PROLOGY CMD-125 Service Manual

CMD-125

SET BLOCK DIAGRAM

4

12

RF AGC & EQ

Control

Focus OK Detect

Defect Detect Mirror

Gen

Center

Voltage

APC. Laser

Control &

LPC

Tracking Servo Loop

- Gain & Phase

Compensation

- Track Jump

- Offset Adjust

- TZC Gen.

Tracking Error

(RW)

I/V AMP

RF & Focus

Error (CD-RW)

I/V AMP

Hardware Logic

- Auto-Sequencer

- Fast Search

- Febias, Focus Servo,

Tracking Offset ADJ.

- Tracking Balance & Gain

Adjust

- Interruption Detect

- EFM Muting System

Sled Servo &

Kick Gen

Spindle

Servo LPF

EFM

Comparator

Micom Data Interface Logic Decoder

Focus Servo Loop

- Gain & Phase

Compensation

- Focus Search

- Offset Adjust

- FZC Gen.

EQO

PDLDLPFT

TEIO

TZC&

SSTOP

ATSC

TEO

TEM

SLP

SLO

SLM

FEO

FEM

SPDLO

SPDLM

EQI

RFO

RFM

EQC

VREF

PDE

PDF

PDBD

PDAC

ISTAT

MCK

MDATA

MLT

RESET

WDCK

CLVI

LOCK

ASY

EFM

5

454644

43

678

9

10

11

1413 15 16 17 19 18 20 22 21

242330292526272829363334353738

39

41 40424748123

EFMI

DCCI

DCC0

MCP

DCB

VCC/

VDD

FRSH

FSET

FLB

FGD

FSI

TGU

+

Level

shift

Regulator

Mute

+

10k

50k

10k

50k

+

10k

+

1 2 3 4 5 6 8 9 10 11 12 13

15161718192021

22232425262728

10k

TSD

+

Level

shift

Level

shift

Level

shift

10k

+

7 14

DO1.1

DO1.2

DI1.1

DI1.2

REB

REO

MUTE

GND1

DI5.1

DI2

DO2.1

DO2.2

GND2

DI5.2

GND3

DO4 .2

DO4 .1

DI4.2

DI4.1

VR EF

LD CTL

DI3

DO3 .2

DO3 .1

DO5 .2

DO5 .1

+

COMP

Level

shift

V

CC2

FIN

(GND)

V

CC1

FIN

(GND)

2.5V

INTERN AL

ME MOR Y

BAN K X

PCM DATA

I/O

INTERFACEE

MAIN DATA PROCERROR

MP3

Decoding

)

( MULTIPLIER

& ADDER

FRAME

SYNC DET

Side Infor.

PROCESSS

MP3

DECODER

Controller

HEAD

REGISTER

ANCILLARY

DATA

REGISTER

INTERNALL

MEMORY

BANK 2

DECODER

STATUS

REGISTER

MICOM

INTERFACE

WRITEE

REGISTER

Digital

Filterr

Frequency

Synthesizer

TIMING

Generatortor

LCHOUT

RCHOUT

MICOM

Interface

FPLL

Interface

HEADER

OUTPUT

FRAME

Sync Output

MEMORY

CONTROL

DATA

TRANS

BLOCK

CD-ROM

ECC

CD-ROM

MICOMM

REG.

CD-ROM

BLOCK

SYNC

PROT.

EDC

BLOCK

MEMORY I/F

SMEF

SMDS

SMDP

SMON

X Bit

DAC

PWM

LPF

ADPCM

ENC/DEC

ESP

Control

CDP

Interpol.

CDP

ECC

X6K

SRAM

Adress

Gen..

Subcode

Output

EFM

Demod.

Digital

PLL

Digital

Output

Digital

CLV

Servo

VCO

VCOXF

VCO2F

EFMI

SDAT

SBCK

LKFS

DATX

VDD PLL1

VSS PLL

VC OAM

AMIF

VC OFM

FMIF

EO0

EO1

SD IN

BAND1

BAND2

Frequency Control

AM , FM, PLL

Frequency Control

AF Control

RDS D ATA C ontrol

RD S D ATA

RD S C LK

STIN

ST / MONO

LOC

AGC

CD C ON

C IN / O UT

LM TS

SCO R

MP 3 C

MP 3 D

MP 3 M

MC S

MP 3 D

DS P S

SSP S

XR ST

CD P O

CD P S

MD AT

MC LK

MLT

DE CIN

CLS W

EJ SE

LD SE

OP MT

CLM T

US B IN

US B R

US B D

US B C

US B D

TM C51

S/P C

US B R

KE Y0 (D TH SW)

