Philips as 305 service manual

Page 1

Midi System AS305/o1/31

Some
Some
Servroe

Service Manual

For repair inlon'nation oi the cassette mechanism see
Sen/ice Manual of Recorders tape deck RON-5

For repair information of the Record playersae Service
Manual oi Record player HP7D277-1 and DL-40.

CONTENTS :

Picture. Connections and Controls ..

Specifications .........
Set Wiring Diagram.
Deck Alignment .
Power ................

Safety. E80 and Component symbol .

Tuner .................... .

Feature ....................
Tape core ..
Exploded View ........

Mechanical Stockhst
Electrical Panstist

.circuit diagram ..

circuit diagram
component layout

adjustment table ..
component layout
circuit diagram .....
component layoutt
circuit diagram .....
component layout

Pour wove secunté. ms ornaments
datum 6M ilIIIEéS par dos weara-
Inotcs agrees. souls Mixtures e W
votre updated on panne

I Puoitsnea by Consumer Electronics Printed in The Netherlands Copyright reserved Sun-reel to modification

4822 725 23211

PHILIPS

@9920 00 o

0

CONNECTIONS AND CONTROLS

1 Power Switch 1263

2 Graphic Equalizer 3507,3509
3511

3 Power indicator 6182

4 Record player

5 LW ~ MW I103

6 AM - FM 1103

7 Mometeroo Switch 1103

8 Tuning knob 2100

9 Stereo indicator 6181

10 Volume Control 3533

11 D88 switch 6500

12 CDm/ selector 5586

13 Phone selector 6584

14 Deck ll

15 Headphone 1258

16 Pause ll

17 F. Forward ll

18 F. Rewind ll

19 Play N

DONNA)
(JNO

Limnmvom>aoaeaea

ooooo

at.

ease

Slop » Eject ll
Pause |

F. Forward l

F. Rewind |

Play I

Record |

Stop - Elect l

Deck |

Tuner selector
Tape selector

High speed Dubbing
Coaxial socket

SW Antenna wire
CD/TV input
Speaker connection
AC cord

Voltage selectm
Not applicable

Not applicable

Not applicable

6583
6585
6696
1 1 08

1554
1200

1230

SPECIFICATIONS

GENERAL
Mains voltage

Mains irequency
Power consumption
Dimension centre unit

TUNER : FM SECTION

Tuning range

IF frequency

Aerial input

SenSIlivrty at 26dB SfN
Selectivity at : 600kHz bandwidth
lF rejection

Image reiection

TUNEFI : AM SECTION

Tuning range MW
SW

lF lrequency

Aerial input SW

Sensitivity at 26dB Sr'N MW
SW

Selectivity at 18kHz bandwidth

IF rejection

Image rejection MW
8 W

AMPLIFIER

Output power at 10% distortion Mains

Speaker impedance

Frequency response within 1 MB

Equalizer control

Dynamic bass boost

Headphone output at 3212

Input sensitivity CDIT V

CASSETTE RECORDER
Number of track
Tape speed

Wow and flutter

Fast - wind time 060

Bias system

Recording playback frequency response within ~8dB

Signal to noise ratio Normal Flee
Normal dubbing

HS Dubbing

RECORD PLAYER
Type ol drive system
Type of PU Head
Styius force

Speed

Wow and llutter
Rumble

120V ~ 220V
Serviceable
Set at 20V
50 - 60Hz
65W max.
360 x 365 x 375mm

87.5MH2 - 108MHz
10.7MHz

750. coaxiat

< 4pV

> 30dB

> SOdB

> 22dl3

526.5kHZ - 1606.5kH2
3.95MHz-1205MHZ
468kHz

Screw Type

< 2.5mV/M

< 21 OuV

> 20113

> SOCIB

> 30dB

> 61:13

2 x 10W -1dB

2 x 80 UR

63Hz - 14kHz
-6dB to +5dB
+6dB at 100Hz
30mW

( 400mV at 471m

2 x 2 stereo

4,76 cm/sec : 2%

= 2 x 4.76 cm/sec

< 0.35%

130 sec

57kHz i 10kHz

80 -10000Hz Normal recording
80 - 9000Hz Normal dubbing
125 - 8000Hz HS dubbing

> 44:18

> 42dB

> 36438

Belt drive

Sapphire

5.09M +1 .59mlt-1gmf
331/: ;45 rpm i: 2.8%
0.3%

«ands DIN A

-50dB DIN B