Philips FW-R88 Manuale utente

Location of printed circuit boards . . . . . . . . . . . . . . . . . . . 1-2

Technical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Measurement setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

RC-5 codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Warnings & safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Service Testprogram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Block/Leveldiagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Front Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Tuner Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Audio Frequency Board (AF7) . . . . . . . . . . . . . . . . . . . . . 8

Power Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3 Disc Changer Module. . . . . . . . . . . . . . . . . . . . . . . . . . 10

CD R/W Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Exploded view of set. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1

Partslist of set. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3

FW-R88/21/22/37

Published by HB 0106 Service Audio Printed in The Netherlands Subject to modification ©3103 785 25080

CDR Mini System

CLASS 1

LASER PRODUCT

system or transmitted, in any form or by any means, electronic, mechanical, photocopying,

or otherwise without the prior permission of Philips.

SERVICING

For servicing FW-R88, the set can be divided into two parts:

1.Except for the CD-R/W module all workshops can repair the set on component level.

2.The CD-R/W module can also be repaired at component level with the help of

COMPAIR Release 1.6 and higher.

With this tool the diagnosing of the set can be done in an interactive way. In the tool also the adjustment

procedure has been implemented. This is absolutely necessary in case the CDR MainBoard and/or

(CDR Loader) CDM is disconnected from the matched production combination.

Only designated workshops can perform these repairs.

Please send the complete FW-R88 to the designated workshop.

Table of Contents

1-2

Location of Printed Circuit Boards

DESIGN FRONT BOARD

LIGHT GUIDE BOARD

FRONT BOARD

CDC KEY BOARD

MAINS BOARD

TUNER BOARD

AF7 BOARD

HEADPHONE BOARD

MIC. BOARD

DIG. SWITCH

BOARD

Location of PCB R88 2001 01 14

Attention:

CDC KEY BOARD, LIGHT GUIDE BOARD, MICROPHONE BOARD and DIGITAL SWITCHING BOARD

are part of the FRONT BOARD Chapter 6.

HEADPHONE BOARD is part of the AUDIO FREQUENCY BOARD (AF7) Chapter 8.

2-1

General:

Mains voltage : 120 / 240V switchable (for /21)

: 230V (for /22)

: 120V (for /37)

Mains frequency : 50 ~ 60Hz

Power consumption : 155W at 1/8 PRATED

: 350W at max output

:≤15W at Stand by

:≤2W at ECO Stand by

Tuner:

Tuning range : 87.5MHz - 108MHz

Grid : 100kHz

IF : 10.7MHz

Aerial input : 75Ω

Sensitivity Mono : < 7µV (26dB S/N)

d (RF=1mV,∆f=75kHz) : 3% - typ. 2%

IF rejection : > 60dB

Image rejection : > 25dB

-3dB Limiting Point : < 23.5dBf

Tuning range : 531kHz - 1062kHz

Grid : 9kHz

IF : 450kHz ±1kHz

Sensitivity at 26dB S/N : < 4.0mV/m

d (RF=50mV,m=80%) : < 5% - typ. 3%

IF rejection : > 45dB

Image rejection : > 28dB

Amplifier:

Output power : 2 x 100W at 6Ωnot for /37

2 x 150W at 6Ωfor /37 only

Headphone : 3.5mm stereo jack

Frequency response : 20Hz - 20kHz (-3dB) Limit

Equalizer : Digital Sound Control

Input sensitivity

Aux/Line : 500mV ±2dB

Microphone : 2.5mV ±2dB at 1kHz

CDC unit:

Frequency response within : 20Hz - 20kHz at ±3dB

Signal/Noise ratio : > 94dB (A-weighted)

Distortion at 1kHz,0dB : -90dB

Channel unbalance : < 0.3dB

Channel crosstalk at 1kHz : -60dB

De-emphasis : 0 or 15/50 µS

Laser

Output power : ≤500µW

Wave length : 780nm ±20nm

CDR unit:

CD Playback:

Frequency response within : 20Hz - 20kHz at ±3dB

Signal/Noise ratio : > 90dB (A-weighted)

Distortion at 1kHz,0dB : -80dB

Channel unbalance : < 1dB

Channel crosstalk at 1kHz : -60dB

De-emphasis : 0 or 15/50 µS

Analog recording - digital playback:

Frequency response within : 20Hz - 20kHz at ±3dB

Signal/Noise ratio : > 84dB (A-weighted)

Distortion at 1kHz,0dB : -77dB

Channel unbalance : < 1dB

Channel crosstalk at 1kHz : -60dB

De-emphasis : 0 or 15/50 µS

Laser

Output power : ≤1mW during reading

:≤20mW during writing

Laser class 3B

Wave length : 780nm ±20nm

Technical Specification

2-2

Measurement Setup

Bandpass

250Hz-15kHz

e.g. 7122 707 48001 LF Voltmeter

e.g. PM2534

DUT

RF Generator

e.g. PM5326

S/N and distortion meter

e.g. Sound Technology ST1700B

Tuner SW

To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.

Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).

Ri=50Ω

Aerial replacement

Capacitor

R=50Ω

Bandpass

250Hz-15kHz

e.g. 7122 707 48001 LF Voltmeter

e.g. PM2534

DUT

S/N and distortion meter

e.g. Sound Technology ST1700B

Frame aerial

e.g. 7122 707 89001

Tuner AM (MW,LW)

To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.

RF Generator

e.g. PM5326

Ri=50Ω

Low pass filter 22kHz

LEVEL METER

e.g. Sennheiser UPM550

with FF-filter

S/N and distortion meter

e.g. Sound Technology ST1700B

DUT

Use Audio Signal Disc SBC429 4822 397 30184 (replaces test disc 3)

L.P.F. = 13 th order filter 4822 395 30204

2-3

RC5 Codes

Remote control key

SLEEP

DIM

REPEAT

SHUFFLE

TRACK INCREMENT

VOLUME +

VOLUME -

3

∑

CD, CDR MODE

AUX, TUNER MODE

CD, CDR MODE

AUX, TUNER MODE

INCREDIBLE SURROUND

PURE

LOUDNESS

BALANCE L

BALANCE R

WOOX

WOOX LEVEL

System Code

20, 26

17,20, 21, 26

20, 26

17, 21

20, 26

17, 21

20, 26

Command Code

114

118

Remote control key

Standby

CD1

CD2

CD3

CDR

Tuner

Aux

1 (ABC)

2 (DEF)

3 (GHI)

4 (JKL)

5 (MN)

6 (OPQ)

7 (RST)

8 (UVW)

9 (XYZ)

0 (Space)

YES

EDIT (TEXT)

PROGRAM

TUNER MODE

MUTE

TIMER ON/OFF

System Code

17, 20, 21, 26

17,20, 21, 26

20, 26

Command Code

122

Technical Remarks

2-4

3-33-3

ROTARY ENCODER

TEST

JOG CONTROL

turned ccw

Display shows

for 2s.

JOG CONTROL

turned cw

Display shows

for 2s.

JOG LEFT JOG RIGHT

*To leave Service Testprogram plug mains cord off.

FW-R88 Service Testprogram Main 2001 01 18

Display shows

version number

of the µP - software.

To enter Service

Testprogram hold

STOP & PLAY

buttons

depressed while

plugging mainscord in.

SERVICE TESTPROGRAM

VARIOUS TESTS

stands for Service mode

stands for version number

of the software used in the

front µP.

S-FWR88-VXX

VXX

NTC XX

NTC TEST

Display shows

XX = value in °C

Source = AUX

AUX

button

pressed?

STOP

button

pressed? N

QUARTZ TEST

Display shows

2048Hz can be measured

on pin 9 of µP

button

pressed?

button

pressed?

Tact frequency

(divided 32kHz)

32K

Display shows

1465Hz can be measured

on pin 9 of µP

STOP

button

pressed? N

Tact frequency

(divided 12MHz)

12M

NEW

EEPROM CLEAR

Display shows

for 1 second

Load default data !

TREBLE

button

pressed?

PASS

EEPROM TEST

Display shows

ERR

Display shows

Testpattern is written to

an address

and

read back again

BASS

button

pressed?

STOP

button

pressed?

Test ok?

3-4 3-4

*To leave Service Testprogram plug mains cord off.

Display shows

version number

of the µP - software.

OPEN/CLOSE

button

pressed?

FINALIZE

button

pressed? N

button

pressed? N

button

pressed? N

STOP

button

pressed? N

CDR MECHANICAL TEST CDR DC-ERASE MODE

FOCUS TEST

Objective moves

continuously up/down.

SLIDE TEST TRAY TEST

Display shows:

BUSY

Display shows:

BUSY

for visual inspection only

OPEN/CLOSE

button

pressed? N

Slide moves

continuously in/out. Display shows:

OPENED

(even when tray is blocked)

Tray opens.

Display shows:

CLOSE

(even when tray is blocked)

Tray closes.

Dependent on the

moving direction,

slide moves to inner

or outer end position.

Exit Mech. Testprogram

SERVICE TESTPROGRAM

CDR MODULE

stands for Service mode

stands for version number

of the software used in the

front µP.

To enter Service

Testprogram hold

PLAY & STOP

buttons

depressed while

plugging mainscord in.

FW-R88 Service Testprogram CDR 2001 01 15

CDR

button

pressed?

TEST O.K.?

