A8~A13)
16 SUBQ
58 GFS RD 40
18 SQCK WR 41
52 MON WAIT 42
57 MUTEG ASTB 43
10 SCLK
8 SRDT
63 DQSY
DEFECT 73
uPD78055GC-A03
36 OPEN_SW
37 CLOSE_SW
38 UP_SW
39 DOWN_SW
49 DISC_SENS
48 POSI_SENS
44 SLT_SW
34 OPENM
35 CLOSEM
45 R_TRAY_S
46 R_TRAY_R
47 R_TRAY_L
SGATE 64
SCK 65
SDATE 66
X32, IC4, IC5
HM62256
BLFP 8T
(SRAM)
OR
W242575-70LL
/TC74HC373AF
(D-LATCH)
OE
WE
CE
LE
DEFECT NG
X32, IC7
SGATE
SCK
SDATA
KAN03
LASER ON / OFF
ANALOG METE
FIP15
XM1BA
(FL)
KEY TABLE
PORT
(V)
4.9 ~ 4.4 UP DISC1 TEXT DISPLAY
4.4 ~ 3.8 DOWN DISC2 ALL INFO.
3.8 ~ 3.2 FF DISC3 P. MODE
3.2 ~ 2.5 FB DISC4 TIME DISPLAY
2.5 ~ 1.9 EDIT DISC5 RANDOM
1.9 ~ 1.3 DISC SKIP OPEN/CLOSE REPEAT
1.3 ~ 0.6 – PLAY/PAUSE –
0.6 ~ 0.2 – STOP –
X25, IC1
LC75710
(DOT DRIVER)
A/D KEY0 (77PIN) A/D KEY1 (78PIN) A/D KEY2 (79PIN)
67,80,1~3
LED1~5
50 LDC
59 RMUTE
REM 61
12 DATA 8/16bit 15
13 CLK
14 CE
SDATA 5
77 A/D KEY0 SBUSY 6
78 A/D KEY1
79 A/D KEY2 RESET 60
LED1 ~ 5
REMOCON
8bit/16bit
SERIAL
COMMUNICATION
RESET
3
CD-206/DPF-R6010/R6010E
CIRCUIT DESCRIPTION
1-2 Pin description
Pin No. Name I/O Description
1 LED3 O DISC3 IN/OUT. H : LED lights-ON (Disc IN)
2 LED4 O DISC4 IN/OUT. H : LED lights-ON (Disc IN)
3 LED5 O DISC5 IN/OUT. H : LED lights-ON (Disc IN)
4 AVss – Vss (GND).
5 S.DATA I/O Serial DATA signal input/output.
6 S.BUSY I/O Serial BUSY signal input/output.
7 AVref1 I Vdd (+5V).
8 SRDT I LC89710M (CD TEXT decoder) DATA input.
9 NC O No used.
10 SCLK O LC89710M (CD TEXT decoder) CLOCK output.
11 STANDBY O No used. H : LED lights-ON
12 DATA O LC75710 (DOT driver) DATA output.
13 CLK O LC75710 (DOT driver) CLOCK output.
14 CE O LC75710 (DOT driver) CE output .
15 8/16bit I 8bit/16bit change-over. H : 16bit
16 SUBQ I Q data input.
17 NC O No used.
18 SQCK O Q data CLOCK output.
19-26 AD0 - AD7 I/O HM62256BLFP12T (SRAM) ADR/DATA input/output.
27-32 A8 - A13 O HM62256BLFP12T (SRAM) ADRESS output.
33 Vss – GND.
34 OPEN MOTOR O Tray motor control [OPEN]. H : OPEN/T.U.DOWN
35 CLOSE MOTOR O Tray motor control [CLOSE]. H : CLOSE/T.U.UP
36 OPEN SW I Tray open SW input. L : OPEN
37 CLOSE SW I Tray closure SW input. L : Closure
38 UP SW I Mechanism up SW input. L : UP
39 DOWN SW I Mechanism down SW input. L : Down
40 RD O Read strobe signal output.
41 WR O Write strobe signal output.
42 WAIT I External waiting signal input (No used).
43 ASTB O Address strobe signal output.
44 SLT SW I Start limit SW input.
45 R_TRAY_S O Rotary tray motor control. L : Deceleration
46 R_TRAY_R O Rotary tray motor control. H : CCW
47 R_TRAY_L O Rotary tray motor control. H : CW
48 DISC_SENSE I Disc sensor. H : Disc-IN
49 POSI_SENSE I Position sensor. L : Detection position
50 LDC O Laser signal output. L : Laser diode ON
51 FOK I F. OK input from CXD2507AQ.
52 MON O Spindle motor ON/OFF change-over to CXD2507AQ.
53 CLK O CLOCK output to CXD2507AQ.
. 54 LATCH O LATCH output to CXD2507AQ.