KE Y1

Auto Loading Deck

Control

EVR CLK

EVR D AT

AU X O

CDC

SAN YO PRO TOCAL

CDC

- RA DIO

RDS

A/D KEY

AUX

CDP Control

R / RW / E SP

FLA SH

LCD B LOCK

700 Neo-Chips

Timer interrupt

Port controller

System clock control

SIO0, SIO1 control

LCD control

A/D converter control

(NE O-790N / 790NF

/ 790NR / 790NRF )

VOLUME

LCD CE

LCD DO

LCD CLK

LCD RST

AF-M UTE

CLOS E_SW

OPE N_SW

CLO SE_M

OP EN_M

MOTOR IZED

Electric S e lec tor & Volu me

PT2 313

Tun er Module

PLL

57kHZ

CMP

VSS3

comparator

8th Switched

capacitor filter

anti-aliasing

filter

100k

120k

100k

Analog

Power supply

Digital

Power supply

XI

XO

PLL

1187.5Hz

Bi-phase

decoder

Measurement

circuit

Differential

decoder

T1

T2

RDATA

QUAL

RCLK

Reference

clock

(4)

(3)

(5)

(6)

(12)

(11)

(13)(14)(10) (14)(10) (10)

(7)(8) (8)

(16)

(2)

(9)

(1)

RDS

RDS Dec od er

BU19 24

LCD Di spl ay

MCU

New-7XXX

LCD Dr ive r

PT6 523

IN1

MUTE

ST-BY

IN2

OUT1+

OUT1-

OUT2+

OUT2-

PW-GND

IN3

IN4

OUT3+

OUT3-

OUT4+

OUT4-

PW-GND

AC-GND

SVR

TAB

S-GND

Vcc1

Vcc2

N.C.

Power Amplif ier

TDA 7560

PW-GND

F/L

F/R

R/R

R/L

LCD Data

LCD Clock

LCD CE

Mute

Line - Output

F/R

F/L

F/R

R/R

R/L

F/L

F/R

R/R

R/L

Elect ronic Volume Clock

CET-7XXX

L

R

Tuner R

Tuner L

AM IF

FM IF

AM VCO

FM VCO

Stat i on D etect In

Ster e o Ic on I n

Tune Voltage

Ster e o/Mono

Loca l /DX

L

R

CD-L

CD-R

R F Amplifier & Servo System

S1L 9226

Elect ronic Volume Data

MICOM I/O Data Bus 0

MICOM Date I/F

Address Signal

System Reset Signal

MCU Data

MCU Clock

MCU Latch

Syst e m Re set

Inte r nal Status

EMF outpu t

Sled run away inh ibit

Servo Driver

IP4 001

Pick U p

OPT IMA-725 C2

Phot o Dio de A & C

Phot o Dio de B & D

Phot o Dio de E

Phot o Dio de F

APC Photo Dio de

APC Laser Dio de

Sled Serv o Ou tput

Focu s Ser vo O utput

Track ing Servo Output

Spin d le S ervo Output

Focu s Out put

Track ing Output

Focu s Out put

Track ing Output

Spin d le M otor -

Spin d le M otor +

Sled Moto r -

Sled Moto r +

Load i ng M otor -

Load i ng M otor +

DC 11~16V

Grou n d

DC 3.3V

DC 8V

MCU DC 5V

ACC

RDS DC 5V

DC 11~16V

Tuner Pow er

Cont r olled Power

Tuner Pow er

Key Mat ri x

Key

CD Decoder + ESP

S5L 8310

16M SDRAM

..... .

A0

A9

DQ0

DC 3.3V

DQ15

..... .

88.2 K Hz i nput termin al

CD-DSP Block S ync Singn al

Input(7 5Hz Signa l)

MICOM Data Re ad

Enable Signal

MICOM Data Wri te

Enable Signal

MICOM Data Ch ip

Selecti on Signal

CD-DSP CLV State

DRAM/S RAM Date Wr ite Ena ble Sig nal

Sync DRAM Low Date Input/ Output Mask

R/R

R/L

Line - Output

RDS DC 5V

Rem ote-IR

Remo t e

RDS signa l In

2

SET WIRING DIAGRAM

3

EXPLORED VIEW - MAIN UNIT

(CM12058A)

1

EXPLORED VIEW - MAIN UNIT

(CM12058C)

2

EXPLORED VIEW - MAIN UNIT

(CM12058W)

3