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DMC-G7R

16

TROUBLE SHOOTING

Can't REC

• Defect occurred 10 times successively during REC-PLAY.

• Check that disc is free from flaws, dust,

• During REC-PLAY, the break that full, high temperature

  fingerprint, black spots, etc.  Check for

  memory taped occurred.

  significant disalignment and runout of disc.

• When reads it, and impossibility tries it again, and an

  address doesn't hire you in REC state repeatedly for 20

  seconds either.

Can't COPY

• The following judgment was made based on the channel

• Record, using the analog cable.

  status of digital signal which was input from D-IN during

  REC-PAUSE or REC-PLAY significant disalignment and

  runout of disc.

  (1) Other than audio uses

  (2) Other than home-uses

  (3) SCNS revealed that copy is impossible.

Din UNLOCK

•  The following result occurred when the digital signal was

• Check for troubles in D-IN signal line.

   input from D-IN during REC-PAUSE or RECD-PLAY.

  (1) PLL of digital IN was unlocked.

TOC FULL

•  The domain that music turn and character information

• Replace disc with another record/playback

   (title of a musical composition, disk names) was registered

  disc having a sufficient area to write UTOC.

   during REC-PLAY.

UTOC ERROR

• UTOC recorded in the disc could not be read.

• Record, using the analog cable.

• Data of UTOC 0 to 4 was looped.

• UTOC data has error. Replace disc with

  another disc

? DISC

• "MINI" data of system ID written with ASCII code in TOC is

• The disc is nonstandard disc.  Replace disc

  not correct.

  with another disc, and check.

• The disc type written in TOC is not for premastered MD,

  recording MD or hybrid MD.

DISC FULL

• When an attempt to set REC-PAUSE was made, there was

• Replace the disc with another record disc

  no record-enable area in the disc.

  having record-enable area.

PB DISC

• An attempt to set REC-PAUSE or to edit was made on the

• Replace the playback-only disc with record

  playback-only disc.

  disc.

PROTECTED

• An attempt to record or edit was made on the record/

• Release the safety lug, and try again.

  playback disc whose safety lug has been set to careless

 protected.  Redo on another track.

TR. PROTECT

• An attempt was made to edit the write-protected track

• The track which you want to edit is write-

  according to information written in UTOC.

   erase preventing position.

TOC FULL

• When an attempt to enter REC-PAUSE or DIVIDE mode or

• Replace disc with another record/playback

   to write the character information was made, the UTOC

  disc having a sufficient area to write UTOC.

   writing area was full of data.

Can't EDIT

• The specific editing conditions were not satisfied in editing.

• Operation procedure is not proper.  Redo,

  following the correct operation procedure.

TEMP OVER

• Because any abnormality occurred, temperature in a set

• It checks it by troubleshooting.

  (MD unit) became too high.

• It uses it at a place of high temperature, and

  is there not it?

DISC ERROR

• Data weren't right or didn't just understand it as a result

• Data has error or the disc has flaw. Replace

  of having read data.

  the disc.

• Abnormality occurred during a record of music data, and

  wasn't able to do a record justly.

TOC ERROR

• An attempt to read TOC was made, but it could not be read.

• Because it isn't in MD standard, TOC

• It was going to read TOC, but wasn't able to read it.

  information recorded in DISC tries to turn it

• The servo automatic adjustment was not made correctly.

  into other disk.

• Because there is wound on a disk, it tries to

  turn it into a disk else.

UTOC ERROR

• Error occurred during UTOC rewriting, resulting in UTOC

• Because there is wound on a disk, it tries to

  rewriting failure.

  turn it into a disk else.

BLANK DISC

• As a result of reading of UTOC it has been revealed that

• Check whether disc is record-enable disc by

OCTr 0:00

  the total TNO number is 0.

  attempting record.

DEFECT

• Data cannot be written in the target address data due to

• Check that disc is free from dust, fingerprint

  track deviation during REC-PLAY.

  and black spot.  Check for disalignment and

  runout of disc.

EXPLANA

TION OF ERROR DISPLA

Y

Error display

Corrective action

Errors

EEPROM Focus Setting Change Chart

EEPROM Spin Setting Change Chart

EEPROM Tracking Setting Change Chart

Focus setting
menu

PLAY

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

• When the STOP key is pressed in the specified mode, the mode changes tothe TEST mode stop state.

