TA1360AFG_05 Datasheet, PDF (79/110 Pages) Toshiba Semiconductor – YCbCr/YPbPr Signal and Sync Processor for Digital TV, Progressive Scan TV and Double Scan TV

TA1360AFG
Note
No.
Characteristics
Test Conditions
SW Mode
SW68 SW67 SW66 SW26 SW25 SW24 SW21 SW19 SW18
Test Method
T03 Unicolor
A
B
B
A
A
A
A
A
A 1. Input signal 1 (f₀ = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 68.
adjustment
characteristic
2. Change unicolor data to maximum (7F), center (40), and minimum (00) and measure pin 12
picture period amplitude, V_uMAX, V_uCNT, and V_uMIN respectively.
3. Calculate amplitude ratio of V_uMAX and V_uMIN in decibels (∆V_u)
T04 Brightness
A
B
B
A
A
A
A
A
A 1. Input signal 2 from pin 68 and adjust pin 12 picture period output amplitude to 1 Vp-p.
adjustment
characteristic
2. Change brightness data to maximum (7F), center (80), and minimum (00) and measure pin
12 voltages, V_brMAX, V_brCNT, and V_brMIN respectively.
T05 White peak
slice level
C
B
B
A
A
A
A
A
A 1. Set subcontrast to maximum.
2. Apply external power supply to pin 68 and gradually increase voltage from 5.8 V.
3. When picture period of pin 12 is clipped, measure pin 12 picture period amplitude voltage,
V_wps1.
4. Change subaddress (0C) data to (FC) and repeat the steps 1 to 3 above. (V_wps2)
T06 Black peak
slice level
C
B
B
A
A
A
A
A
A 1. Apply external power supply to pin 68 and gradually decrease voltage from 5.8 V.
2. When picture periods are clipped, measure pins 14, 13, and 12 voltage, V_bps.
T07 RGB output
C
B
B
A
A
A
A
A
A 1. Adjust brightness data so that picture period voltage of pin 14 is 2.4 V.
S/N
2. Set color data to minimum.
3. Measure noise levels n14-, n13-, and n12-Vp-p in picture period of pin 14, 13, and 12 with an
oscilloscope.
4. Calculate S/N.
N₁₄ = −20 × log [2.3/(0.2 × n14)]
N₁₃ = −20 × log [2.3/(0.2 × n13)]
N₁₂ = −20 × log [2.3/(0.2 × n12)]
T08 Halftone
A
B
B
A
A
A
A
A
A 1. Input signal 1 (f₀ = 100 kHz, picture period amplitude 0.2 Vp-p) from pin 68.
characteristic
2. Measure pin 14 picture period amplitude v14A.
3. Apply 1.5 V to pin 79 from external power supply.
4. Measure pin 14 picture period amplitude v14B
5. Calculate the following equation. G_HT1 = v14B/v14A
6. Stop applying voltage to pin 79. Set subaddress (1A) to data (E2) and measure pin 14-picture
period amplitude, v14C.
7. Calculate the following equation. G_HT2 = v414C/v14A
79
2005-08-18