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40
KEH-P4800,P4850
Modulation
M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.)
S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.)
NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow
the circuits to stabilize.
FM ADJUSTMENT(UC MODEL)
FM SSG
Displayed
Adjustment
Adjustment Method
No.
Frequency(MHz)
Level(dBf)
Frequency(MHz)
Point
(Switch Position)
TUN Volt
1
•••••
•••••
107.9
L5
DC V Meter(1) : 6V
IF
2
98.1 M
60
—
100
98.1
T51
Center Meter : 0
ANT Coil
3
98.1 M
5
98.1
L2
mV Meter(1) : Maximum
RF Coil
4
98.1 M
5
98.1
L4
mV Meter(1) : Maximum
IFT
5
98.1 M
5
98.1
T31
mV Meter(1) : Maximum
(STEREO MODE)
ARC
6
98.1 S
40
98.1
VR154
mV Meter(1) : Separation 5dB
(STEREO MODE)
FM ADJUSTMENT(ES MODEL)
FM SSG
Displayed
Adjustment
Adjustment Method
No.
Frequency(MHz)
Level(dBf)
Frequency(MHz)
Point
(Switch Position)
TUN Volt
1
•••••
•••••
108.0
L5
DC V Meter(1) : 6V
IF
2
98.1 M
60
—
100
98.1
T51
Center Meter : 0
ANT Coil
3
98.1 M
5
98.1
L2
mV Meter(1) : Maximum
RF Coil
4
98.1 M
5
98.1
L4
mV Meter(1) : Maximum
IFT
5
98.1 M
5
98.1
T31
mV Meter(1) : Maximum
(STEREO MODE)
ARC
6
98.1 S
40
98.1
VR154
mV Meter(1) : Separation 5dB
(STEREO MODE)
Содержание KEH-P4800
Страница 2: ...4 KEH P4800 P4850 2 2 EXTERIOR ...
Страница 11: ...13 KEH P4800 P4850 5 6 7 8 A B C D 5 6 7 8 PD4973A CD 2 2dBs CONTROLLER 8V REGULATER IP BUS A b A a A b ...
Страница 13: ...15 KEH P4800 P4850 5 6 7 8 A B C D 5 6 7 8 B ER UNIT IFC A ...
Страница 15: ...ER UNIT IFC 17 KEH P4800 P4850 5 6 7 8 A B C D 5 6 7 8 B A ...
Страница 16: ...18 KEH P4800 P4850 A 1 2 3 4 B C D 1 2 3 4 CAW1543 3 3 KEYBOARD UNIT C ...
Страница 30: ...41 KEH P4800 P4850 7 GENERAL INFORMATION 7 1 PARTS 7 1 1 IC CXA2559Q ...
Страница 34: ...45 KEH P4800 P4850 7 1 2 DISPLAY CAW1543 COMMON SEGMENT ...
Страница 35: ...47 KEH P4800 P4850 7 3 BLOCK DIAGRAM B A D F E C ...