Table of Contents
Advertisement
VL-PD3S/H/E
ADJUSTMENT OF VIEW FAR CIRCUIT
1. VF VCO adjustment
Test point
TL8805 (HSY)
Address
VCR ADJ 40
Mode
VCR AV input
Procedure
1) Connect TL8826 to 3V.
2) Connect TL8805 to the frequency counter, and adjust to the adjustment standard value at address 40.
3) Open TL8826.
15.625kHz ± 100Hz
Adjustment
rating
Remark
Examples
• During IC703 (E
• During IC8800 replacement.
2. VF bright adjustment
Test point
TL8811 (VG)
Address
VCR ADJ 46
Mode
VCR AV input
Procedure
1) The input signal must be 3-step wave.
2) Connect TL8825 (IC8800 pin 53) to GND.
3) Adjust the pedestal interval of waveform of TL8811 to the specified level.
6.9 ± 0.1Vp-p
Adjustment
rating
Remark
Examples
• During IC703(E
• During IC8800 replacement.
TL8817
TL8827
TL8824
TL8809
R1916
TL3408
TL3367
C1916
C1903
TL3323
TL8823
TL8822
L1904
TL8821
C7703
R1907
TL8820
R8836
TL8819
R7702
R8824
IC7702
TL8818
R8823
TL8816
R7705 C7706 R7708 C7707
C7712
TL8815
C7713 C7714
TL8810
X7701
TL8811
TL8812
TL2440 TL2441
TL8813
TL1921
TL8825 TL8814
C7710
C7711
TL1704
IC7701
TL3335
TL3337
R7710
TL3334
TL3336
TL2420
TL8803
R7711
TL7701
TL8800
C7709
R7707
C7705
C7704
R7704
TL2430
TL2434
TL7703
SC2401
TL8826
TL8811
VF VCO
TL8825
VF bright
VF bright
VF contrast
VF γ 1
2
PROM) replacement.
Sig.center
GND
2
PROM) replacement.
C1714
C1904
IC1702
C1712
C1718
TL1701
Q1902
C1706
R1710
C1723
Q1903
R1702
C1707
C1708
C1905
R1703
R1704
TL1705
R7706
C1733
C1734
L456
Q1703
TL3325
TL3355
TL1920
TL3312
TL3324
TL3311
TL1909
TL1908
TL3418
C431
TL436
TL434
TL438
TL433
TL440
C440
C437
IC431
TL8828
C447
TL8826
TL439
TL431
TL432
C449
TL3402
TL2436
TL435
R984 C982
C981
TL2437
TL2435
TL914
R444
TL2422
TL2421 TL2419
TL2418
TL2417
TL2423
TL437
TL912
IC980
TL2411
TL3406
R981
TL2414
TL3403
C980
TL2416
TL2415
R980
R3404
TL8805
TL2413
TL8805
VF VCO
(Wiring board diagram: Main2 Side A)
9-11
Q1704
C433
C436
6.9
0.1 Vp-p
VL-PD3S/H/E
Advertisement
Table of Contents
