How it Works
Kenwood
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DVF-R9030
User Manual
48 pgs918.11 Kb2
Service Manual
43 pgs8.84 Mb0
User Manual [it]
42 pgs1.11 Mb0
Owner's Manual [ru]
24 pgs599.79 Kb0
Owner's Manual
99 pgs1.16 Mb0
Service Manual
21 pgs1.87 Mb0
Table of contents
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Kenwood DVFR-9030, DVFR-7030, DV-4900, DV-4070-B Service Manual

DVD VCD CD PLAYER
STANDBY
POWER
DISC SKIP
PHONES LEVEL
PHONES
MIN MAX
- ON – OFF
DISC 1
PUREAUDIO
MODE
DISC 2 DISC 3
DISC 4
DISC 5
OPEN/CLOSE
0
3
8
7
¢
4
SAMPLING
96kfs192kfs
VIRTUAL
SURROUND
0 0000 00000000000
ANGLERAMDOMPGMP.B.C.P.PCMMPEGDOLBYDTS
REPEAT TEXT
INDEX
INDEX
SEQ.1 SEQ.2
D.MIX TOTAL
VIDEO AUDIO
DIGITAL
DVD
CD VCD
11 2 33 44 552
AA B
3
DVD
COAXIAL OPTICAL
DIGITAL OUTPUT
(
PCM/BIT STREAM
)
SUB WOOFER
FRONT SURROUND
6CH. OUTPUT
COMPONENT VIDEO OUTPUT
YCbCr
1
2
MIX LINE OUTPUT
VIDEO
OUTPUT
L
R
CENTER
S1 VIDEO
OUTPUT
S1/S2 VIDEO
OUTPUT
70%
DV-4070-B/4900 DVF-R7030-B/R9030
SERVICE MANUAL
Knob (K27-2408-14)
Indicator (B12-0399-14)
Phone jack (E11-0190-05)
Knob (K29-7803-04)
Knob (K29-7194-04)
© 2000-9/B51-5665-00 (K/K) 3473
Front glass (B10-3608-02)
Knob (K29-7805-13)
Panel (A60-1846-12)
Knob (K29-7806-13)
Metallic cabinet (A01-3759-01)
Pin jack (E63-1128-05)
In compliance with Federal Regulations, following are repro­duction of labels on, or inside the porduct relating to laser prod­uct safety.
KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.
Oscillating module (W02-2732-05)
Cylindrical receptacle (E56-0031-05)x2
DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.
Pin jack (E63-1156-05)
Caution : No connection of ground line if disassemble
Pin jack (E63-1158-05)
AC power cord bushing
Pin jack
(J42-0083-05)
(E63-1171-05)
AC power cord (E30-2909-05)
Illust. is DV-4900.
Multiple DVD VCD CD
Instructoin manual/ separate User's Guide (1)
Joystick remote control unit (1) (A70-1412-05)
Battery cover(A09-1124-08)
Batteries (R6/AA)(2) Video cable(1)
(E30-1427-05)
AC plug adapter (1) (E03-0115-05)
Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.)
S Video cable(1) (E30-2956-05)
Audio cables(3) (E30-0505-05)
Optical fiber cable(1) (B19-1529-05)
DV-4070-B/4900/DVF-R7030-B/R9030
POWER
- ON – OFF
POWER
- ON – OFF
7
POWER
- ON – OFF

CONTENTS / ACCESSORIES

Contents

CONTENTS / ACCESSORIES .................................. 2
DISASSEMBLY FOR REPAIR....................................3
CIRCUIT DESCRIPTION ............................................5
ADJUSTMENT ..........................................................17
PARTS DESCRIPTIONS ..........................................18
Note: Please contact our KENWOOD Service Department in your side if you want the information;
Main Microprocessor(MN10102LP25G),Sub Microprocessor(MN101C28C) ports explanation, D.R. I.V.E.
¿ and SCART Circuit Description and full(previous) format Parts list on this
model. You can be available them by internet from us.

