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LOCATION OF PRINTED CIRCUIT BOARDS
PCS 103 752
MPEG
BOARD
MATRIX
SURROUND
BOARD
POWER
SUPPLY
BOARD
L/R
AMP.
BOARD
TUNER
BOARD HEADPHONE
BOARD
AF6
BOARD
CD BOARD
CD KEY BOARD
ETF7
BOARD
FRONT
BOARD
KARAOKE
BOARD
/21M /21K /22 /37
Aux Inxxxx
Line Outxxxx
Surround Out
Subwoofer Outxxxx
Digital Out
Video Out x x
Matrix Surround x x
Dolby B
RDS x
News x
Incredible Surroundxxxx
Karaoke Features x x
Voltage Selector x x
Low Power Standby (Clock Display Off)
Tuner board - ECO5 Sys x x x
Tuner board - Tuner 95 x
Surround Speakers x VERSION VARIATIONS:
Type /Versions: FW-V55 FW-M55
Features &
Board in used:
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SPECIFICATIONS
GENERAL:
Mains voltage : 110-127V/220-240V Switchable for /21/21M
120V for /37
220-230V for /22/34
Mains frequency : 50/60Hz
Power consumption : < 15W at Standby
75W at 1/8 rated power out
Clock accuracy : < 4 seconds per day
Dimension centre unit : 265 x 310 x 390mm
TUNER:
FM
Tuning range : 87.5-108MHz
65.81-74MHz for /34
Grid : 50kHz (& 30kHz for /34)
100kHz for /37
IF frequency : 10.7MHz ± 25kHz
Aerial input : 75ohm coaxial
300ohm click fit for /37
Sensitivity at 26dB S/N : < 7µV
Selectivity at 600kHz bandwidth : > 25dB
Image rejection : > 25dB [> 75dB]
Distortion at RF=1mV, dev. 75kHz : < 3%
-3dB Limiting point : < 8µV
Crosstalk at RF=1mV, dev. 40kHz : > 18dB
MW
Tuning range : 531-1602kHz
530-1700kHz for /21/21M/37
Grid : 9kHz
10kHz for /21/21M/37
IF frequency : 450kHz ± 1kHz
Aerial input : Frame aerial
Sensitivity at 26dB S/N : < 4.0mV/M
Selectivity at 18kHz bandwidth : > 18dB
IF rejection : > 45dB
Image rejection : > 28dB
Distortion at RF=50mV, m=80% : < 5%
LW
Tuning range : 153-279kHz
Grid : 3kHz
IF frequency : 450kHz ± 1kHz
Aerial input : Frame aerial
Sensitivity at 26dB S/N : [< 7.0mV/M]
Selectivity at 18kHz bandwidth : [> 22dB]
IF rejection : [> 26dB]
Image rejection : [> 35dB]
Distortion at RF=50mV, m=80% : [< 5%]AMPLIFIER:
Output power (6ohm, 1kHz, 10% THD)
L & R (FW-V55/21M/21K) : 2 x 50W
L & R (FW-M55/22) : 2 x 40W
Output power (6ohm, 60Hz-12.5kHz, 10% THD)
L & R (FW-M55/37) : 2 x 45W
Frequency response within -3dB : 40Hz-20kHz
Dynamic Bass Boost : BEAT, PUNCH, BLAST, DBB OFF
Incredible Surround : IS ON (12 steps) , IS OFF
Digital Sound Control :
Optimal, Classic, Techno, Jazz, Rock, Vocal
Input sensitivity
Aux in (FW-V55/21M/21K) : 500mV ± 2dB at 1 kohm
Aux in (FW-M55/22/37) : 1V ± 2dB at 1 kohm
Microphone : 4.5mV ± 2dB at 600 ohm
Output sensitivity
Line out : 500mV ± 2dB at 22 kohm
Subwoofer out (max. vol.) : 1.5V ± 2dB at 22 kohm
Headphone out : 15mW ± 2dB at 32 ohm
CASSETTE RECORDER:
Number of track : 2 x 2 stereo
Tape speed : 4.76 cm/sec ± 2%
Wow and flutter : < 0.45% (IEC)
Fast-wind/Rewind time C60 : 130 sec
Bias system : 75kHz ± 10kHz
Rec/Pb frequency response within 8dB : 80Hz - 12.5kHz
Signal to noise ratio (Unweighted), IEC I : > 43dB
Signal to noise ratio (Unweighted), IEC II : > 47dB
VIDEO CD:
Audio Performance
Measurement done at output conn. of the CDC module.
Frequency response within ± 3dB : 20Hz - 20kHz
Signal to Noise ratio (A-weighted) : > 80dBA
THD + noise (1kHz) : > 60dB
Channel unbalance (1kHz) : < 2dB
Channel separation (1kHz) : > 60dB
De-emphasis : 0 or 15/50 mS (Switched by subcode
on the disc)
Video Performance
Video output level : 1.0 ± 0.2Vp-p
Luminance non-linear distortion : < 5%
Luminance S/N (Unweighted, PAL) : > 50dB
[....] Values indicated are for "Tuner 95 Board" only
PCS 103 753
