Philips MC-M250, Service Manual

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SERVICE TOOLS
TORX T10 screwdriver with shaftlength 150mm.........................................4822 395 50423
TORX screwdriver set SBC 163...............................................................4822 295 50145
Audio signal disc SBC 429........ ..............................................................4822 397 30184
Playability test disc SBC 444...................................................................4822 397 30245
Test disc 5
(disc without errors ) +
Test disc 5A (disc with dropout errors, black spots and fingerprints)
SBC 426/426A.....................................................................4822 397 30096
Burn in test disc (65 min. 1kHz signal at -30 dB level without “pause”).....4822 397 30155
Universal test cassette Fe SBC 420 ........................................................4822 397 30071
anti-static table mat large 1200x650x1.25mm 4822 466 10953
small 600x650x1.25mm 4822 466 10958
anti-static wristband 4822 395 10223
connection box (3 press stud connections, 1M Ω ) 4822 320 11307
4822 320 11305
extendible cable (2m, 2M Ω , to connect wristband to connection box)
connecting cable (3m, 2M Ω , to connect table mat to connection box) 4822 320 11306
earth cable (1M Ω , to connect any product to mat or to connection box) 4822 320 11308
KIT ESD3 (combining all 6 prior products - small table mat) 4822 310 10671
wristband tester 4822 344 13999
AVAILABLE ESD PROTECTION EQUIPMENT
TECHNICAL SPECIFICATIONS
GENERAL
Mains voltage -/21/21M : 120 / 230 V
-/22/30/33 : 230 V
Mains frequency
-/37
-/22/30/33 : 120 V
: 50 Hz
-/21/21M : 50 / 60 Hz
Battery
-/37 : 60 Hz
remote : 3 V (R6 x 2)
Power consumption normal : 60 W
Standby : 3 W
Dimension (W x H x D)
: 223 x 140 x 247 mm
Weight
: 5.6 Kg
AMPLIFIER
Output power mains : 2 x 8 W
Speaker impedance
: 2 x 8 ohm
Frequency response : 100 Hz - 10 kHz (±4dB)
TUNER - FM SECTION
Tuning range : 87.5 - 108 MHz
IF frequency : 10.7 MHz ± 0.02 MHz
Sensitivity
: 16 dBf at 26dB S/N
Selectivity
300kHz : 55 dB
IF suppression : 85 dB
Image suppression : 40 dB
Channel separation
1kHz : 28 dB
TUNER - AM SECTION
Tuning range MW : 531 - 1602 kHz
Tuning range
530 - 1700 kHz for /37
LW : 153 - 279 kHz
IF frequency : 450 kHz ± 1 kHz
Sensitivity MW : ≤ 3.5 mV/m at 26dB S/N
LW :
≤ 4.2 mV/m
Selectivity
MW : < 22 dB
LW : < 35 dB
IF rejection MW : < 64 dB
Spurious rejection ratio MW : < 58 dB
LW : < 51 dB
Image rejection ratio
MW : < 40 dB
LW : < 47 dB
AUDIO CASSETTE RECORDER
Frequency response : 80 - 12500 Hz
Wow & flutter : 0.4 % (DIN)
Tape speed : 4.76 cm/s ± 2 %
Channel difference 1kHz : 0 dB
S/N ratio (unw.) Ferro : 47 dB
Chrome : 50 dB
S/N ratio (wght.) Ferro : 52 dB
Chrome : 56 dB
COMPACT DISC
Frequency response : 20Hz – 20kHz within 1.5dB
S/N ratio (unw.) : > 85 dB
S/N ratio (A-wght.) : > 90 dB
THD+N 1 kHz : > 72 dB
Channel crosstalk : > 50 dB
Channel unbalance : < ±1 dB