Philips ARG-300 Service Manual

Compact design MP3-CD Black CD Soundmachine

ARG300/77

CONTENTS

Technical Specification......................................................................1-1..1-5

Version Variation.......................................................................................2-1

Safety Instruction......................................................................................2-2

Block diagram...........................................................................................3-1

Wiring diagram ........................................................................................3-2

Circuit Diagram

Main + KEY board....................................................................................4-1

Main board................................................................................................4-2

Layout diagram

MAIN BOARD Layout.........................................................................5-1 5-2

KEY La y ou t ......................................................................................5-3

Explode Drawing.......................................................................................6-1

Copyright 2011 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.

Published by LZ 1147 Subject to modification

Version 1.0

3141 785 37070

TECHNICAL SPECIFICATION

General description:

LIFETIME : 5 YEARS (ACC. TO UAN-D1611)

PERFORMANCE CLASSES :

TUNER

SUPPLY,

AMPLIFIER

SPEAKER

BOXES

RECORDER CLOCK CD USB TELEPHONE

REC.

PLAYER

I x x 3

II x 4

III 5

SAFETY REQUIREMENTS:

EN 60065 (IEC 65) CE ,

RADIATION, IMMUNITY REQUIREMENTS: (EMC)

EN55013, .EN55020 , (Version 55 approbation CB only )

CLIMATIC REQUIREMENTS: (acc. to UAN-D1590) All climates: -10 qC till +50 qC (Functional); Set has to be pre-conditioned for 2 hour, except CD function 8 For all measurements: 25 qC 9

POWER SUPPLY:

MAINS (AC) operation DC (int. or ext.) operation / Backup Buffer

Voltage selection:

See table below

Battery type: minimum operating voltage :

Selection:

See table below

Lifetime:

Frequency:

See table below

External DC: No 12

POWER CONSUMPTION:

Power off mode: d5W typ. 3 W (power off mode) Standby: 0nW (power off mode) 13 Maximum: 15 W Maximum: 14

General:

Q and R according to production division rules : Q < 1% (Major), Q < 4% (Minor) Measured according to: R <

3% (CE52)

DERIVED VERSIONS: APPROBATION

Version

AC Voltage/

Frequency on type

plate

Safety

Tolerance

Tuner Refer to version

chart

230VAC

50HZ

+/-15% FM ,MW

REMARKS:: 16

1-1

1-2

TUNER PART

TECHNICAL description:

AM (circuitry) FMAM (active components) FM RF

SI4831 SI4831

2 Detector 3 Decoder

GENERAL part:

WAVE RANGE TOLERANCES

TUNING STEP(mm/10khz)

FM (77 version) 87 –108MHZ LOW : +0.3/-0.3MHZ

HIGH: +0.4/-0.4MHZ

0.025 6

AM (77 version)

50 –1710KHZ

LOW: +30KHZ /-30KHZ HIGH: +40KHZ /-40KHZ

AERIAL:

MW Ferrite Bar : 60 mm /D 10mm FM telescope : 430 mm 11

FM wire : N/A Execution - N/A 12

INDICATORS:

Pointer stroke: Execution pointer: 13 Knob indication over: Field Strength: 14

ELECTRICAL DATA:

AM:

om. limit FM:

nom.

limit

RATED OUTPUT POWER 10% THD 80%Mod 120dB

1W -6DB

AM Suppression 30 25 dB 15

-3dB limiting point 12 18 dBf 16 Amplification reserve 2 +/- 3dB Amplification reserve 2 +/-2 dB 17 AGC figure of merit 31 25 dBAFC holding range (average) 300 +/- 150 18 Distortion (RF 74 to 94 dBuV/m, m=80%)

5 7%Distortion

(RF 32 to 72 dBuV, mono 'f 100kHz, Stereo : 90% + 9%)

5 7 % 19

Stereo -46dB quieting 40 44 dBuV 20

Cross-talk (RF 1mV,

f 40kHz,

400Hz /1kHz / 5kHz)