Display shows for 2s each:

• Software version of DASP

(flash ROM 7703)

• Software version of

basic engine processor

(flash EPROM 7208)

CDR ELECTRICAL TEST

ERASE

button

pressed? N

Disc erased? N

Insert CD-DA disc

before starting the test

MODULE

INFORMATION

MAIN BOARD DIAGNOSTIC

CDR - LOADER TEST

DRAM TEST 7702

Display shows:

DTST1

CHECKSUM TEST 7703

Display shows:

DTST2

ERASE TEST 7208

Display shows:

DTST3

ADC/DAC TEST 7406

Display shows:

DTST4

COMMUNICATION TEST

(DSA-BUS)

Display shows:

DTST5

Display shows:

DERR

n=number of failed test

Display shows next error

FFWD

6button

pressed?

FFWD

6button

pressed?

FFWD

6button

pressed?

FFWD

6button

pressed?

FFWD

6button

pressed? all errors shown?

FFWD

6button

pressed?

TEST O.K.?

Display shows:

BERR 1

FFWD

6button

pressed?

CD-DA disc

inserted?

Display shows actual

playing time.

The test is performed by

playing 5s at beginning,

5s in the middle and 5s at

the end of the disc.

Display shows:

NO DISC

FFWD

6button

pressed?

Exit CDR electrical Test

Complete disc will be

erased with double speed.

(starting from PMA-area

up to and including

ATIP leadout area)

The display shows the

countdown of the

remaining time required

to complete the operation:

ER mm ss

Display shows:

PASSED

mm: remaining minutes

ss: remaining seconds

STOP

button

pressed?

Exit DC-ERASE Mode

Note: With the DC-Erase mode the CD-RW can be

changed back in its original state, like a new disc.

Stopping the erase-function by switching power off

will leave the disc in an unpredictable status!

Exit CDR electrical Test Exit CDR electrical Test

S-FWR88-VXX

VXX

4-14-1

TUNER

ECO 5

TU 95

DIGITAL

IN/OUT

SWITCHING

POWER L/R

Power 5

AMPLIFIER L/R

Power 5

MAINS

Power 5

SUPPLY CDr/w

+5V/-8V/+12V

TRANS-

FORMER

HEADPHONE

MIC-AMP.

With ALC

Mic Mix

AF-BOARD

Version 7 NON DPL

FRONTBOARD

FW 7/8 R Series

3 CDC KEY

LIGHT GUIDE

CD R/W

CDR MINI 99

CD-CHANGER

3CDC 99 DS

FRONTBOARD 2

CDRM 99 (Design front)

STEREO STEREO

TU_CLK TU_CLK

TU_DATA TU_DATA

ENABLE ENABLE

MPX MPX

D-GND D-GND

+12A +12A

LEFT_OUT LEFT_OUT

+5V

MIC MIC

LEFT_IN LEFT_IN

+5V

FFC SIDE ENTRY

EH TOP ENTRY

EH SIDE ENTRY

DIPMATE

BOARD to BOARD JQ

FFC TOP ENTRY

LEGEND

AA-GND AA-GND

D_GND

A_GND

RIGHT_IN RIGHT_IN

D_GND

A_GND

Ac1

Ac1 Ac1

FAN

GND

RIGHT_OUT RIGHT_OUT

+12V

-8V

RIGHT_OUT

LEFT_OUT

RIGHT_IN

LEFT_IN

+12A

A_GND

Ac2

Ac2 Ac2

HP_DET HP_DET

+5V

CDR_I2C_DATA

LED_ON

MIC_KILL

MIC_DET

LED_CLK

MIC_DET

MIC_KILL

DIG_SW0

CDR_I2C_CLK

DATA

CDR_RESET

D_GND

D-GND

D_GND

JOG_A

JOG_B

CDR_KEY1

CDR_KEY2

JOG_VOL_A

KEY_GND

JOG_VOL_B

JOG_VOL_A

KEY_GND

D_GND

LED_STR

DIG_SW1

DIG_SW2 DIG_SW2

D-GND

UP_CLK

DQSY

SRDT

KILL_R/GND

D-GND

SHIELD

EBU_OUT

+3V

KILL_L/GND/OE_L

OE_LATCH

CD_PORE

D-GND

SILD

CD_SH_DATA

SICL

CD_SH_CLK

CD_SH_STR

SW_INFO

+12M

D-GND

+5V CD

CD_R

AA-GND

CD_L

LEFT LEFT

A-GND A-GND

RIGHT

EBU_SIGNAL

EBU_GND

+3V

SHIELD

ANA_OUT_LEFTANA_IN_LEFT AA_GNDAA_GND ANA_OUT_RIGHT

ANA_IN_RIGHT ANA_IN_RIGHTANA_OUT_RIGHT ANA_IN_LEFTANA_OUT_LEFT

SHIELD

RIGHT

+12V +12V

PH TOP ENTRY

PH SIDE ENTRY

XH SIDE ENTRY

0041

1521

1537

1533

1528

8351 ( 280mm )

