Kenwood DVFR 9050 S Service Manual

Page 1

DV75700(K)INT1P 01.817519 PM NH? 1

MULTIPLE DVD VCD CD PLAYER

DV-57OO

/\
\/

DVF-R9050/R9050-S

SERVICE MANUAL

©2001-8 PRINTED IN KOREA
351-5750-00 (K/K) 2492

KENWOOD

Knob *
(K29-)

Panel *
(A60-)

Front glass
(B10-3609-02)

Phone jack
(E11-0190-05)

r\
\/

Pin jack Slide switch
(E63-1128-05) (S31 -1 623-05)

Pin jack
(E63-1156-05)

Knob *
(K29-)

Knob *
(K29-)

Metallic cabinet *
(A01 -)

Pin 'ack

I
(E63-1158-05) (J42-0083-05)

I

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v 220 arw'

ee

5 mzaaum

eee on elem

somtzwvuzamm

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m ouwur

mm m,,
cum om

vca sum

L==._l

Rectangular receptacle
(E58-0027-05)

Oscillating module
(W02-2732-05)

Cylindrical receptacle
(E56-0031-05)

Pin jack

(E63-1171-05) (E30-)

Illust. is DVF-R9050
* Refer to parts list on page 61.

In compliance with Federal Regulations, following are repro-
duction of labels on, or inside the product relating to laser
product safety.

KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.

DANGER : Laser radiation when open and interlock defeated.

Caution : No connection of ground line if disassemble
the unit. Please connect the ground line on
rear panel, PCBs, Chassis and some others.

AVOID DIRECT EXPOSURE TO BEAM.

AC power cord *

AC power cord bushing

Page 2

DV75700(K)INT1P 01.817519 PM «5? 2

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DV-5700/DVF-R9050/R9050-S

CONTENTS / ACCESSORIES / CAUTIONS

Contents

CONTENTS / ACCESSORIES / CAUTIONS...
DISASSEMBLY FOR REPAIR ......
BLOCK DIAGRAM
CIRCUIT DESCRIPTION.

22

PARTS DESCRIPTIONS
PC BOARD ..................
SCHEMATIC DIAGRAM ..
EXPLODED VIEW

....28
29
36
.58

MECHANISM DESCRIPTION . PARTS LIST .......... ....6I
ADJUSTMENT ........................... ....26 SPECIFICATIONS ....Back cover
WIRING DIAGRAM ................................................... 27
Accessories
r N
Audio cables (3) Video cable (1) S Video cable(1) Coaxial cable (1)
(an-osos-os) (E30-1427-05) (E30-2956-05) (E30.2365_05)
Joystick remot control unit(1) Batteries (R6/AA)(2)
(A70-1489-05): RC-D0711
<> .5,
Battery cover (A09-1124-08)
\ J
Cautions

The marking of products using lasers
(For countries other than USA, US.-
Military and Canada)

CLASS 1
LASER PRODUCT
The marking this product has been classified as Class

1. It means that there is no danger of hazardous
radiation outside the product.

Location: Back panel

CAUTION
VISIBLE LASER RADIATION

WHEN OPEN. DO NOT
STARE INTO BEAM.

Inside this laser product, a laser diode classified as
Class 2 laser radiation is contained as alerted by the
internal caution label shown above. Do not stare into
beam.

Location: DVD laser pick»up unit cover inside this
product

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DV75700(K)INT1P 01.3.27 5:19 PM «as; 7 #4:;
DV-5700/DVF-R9050/R9050-S

CIRCUIT DESCRIPTION

ERROR CODE OF CIRCUIT BY SELF CHECK MODE (TEST MODE)

DEFINITION l CONTENTS CODE | BLOCK | TIMING
ODC{Optical Device Control)
MODiNOTicRCOK No CRCOK signal 0x4303 (ADSC,ODC,disc ,pickup) Read address error at lead in or focus jump.
MAS,ECC,ERR Abnormal ODC ODC ODC No emission OK on disc and host in 5 secs.

ERROR
LAYERicMPiERR Abnormal LAYER in seek mode -
OUTiPBiAREAiNG OUT of PB AREA
DATAiTFLPLAYiNG DATA Track Play
SEEKiNGicHGNV No data caused seek error
UNCORRECTiERR gorgfntrol data by demodulator

(ADSC,ODC,disc ,pickup)

Over data from disc(DVD : 0xFFF)(VCD :
INVALIDicMDiERR Out of secter ID OxD601 00.02.00 |ess)(CD : OXFFF)

No lead-in data by demodulator

UNCORRECTiLEADIN error OxD602 ODC,disc Time over in lead-in.
UNCORRECT, No lead-in data by demodulator
KEYDET error OXDSOS

DEFINITION | CONTENTS | CODE | BLOCK | TIMING
SERVO
TRAYiLOADINGiERR Tray Loading Error. 0x4000 3.50! TRAY DCM,TRAYCTL,T(time out Ssecs)

