TCL RT2841 Series, Service Manual

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Test and Alignment Specification for RT2841 Series (v0.01).docx
Page 7 of 27
Note
②:
Because more and more projects will be added in the future.
1.5.Functional Test
Once the boards (chassis, KB, IR, PSU…) and the panel are well interconnected, plug all external generator
devices to relevant below inputs/outputs using respective test patterns format to check picture and sound quality:
Source Test Signal Test Pattern
Analog /Digital Tuner
(VHF/UHF & CATV)
RF cable generator
2D - Movie 1280x720
2D - Static Picture 1920x1080
1. Frequency Range: full band
2. Standard: PAL / SECAM
3. DVB-T/T2/C
Satellite Tuner
- DiSEqC v1.0 (A, B, C, D) and Tone
Burst (A, B)
- Double LNB frequency (band change
by 22KHz Tone)
Compliant DVB-S/S2
source from generator or
dish antenna with switch
2D - Movie 720x576
1. Frequency Range: 950MHz..2150MHz
2. Symbol Rate Range:
DVB-S 1..30MHz (for QPSK)
DVB-S2 1..45MHz (for QPSK)
1..30MHz (for 8PSK)
3. LNB Voltage Range:
Vertical 12.85V..14.2V
Horizontal 17.6V..19.5V
4. 22KHz Tone Range
Frequency 20.5KHz..23.5KHz
Amplitude 400mV..900mV
Current ≥400mA
SPDIF
Audio Amplifier PCM or Dolby D+
PCMCIA CI CAM card adaptor Conax, Irdeto, Viaccess, …
CMP via mini jack adaptor
(YPbPr& Audio)
Chroma/Quantum Data
generator
1920x1080i@60Hz
Half Color & Gray bars
AVIN
share with Y,R,L
(CVBS &Audio)
Chroma/ Quantum Data
generator
1920x1080i@60Hz
Half Color & Gray bars
HDMI
(Video & Audio)
with beyond HDMI 1.3 and
HDCP compliant DVD/BD
player
2D - Movie 1280x720i@60Hz
3D - Movie 1920x1080p@24Hz
HDMI1&2 support 4K*2K- Movie