36
KEH-P4850J
T
UNE
R
UNI
T
4
Ω
4
Ω
Lch +
Lch -
Rch +
Rch -
BACK UP
ACC
GND
+14.4V
GND
Antenna
Cable
mV Meter (1)
Oscilloscope
DC Regulated
Power Supply
TUNER AMP UNIT
50
Ω
(75
Ω
)
FM SSG
Stereo
Modulator
50
Ω
(37.5
Ω
)
Antenna Plug
Dummy Antenna
50
Ω
(75
Ω
)
AM SSG
80 -Z
Ω
Antenna Plug
Dummy Antenna
TUNER UNIT (TOP VIEW)
T31
T231
C63
L52
Center
Meter
TUNER UNIT (BOTTOM VIEW)
Pin1
Pin13
Pin14
Pin 19
Pin26
L2
L4
L5
L52
VR154
DC V
Meter(2)
Pin 20
DC V
Meter(1)
C1
15pF
6. ADJUSTMENT
-
Connection Diagram
NOTE:
select C1 so that total capacity of 80pF is attained
from the direction of the receiver jack.
Z:Output impedance of SSG.
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 ...