Akai DV-R3110SS, Руководство по обслуживанию

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(FM) SECTION, FREQUENCY, MODULATION
UNIT NOMINAL LIMIT
1. Tuning Range MHz 87.5 - 108 -
2. I.F. MHz 10.7 ±0.3
3. 30dB S/N 90MHz µV 20 25
98MHz µV 20 25
106MHz µV 20 25
4. -3dB Limit Sens. dB 16 30
5. I.F. Rej. 98MHz dB 60 50
6. Image Rej. 106MHz dB 30 23
7. Spurious Rejection (F+0.535MHz) dB 40 35
(Max. Sens. + 6dB)
8. AM Suppression (60dB I/P) dB 45 30
9. Mod. Hum (60dB I/P) dB 48 42
10. Distortion at 1mV/m (Mono) 22.5kHz % 1 2
100mV/m 75kHz % 3 5
11. Audio Fidelity, (-3dB) (Pre-emphass) (50µS) (FR.FL) Hz 60/9000 120/6000
30% 400Hz for AM 60% for Power
SUBWOOFER 100 Hz 36 30
12. Power Out, 10% THD (55K DEV) 1K=1mV W 15 13
Subwoofer Power out, 10% THD (55K DEV) 100Hz=1mV W 25 22
13. Low Voltage AC % 80 85
14. S/N Ratio at 1mV 98MHz dB 52 46
15. Alternate Channel Selective ±400 kHz dB 25 18
16. Stereo Separation dB 26 22
17. 19kHz Leak Carrier dB 32 27
18. Stereo LED Indication dB 26 30
19. Step Frequency kHz - 100
20. Auto Stop Sens. dB 26 32
21. Minimum VOL Hum mV 1.0 3.0
REMARKS:
NOTE: All measurement should be done at bypass mode without EQ effects.
TEST ITEMS
MW/FM STEREO & RDS TUNING WITH DVD PLAYER (for VDE)
FM STEREO & RDS SECTION 37.5kHz UNIT NOR LIMIT
(MAIN+SUB 75kHz (PILOT) 1.2K (RDS) DEV & 1kHz INPUT
1. Stereo Separation L/R dB 30 25
1mV Input R/L dB 30 25
L/R dB 30 25
R/L dB 30 25
L/R dB 25 18
R/L dB 25 18
2. 98MHz dB 5 <18
3. 98MHz dB 34 34±8
4. 98MHz dB 28 <36
5. 98MHz dB 28 <36
6. 98MHz dB 28 <36
7. 98MHz dB 28 <36
MOD FREQ 100Hz
MOD FREQ 1kHz
MOD FREQ 10kHz
Stereo On Sensitivity
TA Seek Sensitivity
S.N.C (SEP=10dB)
RDS Indicatioor Sensitivity
RDS Seek Sensitivity
TA Indicator Sensitivity
VIDEO SECTION
UNIT NOMINAL LIMIT
1. Signal Level (LT2-1) Composite V(pp) 1.0 ±0.2
75 Terminated S-Y V(pp) 0.714 ±0.2
Oscilloscope S-C (Burst) V(pp) 0.286 ±0.05
75% Color Bar Component-Y V(pp) 0.714 ±0.2
2. Frequency Char. Composite 1.0 / 0.5MHz dB 0 ±2.0
(LT2-1, REF=0dB 0.5MHz, L156 VM700A 2.0 / 0.5MHz dB 0 ±2.0
Composite) 4.0 / 0.5MHz dB 0 ±2.5
4.75 / 0.5MHz dB 0 ±2.5
5.75 / 0.5MHz dB -2.0 +3-4
3. Frequency Char. S-Y 1.0 / 0.5MHz dB 0 ±2.0
(LT2-1, REF=0dB 0.5MHz, L156 VM700A 2.0 / 0.5MHz dB 0 ±2.0
S-Y 4.0 / 0.5MHz dB 0 ±2.5
4.75 / 0.5MHz dB 0 ±2.5
5.75 / 0.5MHz dB -2.0 +3-4
4. Composite Video-S/N 100K-4.2MHz dB 60 50
(LT2-1) One Line Only (SC TR ON)
L131 VM700A
5. S-Y S/N (LT2-1 One Line Only) 100K-4.2MHz (SC TR ON) 60 60 50
6. Color-AM Color-PM (One Lone Only) 100Hz -500kHz dB >40
(LT2-1, L131 VM700A) dB >40
TEST ITEMS
Ω
PERFORMANCE SPECIFICATIONS - CONTINUED PERFORMANCE SPECIFICATIONS - CONTINUED
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