Fisher AD 925 Schematic
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Extracted text from Fisher AD 925 Schematic (Ocr-read)
Page 1
SERVICE MANUAL
COMPACT DISC PLAYER WITH
REM-923R WIRELESS REMOTE
CONTROL
I FISHER
AD-925
( EUROPE )
137 336 42
SPECIFICATIONS
System .......................................... Compact disc digital audio PROGRAM FUNCTIONS
Remote Control (REM-923R) .................................. 6-function, Program Memory .............................................. 16 selections
wireless remote control Repeat Play ............................................. One track/all tracks
AUDIO CHARACTERISTICS /all programmed tracks
Frequency Response ...................... 20 Hz - 20 kHz $0.5 dB Program Reset ................................ With STOP button during
Harmonic Distortion ....................... Less than 0.07 °/o (1 kHz) PROGRAMMED PLAY mode
(20 kHz Low Pass Filter) Pause ..................................................................... Each track
S/N Ratio ...................................................... More than 90 dB Disc Loading ...................... Motor-driven, horizontal loading
Wow and Flutter ............................. Below measurable limits DIGITAL SIGNAL PROCESSING
Channel Separation ......................... More than 80 dB (1 kHz) Optical Pickup ................................................... 3-beam laser
Output Voltage (maximum) ......................................... 2 Vrms Sampling Frequency ................................................. 44.1 kHz
FUNCTIONS Filters ............................... 8 times oversampling digital filter
Track/Program Selection ..... With FFWD and FBACK buttons 2-pole active filter
Index Selection .............. With SCAN/INDEX H and I4 buttons D/A Conversion .................. 16-bit linear, Dual D/A converter
Scanning (fast forward/fast back) GENERAL
Play mode: ........................... 2-speed search with sound Power Requirements (50 Hz) .................................... AC 220V
Each/Remain/Total Time Display ............... With TIME button 20 Watts
during the PLAY mode Dimensions (W x H x D) ........................... 440 x 100 x 260mm
Weight (approximate) ..................................................... 3.6kg
- Specifications and design are subject to change without notice. -
REFERENCE No. WM-57041 2