F  o  c  u  s

F G

SKIP  UP

SKIP  DOWN

F F 1

F F 2

F F 3

F F 4

F Z H

F L  n

F L  f

F P n

F P  f

F L V

W T  f

F S S

: measurement value

Spin setting
menu

PLAY

• When the STOP key is pressed in the specified mode, the mode changes tothe TEST mode stop state.

    S  p  i  n 

S P G

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

S P  i

S P m

S P  o

S P  1

S P  2

S P  3

S P  4

S P  5

: measurement value

Tracking setting
menu

PLAY

• When the STOP key is pressed in the specified mode, the mode changes tothe TEST mode stop state.

T  r  a  c  k

T G

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  UP

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

SKIP  DOWN

T F  1

T F  2

T F S

T B  o

T B  t

T K  o

T K  t

T D  o

T D  t

S C  o

SC  t

D B O

C H  p

C L  p

C H  r

C L  r

W T m 

: measurement value

DMC-G7R(k) 

COVER( 

 

98.4.24 

2:19 

PM 

 y [ W  

13

Содержание DMC-G7R

Страница 1: ...ined input x 1 microphone x 1 plug in power type Output jack Headphone remote control combined jack Input sensitivity MIC H 0 25 mV 10 kΩ MIC L 2 5 mV 10 kΩ LINE 100 mV 20 kΩ Output level phones 10 mW 10 mW Maximum output level at 16Ω LINE 350 mV at 12dB standard output 50 kΩ Power source DC 5 V AC adaptor AC 120 V 50 60 HZ DC 3 6 V Lithium ion battery x 1 DC 5 V Car battery adaptor sold separatel...

Страница 2: ...mote control 1 A70 1129 05 M Remote control unit 1 A70 1177 05 KET Carrying case 1 W01 0918 08 Stereo headphone 1 W01 0920 15 MET Stereo headphone 1 W01 0941 15 K Patch cord 1 E30 2836 08 Contents SPECIFICATIONS Front cover CONTENTS ACCESSORIES 2 DISASSEMBLY FOR REPAIR 3 TROUBLE SHOOTING 5 PC BOARD 19 SCHEMATIC DIAGRAM 23 EXPLODED VIEW 27 PARTS LIST 29 ...

Страница 3: ... B1 x2 Ø2x2mm A1 x2 Ø2x2mm A1 x2 Ø2x2mm A1 x1 Ø2x2mm B2 x1 Disc Cover Figu re 7 1 Figure 7 2 Eject knob lever Eject lever Lid opening and closing spring Lid opening and closing spring Lid opening and closing lever Engage the spring at the upper side Lid opening and closing lever A Figure A Figure 7 3 Figure 7 4 Note When removing the upper lid at first turn the operation knob side in the arrow dir...

Страница 4: ... D1 x1 Ø1 4x2mm Unsolder D2 x2 How to remove the slide motor See Fig 8 2 1 Remove the solder joint B1 x 1 of slide motor lead wire 2 Remove the screw B2 x 1 and remove the slide motor Note Take care so that the motor gear is not damaged If the gear is damaged noise is raised in search mode How to reinstall the optical pickup unit See Fig 8 3 1 Remove the screws C1 x 5 pcs 2 Remove the magnetic fie...

Страница 5: ...ate even after the above step is taken check the following items Remove the cabinet and follow the troubleshooting instructions Track skipping and or no TOC Table Of Contents may be caused by build up of dust other foreign matter on the laser pickup lens Before attempting any adjustment make certain that the lens is clean If not clean it as mentioned below Turn the power off Gently clean the lens ...

Страница 6: ...fset measurement within allowable range Yes Check Vref values of pins 3 and 4 of IC101 and pin 22 of IC201 No Yes Is laser power normal when laser lights Check the pins 21 and 22 of IC101 the pins 6 and 52 of IC401 the periphery of Q101 Q102 and Q103 CNS101 and pickup flexible PWB insertion No Yes Does focus access occur in focus gain rough adjustment step Check the pins 52 and 53 of IC201 the pin...

Страница 7: ...ved on the pins 5 and 6 of IC703 No Normal playback Is initialization performed normally in case of high reflection disc normal playback When the address up to the sector address has been proved to be normal in the test mode Yes No Does the playback time display act Check IC201 and IC202 connection line Is an attempt tp read repeatebly the TOC section of low reflection disc made No Check whether t...