55 DATA O DATA output to CXD2507AQ.
56 SENSE I SENSE input from CXD2507AQ.
57 MUTEG O Digital mute control.
58 GFS I GFS input from CXD2507AQ.
59 RMUTEG O Analog mute control.
60 RESET I Reset input.
4
CD-206/DFP-R6010/R6010E
CIRCUIT DESCRIPTION
Pin No. Name I/O Description
61 REM I Remocon signal input.
62 SCOR I Sub code frame sync detection signal.
63 DQSY I Text data reading permission signal input.
64 SGATE O DATA output to KAN03.
65 SCK O CLOCK output to KAN03.
66 SDATA O Enable output to KAN03.
67 LED1 O DISC1 IN/OUT. H : LED lights-ON (Disc IN)
68 Vdd – Power supply (+5V).
69 X2 – System clock input.
70 X1 I System clock input.
71 IC – GND.
72 XT2 – No used.
73 GND – GND.
74 AVdd – Vdd.
75 AVref0 I Vdd.
76 A3 – No used
77~79 A/D KEY0-KEY2 I A/D key input.
80 LED2 O DISC2 IN/OUT. H : LED lights-ON
2. Test mode
2-1 Setting the test mode
÷ The microprocessor built in the unit can be put to TEST
MODE by just pressing the RANDOM key when set to
power on.
2-2 Key vs Function in test mode
keys Display Description Remarks
(Keep to press RAN-
DOM key and AC ON)
PLAY/PAUSE 6
UP ¢
FF 1
FB ¡
STOP 7
RANDOM
DOWN 4 ‰ 01
8 03 || :||
(1) Focus servo – – – – ON
8 03 || :||
‰ 05 00 : 00
FEED OUT
FEED IN
TEST 00 Disc will be stopped.
8 BIT SYNC
16 BIT SYNC
(2) Tracking servo – – OFF
(3) Feed servo – – – – OFF
(1) Focus servo – – – – ON
(2) Tracking servo – – – ON
(3) Feed servo – – – – – ON
î FL all light up î dot demonstration mode ì
ììì
normal test mode indication нмммм
Move the pick-up to the direction of the outer circumference.
Move the pick-up to the direction of the inner circumference.
8 bit sync and 16 bit sync will be displayed by changing
the SL16/XS8 switch on the rear panel.
Change the output level cyclically.
ì Max î -10dB î Min
ммммммнммммм
Cancellation of the test mode and 01 play.
Setting the test mode
TE-balance adjustment
Focus gain / Tracking
gain and FE-balance
adjustment
5
CD-206/DPF-R6010/R6010E
GND
+
_
L.P.F.
+
+
L.P.F.
VTVM
VTVM
1
2
3
4
5
6
7
ADJUSTMENT
No. ITEM
Step 1~4 are in TEST MODE
1 LASER POWER
TRACKING ERROR
2
3
4
Note:
Type 4 disc : SONY YEDS-18 Test Disc or equivalent.
LPF: Around 47 kΩ+ 390 pF or so.
BALANCE
FOCUS ERROR
BALANCE
TRACKING GAIN
INPUT
SETTINGS
−
Test disc
Type 4
Test disc
Type 4
Test disc
Type 4
Apply signal of
1.2 kHz,
50mVrms to
CN2 pin 5-6.
Apply the sensor section
of optical power meter
on the pickup lens.
Connect an oscilloscope
CH1 : RF (CN2 pin 1)
CH2 : TE (CN2 pin 6)
Connect an oscilloscope
CH1 : RF (CN2 pin 1)
CH2 : FE (CN2 pin 2)
Connect a LPF to CN2
pin 5-6 to which you
connect an oscilloscope
OUTPUT
SETTINGS
as follows.
as follows.
or AC voltmeters.
PLAYER
SETTINGS
While pressing the
RANDOM key, turn
the AC ON. (Test
mode) Press the
PLAY/PAUSE key,
then confirm that the
display is "03".
Press the
PLAY/PAUSE key,
then confirm that the
display is "03".
Press the
/PAUSE
PLAY
then confirm that the
display is "05".
Press the
PLAY/PAUSE key,
then confirm that the
display is "05".
key,
ALIGNMENT
POINTS
−
TE BALANCE
VR2
FE BALANCE
VR1
TRACKING
GAIN
VR3
ALIGN
FOR
On the power from
0.08 to 0.15 mW,
when the diffraction
grating is correctly
aligned with the RF
level of 1.0 Vp-p or
more.
Symmetry between
upper and lower pat-
terns
Optimum eye pat-
tern
Two VTVMs should
read the same
value.
FIG.
(a)
(e)
(a) Laser power
Pickup
(e) Tracking gain
CN2
0.08~0.15 mW
1.2 kHz
50 mVrms
Optical power meter
6
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