Fisher DAC 9050 Schematic

Page 1

SERVICE MANUAL

DIGITAL COMPACT DISC
CHANGER

- FISHER

DAG-9.05

(EUROPE)
137 349 40
SPECIFICATIONS

System .......................................... Compact disc digital audio Program Memory .............................................. 32 selections
AUDIO CHARACTERISTICS lntroscan Play ............. 10 seconds/track or 1 ~ 58 seconds,
Frequency Response ...................... 20 Hz. ~ 20 kHz 10.5 dB programmable
Harmonic Distortion with remote controls numbered buttons (0 ~ 9)
(20 kHz Low Pass Filter) ......... Less than 0.005 % (1 kHz) Random Play ........................ With the RANDOM PLAY button
Dynamic Range ............................................ More than 92 dB during the PLAY mode
S/N Ratio .................................................... More than 100 dB Repeat Play ....... One track/all tracks/all programmed tracks
Wow and Flutter ............................. Below measurable limits Program Reset ......................................... With CLEAR button
Channel Separation ......................... More than 95 dB (1 kHz) Checking Program ........ With CHECK button (in STOP mode)
Output Voltage (maximum) ......................................... 2 Vrms Pause ..................................................................... Each track
FUNCTIONS Disc Loading ...................... Motor-driven, horizontal loading

Disc Selection ............... With DISC NUMBER buttons (1 ~ 5) DIGITAL SIGNAL PROCESSING
Track Selection .................... With FFWD and FBACK buttons Optical Pickup ...................................... ' ............. 3-beam laser
or remote controls numbered buttons (0 ~ 9) Sampling Frequency ................................................. 44.1 kHz
Index Selection .............. With SCAN/INDEX H and K buttons Filters .................... 18-bit, 8 times oversampling digital filter
(normal play only) 2-pole active filter
Program Selection ....... With DISC NUMBER buttons (1 ~ 5), D/A Conversion ................ Two 16-bit, linear, D/A converters

FFWD and FBACK GENERAL

buttons, or remote controls numbered buttons (0 ~ 9) Power Requirements (50 Hz) .................................... AC 220V
Scanning (fast forward/fast back) 2-speed search with sound 25 Watts
Each/Remain/Total Time Display ......... With DISPLAY button Dimensions (W x H x D) ........................... 440 x 150 x 320mm
during the PLAY mode Weight (approximate) ..................................................... 6.6kg

- Specifications and design are subject to change without notice. -

REFERENCE No. WM-570351