Accessories

PC BOARD ...............................................................19
SCHEMATIC DIAGRAM .......................................... 23
EXPLODED VIEW ....................................................41
PARTS LIST..............................................................43
SPECIFICATIONS ....................................................54
Malfunction of Microcomputer
In case the microcomputer malfunctions, making operations impossible or showing wrong messages on the display even if you connected everything properly. When the microcom­puter malfunctions, perform the following procedure to reset the microcomputer and return it to the normal condition.
1. While holding on the player main unit,
press .
2. The display on the main unit shows blinking "INIT" (ini- tializing), then shows "INIT OK!" (Initialization OK) to indicate that the microcomputer is reset.
3. Press on the main unit to turn it off, then press
2
it again to turn it on.
The resetting clears the setups stored in the microcom-
puter and returns it to the factory-set initial condition. After resetting, you should perform the various setups of the player again from the beginning.
Transport or moving precautions
When transporting or moving the player, first remove the disc and observe the following procedure.
1. Turn the player power on.
2. Wait for a few seconds, until the display shows "NO DISC".
3. Turn the player power off by pressing .
DV-4070-B/4900/DVF-R7030-B/R9030
1
5
2
3
6
4
5
HOOK ( x2)
HOOK
x2
Guide
6
3
4
HOOK
GUIDE
ARM
DRIVE GEAR
HOOK
LOADING GEAR (A) (Free)
PROTRUSION OF TRAY
2
1
5
REAR

DISASSEMBLY FOR REPAIR

1. How to Remove Tray

1. Remove the front panel and flexible cable. Disassemble the X25 and power supply pcb with sub
chassis if it is a difficult.
2. Push and hold the lever(
out the tray to frontwards( meets with guide(
3. Push hooks(
from guides(
).
), both sides, inwards and release them
).
4. Pull hooks of tray(
upwards(
).
)to clockwise and pull barely
) where the hook of tray( )
) outwards and remove the tray

2. How to Assemble Tray

1. Adjust the position of drive gear as figure( ).
Check traverse unit is at the lowest position.
2. Load the tray on the loading mechanism.
Check the position where the loading gear(A) is free(
3. Meet the hooks with guides and push hooks to load the
tray(
4. Set the right side hook to loading mechanism(
5. Set the left side hook to loading mechanism with pulling it
).
outwards(
).
6. Push the tray backwards(
).
)
).
3
DV-4070-B/4900/DVF-R7030-B/R9030
2
4
2
1
3
Tray guide
Guider (L)
Protruding part
5
5
5
6
6
6
X13-7770-10
CN1
CN2
Clamper weight
Spacer
Magnet
Clamper
REAR
Tilt adjustment screw 2
Tilt adjustment screw 1
Tangential adjustment screw
DISASSEMBLY FOR REPAIR

3. How to Remove Clamper Ass'y

1. Remove screws.

5. How to Disassemble Traverse Unit

1. Move the traverse to upward by turning motor pulley (
~ ).
2. Make the gap between the tray guide and guider(L) with driver(
3. Remove the screws(
)
, ).

4. How to Disassemble Clamper Ass'y

6. Tangential and Tilt Adjustment

1. Turn the power on with pressing the DISC 1 key.
(Display shows "INSPECTION"; test mode.)
2. Press the DISC1 key in playback mode again. Display shows "Jitter *** %"
3. Turn off if cancel test mode.
4
DV-4070-B/4900/DVF-R7030-B/R9030

CIRCUIT DESCRIPTION

MAIN MICROPROCESSOR: MN102LP25G(X35,IC500)

