Daewoo DTQ-14D4SSFM, DTQ-20D4SSFM service manual Micom Outline

IC DESCRIPTION

I. MICOM Outline.

1.Abstract.

This specification is 1-Tunner Mono Model for North America, CCD 1-Chip MICOM M37150. It is developing software specification for tuning only NTSC system TV F/S.

2.H/W Outline.

1)ROM : 32K x 8bits.tsc

2)RAM : 1152 x 8bits.

3)OSD Function.

. Screen Display.

32 characters x 2 lines. - Characters.

254 patterns programmable.

-Character display area

CCmode : 16 x 26 dots

-Chatacter color : 8 colors

-Attribute

CCmode : smooth italic, underline, flash, automatic solid space" OSD mode : border

-Display position

Horizontal : 128 levels

Vertical : 512 levels

3.System Feature.

-The system for TV tuning is Frequency Synthesis type.

-Closed Caption’s function is built in IC.

-On Screen Display’s function is built in IC.

- Package.	: 42 PIN SSOP.
- Tuner (Pre-scaler.) : I2C Bus. --- DT5-NF20F N
- Remote.	: R-43A Series
- E2PROM.	: 24C04(I2C Bus) ? Apply one byte Read/Write mode.
- 6-Local Key.	: A/D Input Control.(Power, Ch Up/Down, Vol Up/Down, Menu)
- Option S/W	: Port Input Option Check.
- IF/V/C/D IC	:M61250(America, The only NTSC)"

4.Function.

1)C. C. D. function.

-A section of C. C. D. operates FCC based specification.

2)C. C. D. controlled function.

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