Страница 8: ...de changes to the TEST mode stop state As for operation during continuous playback refer to Explanation of TEST PLAY mode Measurement value Set value Address Temperature code Test disc MD adjustment needs two types of disc namely recording disc low reflection disc and playback only disc high reflection disc Type Test disc Parts No Price Code 1 High reflection disc ESYA 1014 SONY 2 Low reflection d...

Страница 9: ...asurement value G g _ _ Low reflection groove tracking gain Step 26 SKIP UP button Step 27 Indication of measurement value G b _ _ Low reflection groove tracking balance Step 28 STOP button Step 29 Test mode STOP state T E S T Step No Operation and state Display Reversing when the SKIP DOWN button is pressed When the VOL UP button is pressed during set value indication the set value increases and ...

Страница 10: ... mode changes to the TEST mode stop state When the PLAY button is pressed while the TEST PLAY menu appears continuous playback is initiated from the current pickup position Whenever the DISP button is pressed in the TEST PLAY mode the address changes as follows 0050 03C0 0700 08A0 0050 Whenever the BASS key is pressed in the TEST PLAY mode the digit which is changed by the SKIP UP DOWN button chan...

Страница 11: ...e TEST mode is also stored in the memory When the DISP button is pressed while the error data indication menu appears the error data is initialized C L E A R _ Error Code Jitter checking method JITTER MATER TP145 EFM 0 33 560 ohms 100 ohm 3V 3V Tr 2SC1815 2SC1740 TP141 GND IC101 7 PIN IC701 20 PIN IC701 17 PIN Figure 15 After automatic adjustment is performed in the AUTO mode low reflection MD dis...

Страница 12: ...on T E S T Lead in switch position adjusting method Note Measure the position of lead in switch in the INNER mode and fix the position of lead in switch at SUBQ FF85 to FF02 After retightening the screw pressing the mechanism PWB in the arrow direction measure again the position of lead in switch If the removed screw cannot be fit after position adjustment fix with two screws Lead In Switch Mechan...

Страница 13: ...1 5 _ 1 D H C 1 6 _ 1 F H C 1 7 _ 1 F H C 1 8 _ 2 0 H C 1 9 _ 2 3 H C 2 0 _ 2 4 H C 2 1 _ 1 D H C 2 2 _ 1 E H C 2 3 _ 1 E H C 2 4 _ 1 F H C 2 5 _ 2 3 H C 2 6 _ 2 5 H C 2 7 _ 3 1 H C 2 8 _ 2 C H C 2 9 _ 2 1 H C 3 0 _ 1 E H C 3 1 _ 1 4 H C 3 2 _ 8 5 H C 3 3 _ 8 6 H C 3 4 _ 8 5 H C 3 5 _ 8 7 H C 3 6 _ 0 5 H C 3 7 _ C 0 H C 3 8 _ 0 7 H C 3 9 _ 7 0 H C 4 0 _ 0 9 H C 4 1 _ 4 0 H C 4 2 _ 0 B H C 4 3 _ 2 ...

Страница 14: ...DISP PLAY PLAY PLAY PLAY PLAY Start address indication 1 Start address indication 2 Start address indication 3 Start address indication 4 Address When the STOP key is pressed in the specified mode the mode changes to the TEST mode stop state When the SKIP UP DOWN key is pressed in the start address indication state the address of specific digit changes When the BASS key is pressed in the start add...

Страница 15: ... When the STOP key is pressed in the specified mode the mode changes to the TEST mode stop state E E P R O M F o c u s S p i n T r a c k S l e d B a s s T e m p C T R L EEPROM Slide Setting Change Chart EEPROM TEMP Setting Change Chart EEPROM BASS Setting Change Chart BASSsettingmenu PLAY When the STOP key is pressed in the specified mode the mode changes to the TEST mode stop state B A S S B S 1 ...

Страница 16: ...e any abnormality occurred temperature in a set It checks it by troubleshooting MD unit became too high It uses it at a place of high temperature and is there not it DISC ERROR Data weren t right or didn t just understand it as a result Data has error or the disc has flaw Replace of having read data the disc Abnormality occurred during a record of music data and wasn t able to do a record justly T...