Port No. Port Name I/O Description
1 WAIT O Optical Device Control(ODR) wait 2 NRD O Read(RD) port for ODC/AV 3 - - No use 4 NWA O write(WR) 5 RAMCS O Chip Select(CS) Flash RAM 6 ODCCS O Chip Select(CS) ODC 7 AVCS O Chip Select(CS) AV decoder 8 RAMCS O Chip Select(CS) DRAM for TEXT buffer
9 SCLOCK O Clock of Video DAC(ADV7172) 10 SDATA O Data of Video DAC(ADV7173) 11 FRD O Read(RD) port for Flash ROM 12 MODE2 I H: Chip Select 0, 8bit bus
13-16 CPUADR0-3 O Address A(0-3)
17 Vdd I +5V 18 SYSCLK O AV decoder HCLK 19 Vss O GND 20 XI I Clock input port 21 XO O Clock output port 22 Vdd I +5V 23 CLK I 13.5MHz clock input port 24 OSCO O No use 25 MODE2 I CPU mode: H=Memory enhanced mode
26-33 CPUADR4-11 O Address A(4-11)
34 Vdd I +5V
35-42 CPUADR12-19 O Address A(12-19)
43 Vss - GND 44 196BSY I Busy of writing jig 45 256BSY O Busy of unit 46 ATTL O Analog output attenuator L: active 47 - - No use 48 KMODE I writing mode. H=writing. L=normal. 49 AMUTE O Audio mute 50 ADSCEN I CIRC enable 51 - O No use 52 SLEEP O Front End Processor(AN8825) standby 53 FRNTH O Front DAC selector. H=front. 54 Vdd - +5V 55 FEPEN I Front End Processor SEN 56 CLKSEL O Sampling frequency selector. L=44,88,176kHz, H=48,96,192kHz 57 STBDAC2 O DAC2(AK4393) Strob 58 STBSP O Serial/parallel(NJU3711) Strob 59 STBDAC1 O DAC1(AK4393) Strob 60 ADSC O Advanced Digital Servo Control serial data transfer. 61 Vss O GND 62 - O No use 63 XS O Chip Select of E2PROM 64 SCSIEN O Enable control of writing jig. L=enable 65 DARK-DET I Video signal check by Y-signal 66 Vdd I +5V 67 SCLKO O Sub-microprocessor clock 68 SIO I Sub-microprocessor data input 69 SOO O Sub-microprocessor data output 70 SCLKI O Clock for every Ics
5
DV-4070-B/4900/DVF-R7030-B/R9030
CIRCUIT DESCRIPTION
Port No. Port Name I/O Description
71 S11 I Data input for every ICs 72 S01 O Data output for every ICs
73,74 PUP I No use. Pull up
75 NMI I Pull up. 76 ADSCINT I Interrupt of Advanced Digital Servo Control 77 ODCINT I Interrupt of Optical Device Control. 78 AVINT I AV decoder XHINT. 79 ICRST O Reset for every Ics. H=reset. 80 STBDAC3 O Standby of DAC3 81 - I Address/data mode. Pull up=address/data separate. 82 RST I Reset 83 Vdd I +5V
84-91 CPUDATA0-7 I/O Data bus(0-7)
92 Vss O GND
93-100 CPUDATA8-15 I/O Data bus(8-15)

MICROPROCESSOR PERIPHERY DIAGRAM

X35,IC2 X35,IC300 X35,IC700
CONTENTS PROTECTION for PRERECORD MEDIA
X25,IC102
E2PROM(4K) MECHANISM/POWER SUPPLY
PICKUP
ADSC
SIO1
BUS
1M
SRAM
(DVD-TEXT)
SIO0
FRONT END PROCESSOR
8
KEY
REMOTE CONTROL
OPTICAL DEVICE CONTROL
8
X35,IC500
MAIN MICROPROCES SOR
X25,IC100
SUB
MICROPROCESSOR
MECHANISM
16
X35,IC401/2
SDRAM
X35,IC400
AV DECODER
FLASH ROM(1M)
LED X14,ED1
DISPLAY
16
WATER MARK
X35,IC600
VIDEO DAC
X35,IC502
E2PROM(4K)
X25,IC5/6
AUDIO DAC
X25,IC18
I/O
V. OUT
A. OUT
6
DV-4070-B/4900/DVF-R7030-B/R9030
CIRCUIT DESCRIPTION
X35,IC401/2

CPPM,WM IC PERIPHERY DIAGRAM

SDRAM
BUS
X35,IC300
OPTICAL DEVICE CONTROL
OR
8
ADDRESS DECODER
A19
ODCWIAT
X35,IC700
CS1
X35,IC400 X25, IC5/6
CONTENTS PROTECTION for PRERECORD MEDIA
ADDRESS DECODER
16 16
X35,IC500
MAIN MICROPROCESSOR
A16
CS2
AV DECODER
AUDIO DAC
WATER MARK
8

INITIALIZATION

Turn power-on with pressing the STOP key. You can separate from initialization mode if pull out the ac power cord.
Step function Remarks
1 POWER-ON 2 CD-TRAY CLOSE. 3 DISC-POSITION-SW ON 4 ROTARY-SW ON
Display shows blinking "INITI"
5 TRAVERSE-UNIT 6 RAM & BACKUP INITIALIZE Display shows "INITI_OK" if no trouble. "INITI_NG if any trouble.