21/25/18 18/20/15 dB 21

Strong S/N radio RF 94dBuV/m, m=80%

45 40 S/N radio (A-Weighted, RF 4mV) 53 50 dBA 22

Channel difference 0 3 dB Channel unbalance (250Hz to 6300Hz) 0 3 dB 23 Modulation hum (30% mod) 45 40 Modulation hum (22.5kHz dev) 44 40 dB 24 2, 3th IF harmonics rejection (RF 64 to 94dBuV/m)

21 18 8, 9,10th harmonics whistle 35 30 dB 25

Overall frequency response (-3dB) 60

1.5

120 Hz

1.3k Hz

Overall frequency response (+/- 3dB, 1kHz ref)

- 50us

12k

80 Hz

10k Hz

Oscillator stop voltage

230V setting 190 192 Vac

Oscillator stop voltage 1 230V setting 190 192 Vac

Search tuning sensitivity / N/A

Search tuning sensitivity

/ N/A 28

Search tuning stop accuracy RF t D26 to 1mV RF t 1V/m

/ / / /

N/A

Search tuning stop accuracy

- 20uV ~ 20mV

- 20mV ~ 500mV with step size = 50kH

- 20mV ~ 500mV with step size > 50kHz

/ /

N/A

Search time of total tuning range / N/A Search time of total tuning range N/A 30

45KHZ

3kHz

IF 218kHZ

3kHz

Frequency drift vs temp.

-10qC to 10qC 10qC to 30qC 30q to 50qC

0.7 / 1000 * operating frequency

Frequency drift vs temp.

15KHZ/eC 10KHZ/eC 15KHZ/eC

Dial calibration 5 7% Dial calibration -1.2 +/- 1.5MHz 33 Stereo On point (Pilot deviation : 6kHz) 14 15.5 dBuV 34 Switching on – 6dB 35

wave range Sensitivity for 50mW

noise limited sensitivity

(26dB)

Image

rejection

IF rejection

large

signal

Selectivity

S9/300kHz

bandwidthB+3dB

nom.

19 21 55 130dBf 21 36

lim.



50 125dBf 19 37

nom.

68 35 28 1000 21 3.0 38

lim.

72 28 24 500 16 >2.5 39

unit

PV/m

V/m

dBI

dB dB dB

mV/m

dB kHz

REMARKS:

TECHNICAL SPECIFICATION

1-3

SUPPLY, AF-AMPLIFIER & LOUDSPEAKER PART:

TECHNICAL description:

Power supply Tone Control AF-Amplifier Loudspeaker Active components

&D8227

Passive components 2 X 1 W, 8ohm 2 3

GENERAL part:

Headphone type

one 4

Loudspeaker filter, high pass

one 5

Loudspeaker filter, low pass

one 6 Power stage protection AC – NO; DC - NO; Temperature – YES; Short circuit – NO 7 Public address

o 8

INDICATORS:

Output power or VU-meter

o : digits: 9 Frequency response

o : digits: 10 Low power (battery)

o 11

ELECTRICAL DATA:

TONE/EQUALIZER/DBB Balance control

o 12 Mechanical noise (ISO 1996) 13 Noise overall (ISO) 14 Channel difference at 50mW 15

Hum (vol.max.-20dB to vol.min.) Limit: 200 nW 16

Residual noise (volume minimum) Limit: 260 nW 17

Input sens.: Nom. 500mV mV

for 50mW Limit: mV

Line outp.: Nom. mV

voltage Limit: mV

OUTPUT POWER:

Mains operation: D=10% 2 X 1W



Limit: - 1dB 18

Battery operation: D=10% 2 X 1W



Limit: - 1dB 19 Music power (MPO) / Peak-MPO (PMPO): (acc. to DIN45324) 20 Short term maximum output power: - (acc. to IEC 60268-15) 21 Long term maximum output power: - (acc. to IEC 60268-15) 22 Headphone output voltage/power: 23 Bandwidth FTC – 1dB at: n.a. (acc. to FTC/16/1/D/432) 24 Bandwidth DIN – 3dB at: - (acc. to IEC 60268-15) 25 Frequency response at Vol. max – 20dB:

typ. 60Hz to 16kHz (

3dB)

26 DBB raise level Disc SBC429 Track 12

LOUDSPEAKER (output):

Low pass crossover frequency: - kHz tolerance: Hz 27 High pass crossover frequency: - kHz tolerance: Hz 28 Short term maximum output power: - W (acc. to IEC 60268-15) 29 Long term maximum output power: - W (acc. to IEC 60268-15) 30 Frequency response at: - Hz kHz 31

REMARKS:

27 : Measured in Tuner mode; 28: CD or LINE IN mode.

