Service Manuals, User Guides, Schematic Diagrams or docs for : LG Car Audio TCH-600 ADJUSTMENTS
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>> Download ADJUSTMENTS documenatation <<Text preview - extract from the document SECTION 2. ELECTRICAL
ADJUSTMENTS
1. Test & Adjustment point
A
B
T101
C
RV101
Figure 1. MAIN PCB Board
L204 L254 T201 T202 T256 T206
L255
L205
Figure 2. BEFORE RF PCB Board
- 2-1 -
( NEW RF P.C. BOARD)
Figure 3. NEW RF PCB Board
- 2-2 -
2. FM Adjustment
Power Supply PRE OUT
Stereo modulator GND
(Black Lead)
(Red Lead)
(Yellow Lead) VTVM SCOPE
SSG
EXT
Unit ANT
MODE
Jack. IN OUT
OUT
AUDIO OSC
Figure 4.
(1) The impedance of FM antenna terminal is 75.
Therefore, connect coaxial cable (3C-2V etc.) between FM SG and antenna terminal when wiring.
Item FM SSG Attenuator Available Antenna
Type Indication Power Ratio Terminal Voltage
Open indication type 0dB 5.2dBf 6dB/
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