Страница 17: ... DC 10 1 500µs div 500µs div ENV CH2 Position 2 7 div 1 CH Position To AD DA Converter Input SCLK 1 4M 17 LRCK 18 SDTI 16 MCLK 19 CH3 2V DC 10 1 CH4 2V DC 10 1 CH1 2V DC 10 1 CH2 2V DC 10 1 5µs div 5µs div ENV CH Position To CH2 Position 2 7 div 1 NOTES ON SCHEMATIC DIAGRAM Resistor To differentiate the units of resistors such symbol as K and M are used the symbol K means 1000 ohm and the symbol M...

Страница 18: ...18 PARTS DESCRIPTIONS MC G7R ...

Страница 19: ...01 TP412 R436 R444 CNS101 TP608 TP125 TP409 R468 R434 TP603 R442 R435 R443 TP114 C204 TP405 C163 TP602 R433 R437 R441 R404 R405 R406 R438 TP439 R422 TP118 TP124 TP115 TP101 R429 TP109 R421 C162 TP113 TP120 TP133 TP440 TP135 TP123 TP117 CK103 R124 R125 TP441 CK104 CK102 TP134 TP126 CK101 TP136 TP143 C165 IC404 TP144 TP103 R161 TP422 TP131 CK105 R446 R171 TP132 IC401 TP110 TP807 CK514 TP141 TP431 C1...

Страница 20: ... 6 HEAD DRIVE FLEXIBLE PWB 227 M902 FEED MOTOR M903 LIFT MOTOR BK RD CNS101 TO MAIN PWB P33 7 F TO MAIN PWB P33 7 D P33 10 B TO MAIN PWB P33 10 B TO MAIN PWB P33 10 B TO MAIN PWB HEAD DRIVE PWB B1 BOTTOM VIEW HEAD DRIVE PWB B1 TOP VIEW MECHANISM PWB B1 BOTTOM VIEW MECHANISM PWB B1 TOP VIEW M1 SPIN MOTOR BR RD R OR YL GR BL VL GY WH W BK PK PINK BLACK WHITE GRAY VIOLET BLUE GREEN YELLOW ORANGE RED ...

Страница 21: ...1 MCPGIN INPGIN INPGCK OPTCNT INPCNT EXPCNT DPCNT1 DPCNT2 RCPCNT PBGAIN SYSD6 SYSD7 SYWRX SYRDX SYCS SYSD5 SYSD4 SYSD3 SYSD2 SYSD1 SYSD0 XRT NC NC NC NC VDD NC CLK DATA FOUT NC NC NC NC GND CE FSEL WR FOE 2 5V NC NC G I1 VCC I2 G O1 VS O2 2 5V EJECT HOLD FODRF FODRR TRDRR TRDRF X176K SPDRF SLDRF SLDRR IN1R IN1F VM1 OUT1F OUT1R OUT2R OUT2F VM2 IN2F IN2R IN3R IN3F OUT3F PGND3 PGND4 OUT4F VM4 IN4F IN...

Страница 22: ...V 1 3V 0 8V 0 8V 1 89V 0 8V 1 36V 1 11V 1 36V 1 36V 2 59V 2 88V 3 6V 0V 1 5V 1 3V 1 11V 0V 0V 0V 1 27V 0V 0V 0V 0V 0V 0V 1 24V 2 28V 1 23V 2 48V 0V 0V 0V 0V 0V 0V 2 55V 1 05V 2 55V 2 8V 2 56V 0V 0V 0 2V 0 4V 0 3V 1 7V 1 9V 0 3V 2 74V 2 8V 0 2V 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 PIN NO VOLTAGE ...

Страница 23: ...22 13 115 6 PU 4 16 31 32 118 105 7 17 105 116x2 109x2 105 110 109 106 106 8 M903 9 108 108 114 111 114 111 105 103 117 105 1 114 M902 2 M1 34 33 15 19 112 14 18 24 5 11 20 30 119 PWB B2 A B Parts with the exploded numbers larger than 700 are not supplied D ...

Страница 24: ...2 243 605x2 605x2 219 215 222 217 210 246 203 206 239 203 207 205 209 604x3 605x2 605 606 234 235 229 226 225 221 204x4 603x4 224 201 231 230 241 227 220 242 211 PWB A 213 236 605x2 DMC G7R Mini Disc C D Parts with the exploded numbers larger than 700 are not supplied ...

