Toshiba 13A21 Service Manual page 8

2.2.2.1.5 Focus:
Used TV tested pattern inspect Focus and Flare. In factory menu to enter SYSTEM then select to DLP TEST PATTERN
press ENTER button by remote control. The Green Diagonal line will display on screen. The EXIT button can return to
factory menu.
Green Diagonal line
Optical engine:
Unit (pixel)
Focus
Flare
Full set:
Unit (pixel)
Focus
Flare
3. Power supply tests.
3.1 Power consumption test table:
TV status
Power on (Normal operation)
DC power off (stand by)
3.2 Dielectric withstand voltage ：
3.2.1 Primary to safety ground ： 2500V
3.2.2 Leakage current ≦ 10mA
4. DDC test.
4.1 DDC / EDID specification compliance requirement.
The data that is communicated shall be stored in the monitor in non-volatile, which is a subset of the VESA EDID
version 3.0 standard.
4.2 The EDID data see
5. Audio test:
5.1 Connected AV1 & AV2 (AV & S-Video) audio input source to AV L/R audio input, the speaker L and R should be
output and the distortion (THD)
be working normally.
5.2 Connected Color Stream HD 1 & 2 audio input source to Color Stream HD 1 & 2 L/R audio input, the speaker L and
R should be output and the distortion (THD)
Treble should be working normally.
5.3 Audio output test: When each audio had input, then audio output RCA jack (L/R), must output 0.5Vrms (1.414Vp-p).
6. HDCP test. (Only for HDCP model)
6.1 See the
HDCP test.
Fig26.
Center
Center
LED color
Green
Orange
for 1.5 sec.
DC
DDC contents.
10% at 20Hz to
≦
1.7
2
1.9
2.2
Picture
Active
NA
20KHz, and the audio function of Balance, Bass, Treble should
10% at 20Hz to 20KHz, and the audio function of Balance, Bass,
≦
8
Fig27.
Corner
2.1
2.5
Corner
2.4
3.0
Power consumption
<280W
<1W at 110V
AC