49
KEH-P4850J
General
Power source .......... 14.4 V DC (10.8 – 15.1 V allowable)
Grounding system ........................................ Negative type
Max. current consumption ........................................ 8.5 A
Dimensions
(DIN) (chassis) ...... 178 (W)
×
50 (H)
×
155 (D) mm
(nose) ............ 188 (W)
×
58 (H)
×
19 (D) mm
(D)
(chassis) ...... 178 (W)
×
50 (H)
×
160 (D) mm
(nose) ............ 170 (W)
×
48 (H)
×
14 (D) mm
Weight ...................................................................... 1.2 kg
Amplifier
Continuous power output is 17 W per channel min. into 4
ohms, both channels driven 50 to 15,000 Hz with no more
than 5% THD.
Maximum power output ...................................... 40 W
×
4
Load impedance .......................... 4
Ω
(4 – 8
Ω
allowable)
Preout maximum output
level/output impedance ............................ 2.2 V/1 k
Ω
Equalizer (3 band equalizer)
(Low) .............................................................. ±12 dB
(Mid) .............................................................. ±12 dB
(High) .............................................................. ±12 dB
Loudness contour
(Low) .................. +3.5 dB (100 Hz), +3 dB (10 kHz)
(Mid).................. +10 dB (100 Hz), +6.5 dB (10 kHz)
(High).................. +11 dB (100 Hz), +11 dB (10 kHz)
(volume: –30 dB)
Cassette player
Tape ........................ Compact cassette tape (C-30 – C-90)
Tape speed ...... 4.76 cm/sec.(+0.14cm/sec.,-0.05cm/sec.)
Fast forward/rewinding time .... Approx. 100 sec. for C-60
Wow & flutter .......................................... 0.09% (WRMS)
Frequency response .......... Metal: 30 – 16,000 Hz (±3 dB)
Stereo separation ...................................................... 45 dB
Signal-to-noise ratio .................... 61 dB (IEC-A network)
FM tuner
Frequency range ...................................... 87.5 – 108 MHz
Usable sensitivity .................................................... 11 dBf
(1.0
µ
V/75
Ω
, mono, S/N: 30 dB)
50 dB quieting sensitivity .... 16 dBf (1.7
µ
V/75
Ω
, mono)
Signal-to-noise ratio ...................... 70 dB (IEC-A network)
Distortion .......................... 0.3% (at 65 dBf, 1 kHz, stereo)
Frequency response ...................... 30 – 15,000 Hz (±3 dB)
Stereo separation .......................... 40 dB (at 65 dBf, 1 kHz)
AM tuner
Frequency range ........................ 531 – 1,602 kHz (9 kHz)
530 – 1,710 kHz (10 kHz)
Usable sensitivity .............................. 18
µ
V (S/N: 20 dB)
Selectivity .................................................. 50 dB (±9 kHz)
50 dB (±10 kHz)
SW tuner
Frequency range .......................... 3.2 – 25.7 MHz (5 kHz)
Usable sensitivity .............................. 20
µ
V (S/N: 20 dB)
Selectivity .................................................. 20 dB (±5 kHz)
8.2 SPECIFICATIONS
Содержание KEH-P4850J
Страница 4: ...4 KEH P4850J 2 2 EXTERIOR ...
Страница 6: ...6 KEH P4850J 2 3 CASSETTE MECHANISM MODULE ...
Страница 13: ...13 KEH P4850J 5 6 7 8 A B C D 5 6 7 8 PE5053A CD 2 2dBs M CONTROLLER 8V REGULATER IP BUS A b A a A b ...
Страница 14: ...14 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 3 2 TUNER UNIT B PA4023B B A ...
Страница 15: ...15 KEH P4850J 5 6 7 8 A B C D 5 6 7 8 B ...
Страница 16: ...16 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 CAW1543 3 3 KEYBOARD UNIT C ...
Страница 21: ...21 KEH P4850J 5 6 7 8 A B C D 5 6 7 8 A SIDE A B CN251 D IP BUS ...
Страница 22: ...22 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT ...
Страница 23: ...23 KEH P4850J 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...
Страница 24: ...A B 24 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 4 2 TUNER UNIT B SIDE A B TUNER UNIT L5 T231 L2 L52 ...
Страница 25: ...25 KEH P4850J 1 2 3 4 A B C D 1 2 3 4 B SIDE B B TUNER UNIT ...
Страница 26: ...KEH P4850J A 1 2 3 4 B C D 1 2 3 4 LCD1901 4 3 KEYBOARD UNIT C C KEYBOARD UNIT 26 SIDE A ...
Страница 27: ...27 KEH P4850J 1 2 3 4 A B C D 1 2 3 4 C C KEYBOARD UNIT CN601 A SIDE B ...
Страница 38: ...38 KEH P4850J 7 GENERAL INFORMATION 7 1 PARTS 7 1 1 IC CXA2559Q ...
Страница 42: ...42 KEH P4850J 7 1 2 DISPLAY CAW1543 COMMON SEGMENT ...
Страница 44: ...44 KEH P4850J 7 3 BLOCK DIAGRAM B A D F E C ...