Страница 25: ...UF 6 3WV C115 CC73GCH1H221J CHIP C 220PF J C116 CC73GCH1H101J CHIP C 100PF J C118 CK73GB1H331K CHIP C 330PF K C119 CK73GB1H332K CHIP C 3300PF K C120 CK73GB1H331K CHIP C 330PF K C121 122 CK73FB0J105K CHIP C 1 0UF K C123 124 CK73GB1E223K CHIP C 0 022UF K C125 126 CK73GB1H682K CHIP C 6800PF K C127 CK73FB1C104K CHIP C 0 10UF K C128 CK73FB0J105K CHIP C 1 0UF K C129 SH1245920008 CHIP 10UF 6 3WV C130 131...

Страница 26: ...14 CHIP C 220UF 4WV C881 CK73FB1C104K CHIP C 0 10UF K C882 CK73FB1C105Z CHIP C 1 0UF Z C902 CK73FB1E474Z CHIP C 0 47UF Z C903 CK73GB1C473K CHIP C 0 047UF K C904 CK73FB1E474Z CHIP C 0 47UF Z C905 907 CK73GB1H332K CHIP C 3300PF K C908 909 CK73FB1C104K CHIP C 0 10UF K C910 CK73FB1C105Z CHIP C 1 0UF Z C911 CK73GB1C104Z CHIP C 0 10UF Z CNS101 E40 9976 08 CONNECTOR 26P CNS201 J19 5619 08 CONNECTOR 6P CN...

Страница 27: ... 16W K R448 RK73GB1J393J CHIP R 39K J 1 16W M R448 RK73GB1J683J CHIP R 68K J 1 16W ET R449 RK73GB1J233J CHIP R 23K J 1 16W R451 RK73GB1J562J CHIP R 5 6K J 1 16W R452 RK73GB1J822J CHIP R 8 2K J 1 16W R453 RK73GB1J183J CHIP R 18K J 1 16W R454 RK73GB1J563J CHIP R 56K J 1 16W R455 RK73GB1J562J CHIP R 5 6K J 1 16W R461 RK73GB1J363J CHIP R 36K J 1 16W R462 RK73GB1J183J CHIP R 18K J 1 16W R466 RK73GB1J82...

Страница 28: ... Q353 2SK2909 FET R500 RK73GB1J4R7J CHIP R 4 7 J 1 16W R501 502 RK73GB1J222J CHIP R 2 2K J 1 16W R601 RK73GB1J103J CHIP R 10K J 1 16W R701 702 RK73GB1J101J CHIP R 100 J 1 16W R703 RK73GB1J154J CHIP R 150K J 1 16W R711 712 RK73GB1J472J CHIP R 4 7K J 1 16W R713 714 RK73GB1J103J CHIP R 10K J 1 16W R715 716 RK73GB1J104J CHIP R 100K J 1 16W R717 RK73GB1J102J CHIP R 1 0K J 1 16W R719 720 RK73GB1J103J CH...

Страница 29: ... D10 3747 08 LEVER 15 2B G01 3915 08 SPRING 16 2A SH1242810021 GEAR 17 2A SH1242580067 SPRING 18 2B D10 3653 08 LEVER 19 2B J21 6399 08 BRACKET 20 1A J21 6505 08 SHAFT PICKUP SLIDE 21 1B D10 3654 08 LEVER EJECT 22 1B G01 3916 08 SPRING EJECT LEVER 23 1B G01 3917 08 SPRING CANCEL LEVER 24 2B G13 0502 08 CUSHION MECHANISM 30 1A J21 6506 08 BRACKET HEAD 31 2B J21 6400 08 BRACKET PICKUP 32 2B G09 0665...

Страница 30: ...20129 Milano ltaly KENWOOD IBÉRICA S A Bolivia 239 08020 Barcelona Spain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001499 074 P O Box 504 8 Figtree Drive Australia Centre Homebush N S W 2140 Australia KENWOOD LEE ELECTRONICS LTD Unit3712 3724 Level37 Tower1 Metroplaza 223HingFongRoad KwaiFongN T HongKong KENWOOD ELECTRONICS GULF FZE P O Box 61318 Jebel Ali Dubai U A E KENWOOD ELECTRONICS SINGAPO...

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