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Extracted text from philips mc 145 service manual (Ocr-read)
Page 1
REPAIR POLICY OF PCBS
1-1
VERSION VARIATIONS:
Type /Versions:
Features Board in used:MC145
Service policy
DISPLAY BOARD
MAIN BOARD (COMBI BOARD)
* TIPS : C -- Component Lever Repair. M -- Module Lever Repair
-ˆš -- Used
/05 /12 8
5
59
// 61
/
Feature diffrence C
Type /Versions: MC 145
3
9
/
5
8
/
9
7
/
7
3
/
C
C
C
/05 /12 8
5
59
// 3
9
/
5
8
/
9
7
/
7
38
/7 /
61
/
C
C
DISPLAY BOARD C
C
C
8
7
/
Page 2
2 - 1
SPECIFICATIONS
GENERAL:
Mains voltage /37 : 120V
/55/85/98 : 110 / 220V switchable
/12/61/79/93 : 220 -“ 240V
Mains frequency : 50/60 Hz
Power consumption : < 20W max.
< 3W at standby
Dimension center unit : 168 x 224.5 x 214.5 mm
Dimension speaker : 130 x 224.5 x 213 mm
TUNER:
FM
Tuning range : 87.5 - 108 MHz
IF Frequency : 10.7 MHz 20kHz
Sensitivity at 26sb S/N : < 18 V
Selectivity at 600 kHz
Bandwidth : > 45 dB
IF rejection : > 50 dB
Image rejection : > 20 dB
Distortion : < 2%
Crosstalk : > 20 dB
MW
Tuning range /37/55 : 530 -1700 kHz (10 kHz grid)
others : 531 -1602 kHz (9 kHz grid)
Grid : 9/10 kHz
IF Frequency : 450 kHz 3kHz
Aerial input : Inner bar antenna
Sensitivity at 26sb S/N : < 4.4 mV/M
Selectivity at 18 kHz
Bandwidth : > 18 dB
IF rejection : > 45 dB
Image rejection : > 30 dB
Distortion : < 5%AMPLIFIER:
Output power : 2 x 2 W RMS
Speaker impedance : 8 ohm
Frequency response
Within 3dB : 60Hz -“ 16 kHz
Bass Boost ON : 6dB 3dB at 120Hz
Headphone output : 32 mW 2dB at 32
CASSETTE RECORDER:
Number of tracks : 2 x 2 stereo
Tape speed : 4.76 cm/sec +2.5/-1.5%
Wow and flutter : < 0.35% DIN
Fast-wind/rewind time : < 130 sec. With C-60
Bias frequency : 75 10 kHz
Frequency response (PB)
: 125 -“ 8 kHz (8 dB)
Signal to noise radio : > 35 dB with type 1 tape
COMPACT DISC:
No. of programming track : 20
Frequency response
Within 3 dB : 63 Hz -“ 16 kHz
Signal/Noise ratio : 50 dB/A-weighted
Distortion at 1 kHz : < 3%
Channel separation
at 1 kHz : > 25 dB