Ics Functional Description; Test Point Waveforms - Daewoo T011 Service Manual

Wide VERTICAL AMPLITUDE
048 HITW 15
60Hz VERTICAL-LINEARILTY
049 VLIN 0F
60Hz VERTICAL-S CORRECTION
050 VSC 18
H. BOW
051 HBOW 04
H. PAR
052 HPAR 04
51
EWP 60Hz Parabola A
053
15
EWPZ 60Hz ZOOM Parabola
054
23
EWPW 60Hz WIDE Parabola
055
17
EWT 60Hz T- Distortion
056
EWCT 07 60Hz Top-corner
057
EWCB 08 60Hz bottom-corner
058
HEHT 00 HORIZONTAL EHT
059
04
VEHT VERTICAL EHT
060
39
WID 60Hz HORIZONTAL SIZE
061
08
WIDM 16:9 CRT HORIZONTAL SIZE
062
EWPM 06 16:9 CRT Parabola
063
05
OV60 OSD Vertical position for 60Hz
064
FD
HPS 50Hz HORIZONTAL PHASE
065
02
VPS 50Hz VERTICAL PHASE
066
01
HITS 50Hz VERTICAL AMPLITUDE
067
VLIS FF 50Hz VERTICAL-LINEARILTY
068
VSS 01 50Hz VERTICAL-S CORRECTION
069
EWPS 01 OSD Vertical position for 50Hz
070
00
EWTS 50Hz T- Distortion
071
01
072 WIDS 50Hz HORIZONTAL SIZE
00
073 OV50
25
074 RAGC RF AGC
7．ICs Functional Description
STV9325 Function : Vertical Output
PIN PIN CONNECTIONS
1 Input
2 Supply Voltage
3 Flyback Generatoy
4 Negative Supply
TDA7263(Stereo IC)
PIN PIN CONNECTIONS
1 NON INVERTING INPUT((1)
2 INVERTING INPUT(1)
3 SVR/MUTING
4 INVERTING INPUT(2)
5 NON INVERTING INPUT(2)
6 GND
8．Test Point Waveforms
2Vpp
H
A8891 PIN30
A8891 PIN26
95Vpp
H
CRT KG
CRT KR
4.5Vpp
A8891 PIN6
PIN
5
6
7
Function : Audio Output
PIN
7
8
9
10
11
1Vpp
3.8Vpp
H
H
A8891 PIN50
95Vpp
95Vpp
H
H
CRT KB
0.7Vpp
1.3Vpp
H
59
117 CCD OSD WIDTH
CCD OSDF
51
118 OSDF OSD WIDTH
10 OSD POSITION ADJUSTMENT
119 OSD
40
120 CUSL To set remote controller's custom code(low byte)
BF
121 CUSH To set remote controller's custom code(high byte)
C0
122 FSAD FS tuner address
C1
123 VPL Be used to adjust the xray protect voltage
00
124 VADJ Be used to adjust the base input voltage of eyecare
07
125 SADJ Be used to adjust the check speed of eyecare
126 LOGH 00 LOGO HORIZONTAL POSITION
127 LOGV 0F LOGO VERTICAL POSITION
128 LOGO 45 LOGO select
A3
129 ERAS Be used to adjust the time of thermal resistance control
00
130 CATVM CATV select
WTON Turn on delay set
7D
131
WOTF Turn off delay set
EF
132
0A
133 PVHH
Be used to set the start frequency of VHFH band of FS tuner(high byte)
D0
134 PVHL
Be used to set the start frequency of VHFH band of FS tuner(low byte)
19
135 PUHH
Be used to set the start frequency of UHF band of FS tuner(high byte)
70
136 PUHL
Be used to set the start frequency of UHF band of FS tuner(low byte)
137 SOSP 10 Position OSD adjustment
138 HPSD 03 DVD HORIZONTAL PHASE
001 OTP 17 OPTION
9D
002 OTP1 OPTION1
B2
003 OTP2 OPTION2
13
004 OTP3 OPTION3
16
005 AOTP AV OPTION
PIN CONNECTIONS
V. OUT
Output Stage Vcc
NON. INV. IN
PIN CONNECTIONS
NC
OUTPUT(2)
+Vs
OUTPUT(1)
NC
3.8Vpp
H
A8891 PIN51
A8891 PIN52
7Vpp
H
A8891 PIN13 A8891 PIN12
1000Vpp
3.8Vpp
H
5Vpp
H
23Vpp
H
HEATER
16