Alpine INA-N333RRS, Service Manual

Page: 18 / 88

(4) Adjustment Procedures
Step Description Connection Signal Generator Dial Control
Test Point /
P.W.Board
Coordinates
Adjustment
1
Signal Meter
Adjustment
Figure 2
90.1MHz, 26dBu
(Mod. OFF)
90.1MHz
TP503
(3-A)
TP504
(5-E)
Auto Adjustment :
After setting up of Signal Generator,
short GND and TP504.
(SPEC) TP503 : 1.5±0.1V
45ohm 10ohm
60ohm
Input
Output
For 50 ohm FM Signal Generator Figure 1
FM Signal Generator
FM Dummy
Antenna
Antenna Receptacle
+
-
+
-
Unit Under Test
Figure 2
* only short-circuit at adjustment
TP503
GND
TP504
DC Volt Meter
(2) Connection
(3) Control Settings
Fader Control ............................ Center Position Band Switch ............................................. FM
Balance Control ........................ Center Position Others .................................................... OFF
Treble Control ........................... Center Position
Bass Control ............................. Center Position
1. Tuner Adjustment
-1. FM SECTION
(1) Dummy Antenna Circuit
Adjustment Procedures
INA-N333RS/INA-N333RRS
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