7.3.6. FM VCO ADJUSTMENT (MODEL:
L)
Purpose:
To set VCO free run frequency.
Symptom of
Misadjustment:
Even when stereophony is received, only
monaural sound will be output.
Test Point:
Pin 32 of P4204, TP9201 (Audio C.B.A.)
Adjustment:
R9206 (Audio C.B.A.)
Specification:
38.0 kHz±50 Hz
Input:
----------
Mode:
STEREO audio (FM Radio)
Equipment:
Frequency Counter
1. Connect Pin 32 of P4204 on Audio C.B.A. to GND.
Fig. E4-1
2. Connect TP9201 on Audio C.B.A. to GND through a
resistor (3.3 k
Ω
). Then, connect Frequency Counter to
TP9201.
Fig. E4-2
3. Adjust R9206 (FM VCO) so that the frequency is 38.0 kHz
±50 Hz.
7.3.7. EVR (Electronic Variable Register)
ADJUSTMENT WITH THE REMOTE
CONTROL
This unit has electronic technology using I2C Bus concept.
The following control functions are adjusted by using "On
Screen Displays" and the remote control instead of adjusting
mechanical controls (VR).
7.3.7.1. EVR ADJUSTMENT ITEM
The following Items need to be adjusted for EVR adjustment.
±
PG SHIFTER ADJUSTMENT
±
SUB CONTRAST ADJUSTMENT
±
CUT OFF, DRIVE ADJUSTMENT
±
SUB COLOR/SUB TINT ADJUSTMENT
±
V. HEIGHT/H. POSITION ADJUSTMENT
±
WHITE BALANCE ADJUSTMENT
±
SUB BRIGHTNESS ADJUSTMENT
48
PVQ-1310 / PV-C1320 / PV-C1330W / VV-1300 / VV-1310W / PV-C1340 / PV-C1350W / PV-C2010 / PV-C2020 / PV-C2030W / VV-2000 / PV-C2060