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TECHNICAL SPECIFICATION
CD-PART:
(SANYO DA11B3VF CD MECHANISM) (BALL type)
Technical description:
Input
Active components
Passive components
Signal processing
Active components
CD:
TC94A77FG-203
Passive components
Indicators/Display/Keys:
Display: LCD for Track No. display 3 Digit
Keys: Slide switches & tact switches
Playability: (acc. to AHR-82-Gbu-00-4201)
Limit
Wedge
600 m
Eccentric
150 m
Fingerprint
No audible defect
Black dot
500 m
Double black dot
No failure
Skew 0.6 deg, 8cm
No audible defect
Bad HF track
No audible defect
Heavy fingerprint
No track jumps/plops
Maximum diameter
No audio effect
Thick disc
No failure
Thin disc
No failure
Vertical deviation disc No failure
Playback position
Horizontal, Normal position (Set is located on a flat surface, floor)
- Playback of above mentioned tracks possible without track loss or audible defects.
- This unit can playback CD-R or CD-RW discs.
Shock resistance: (acc. to AR 13-A6-CD-068)
5 G
Z axis
5 G
X or Y axis
Acoustical noise:
Mode: Play/Pause
35 dBA max. (45 dbA in Search mode)
Mode: Jump (Next)
45 dBA max.
Acoustic feedback:
Acoustical feedback is
not allowed.
AUDIO part: (Measured with Audio Signals Disc-1,
Typ.
Output level
2.85V
(TNO1)
SNR unwtd.
60 dB
SNR wtd. dBA
62 dBA
Crosstalk
35 dB
(1kHz)
TNO 67, 71
Crosstalk
35 dB
(other range)
TNO 66 – 73 (16 TO 16KhZ)
Frequency response
-1.5dB
Vol.max.–20dB
-1dB
(DBB on)
Frequency response at
80Hz
DBB off (+/- 3dB)
12.5k
THD
1%
(1kHz, 0 dB)
THD
2 %
(overall frequency
response range, 0dB)
Channel difference
0.5 dB
Frequency accuracy
-
De-emphasis
75 s / 50 s Switchable via Subcode information
REMARKS:
- Amplification reserve for CD = +2dB ( 2dB); Ref. Level for CD is a 1kHz, -6dB (Audio signal disc 1,
track 35)
1-4
Output
Motor/control
D/A converter
HF-preamplifier
CD:
D9258PH
TC94A77FG-203
Typical
Testdisc
TNO 7,9 of SBC 444A
900 m
200 m
TNO 1,24 of 200 m disc
TNO 11of
TNO 13, 14 of SBC 444A
600 m
TNO 9 of Subchassis 8A
TNO 1,6 of 0.6deg C, 8cm skew disc
TNO 8 of Subchassis 8A
TNO 10 of Subchassis 8A
Last TNO of Subchassis 8A
Thick test disc
Thin test disc
TNO 1,16 of ABEX TCD-732RA
(VDD +/- 0.5mm)
Test disc TNO 2,6,11,18,19,20 of SBC444 , 10% THD o/p , DBB on
7104 078 04911 on Speakers or Headphone socket with nom. load)
Limit
50 dB
57 dBA
30 dB
30 dB
3dB
at 80Hz
3dB
at 12.5kHz
100 Hz
10 kHz
1.5 %
3 %
2 dB
Residual Noise Volme Min
+/-0.5 %
Hum Volme Min
Logic control
TC94A77FG-203
Servoprocessor
(7104 099 24990)
(7104 099 24960)
Subchassis
8A
(7104 099 24990)
1.8MV
1.8MV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
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