SUB MICROPROCESSOR:MN101C28C(X25,IC100)

Port No. Port Name I/O Description
1 VREF- O Negative reference voltage for AD converter.
2-4 KEY0-2 I Key input for AD 5,6 KEY3,4 O No use
7 KISYU I Model selector
8.9 KID0,1 I Destination selector 10 VREF+ O Positive reference voltage for AD converter. 11 Vdd O +5V 12 OSC2 I Clock input,10MHz
7
DV-4070-B/4900/DVF-R7030-B/R9030
CIRCUIT DESCRIPTION
Port No. Port Name I/O Description
13 OSC1 O Clock output 14 Vss O GND 15 XI I No use 16 XO O No use 17 MMOD I GND 18 TXD0 O SIO0 data output port. Main processor contact. 19 RXD0 I SIO0 data input port. Main processor contact. 20 SCK0 O SIO0 clock 21 SB01 O SIO1 data output port. FL driver contact. 22 SB11 I SIO1 data input port. FL driver contact. 23 SCK1 I SIO1 clock 24 FLCE O FL chip enable. 25 RESET I CPU reset. 26 E2CS O No use 27 P11 O No use 28 MECHAVR O Mechanism PCM output. 29 P13 O No use 30 LED DM O No use 31 REMOCON I Remocon code input. 32 POS SEN O Mecahnism position sensor 33 MECHA FG I Mecahnism frequency generator(FG) signal input. 34 OPEN SW I Tray open switch sensor. 35 CLOSE SW I Tray close switch sensor. 36 12C SDA O IC400 control (I2C data). Scart drive/E2ROM 37 SB12 O No use 38 12C SDC O I2C clock.
39,40 P33,34 O No use
41 TM+ O Tray motor positive port. 42 TRM- O Tray/rotary motor common port. 43 RM+ O Rotary motor positive port. 44 RGBL O Y signal. 45 AOP O Video signal selector. AOP=Pure Audio Mode. 46 YCBH O H=scart color-difference signal. L=RGB. 47 TRAY OPEN O No use 48 TRAY CLOSE O No use 49 POWER O H=on. L=power off. 50 FL OFF O No use 51 WIDE1 O H=squeeze. L=letter box. L=normal. 52 WIDE2 O H=squeeze. H=letter box. L=normal. 53 C OFF O C-signal of YC-signal on/off. H=on. L=off.
54-56 P52-54 O No use
57 CE O Power chip enable. 58-60 P61-63 O No use 61-68 LED18-11 O No use
69 POWER LED O Power LED(D9).
70 96kHz O 96kHz LED(D7).
71 DISC2 O Disc 2 LED(D2).
72 DISC4 O Disc 4 LED(D4).
73 VSS LED O Vss LED(D6).
74 AOP LED O AOP LED(D15).
75 SHOWER O Shower LED(D14).
76 192kHz O 192kHz LED(D8)
77 DISC1 O Disc 1LED(D1)
78 DISC3 O Disc 3 LED(D3).
79 DISC5 O Disc 5 LED(D5).
80 POWER MUT O Power mute.
8
DV-4070-B/4900/DVF-R7030-B/R9030
X35-224
DMIX
AOUT0
AOUT1
AOUT2
DAC
DAC
DAC
DAC
IC18
H2CH
FRNTH
IC33/34
60kHz
IC31
110kHz
60kHz
60
kHz
60
kHz
IC1
D.R.I.V.E.II
L2CH
LPF
LPF
LPF
LPF
LPF
SW3
SW1
X25-637
SW2
A
B
MUTE
MUTE
MUTE
MUTE
-6dB ATT
-6dB ATT
MIX L/R
L/R
SL/SR
C/SW
MUTE Ctrl ATT Ctrl
AV1
AV2
IC32
IC4
IC5
IC6
X35-224
DMIX
AOUT0
AOUT1
AOUT2
DAC
DAC
DAC
DAC
IC18
H2CH
FRNTH
IC33/34
60kHz
IC31
110kHz
60kHz
60kHz
60kHz
IC1
IC2
IC3
D.R.I.V.E.II
D.R.I.V.E.II
D.R.I.V.E.II
L2CH
LPF
LPF
LPF
LPF
LPF
SW3
SW1
X25-637
SW2
A
B
MUTE
MUTE
MUTE
MUTE
-6dB ATT
-6dB ATT
MIX L/R
L/R
SL/SR
C/SW
MUTE Ctrl ATT Ctrl
AV1
AV2
IC32
IC4
IC5
IC6
(A). DVF-R9030(J,E,T,X,M), DV-4900(K)
(B). DVF-R7030(J,E,T,X,M), DV-4070(K)
SW4
SW4
CIRCUIT DESCRIPTION

