Marantz MAR770, DR-6000, MAR775 service manual Block Diagram, CDR Main Board

Page 36

10. BLOCK DIAGRAM

CDL 4009 LOADER ASSY

CDM3800

M

TURN

TABLE

LASER

&

FORWARD

SENSE

FLEX 11P

CDR MAIN BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

7330

 

 

 

7703

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1500

1330

 

 

HALL

 

 

 

FLASH

 

 

 

+5V

 

 

 

 

 

 

ROM

 

 

 

+12V

 

DRIVE, HALL FEEDBACK

 

MOTOR

 

 

 

 

 

 

-8V

 

 

 

 

 

 

 

 

 

 

 

 

 

DRIVER

 

 

 

 

 

 

 

VDC1, VDC2, VFTD

 

 

 

BA6856FP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADDRESS

7702

DATA

 

 

 

 

 

 

 

 

 

BUS

BUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7008

 

 

7300

DRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EFMTIM3

EFMDATA, EFMCLK, LWRT

 

CDR60

 

 

 

 

 

F934

 

LO9805

 

 

 

SAA7392

 

 

 

 

 

 

 

EFM TIMING

 

 

 

 

7701

 

 

 

D5V

 

 

 

 

A1 - A20

D16 - D31

 

 

 

 

 

 

 

SYS-RESET

 

 

 

GENERATOR

 

 

 

 

 

 

 

 

 

DOBM-CDR

 

I2C BUS

 

 

 

 

 

 

 

DECODER

 

 

 

 

 

 

 

 

 

SUBCODE BUS

 

 

 

 

 

 

 

 

 

 

ENCODER

 

 

 

 

 

 

 

 

 

 

MOTOR CONTROL

 

INT-COPY-ANA

 

 

 

 

CONTROL

 

 

 

 

I2S BUS 1

 

 

 

 

 

 

CONTROL

 

 

 

 

7801

 

 

 

 

LINES

LINES

 

 

 

 

 

DIGITAL

 

7401

 

 

 

 

 

 

 

 

 

 

EXT-ANA-IN

1000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POT

 

 

 

 

 

 

 

 

 

 

 

 

 

CD-ANA-OUT

 

 

 

 

 

 

 

 

DS1807

 

 

 

 

 

 

7016

HIN

WOBBLE OFFTRACK

ATIPSYNC

 

 

 

 

 

 

 

 

CONTROL

 

LLP

 

 

SEL-HP-OUT

 

 

 

 

LASER

 

LINES

 

CDR60PLL

 

 

 

 

 

1410

IR, IW, IE

 

XDAC

 

 

 

 

 

 

7407

 

 

 

 

 

 

 

7408

 

CONTROL

M62364

HF AMP

 

 

 

7405

ANA-OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FILTER

 

 

DASP

 

 

 

 

 

 

 

 

 

 

 

ANALOG

 

 

 

 

 

 

 

 

 

 

IN

 

 

 

 

 

 

 

 

 

 

MCF5244

 

 

CD-ANA-OUT

 

 

 

 

 

 

 

 

 

 

 

 

CAHF

 

 

 

 

 

 

 

7406

 

 

 

 

 

 

 

 

DIGITAL AUDIO

SYS-CLK-11W

 

 

 

11 WIRES

 

0205

 

 

 

 

 

 

 

 

POWER SUPPLY

 

 

 

 

 

 

 

 

UNIT

 

 

 

 

DISPLAY ASSY

 

 

 

 

 

 

1113

 

 

 

1119

 

DISPLAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15-BT-60GNK

 

 

 

10 WIRES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLAVE DISPLAY

 

 

 

 

 

RC5

 

 

 

CONTROLLER

 

 

 

 

 

 

 

 

TMP87CH74F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KEYS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1400

3 WIRES

HEADPHONE

3 WIRES

5 WIRES

2 WIRES

2 WIRES

KEYS

EASY

JOG

Stand By

LED

PHOTO DIODES

RADIAL FOCUS

M

SLEDGE

M

TRAY

TRAY

SWITCH

FLEX 30P

FLEX 10P

2WIRES

2WIRES

 

 

 

 

 

 

 

 

SIGNAL

 

CODEC

ANALOG

7409

 

 

 

 

 

 

 

 

I2S BUS 2/4

1400

A1LF, A2LF, B1LF, B2LF

 

 

 

 

 

CONTROL

 

PROCESSOR

UDA1341TS

OUT

 

C1LF - C4LF

 

 

 

 

 

LINES

 

 

 

 

 

 

 

 

 

 

 

 

7207

 

 

L3 BUS

ADC / DAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I2C

 

 

EXT-DIG-IN

 

 

 

 

 

CONTROL

CONTROL

DATA

 

 

 

 

 

RAD+, RAD-

 

LINES

LINES

 

EEPROM

 

DIG-OUT-C

 

 

 

 

 

BUS

 

 

 

 

FOC+, FOC-

 

 

 

7010

 

M24C08

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AEGER

 

 

 

 

EXT-OPT-IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TZA1020

 

 

 

 

 

 

DSA-CD

 

 

 

 

 

 

 

I2C BUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANALOG

 

 

 

 

 

I2S BUS 3-CD

 

 

ERROR SIGNAL

 

 

 

 

 

 

 

 

 

 

GENERATOR

 

7270

 

 

 

DOBM-CD

 

 

 

 

 

FOR

 

ALPHA0

 

 

 

 

 

 

1708

 

RECORDABLE

 

 

DSA-CDR

 

 

 

