NEC DSC-3261HA, Service Manual

Page: 8 / 45

7
Alignment Instruction
2. The confirmation of Protection circuit
Protection circuit confirmation is omitted in case of mass production in the factory
2-1. Over Current Protecor (OCP) circuit confirmation
2-1-1. Receive PAL RETMA PATTERN(signal of company:2CH., PAL-B) and adjust
STANDARD MODE in PICTURE.
2-1-2. Connect 1M
Ω
1/2W between BASE of Q807 and GND, to confirm operating of
PROTECTOR.
2-1-3. The next place, to confirm normal operation when the resister(1M
Ω
) is removed.”
2-1-4. After Main Power Switch OFF/ON, to confirm normal operation of picture and
sound when turn the set on by remocon.
2-2. High Voltage Protecor (X-ray Protection) circuit confirmation.
2-2-1. Receive PAL RETMA PATTERN(signal of company:2CH., PAL-B), adjust
CONTRAST&BRIGHTNESS to minimun.
2-2-2. Connect 1/6W 15K ohm to R413(1/6W 24K ohm) of POWER PCB in parallel.
Confirm that operation of the SET is SHUT-DOWN condition(High Voltage
Protector).
2-2-3. The next place, to confirm normal operation when the resister(15K
Ω
) is removed.”
2-2-4. After Main Power Switch OFF/ON, to confirm normal operation of picture and
sound when turn the set on by remocon.
- ON : With PIP Models
- OFF : Without PIP Models
- ON : Enable the Digital Sensor
- OFF : Disable the Digital Sensor
- ON : Enable the all Languge - Multi OSD-Language
- OFF : Enable the English - Only English
- ON : For 34 inch Models Change the Vertical
- OFF : For 32 inch Models Blanking puls width
LATIN : English,French,Swedish,Czech,German,Spanish,Italian,Estonian
EAST : English, Slovakian,Hungarian,Serbian,Albanian,Polish,Turkian,Rumanian
RUSSIA : English,Russian,Bulgaian,Ukrainian,Serbian,Montenegro
PERSIAN : English,Farsi
ARAB : English,Arabic
OFF : Teletext Language depends on OSD Language selection
- ON : Wide
- OFF : Normal
Languge
34 Inch
TEXT sel.
EXT PORT
Note : If OSD language & text selec. is different then Teletext depends on Text selec.
PIP
Digital EYE
- ON : For PARS Elec.
- OFF : For all Model except PARS
PARS LOGO
* Software option for Function Change