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Kenwood DMC-J3, Руководство по обслуживанию, Страница: 4 / 19

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DMC-J3

4

CIRCUIT DESCRIPTION

1. Main microprocessor : uPD784035GC810 (X33 : IC5)

1-1 Microprocessor periphery block diagram

P_AD_BATT1
P_AD_BATT2      A / D input
P_AD_ADP
P_ADON
P_CHG
P_CHGOK

Control

SYSTEM

CXD2655R, CXA2523AR

P_XRST
P_XLAT, P_SWDT, P_SRDT, P_SCLK
P_XINT, P_ADSY
P_SENS
P_FOK
P_SYS_POWER, P_SP
P_XSTBY

Headphone AMP

P_HP_POWER

Motor drive

P_CTL, P_PASS
P_SPOUT (D / A output )
P_SPIN (A / D input )

Mechanism

Pickup

P_LDON

(T25-0071-05)

Mechanism

(D40-1576-01)

Remocon

P_RLCD_DT

Unit

P_MLCD_CK
P_MLCD_DT
P_MLCD_CD
P_MLCD_CS

Display

Operation

Data

Power supply

Other

P_TEST0
P_TEST1
P_NO_JTYPE
P_HOLD
P_WUP
P_BEEP

AK93C45A

P_EP_CLK

P_EP_CS

P_EP_DO

Serial control

P_EP_D

P_AD_KEY0
Unit key

P_AD_KEY1
Remocon key

uPD784035GC810

u-COM IC5

DMC-J3(K)1P( 

 98.4.25 

19:57 

 

y[W

 7

Содержание DMC-J3

Страница 1: ...sc digital audio system Read method Noncontact optical reading system semiconductor laser Sampling frequency 44 1 kHz Audio compression ATRAC Adaptive Transform Acoustic Cording Number of channels 2 channels Frequency response 20 Hz to 20 000 Hz 3 dB Wow flutter Less than unmeasurable limit 0 001 W PEAK Input Output terminal Remote control Phones jack Rated power output 9 mW 9 mW Power source DC I...

Страница 2: ...or securely There is no sound The unit does not respond to key operation Sound skips Troubleshooting Message Meaning There is no MD in the unit Nothing is recorded on this MD The UTOC contents are faulty The disc is scratched or damaged so Playbackis not possible The inside of the unit has become hot during charging B L A N K n o D I S C LoBATT E R R O R Meaning of display messages UTOC UTOC User ...

Страница 3: ...h an asterrisk indicate operations performed in SHIFT Mode Play indicator Track mode indicator Remaining battery life indicator OPEN knob PHONES jack Disc Holder SHIFT indicator Play indicator Volume indicator Playback status indicator Repeat mode indicator P One Track Repeat mode PALL All Tracks Repeatmode ALL Random mode Remaining battery life indicator Character infromation indicator Clip Volum...

Страница 4: ... P_SYS_POWER P_SP P_XSTBY Headphone AMP P_HP_POWER Motor drive P_CTL P_PASS P_SPOUT D A output P_SPIN A D input Mechanism Pickup P_LDON T25 0071 05 Mechanism D40 1576 01 Remocon P_RLCD_DT Unit P_MLCD_CK P_MLCD_DT P_MLCD_CD P_MLCD_CS Display Operation Data Power supply Other P_TEST0 P_TEST1 P_NO_JTYPE P_HOLD P_WUP P_BEEP AK93C45A P_EP_CLK P_EP_CS P_EP_DO Serial control P_EP_D P_AD_KEY0 Unit key P_A...

Страница 5: ...Remote control display driver serial control data 24 PWS O Headphone amp output selector H output 25 41 O No use 42 43 TEST1 0 I Test mode 44 NC O No use 45 VSS GND 46 TEST I Device test 47 NC O No use 48 EPCLK O E2ROM serial control clock output 49 MLCD CLK O Display driver clock signal output 50 O No use 51 MCLD DATA O Display driver data signal output 52 EPCS O E2ROM serial control latch output...

Страница 6: ...ion 68 SPOUT O D A spindle drive voltage output 69 AVREF2 Reference voltage for D A 70 AVREF3 GND for D A 71 NO JTYPE I Destination selector L Japan 72 VORG I No use 73 XINT I Interrupt from XINT port of CXD2655R L interrupt 74 ADSY I Interrupt from ADSY port of CXD2655R L interrupt 75 FOK O Focus ok signal input H focus on 76 SCLK O Control clock to CXD2655R 77 WUP I Interrupt from microprocessor...

Страница 7: ... Interruptive requirement output port 24 DADT O Audio data output port to external audio block 25 LRCK O LRCK 44 1kHz output port to external audio block 26 XBCK O Bit clock 2 8224MHz output port to external audio block 27 FS256 O 256Fs output port 11 2896MHz 28 DVDD Digital power supply 29 39 A03 11 O Address output port of DRAM 40 DVSS Digital GND 41 XOE O Output inable port of DRAM 42 XCAS O CS...

Страница 8: ...e output port of CXA2523 80 XLRF O Latch output port of CXA2523 Latch falling edge 81 CKRF O Shift clock output port of CXA2523 82 DTRF O Data output port of CXA2523 83 APCREF O Reference PWM output port of laser APC 84 LDDR O PWM output port for laser digital APC 85 TRDR O Negative tracking servo drive PWM output port 86 TRDR O Positive tracking servo drive PWM output port 87 DVDD Digital power s...