AWG 26 / 7p

0012

0011

1351

1354

8004 ( 140mm )

1167

1142

1166

8003 ( 400mm )

AWG 26 / 3p

FFC 26 / 6p

1522

SW_INFO

CD_SH_STR

D_GND

CD_SH_CLK

SICL

CD_SH_DATA

SILD D_GND

SRDT

DQSY

UP_CLK

D_GND

D_GND D_GND

D_GND

MIC_DET MIC_DET

MIC_KILL MIC_KILL

SA_IN

HP_DET

NTC

D_GND

PWRDWN

I2C_DATA

I2C_CLK

D_GND

+5V6

-30V

SW_INFO

CD_SH_STR

D_GND

CD_SH_CLK

SICL

CD_SH_DATA

SILD

D_GND

SRDT

DQSY

UP_CLK

SA_IN

HP_DET

NTC

D_GND

PWRDWN

I2C_DATA

I2C_CLK

+5V6

-30V

CDC_KEY

LED

KEY_GND

+5V6

KEY_GND

D_GND

0043 1112

8015 ( 280mm )

FFC 4 p

FFC 19 p

8010 ( 140mm )

8009 ( 280mm )

AWG 26 / 5 p

AWG 26 / 6 p

AWG 26 / 4 p

FFC / 23 p

AWG 26 / 4 p

8008 ( 220mm )

8901

Part of

transformer

(140)

2 p

CHAU / 3 p

8007 ( 180mm )

8014 ( 400mm )

8001 (420mm) (Part of 3CDC Module)

8019 ( 140mm )

1104 1538 1526

1525 1527

1536

30 1263

(340mm)

8323

5 p

4 p

3 p

(340)

8903

1258

(220)

AWG26

1911

0027

1912

1913

1264

13251261

0011

8322

(220mm)

8324

(280)

8325

8350 (220mm)

AWG26 / 4p

8018

8017

9 p

8 p

AWG26

1262

(220mm)

1124

1102

8016

3 p

220mm

8020

3 p

0021

1103

140mm

8016

8012

8011

8006

8002

FFC / 15 p

FFC / 7 p

FFC / 5 p

AWG 26 / 4 p

AWG 26 / 6 p

(120mm)

(280mm)

(340mm)

(280mm)

1160

1501

1704

1130

1420

1702

1162-B

1162-A

1163

1164

1106

1105

0042 0042

+5V6 +5V6

AB AB

D-GND D-GND

PWRDWN PWRDWN

+12M +12M

-30V -30V

A-GND A-GND

+12A +12A

AMP_ON AMP_ON

STBY STBY

+12V M

CDR_ON

+12V M

P_GND

CDR_ON

P_GND P_GND

P_GND

RIGHT RIGHT

CDR_ON

NTC NTC

AA-GND AA-GND

LEFT LEFT

F2 F2

111

AUX IN

LINE OUT

SUBWOOFER

DIGITAL

OUT

CDR_REQKBE

+5V6

SHORTCUT

CONNECTOR

or JUMPER on AF7

I2C SHIFT-

8031

Handsoldered wire on Af7

8030

GND bottom plate

(140 mm)

FAN

(Part of

Powermodule)

Wiring Diagram FW-R8 (2000-02-22)

Wiring Diagram FW-R88

5-1 5-1

Block / Leveldiagram

MIC

Nom.

AUX

MIN

MAX

DS 1

DS 2

BASS

ALC

L&R

ALC

CONTROL

SUBWOOFER OUT

0 dB 150 mV

45 dB

SLOW

MUTE 1

45 dB

SLOW

MUTE 2

SOURCE

SELECTOR

Ri=100K

Part of TDA7437

VOLUME I

Part of TDA7437

SOUND

Part of TDA7437

POWER

AMP

MUTE 1

50 dB

SLOW

VOLUME II

FADER

Part of TDA7437

BUFFER

LEVEL

BUFFER

LEVEL

BUFFER

LEVEL

GAIN

AUX

CDR99

3CDC

TU +2 dB

0 dB

ALC

MIC

1 mV

TUNER

Nom.

110 mV

3CDC99-DS

Nom.

1000 mV

CDR99

Nom.

1000 mV

CDR99

Nom.

500 mV

Headphone out

0 dB

2800 mV

LINE OUT

Nom. 500 mV

Sectrum analyzer

Nom. 4000 mV

DIGITAL IN

Nom. 500mVpp

3CDC99 Dig. out

Nom. 500mVpp

CDR99 Digital in

Nom. 2000mVpp

Digital out

500mVpp / 75Ω

CDR99 Dig. out

Nom.

500mVpp

2200mV

800 mV

x100

AF 7 Board

for details see

Chapter 8

Power Board

for details see

Chapter 9

Digital switching Board

not on all versions

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