Philips 22 rc 047 service manual

Page 2

SPECIFICATIONS
Operating voltage
Frequency response

DAC resolution
Bus interface
Crosstalk L<>R
S/N ratio
Distortion

Wow and flutter
Oversampling
Output voltage
Data - Track mute
Anti-shock memory
Disc change times

Operating position
Weight
Dimensions (HxWxD)

SERVICE

IMPORTANT !!

11 - 16VDC
(14.4VDC nom.)
20 - 20,000 Hz
(1: 0.3dB)

1 bit per channel
D23

3 -80dB

2 96dB (weighted)
s 0.02% (at 1kHz)
unmeasurable

8 times

700mV

83 dB (weighted)
3 seconds

< 123%

(to next/previous)
< 13sec

(to last/first disc)
-10° -Horiz.-+30°
1.5 kg
58x178x188 mm
(incl. front panel)

- When disassembling, ALWAYS protect the pick-up unit against ESD damage by closing the solder

connection of the pick-up unit on the flexible foil PCB!

(See also the repair notes and disassembly procedures described in this manual.)

New pick-up units are supplied with CLOSED solder connections on the flexible foil PCB.
Do NOT forget to REMOVE the solder connection AFTER replacing the unit!

2.1 Service hints

22RCO47

To prevent magazine check (duration approx. 35 sec), insert the magazine and press the Eject
button SIMULTANEOUSLY. In that case disc no.1 is loaded and the set comes into Standby mode.
Use home-made' extension cables of approx. 30 cm to get access to the bottom (solder side) of the
main PCB for measuring purposes. To make these cables, the following parts can be ordered and
used for making the extension cables:

CP802 - 4822 320 12463
FPC783 - 4822 320 12429
FP0801 - 4822 320 12462

The set also can operate without cover, but take care of the following measures:
. ABSOLUTELY NEVER PERMIT LASER BEAMS TO ENTER THE EYES !!
0 DO NOT EXPOSE THE SET TO BRIGHT (SUN)L|GHT !!

PCS 92 127