D.R.I.V.E. ¿ SIGNAL PATH

9
* SCART terminals(AV1,2) are available for European model
only.
Media vs SWITCHES
Media SW1 SW2 SW3
DVD-Audio (fs: 192kHz,176.4kHz), A off on VCD, CD-DA Normal DVD, DTS-CD, 2-ch Speaker setting Normal DVD, DTS-CD, More than 3-ch Speaker A on off setting
B on off
Low Pass Filter Media SW4
110kHz (fs:192kHz,176.4kHz)
60kHz All B
ATT Ctrl
Display ATT AV Decoder
0dB(factory setting) ON(-6dB) 0dB ±1-6dB OFF(0dB) 0 ~ -5dB, -7 ~ -12dB
DVD-Audio
Others B
-6dB * -6dB * More than 1-ch is changed level.
A
(B). DVF-R9030(E,T), DVF-R7030(E,T)
SW1
SW2
SW3
6dB
75
Drive
6dB
75
Drive
BUF
Y(DVD)
VIN(AV2)
VIN(AV1)
IC400
I C LOGIC
2
SDA
DVDL
G/Y(DVD)
GND
GIN(AV2)
B/Cb(DVD)
BIN(AV2)
R/Cr(DVD)
C(DVD)
RIN(AV2)
SCL
YCBH
IC100
V/YOUT(19)
R/COUT(15)
GOUT(11)
BOUT(7)
VIN(20)
VOUT(19)
RIN(15)
GIN(11)
BIN(7)
VIN(20)
6dB
75
Drive
IC401
6dB
75
Drive
IC402
6dB
75
Drive
IC403
YCH
Cr
Cb
Y
IC302
SCART(AV2)
X35-224
SCART(AV1)
J8
J9
J7

SIGNAL PATH IN SCRT PCB

CIRCUIT DESCRIPTION
DV-4070-B/4900/DVF-R7030-B/R9030
10
DV-4070-B/4900/DVF-R7030-B/R9030
CIRCUIT DESCRIPTION

RELATION OF IN/OUT ON VIDEO SIGNAL

OUT
Condition In-SIGNAL AV1(J8) AV2(J9) RGB(J7)
Composite Y,C(IC600:X35) #19(V/Y out) #19(V out) -
S-Video Y,C(IC600:X35)
RGB RGB(IC600:X35)
<VA2>
#20(V in), #15(R/C out),
Standby #15(R in), #11(G out), IN-SIGNAL -
#11(G in), #7(B out),
#7(B in) #19(V/Y out)
#19(V/Y out),
#15(RC out)
#15(R/C out),
#11(G out),
#7(B out),
#19(V/Y out)

RELATION OF IN/OUT ON AUDIO SIGNAL

Condition In-SIGNAL AV1(J8) AV2(J9) RGB(J7)
Power on DVD MIX-OUT
#1(A[B]out), #2(A[B]in),
Standby DVD MIX-OUT
#3(A[A]out) #6(A[A]in)
--
#19(V out) -
OUT
#1(A[B]out),
#3(A[A]out)
#1(A[B]out),
#3(A[A]out)
-
-
-
Condition BLK(#16, AV1) RGB 5V(no load) Other 0V Standby #16 of AV2:through
Condition FVNC SW (#8,AV1) 16:9 TV PLAY 6V Other 11V Standby #16 of AV2:through
11
DV-4070-B/4900/DVF-R7030-B/R9030

