ETC009 - ETC010
First issue 01 / 06
Notes: - Alignment should be done after 3 minutes warm up of TV .
3.1. B+ VOLTAGES
3.2. RF AGC
3.2.1. Method 1
1) Input 60dB PAL BG , with half-Color Bar signal
2) Press key "2" to enter page 2 of factory mode (Fig.1)
3) Select RF AGC with " up " or " down " key. .
4) Press "ZOOM- "(left) and " ZOOM+ " (light) key
until the hint display just change from "Inactive" to
"active".)
5) Adjust AGCL for SECAM L /L' same as the PAL.
3.2.2. Method 2
1) Apply RF signal of 210.25MHz (BG CH 10) modulated
with color bar at 3mVrmx to Tuner input
2) Tune to CH10
3) Go to factory mode, entry page 2 (Fig.1) & set
"RF AGC" to 00 (max IF output).
4) Monitor 38.9MHz IF frequency response at Tuner
pin11 with spectrum analyzer by using high impedance
probe or equivalent.
5) Increase RF AGC control until IF frequency response
8 +1/-2 d B down from maximum.
3.3. CRYSTAL OSCILLATOR FREQUENCY
Notes: - If TV had NICAM function, we recommend to adjust crystal with NICAM.
3.3.1. Crystal oscillator frequency adjustment with NICAM
a) Apply PAL BG NICAM signal with good reception quality.
b) Enter factory mode, press "Vol -"(FORMAT) key ,
it will display " DCXOAUTO " , (Fig.2) then press "ZOOM+" (light)
key to start auto adjust , when it displays "DCXOAUTO OK" ,
the adjust is finished .
3.3.2. Crystal oscillator frequency adjustment without NICAM
( for software with UOC3 TDA12070/12072 only )
a) Input PAL color bar signal.
b) Enter factory mode, press "Vol -"(FORMAT) key ,
it will display " DCXOAUTO " , then press "ZOOM+"
(light) key to start auto adjust , when it displays "DCXOAUTO OK" ,
the adjust is finished .
3.3.3. Crystal oscillator frequency adjustment without NICAM
a) Input PAL color bar signal.
b) In factory mode, press "0" to entry page 0 , (Fig.3).
Adjust "DCXO CAP" until display " DISC " is steady at 128.
III - ALIGNMENT PROCEDURE
V=
B+ Voltage ETC009: VR801
ETC010: -
(no alignment)
Standard TV - Settings :
TV to AV1 : Black test
pattern
DP805 (ETC010)
DP824 (ETC009)
+
=50%
+
IRICO A36CPAA 00X02 108V +/- 0.5V
TTD A51ELD 032X004
112V +/- 0.5V
LGPD A51ERS 357X440 (SLIM)
ZHONGHUA CHA34AGT13X53 108V +/- 0.5V
TTD ELM021X001
130V +/- 1.5V
TTD W76ELC011X001
132.5V +/- 1.5V
CRT type
B+ Voltage
210.25 MHz
3mV
antenna
input
Monitor IF
38.9 MHz
chassis ETC009/ETC010
BG CH 10
IF
11
Tuner
U0C300C 1 . 8 2005. 07 . 20-01
5VPOS 24
5VAM 29
5VSL 38
5VL 30
5VSC 31
5VSCL 34
RF AGC 14
Active
AGCL 14
Fig.1
U0C300C 1 . 8 2005. 07 . 20-01
DCXOAUTO
Fig.2
U0C300C 1 . 8 2005. 07 . 20-01
YDFE PAL 15
DEC LVL 2
MONO LVL 0
NIC LVL
0
SAP LVL 0
SAP LVL 0
ADC LVL 27
DCX0 CAP 56 DISC: 128
PSCALE
0.375 DCX0:61
PLIM
96
PCENTER 12
LOUDNESS 3
DUB100Hz 6
page 0
page 2
Fig.3