Страница 9: ...FE balance setting value of the default starts a servo by the value which is memorized in E2PROM Incidentally there are 3 kinds of memory area high 3 TEST MODE Low reflection Pit Low reflection groove which store a balance setting value E2PROM At the time of auto matic adjustment this 3 kinds of areas are used appropriately according to a disc There is a setting range of 32 steps 00h 1Fh in the ba...

Страница 10: ...figures groove s FE balance 5 High reflection Auto Gain Filter of Focus and Tracking 103F40 mid 2 figures focus gain value right 2 figures tracking gain value 6 Low reflection Auto Gain Filter of Focus and Track 113538 mid 2 figures focus gain right 2 figures tracking gain 3 TEST MODE 7 Average data of VC FE Offset 127F7F mid 2 figures VC offset compensation value 80h right 2 figures FE offset com...

Страница 11: ...41 80 E B B E B E 1 3 4 5 E B B E S G E B E B 1 3 4 5 B E 8 1 4 5 D E B 1 8 CN1 S2 Q1 C1 R2 D1 S1 S3 S DOWN S2 STOP S6 V UP S5 V DOWN 1 8 24 17 16 9 R5 C2 R6 R3 R2 R1 R4 C1 25 32 IC1 S1 PLAY S4 S UP R1 X27 1690 00 J70 1175 02 E35 2150 03 J80 0014 11 A B D C E 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 11 DMC J3 K 1P 98 4 2519...

Страница 12: ...B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B SIGNAL LINE GND LINE 1u10 VCC VC GND 1u10 TVF SPF SPR TVR R68 2 2 1K R14 100P C55 9 1K R64 R65 10K C56 22u4 10Kx4 CP2 0 1 C18 0 1 C41 7 3 3K 6 5 51K R59 IN 1 SCP C6 2 VCC CTL R61 1K 1000P 3 4 27K R60 R6 4 7K OSC GND OUT C7 47u4 C11 8 PB Q12 L2 10uH R62 470P C10 0 1 88 78 66 92 86 94 R3 33K C5 100u4 330 R5 10K R4 C4 100u4 2 1 VDD GND 3 VO ...

Страница 13: ...K R45 C21 22u4 470K R29 470K R28 73 74 75 76 78 79 80 R33 10K 10K R32 C20 0 01 220P C19 4 3 2 1 5 DI DO 6 ND OUT1 MUTE 2 IN1 PSW PWG 3 PREG OUT2 5 IN2 REF VCC 4 3 3M R111 1 C101 R101 10K 8 2K R103 10 9 8 6 7 1 1800P C102 3 3M R110 C100 1 R100 10K 8 2K R102 1800P C103 X1 12MHz 93 91 89 85 83 82 81 80 78 C25 22u4 27 R63 C24 0 01 73 R49 100K 100K R48 100Kx2 CP4 74 2 78 79 1 76 80 75 R47 470 22 58MHz ...

Страница 14: ...4x3 D M1 2x2 E ø1 8 WASHER N09 3279 05 N09 3337 05 N09 3369 05 N39 1220 46 N19 1416 04 A A A B C E C C Dx2 Cx3 32 20 11 1 702 24 14 21 27 28 8 FM 26 25 DM 31x4 10 PU 4 1 2 3 A B Parts with exploded view numbers larger than 700 are not supplied DMC J3 K 1P 98 4 2519 57 y W 9 ...

Страница 15: ...J 1 X27 1690 00 X33 1150 00 A M B M1 4x2 2 C M1 4x1 5 D N09 3409 05 N09 3379 05 N09 3430 05 N19 1416 04 Bx2 B C C Cx3 J 1 613 626 612 605 650 617 603 654 653 642 747 770 771 772 734 714 660 622 629 643 610 618 652 641 619 620 625 601 624 627 602 651 633 623 640 604 BAT ADP HP RC HOLD LID DC IN HEADPHONE 1 2 3 C D DMC J3 K 1P 98 4 2519 57 y W 11 ...

Страница 16: ...avia K U S A P Canada R Mexico C China I Malaysia Y PX Far East Hawaii T Europe E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components 643 1D G02 1646 13 FLAT SPRING H21 0347 04 PROTECTION SHEET H25 0336 04 PROTECTION BAG H25 1588 04 PROTECTION BAG H50 2769 03 ITEM CARTON CASE K1 H50 2770 13 ITEM CARTON CASE E1T1M1 H50 292...

Страница 17: ...MP 100K X2 R1 RK73GB1J133J CHIP R 13K J 1 16W R3 RK73GB1J333J CHIP R 33K J 1 16W R4 RK73GB1J103J CHIP R 10K J 1 16W R5 RK73GB1J331J CHIP R 330 J 1 16W R6 RK73GB1J472J CHIP R 4 7K J 1 16W R7 RK73GB1J114J CHIP R 110K J 1 16W R8 11 RK73GB1J6R2J CHIP R 6 2 J 1 16W R12 RK73GB1J122J CHIP R 1 2K J 1 16W R13 RK73GB1J913J CHIP R 91K J 1 16W R14 RK73GB1J102J CHIP R 1 0K J 1 16W R15 RK73GB1J133J CHIP R 13K J...

Страница 18: ...icates safety critical components L Scandinavia K U S A P Canada R Mexico C China I Malaysia Y PX Far East Hawaii T Europe E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components 10 3B D10 3650 04 ROD 11 2B D13 1747 04 GEAR ASSY 14 2B D13 1750 14 GEAR 20 2B G01 3911 14 EXTENSION SPRING 21 2B G01 3912 04 EXTENSION SPRING 24 ...

Страница 19: ...RICA 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 SINGAPORE PTE LTD No 1 Genting Lane 0...

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