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MC-61A.

Mode 1. Simultaneously press the OK button, VOL +, PR + on the front panel
TV. Mode 2. While holding down the OK, VOL +, PR + on the front panel, double-click the yellow button on the remote control. Yield: off on the remote control

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MC64.

entrance into the service menu: Simultaneously press the OK button on the remote control and the TV.

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MC-84A

LG TV service mode on the chassis MC-84A.
Model: CF 14/20/21 K50/52E/X, CF 14/16/20/21 F60, CF 21/21 F80
The order of entry into the service mode
To enter the service mode, press the SVC at a special service remote control or simultaneously press the OK button on the OEM remote control and front panel of the TV. Yellow button remote control switch modes of service (SVC-0, 1, 2, 3).
Selected at each of the modes required parameter by pressing PR + / PR-, and change the contents of the buttons VOL + / VOL-.
SVC-0 mode (Fig. 1)
AGC 14
RG 32
GG 31
BG 27
CDL 6
LINE SVC-0 PR05 N50HZ
Fig. 1
In this mode, the regulated 5 parameters: AGC (automatic gain control voltage tuner), the magnitude of primary color signals (RG, GG, BG), CDL reference point cathodes.
Recommended settings:
AGC - 14, RG - 32, GG - 31, BG - 27, CDL - 6. CDL parameter can have two values:
• 2 - to kinescope 14 "and 16";
• 6 - picture tubes for 20 "and 21".
Note. For the tuner type 6700VPF002A (marking ALPS) voltage at the AGC should be equal to 3.5, and for the tuner type 6700VPF003V
(Marking LGES) - 2,7 V.
Mode SVC-1 (Fig. 2)
VL 34
VS 25
VA 43
HS 36
SC 10
LINE SVC-1 PR05 N50HZ
Fig. 2
In this mode, the adjustable parameters 5: VL (linear vertical), VS (vertical offset), VA (vertical size), HS (horizontal shift) SC (S-correction). These parameter values are shown in Table. 1
Mode SVC-2 (Fig. 3)
FP 18
NP 72
SP 55
SV 55
MAXVOL 100
LINE SVC-2 PR05 N50HZ
Fig. 3
In this mode, the regulated 5 parameters: FP (FM-tuning decoder, NP (tuning NICAM-decoder), SP (setting SCART), SV (audio level adjustment SCART), MAXVOL (volume control). Recommended values of these parameters

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