Philips AZ380, Руководство по обслуживанию

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TECHNICAL SPECIFICATION
CD-PART:
(SANYO DA11B3VF CD MECHANISM) (BALL type)
Technical description:
Input Output Motor/control Logic control 1
Active components Ali M5676 2
Passive components 3
Signal processing D/A converter HF-preamplifier Servoprocessor 4
Active components CD:
Ali M5676
CD:
Ali M5676
Ali M5676 Ali M5676
5
Passive components 6
Indicators/Display/Keys:
Display: LCD for Track No. display 3 Digit 7
Keys: Slide switches & tact switches 8
Playability:
(acc. to AHR-82-Gbu-00-4201)
Limit Typical Testdisc 9
Wedge 600 P m 900 P m TNO 7,9 of SBC 444A
(7104 099 24990)
10
Eccentric
150 P m 200 P m TNO 1,24 of 200 P m disc
(7104 099 24960)
11
Fingerprint No audible defect TNO 11of
Subchassis
8A 12
Black dot
500 P m 600 P m
TNO 13, 14 of SBC 444A
(7104 099 24990)
13
Double black dot No failure TNO 9 of Subchassis 8A 14
Skew 0.6 deg, 8cm No audible defect TNO 1,6 of 0.6deg C, 8cm skew disc 15
Bad HF track No audible defect TNO 8 of Subchassis 8A 16
Heavy fingerprint No track jumps/plops TNO 10 of Subchassis 8A 17
Maximum diameter No audio effect Last TNO of Subchassis 8A 18
Thick disc No failure Thick test disc 19
Thin disc No failure Thin test disc 20
Vertical deviation disc No failure TNO 1,16 of ABEX TCD-732RA
(VDD +/- 0.5mm)
21
Playback position Horizontal, Normal position (Set is located on a flat surface, floor) 22
- Playback of above mentioned tracks possible without track loss or audible defects. 23
- This unit can playback CD-R or CD-RW discs.
Shock resistance:
(acc. to AR 13-A6-CD-068)
r Z axis
5 G 24
r X or Y axis
5 G 25
Acoustical noise:
Mode: Play/Pause 35 dBA max. (45 dbA in Search mode) 26
Mode: Jump (Next) 45 dBA max. 27
Acoustic feedback: Acoustical feedback is
not allowed.
Test disc TNO 2,6,11,18,19,20 of SBC444 , 10% THD o/p , DBB on
AUDIO part: (Measured with Audio Signals Disc-1, 7104 078 04911 on Speakers or Headphone socket with nom. load)
Typ. Limit
Output level
(TNO1)
3.1V 28
SNR unwtd. 60 dB 55 dB 29
SNR wtd. dBA 62 dBA 57 dBA 30
Crosstalk
(1kHz)
TNO 67, 71
35 dB 30 dB 31
Crosstalk
(other range)
TNO 66 – 73 (16 TO 16KhZ)
40 dB 40 dB 32
Frequency response
Vol.max.–20dB
(DBB on)
-1.5dB
-1dB
r 3dB at 80Hz
r 3dB at 12.5kHz
33
Frequency response at
DBB off (+/- 3dB)
80Hz
12.5k
100 Hz
10 kHz
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THD (1kHz, 0 dB) 1% 1.5 % 35
THD
(overall frequency
response range, 0dB)
2 % 3 % 36
Channel difference 0.5 dB 2 dB 37
Frequency accuracy - +/-0.5 % 38
De-emphasis
15 P s / 50 P s Switchable via Subcode information
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REMARKS:
- Amplification reserve for CD = +2dB ( r 2dB); Ref. Level for CD is a 1kHz, -6dB (Audio signal disc 1,
track 35)
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