Technicolor - Thomson ICC19, Принципы и обслуживание

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ICC19
50 Hz
First issue 09 / 97
ADJUSTMENTS - REGLAGES - EINSTELLUNGEN - REGOLAZIONE - AJUSTES
V=
U Sys
IF Alignment
VCO
Standard BG
VIDEO-LEVEL
Alignment
SERVICE
MODE
FI030
PI030
PI035
SERVICE
MODE
SERVICE
MODE
Standard TV - Settings :
OMA Position
TV to AV1 : Black test pattern
DP 110
highest
output
Oscillo.
SCART
Video
output
V G2
METHOD 1
Measurment method
METHOD 2
Cut-off counter method
FOCUS
G2 poten-
tiometer
V
FOCUS
Test pattern
(standard values)
CRT 1900X (50Hz) :
R signal : IB01 Pin 15
G signal : IB01 Pin 12
B signal : IB01 Pin 15
Sharp picture
TUBE NAME DESCRIPTION Usys jumper Usys
A66ECY 13X 15 4/3 28" MP JP914 132V +/- 0.5V
A59EGD048X300 4/3 25" SF JP915 131V +/- 0.5V
A68EGD038X300 4/3 29" SF JP915 131V +/- 0.5V
W66EGV023X115 16/9 28"SF JP917 137V +/- 0.5V
W76EGX023X115 16/9 32"SF JP917 137V +/- 0.5V
Standard TV - Settings :
OMA Position
TV to AV1 : Black test pattern
Standard TV - Settings :
OMA Position
No test pattern
( generated by internal text
processor).
Adjust R-Cut off and G-Cut-off
to 80H temporary.
Select G2 Alignment in
Service Mode
Adjust the lowest value to:
1 - Adjust VG2 : V= 160V +/- 5 V
2 - Adjust Focus
3 - Adjust VG2 : V= 160V +/- 3V
V=
Switch set to standard BG
Adjust FI30 / PI54 for 2,5VDC +/-0.1V
Adjust PI030 : standard BG
Adjust PI035 : standard L
for V = 0,7 Vpp ( Black/white level )
TUNER
NH01
75
Ω
IF Signal
38.9 MHz (BG)
30 mV
RI078
AFC
(uP)
42 IR01
11
G
TV set
Antenna
75
Ω
Standard Signal
(BG / L)
15kHz test pattern
3 mV
G
Tube Type Value
A66ECY
A79ECU
A89AEJ
A59EGD
A68EGD
W66EGV
W76EGX
50H
50H
50H
60H
60H
-
-
-
W56EGV
Select "Restore" in Service Mode
and press "OK" to restore the
cut-off values.
FI001
Trap
Trap
40.4 MHz
31.9 MHz
FI002
FI010
FI020
FI040
Trap 5.6/5.5Mhz
QI070
FI030
VCO
PI030
Video Level (BG)
Video Level (L)
PI050
Tuner AGC
16
17 32
II050
1
FI015
PI035
LOCATION OF CONTROLS - EMPLACEMENT DES REGLAGES -
SERVICE LAGEPLAN - POSIZIONE REGULATORI DI SERVIZIO -
SITUACIÓN DE LOS AJUSTES
CRT Board
CONVAR(MCU)
BV010
Degauss
ASIA
RP only
Bus2
Free
Free
RP only
SSC
RP(ABL)
BR012
BR009
BR011
BR010
FI001
FI002
LI051 FI030
PI030
PI050
IX001
PI035
BX002 BX001
DL030
BV005
BV021
BV006
DP140
BA006
3
1
TL030
CP020
LP019
TP060
ICC 19XXX
MAIN BOARD
IA001
1
11
BA001
BA005
BL035
BL052
BL050
DP110
DP130
DL043
DL046
+USYST
BF001
IP140
56
28
BV011
29
20
20 20
TL028
IF001
BX500
BP110
BP020
BA003
3
1
1
BV001
9
LP020
IP050
16 9
8
IP060
BP025
BP035
TP146
BR005
8
6
BR004
BR001
BR006
IR002
32 17
16
IR003
4 5
8
BR002
IR001
27
26
10
60
BR007
BR003
16
17 32
II050
IA002
BA002
BA004
IX900
20 11
10
7
1
2
TOPVIEW
3
3
5
7 1
4 1
1
1
1
12
1
1
1
12
1
1
1
1
1 1
15
1
1
1
TUNER
1
1
1
1
1
1
1
4
1
1
1
12
12
1
IV01
3
3
3
3
BR008
3
BP120
1
2
+UVERT
+23V
+16.9V
+UVIDEO
+200V
+UVFB
Do not disconnect modules when they are energized !
Repairs on power supply section are to be carried out
only with isolating transformer.
Ne pas retirer les modules lorsqu'ils sont sous tension.
N'effectuer les travaux de maintenance sur la partie
reliée au secteur (Switch mode) qu'au travers d'un
transformateur d'isolement.
Module nicht bei eingeschaltetem Gerät entfernen !
Servcearbeiten am Netzteil nur unter Verwendung eines
Regeltrenntrafos durchführen.
Non scollegarei moduli quando sono alimentati !
intraprendere riparazioni sulla sezione alimentatore solo
con transformatore isolante.
No desconectar los módulos cuando están activados !
Las reparaciones en la sección de alimentación de energia
deben ser ejecutadas solamente con un transformador de
separacíon.
+59V
+ 6V ( 5V stab )
DP108
DP109
+US
-16.9V
-US
BM03
1
9
CRT 19XXX
B
R
V
G
CRT GROUND
CRT CHASSIS
FOCUS VG2
3
1
CB01
4
5
6
7
8
9
10
11
12
5 1
1 3
!
Part of Board connected to mains supply.
Partie du châssis reliée au secteur.
Primärseitedes Netzteils
Parte del panello collegato alla rete di alimentazione
Parte del chasis conectada a la red
2
1
DL041
+13V
1
2