JBL JSR-400, Руководство по обслуживанию

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4
Dolby Pro-Logic Ò A/V Receiver JSR-400
Rear Amp Section
NO. DESCRIPTION INPUT FREQ. REMARK UNIT LIMIT L/R NOMINAL L/R
1 POWER OUTPUT 0.9% THD
CD
1kHz (8) ohms W ³
50 ³ 52
2
TOTAL HARMONIC
DISTORTION
CD 1kHz 1W %
£
1 £ 0.7
3
S/N RATIO DOLBY
IHF-A FILTER, THEATER
HALL
STADIUM
CHURCH
CD R/O dB ³
60 ³ 65
CD R/O dB
CD R/O dB ³
60 ³ 65
CD R/O dB
CD R/O dB
4
FRE RES. (ONLY DOLBY)
±
3dB
CD 1kHz 1W Hz~kHz 100~6 80~7
Center Amp Section
NO. DESCRIPTION INPUT FREQ. REMARK UNIT LIMIT L/R NOMINAL L/R
1 POWER OUTPUT 0.9% THD
CD
1kHz (8) ohms W
³
50 ³ 52
2
TOTAL HARMONIC
DISTORTION
CD 1kHz 1W % £ 1 £ 0.3
3 S/N RATIO IHF-A FILTER
CD R/O dB ³
73 ³ 78
4
FRE RES. LARGE
DOLBY MODE SMALL
CD 1W Hz~kHz 50~15k 30~17k
CD 1W Hz~kHz 120~15k 100~17k
Video Section
NO. DESCRIPTION INPUT FREQ. REMARK UNIT LIMIT L/R NOMINAL L/R
1
OUTPUT LEVEL at 75OHMS
VCR1 (1Vp-p) 1MHz Vp-p 1 ± 0.2 1 ± 0.1
2 FREQUENCY RESPONSE
VCR1 (1Vp-p)
1MHz
Hz~MHz DC~6 DC~6.3
3
S/N RATIO
VCR1 (1Vp-p) 1MHz
dB 40
45
4 CROSS TALK
VCR1 (1Vp-p)
1MHz dB
40 45