Specifications - Akai QX-D3100 Service Manual

SPECIFICATIONS

Specifications may be subject to change without notice.
PERFORMANCE SPECIFICATIONS
GENERAL TEST CONDITION
Power Supply :AC 230V 50Hz
Output Load :8 ohm non-reactive
Reference Output :50mW
Input Signal Source :IRE Loop for AM
:75 ohm dummy for FM
Modulation :30% 400 Hz for AM
:22.5 kHz Deviation 1000 Hz for FM MONO
:75 kHz Deviation for FM MPX
Remarks :7.5 kHz Pilot Tone
:67.5 kHz L + R 1000 Hz
:AC Bias
CD SECTION
TEST ITEMS
1. 10% Dis. Output Power (1kHz, 0dB)
2. Frequency Response (100Hz-20kHz/1kHz, 0dB)
3. De-emphasis Response (1kHz, 0dB/5kHz-4.5dB/16kHz-9dB)
*4. Channel Balance (1kHz, 0dB)
*5. Channel Separation (1kHz, 0dB)
*6. T.H.D. + Noise (1kHz, 0dB)
*7. S/N Ratio (1HF-A) (1kHz, 0dB)
8. Playability: Wedge PHILIPS 444A
Black Dot PHILIPS 444A
Eccentricity TCD-712ABEX
Skew Disc TCD-731RABE
Finger Print PHILIPS 444A
*with external "A" Weighting Filter
Item 1 - 4 Test Disc "CBS SONY YEDS7"
Level Matching Tape (B118N)
Tape (B112N) (For VDE Specical)
CD (-10dB 1K)
AM (55% 5mV/m)
FM (40kHz 1mV)
UNIT NOMINAL LIMIT
W 2 1.6
dB ±2 ±4
dB ±3 ±4
dB 0.5
dB 55 40
% 0.15 0.5
dB 70 60
µm - 500
µm 600 500
µm - 150
mm - ±0.5
Track - No.18
dB 0
dB 0
dB 0 +3/-5
dB 0 ±3
dB 0 ±3
1
(AM) SECTION, AMPLITUDE, MODULATION
1. Tuning Range
2. I.F.
3. S/N 5mV/m
4. Sens. (at S/N 20dB)
5. I.F. Rej.
6. Image Rej.
7. Spurious Rejection
8. Bandwidth, -6dB, at
9. ACA (±9kHz) Input at
ACA (±9kHz) Input at
10. AGC Figure Merit
11. Distortion, 5mV/m, 30%
12. 10% THD Power
13. a. Tweet (2nd IF& 3rd IF)
14. Audio Fidelity, (1kHz = 0dB) 5mV/m
15. a. Dial Cal.,
16. Low Voltage
17. a. Mod. Hum
b. Hum at Min. Vol.
CASSETTE SECTION
1. Tape Speed (B-111LNA)
2. Wow & Flutter Rms (JIS R.M.S.) (B-111LNA)
3. Fast Forwards Time
4. Rewind - Time
5. Frequency Response B-257 (1KHz, 0dB) 125Hz
3
6. Singal to Noise in Play (B-112BN)
7. Separation (MTT-141N)
8. Cross Talk (B-121N) w/BPF
9. Erase Ratio w/ BPF
10. Play Back Distortion (B-118N)
11. Rec. / Playback S/N Ratio (FM 1mV 75kHz Dev.) w/BPF
12. Rec. / Playback Level Difference (Radio)
13. Play Back 10% Distortion-output Per
Channel (B-112BN)
14. Record Play Back Distortion (S.R.L. + 20)
15. ALC Effect Level (55% Mod., 74dB MW)
16. Recovery Time
17. VR Min. Hum & Noise (Motor On) w/o Tape
18. VR Max. Hum & Noise (Motor On) w/o Tape
19. Rec. / Play Frequency Response 125Hz, 6.3kHz
PERFORMANCE SPECIFICATIONS - CONTINUED
TEST ITEMS
1.0MHz
0.6MHz
1.0MHz
1.4MHz
0.6MHz
1.4MHz
1.0MHz
(Max. Sens. +6dB)
1MHz (For VDE)
1MHz (For VDE Specical)
100mV/m
5mV/m, 80%
600kHz
1000kHz
1400kHz
TEST ITEMS
6.3kHz
2
UNIT NOMINAL LIMIT
kHz 517 - 1650 517 - 1650
±8 - ±30
kHz 465 ±5
dB 36 30
dB/m 54 64
dB/m 54 60
dB/m 54 60
dB 40 30
dB 40 30
dB 35 28
kHz 6 4 - 9
dB 20 15
dB 20 12
dB 50 40
% 1 3
% 3 6
W 2 1.7
% - 15
Hz 60 - 2200 120 - 2000
kHz - ±40
kHz - ±70
kHz - ±70
% 80 85
dB 36 30
mV 0.5 2
UNIT NOMINAL LIMIT
Hz 3000 3% / -3%
% 0.35 0.45
Sec. 110 100 - 180
Sec. 110 100 - 180
dB ±3 ±6
dB ±3 ±6
dB 45 35
dB 40 30
dB 40 35
dB 32 26
% 1 3
dB 32 26
dB - ±3
W 2 1.7
% 3 8
dB - ±5
Sec. - <5
mV 0.5 3
mV 30 50
dB - ±6