Page 1
1-2
LOCATION OF PCBS
AF9 BoardCD Key Board
Front Board
Power Board
Mains Bo ard
ETF7 Tuner Module
Board
Cass
VERSION VARIATIONS :
Type /Versions:
Features Board in used:FWM372/FWM572
Service policy
TUNER BOARD
* TIPS : C -- Component Lever Repair. M -- Module Lever Repair
-ˆš -- Used
/05 /12 /55 8
9
/
1
6
/
8
5
/
Feature diffrence
RDS /NEWS
VOLTAGE SELECTOR
ECO STANDBY - DARK
-ˆš
-ˆš
-ˆš
C
M
M M
M
Type /Versions:
/05 /12
/55 8
9
/
1
6
/
8
5
/
/37
/93
/37
/93
C
CC CC CC
CC CC
-ˆš
-ˆš
FWM372/FWM572
AF9 BOARD
POWER BOARD
MAINS BOARD
CASS DECK BOARD FRONT BOARD
CD KEY BOARD
USB JACK BOARD
C
M
M C
C
C
C C
Page 2
1-3
SPECIFICATION
GENERAL:
Mains voltage : 230V ± 10% /05/12
127V ± 15% / 240V ± 10% /55/98
Mains frequency : 50/60Hz
Power consumption : < 1W at ECO Standby /05/12
< 15W Standby w/Clock on
< 60W
< 110W Active /FWM372
Active /FWM572
Clock accuracy : < 2 seconds per day
Dimension centre unit : 265(W) x 310(H) x 367(D)mm
TUNER:
FM
Tuning range : 87.5-108MHz
Grid : 100kHz
IF frequency : 10.7MHz ± 20kHz
Aerial input :
Sensitivity at 26dB S/N : < 22dBf
Selectivity at 300kHz bandwidth : > 25dB
IF rejection : > 75dB
Image rejection : > 25dB
Distortion at RF=1mV, dev. 75kHz : < 3%
-3dB Limiting point : < 23.5dBf
Crosstalk at RF=1mV, dev. 40kHz : > 18dB
AM
IF frequency : 450kHz ± 1kHz
Aerial input : Frame aerial 18.1µH
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%
AMPLIFIER:
Frequency response within -3dB : 125Hz-16kHz
Dynamic Bass Boost : DBB OFF, DBB 1, DBB 2, DBB 3
2)
Digital Sound Control : Jazz, Rock, Techno, Optimal 2)
Headphone output at 32K-„¦:700mV ± 2dB
Input sensitivity
Aux / CDR : 350mV /900mVCASSETTE RECORDER:
Number of track : 2 x 2 stereo
Tape speed : 4.76 cm/sec ± 2%
Wow and flutter : < 0.4% DIN
Fast-wind/rewind time C60 : 130 sec
Bias system : 75kHz ± 10kHz
Rec/Pb frequency response within 8dB : 80Hz - 12.5kHz
Signal to noise ratio Type : > 48dBA
COMPACT DISC:
Measurement done at output conn. of the CDC module.
Frequency response within ± 1.5dB : 20Hz - 20kHz
Output level (in Vrms) : 550mV ±1dB, R
out = 100-„¦
Signal/Noise ratio (A-weighted) : > 70dBA
Distortion at 1kHz : < 0.003%
Channel unbalance at 1kHz :±2dB
Crosstalk at 1kHz : > 55dB
De-emphasis : 0 or 15/50 mS (Switched by subcode
on the disc)
MPEG 1 Layer 3 (MP3-CD) : MPEG AUDIO
MP3-CD Bit Rate : 56-256 kbps
MP3-CD Sampling Frequencies : 32 kHz, 44.1kHz,
48kHz
Recording Format : ISO 9660
UDF format not
supported
USB:
Measurement done at speaker terminals across 6-„¦ load
w/ 500mW output and DSC setting in Jazz Mode.
Frequency response within ± 3dB : 100Hz - 16kHz
Signal/Noise ratio (A-weighted) : > 60dBA
Channel crosstalk at 1kHz : > 35dB
Channel unbalance at 1kHz :±3dB
Output power (6-„¦, 1 kHz, 10% THD) : 2 x 60W RMS
:2 x 110W RMS /FWM372
/FWM572 Tuning range : 531-1602kHz
530-1700kHz for /55/98
Grid : 9kHz
10kHz for /55/98 75-„¦ coaxial