 

 

 

MACE2

 

 

 

 

 

 

 

 

 

 

A1, A2, CALF

 

 

 

 

 

 

 

 

 

 

 

 

SAA7399

 

 

SYS-CLK-16W (16.9344 Mhz)

 

 

 

 

 

 

 

 

 

 

 

 

SYS-RESET

 

 

 

 

 

TLN, MIRN, FEN, REN, RE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PCS PRE-AMP

 

 

 

7802

1707

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NE532D

 

7225

 

 

 

 

33.8688 MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1220 SIN+, SIN-

 

 

 

 

 

 

RAM

 

 

 

 

 

COS+, COS-

 

 

 

REFSIN, SINPHI, REFCOS, COSPHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SL+, SL-

 

 

 

 

 

BASIC ENGINE

 

 

 

7706A

 

 

POWER

 

 

 

PROCESSOR

 

 

 

 

 

 

 

 

 

 

 

/2

 

 

 

DRIVER

7240

 

 

MAD0 - MAD7

 

 

SYS-CLK-BE

 

SYS-CLK-8W (8.4672 Mhz)

 

 

 

 

 

(8.4672 Mhz)

 

 

BA5938FM

 

 

 

7208

 

74F74D

 

 

 

 

RAD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FOCUS

VRA, VFO, VSL

 

FLASH

ADDRESS

 

 

 

 

 

 

 

 

 

 

 

EPROM

 

 

 

 

 

 

 

 

SLEDGE

 

 

BUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1200

 

 

 

 

TRAYIN, TRAYOUT

 

 

 

 

 

 

 

TR+, TR-

 

 

 

TRAY

 

 

 

 

 

 

 

 

 

 

 

 

 

MA8 - MA17

 

 

 

 

 

 

TRAYSW

 

 

 

 

TRAYSWF

 

7209

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DEMUX

 

 

 

 

 

 

 

 

 

 

 

SYS-CLK-BE

 

 

 

 

 

 

 

 

 

 

 

 

(8.4672 Mhz)

 

 

 

 

 

 

1000

I/O BOARD

RC-5

 

 

EXTERNAL

ANALOG IN

ANALOG OUT

COMMON

FLEX 14P

EXTERNAL

DIGITAL IN

 

DIGITAL OUT

COMMON

EXTERNAL

OPTICAL IN

 

CD PLAYER

 

1208

7309

 

DAC

 

 

 

 

UDA1320

 

 

7207

 

 

uP

 

 

S87C654

 

FLEX 22P

 

 

 

7000

CD

 

 

 

DECODER

DRIVE

 

 

 

SAA7324

 

 

1209

 

 

FLEX

 

 

7P

 

 

1502

 

CD

ANALOG OUT

CD

DIGITAL OUT

CD OUT

35

36

Image 36 Contents
Service Manual USA Europe / TradingBrazil AmericasPlayback & Recording and Disc CDR loader CDR main module CDL4009 or MAR770 This PCB contains the headphone socketTechnical Specifications GeneralESD IIIService Hints Service Tools Dealer mode Dealer diagnosticsStatus of player Electrical service diagnostics Software versions, test for defective componentsMechanical service diagnostics DC-erase service mode Erasement of complete CD-RWFaultfinding trees CDR-ModuleCD-DA Disc Loaded CD R Wiring Power Supply Voltages Electrical Service Diagnostics CD-RW Disc LoadedDisplay no CD RWCheck Flex Connection from CDR Main Board Power Supply +3V3 AT IC7000 Pins 5,17,21,57, Check Safety ResistorsCD Module OPEN/CLOSECD Module Playback Display Board Description of display boardGeneral description Display controller TMP87C874FClock signal Control signalsTest instructions Supply voltagesIR receiver remote control Easy jog knobRotary operation Push button operationDisplay board troubleshooting guide Clock SignalControl Signals FTD Drive LinesPower Supply Unit P816 Description of P816Description of controller MC44603 Pin connectionsPin function description Pin NameVCC Block diagram of MC44603 Operating description of MC44603Start up sequence of P816 Regulation of P816Ch1 Drain voltage Ch2 Drain current Ch3 Gate voltage Circuit description of P816 Troubleshooting P816 CD Main BoardBlock Diagram DescriptionMeasurements Pin Configuration Input conditions conn 1006 pin Outputs conn Ucoil Vcoil WcoilTest points on driver Hallu Hallv HallwDC Settings HF Path Transfer Characteristics Hfdet SettingIIS CLK11 Nmute DAC Amplifier Wiring Diagram PinkWY01at conn.F934of WY02 WY03 WY04 CDR main board 10 D5V WC01at conn.1209 WC02at conn.140012V CD W801at conn.1500Block Diagram CDR Main BoardSchematic Diagram and Parts Location PY46Switching Power Supply PCB. P816 Q810 Q801 Q891 Q871 Q825 Q861 Q862 Q851 Q892QN54 QN53 QN58 QN57 Q311 Q681 QF52 QF51 QN52 QN51 QG56 QN55 QY01 QY02 QY04Exploded View and Parts List Packing Not Standard Spear PartsElectrical Parts List Ceramic CAPElectroly CAP P816-POWER Circuit Board P816-CAPACITORS P816-RESISTORSP816-SEMICONDUCTORS P816-MISCELLANEOUSPP16-REAR Panel Circuit Board PP16-CAPACITORS PP16-RESISTORPP16-SEMICONDUCTORS PP16-MISCELLANEOUSPY36-ROTARY Encoder Circuit Board
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