Adjustment - Pioneer keh-p4900 Service Manual

KEH-P490,P4900,P4950
QQ
3 7 63 1515 0

6. ADJUSTMENT

- Connection Diagram
TE
L 13942296513
TUNER AMP UNIT
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.
40
http://www.xiaoyu163.com
BACK UP
ACC
GND
Lch +
Lch -
Rch +
Rch -
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2 9
8
4 Ω
mV Meter (1)
4 Ω
Dummy Antenna
Antenna Plug
50 Ω (37.5
50 Ω
FM/AM TUNER UNIT (TOP VIEW)
Main Antenna
Jack
Q Q
3 6 7 1 3
L4
T31
T51
FM/AM TUNER UNIT (BOTTOM VIEW)
T51
C63
.
9 4 2 8
+14.4V
DC Regulated
Power Supply
GND
Oscilloscope
Ω )
Stereo
FM SSG
Modulator
(75 Ω )
L2
Pin26
1 5 0 5 8 2 9 9 4
Pin 19
TC1
DC V
Meter(1)
Pin14
L5
Pin13
VR154
Pin1
Center
Meter
m
co
9 9
2 8 9 9