TECHNICAL SPECIFICATION

1-4

CD-PART: (SANYO DA11B3VF CD MECHANISM) (BALL type)

Technical description:

Input Output Motor/control Logic control 1 Active components TC94A77FG-203 2 Passive components 3 Signal processing D/A converter HF-preamplifier Servoprocessor 4 Active components CD:

TC94A77FG-203

CD: TC94A77FG-203

D9258PH

Passive components 6

Indicators/Display/Keys:

Display: LCD for Track No. display 3 Digit 7 Keys: Slide switches & tact switches 8 Playability: (acc. to AHR-82-Gbu-00-4201)

Limit Typical Testdisc 9 Wedge

600

m 900 Pm

TNO 7,9 of SBC 444A

(7104 099 24990) 10

Eccentric

150

m 200 Pm TNO 1,24 of 200Pm disc (7104 099 24960)

Fingerprint

o audible defect TNO 11of Subchassis 8A 12

Black dot

500

m 600 Pm

TNO 13, 14 of SBC 444A

(7104 099 24990) 13

Double black dot

o failure TNO 9 of Subchassis 8A 14

Skew 0.6 deg, 8cm

o audible defect TNO 1,6 of 0.6deg C, 8cm skew disc 15

Bad HF track

o audible defect TNO 8 of Subchassis 8A 16

Heavy fingerprint

o track jumps/plops TNO 10 of Subchassis 8A 17

Maximum diameter

o audio effect Last TNO of Subchassis 8A 18

Thick disc

o failure Thick test disc 19

Thin disc

o failure Thin test disc 20

Vertical deviation disc No failure TNO 1,16 of ABEX TCD-732RA

(VDD +/- 0.5mm)

Playback position Horizontal, Normal position (Set is located on a flat surface, floor) 22

- Playback of above mentioned tracks possible without track loss or audible defects. 23

- This unit can playback CD-R or CD-RW discs.

Shock resistance: (acc. to AR 13-A6-CD-068) r Z axis

5 G 24

r X or Y axis

5 G 25

Acoustical noise:

Mode: Play/Pause 35 dBA max. (45 dbA in Search mode) 26 Mode: Jump (Next) 45 dBA max. 27

Acoustic feedback:

Acoustical feedback is not allowed.

Test disc TNO 2,6,11,18,19,20 of SBC444 , 10% THD o/p , DBB on

AUDIO part: (Measured with Audio Signals Disc-1, 7104 078 04911 on Speakers or Headphone socket with nom. load)

Typ. Limit Output level (TNO1) 2.85V 28 SNR unwtd. 60 dB 50 dB 29 SNR wtd. dBA 62 dBA 57 dBA 30 Crosstalk (1kHz) TNO 67, 71

35 dB 30 dB 31

Crosstalk (other range)

TNO 66 – 73 (16 TO 16KhZ)

35 dB 30 dB 32

Frequency response

Vol.max.–20dB (DBB on)

-1.5dB

-1dB

3dB at 80Hz

r3dB at 12.5kHz

Frequency response at DBB off (+/- 3dB)

80Hz

12.5k

100 Hz 10 kHz

THD (1kHz, 0 dB) 1% 1.5 % 35 THD (overall frequency

response range, 0dB)

2 % 3 % 36

Channel difference 0.5 dB 2 dB Residual Noise Volme Min 1.8MV 37 Frequency accuracy - +/-0.5 % Hum Volme Min 1.8MV 38 De-emphasis

s / 50Ps Switchable via Subcode information

REMARKS:

- Amplification reserve for CD = +2dB (r2dB); Ref. Level for CD is a 1kHz, -6dB (Audio signal disc 1, track 35)

TECHNICAL SPECIFICATION

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