Text preview for : 20061023162847421_ks7c-p-circu-13.pdf part of Samsung 20061023162847421 ks7c-p-circu-13 Samsung TV CS29Z45 chassis KS7C CS29Z45MQTXXSE__KS7C 20061023162847421_ks7c-p-circu-13.pdf
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Circuit Description
13. Circuit Description
13-1 Circuit Key Point
13-1-1 Pin configuration of "Face-down" QIP versions
13-1-2 UOC3(TDA120XX) Pin Description
Pi n Name Regi ster Port Type Ini ti al Descri pti on (Mi com Pi n 1 ~ 11, 54 ~ 64)
No
No
51 pTilt P0.0 Push Pull - Tilt
2 pIR P0.5 Open Drain - Remocon IR
4 pDcoil P1.0 Push Pull - Degaussing Coil
-NTSC/PAL S/W(PAL : High, NTSC3.58 : Low)
5 pSawFilter P1.1 Push Pull 1
-Europe CW L/ L' Sound S a w S/W (L' : High, L : Low)
- High : Power On
6 pPower P1.3 Push Pull 0
- Low : Power Off
7 pSCL P1.6 Push Pull 0 - I2C Bus Clock
8 pSDA P1.7 Push Pull 0 - I2C Bus Data
10 pLED P2.0 Push Pull 1 - Led(StandBy Mode, Remocon )
- High : Sound Mute On
11 pSoundMute P2.1 Push Pull 1
- Low : Sound Mute Off
- Scart1 ID
12 pScart1 P3.0 Open Drain
- China : Sound Saw Filter S/W(RCA Option Sound M : Low, High)
- Scart2 ID
13 pScart2 P3.1 Open Drain
- RCA Jack X-Ray
14 pBusStop P3.2 Open Drain 1 - Bus Stop Port
15 pPanelKey1 P3.3 Open Drain - Panel Key 1(Channel up, Channel Down, Volume Up, Volume Down, Menu)
Samsung Electronics 13-1
Circuit Description
13-1-3 Control System Features
80C51 micro-controller core standard instruction set and timing
0.4883 ms machine cycle (6 clock cycles with 12.288 MHz derived from an xtal frequency of 24.576MHz)
maximum 256k x 8-bit program ROM
maximum of 8k x 8-bit auxiliary RAM
auxiliary RAM page pointer
12-level interrupt controller for individual enable/disable with two level priority
stand-by, idle and power-down modes
watchdog timer
two 16-bit timer/counters
additional 24-bit timer (16-bit timer with 8-bit Pre-scaler)
16-bit data pointer
five 6-bit pulse width modulator (PWM) outputs for control of TV analogue signals.
one 14-bit PWM for voltage synthesis tuning control.
8-bit ADC with 4 multiplexed inputs.
remote control pre-processor (RCP).
I2C byte level bus interface.
universal asynchronous receiver transmitter (UART)
24 General I/O.
13-1-4 Vertical Circuit (LA78045)
Feed back gain control for
vertical picture size also have
some connector vertical shift
Feed back gain control for
vertical picture size also have
some connector vertical shift
13-2 Samsung Electronics
Circuit Description
13-1-5 Power IC (STR-X6750F)
AC input low voltage
Samsung Electronics 13-3
Circuit Description
13-1-6 TDA6109JF
13-4 Samsung Electronics
Circuit Description
13-1-7 CRT Drive
13-1-8 Spot Killer
Samsung Electronics 13-5
Circuit Description
13-1-9 Picture In Picture
13-6 Samsung Electronics
Circuit Description
13-1-10 X-Ray Protection
Protection Test Point
X-Ray Protection
To UOC "EHTO"
Pin #74
From Heater Voltage
Samsung Electronics 13-7
MEMO
13-8 Samsung Electronics