TEST MODE

Key Mode Display Operation
PLAY
-
Playback time Disc Playback
SKIP-UP
STOP
Display shows cyclically by pressing key
SKIP-UP
PLAYBACK Playback time Playback next chapter/track #/program #
SKIP-DOWN
PLAYBACK Playback time Playback before chapter/track #/program #
STOP
- Time
Stop to operate and return to first step of this test mode.
PAUSE
Track #
Playback program-playback automatically. Order of playback: T# 1-1
4-1 4-2 4-3 4-4 3-6.
UP/DOWN keys acceptable.
DISC1
Playback CD Track #
Playback program-playback automatically. Order of playback: T# 2
3 7 4 16. UP/DOWN
keys acceptable.
DISC2
PLAYBACK
Mute works cyclically on or off.
DISC3
-
LPF 60k LPF 110k
Speaker protection works cyclically on or off.(Cut­off freq. Change 60k or 110k)
DISC4
-
WIDE1
WIDE2
NORMAL
WIDE mode changes cyclically WIDE1 or WIDE2.
DISC5
-
SCART RGB SCART YC
SCART Through
Video signal of SCART changes cyclically RGB(DVD) Y/C(DVD) Through(AV1 AV2)
OK or IC*** Self check mode(refer to Servo Error Code)
IC 100 ERROR ADSC Defective.
IC 2 ERROR FEP Defective.
IC 300 ERROR ODC Defective.
IC 400 ERROR AV DEC Defective.
STOP+DISC1
STOP Rotary turns clockwise.
STOP+DISC2
STOP Rotary turns counter clockwise.
STOP+DISC3
STOP Tray opens
STOP+DISC4
STOP Tray closes
-
DISC SKIP
CIRCUIT DESCRIPTION
TEST MODE
This model has 3 kind of test modes; unit inspection, factory test mode, measurement. In this manual, items of repair, test mode and inspection are available.
Setting
Turn power on with pressing "PAUSE" key. Display shows "TEST". Turn power on with pressing "DISC1" key. Display shows "INSPECTION".
Cancellation of Setting
Turn power off.
Key vs Function
Keys which described in the following table work as it is.
Playback
DAD-VIDEO
All segments light Niagara mode Playback time
MUTE ON MUTE OFF
12
DV-4070-B/4900/DVF-R7030-B/R9030

INSPECTION

Key Mode Display Operation
PLAY
- Playback time Disc Playback
SKIP-UP
STOP
Display shows cyclically by pressing key
SKIP-UP
PLAYBACK Playback time Playback next chapter/track #/program #
SKIP-DOWN
PLAYBACK Playback time Playback before chapter/track #/program #
STOP
- INSPECTION
STOP
STOP
DISC1
PLAYBACK Jitter ***%
DISC2
-
DISC4
-
WIDE1
WIDE2
NORMAL
DISC5
-
No right position of rotary Foreign matter inserted No right position of rotary Foreign matter inserted
E1102
C
Disc full load
Load disc at no proper
position
No show
CLOSE
C
E1101

ERROR CODE OF MECHANISM

CIRCUIT DESCRIPTION
All segments light Niagara mode Playback time
Stop to operate and return to first step of this inspection mode.
Model/destination/re gion code
CPPM KEY ID
SCART RGB SCART YC SCART Through
DISPLAY
E1001
E0101 No show
CONTENTS REASON CANCELING KEY
No contact with main processor
Poor disc chucking
No cancellation of chucking
No turn of rotary Foreign matter inserted
No open Mechanism jam No Close Mechanism jam
Main processor doesn't work Sio-0 bus damaged
Stop to playback and return to first step of this test mode.
Shows jitter value(binary value vs time deviation of PLL-clock)
15 figures.
WIDE mode changes cyclically WIDE1 or WIDE2.
Video signal of SCART changes cyclically RGB(DVD) Y/C(DVD) Through(AV1 AV2)
OPEN/CLOSE or DIS SKIP CLOSE Initialization
REMARKS
No
No
No
Initialization
E0102
E0103
Playing Disc inside
No detection of disc position
Waiting
Not stop to turn the proper position
Foreign matter inserted at sensor Turn power off in open/close mode.
OPEN/CLOSE or DIS SKIP
NO
Remove the one disc after turn power off
Check the sensor of discs on the rotary.
Press the CLOSE key after turn the power on again.
13
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