Mechanism, Motor LSI
ADSC, pickup & DCMiFCONiTflime out Ssecs),
FOCUSSVERR FOCUS Servo Error, 0x4100 actuator, Driver LSI Lock NO, NO of seek.
- , DCM,DMON,T(time out 10
SPlNDLE75VERR Spindle Servo Error. 0x4101 ADSC thgerLSL d'sc secs),Time out of checking
stop,Time out of start to turn.
/\ DSC Disc Motor Error. DCMiDMOFiTOime out 10secs),
\ / Abnormal FG-period in ADSC, Driver LSI, disc DCMiDMMODEiTflime
DSC,DM,ERR DVD, Abnormal turn of 0X4102 Motor out100ms) Abnormal turn of
disc motor, disc motor.,
6626 CLVS Failure. . . .
. . ADSC, Driver LSI, disc DCMiDMOFiTOIme out 10secs)
CDC,CLV,ERR étlsnormal FG-period In 0X4103 Motor Setting abnormal CLV
TRAVERSEiERR Traverse Motor Error. 0x4104 ADSC DJéfgrLS" feed DCMJNNERJuime out 5secs)
. DCMiTRONiTflime out 1sec)

TRACK,SVERR Tracking Servo Error 0x4105 acltLIIDaig lelfingfél Command error,Focus jump

Lock NG (ReSartServo) N6 of

Over 200 seek times

ADSC, pickup &

SEEKiTIMEOUTiERR Seek Time Out Error 0x4106 actuator, Driver LSI

DSC Error ADSC

DSCiERROR (status data error) ERROR ADSC Command error
DSC7NOTREADY DSC Not Ready Error 233ng ADSC ADSC REDY time out
. ADSC Over of CLV OK Over
DSC,TIM,ERR DSC TImeOut Error, ERROR ADSC of command end
DSC Communication ADSC
DSC,COM,ERR Failure. ERROR ADSC No use
. ADSC Error of CD-trick play and CD/DVD
DSC,ATN,ERR DSC Attention Error. ERROR ADSC seek. FC jump in DVD-play.
. No check of media, Error after
INVALlDiMDTYP Out of MedIa 0x4300 ADSC servo retry. Abnormal disc.
6626 QCODE do not Read error in Cue or
DONOTEQREADEERR Read Error. 0X4302 ADSC Rev play of CD
Stop servo operation after setting
DSCiESCAPE DSC Command Escape - ADSC the ESC flug in mode register of
ADSC.
FEP
Adjustment error on data EEP jitter and data slice offset
FEPICERR slice offset ERROR ADSC FEP adjustment error 7

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DV75700(K)IN1"1P 01.3.27 5:19 PM may 16 +
DV-5700/DVF-R9050/R9050-S

CIRCUIT DESCRIPTION

Port No. Port Name IIO Function
24 IZCCLK l Clock input for the internal IZC circuit.
Reset. When this input is set low it will reset all internal registers
25 RESETB I to the default states.
67 CLKIN l Master clock input.
139 ENHOFF - When this pin is set low the FL12220 will be in normal enhancement mode.
Input Signals
26,27,30~37 CBIN(0~9) l 10-bit non-multiplexed Cb or multiplexed Cb/ Cr signal input bus.
43~48,51~54 CRIN(O~9) l 10-bit non-multiplexed Cr signal input bus.
55~58,61~66 YIN(0~9) l 10bit luminance or multiplexed Y/Cb/Cr signal input bus.
Input Signals(cont.)
38 HBLANKI | Horizontal input blanking signal.
39 VBLANKI | Vertical input blanking signal.
42 FLDIN | Odd/Even field designator input.
Analog Output Signals
71 R/Cr-ANA 0 Analog output.
73 G/Y-ANA 0 Analog output.
75 B/Cb-ANA 0 Analog output.
76 COMP _ Compensation for-video DACs. Should be connected to analog
ground Via a capCIIOI.
77 RSET - Current setting resistor for video DACs.
78 VFtEF - Voltage reference for video DACs.
Digital Output Signals
wig? G/YOUT(0~9) 0 Green or luminance output bus.
115N118 OBOUT(0~9) 0 Blue or Cb chrominance output bus.
/\ 123~126,129,130
* Digital Output Signals(cont.)
9733;013:2106 CROUT(O~9) 0 Red or Cr chrominance output bus.
133 HBLANKO 0 Horizontal output blanking signal.
134 VBLANKO 0 Vertical output blanking signal.
137 YCLKO 0 Output luma sampling clock.
138 FLDO | Odd/Even field designator input.
140 CCLKO 0 Output chroma sampling clock.

7-2 Simplified Block Diagram

HREFI
VREFI Sync & Timing _ Tri Ie
FLDIN Control ' LarIg-ganadge 1 OPbit
CLKIN Enhancer DAC
Analog
30 . YUV IRGB
Input < lnterpolator Color-Space
Digital F°"ae Luma Converter 30 E
YUV/ Ycr Detail 8. Output
Cb Enhancer F°rma"er Digital
Line YUV YCer/
Memories RGB
SCL Chroma ,
.6 | 2C Control Large-Edge Declmator Enolfgti
Interface Registers Enhancer (Optional) lntgertace
SDA External
OSD

16

Page 30

DV75700(K)INT2P 01.817503 PM NH? 2

PC BOARDiComponent side view)

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30 31 Refer to the schematic diagram for the value of resistors and capacitors.