37
KEH-P4850J
SW ADJUSTMENT
AM SSG
Displayed
Adjustment
Adjustment Method
No.
Frequency(MHz)
Level(dBf)
Frequency(MHz)
Point
(Switch Position)
TUN Volt
1
25.700
•••••
25.700
T231
DC V Meter(1) : 6V
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
FM SSG
Displayed
Adjustment
Adjustment Method
No.
Frequency(MHz)
Level(dBf)
Frequency(MHz)
Point
(Switch Position)
TUN Volt
1
108.0
•••••
108.0
L5
DC V Meter(2) : 6V
IF
2
98.1 M
65
98.1
L52
Center Meter : 0
ANT Coil
3
89.9 M
5
89.9
L2
mV Meter(1) : Maximum
RF Coil
4
89.9 M
5
89.9
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)
Summary of Contents for KEH-P4850J
Page 4: ...4 KEH P4850J 2 2 EXTERIOR ...
Page 6: ...6 KEH P4850J 2 3 CASSETTE MECHANISM MODULE ...
Page 14: ...14 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 3 2 TUNER UNIT B PA4023B B A ...
Page 15: ...15 KEH P4850J 5 6 7 8 A B C D 5 6 7 8 B ...
Page 16: ...16 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 CAW1543 3 3 KEYBOARD UNIT C ...
Page 21: ...21 KEH P4850J 5 6 7 8 A B C D 5 6 7 8 A SIDE A B CN251 D IP BUS ...
Page 22: ...22 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT ...
Page 23: ...23 KEH P4850J 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...
Page 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 ...
Page 25: ...25 KEH P4850J 1 2 3 4 A B C D 1 2 3 4 B SIDE B B TUNER UNIT ...
Page 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 ...
Page 27: ...27 KEH P4850J 1 2 3 4 A B C D 1 2 3 4 C C KEYBOARD UNIT CN601 A SIDE B ...
Page 38: ...38 KEH P4850J 7 GENERAL INFORMATION 7 1 PARTS 7 1 1 IC CXA2559Q ...
Page 42: ...42 KEH P4850J 7 1 2 DISPLAY CAW1543 COMMON SEGMENT ...