EN 14
L03.1U AA
6.
Block Diagrams, Test Point Overviews, and Waveforms
I
2
C and Supply Voltage Overview
POWER SUPPLY
0212
4
3
2
1
2
8
12
10
13
3
6
2
5
6
1
3504
CL 36532083_006.eps
101203
F510
I505
I533
3543
5562
3544
6520
2528
A1
Degaussing
Coil
t
1515
5520
7580
7520
TEA1507
DRAIN
DRIVER
SENSE
DEMAG
VCC
CONTROL
IC
CTRL
Vcc
ENERGIZING
CIRCUIT
(optional)
AC
DC
6504
5500
9
1
2
4
3
2503
6562
6563
6561
MAIN SUPPLY
-12V
5563
5560
6560
F542
F540
I553
Vaux/Vaudio
2 x
1 x
DVD-SUPPLY
3549
Std_Con
HOT GROUND
COLD GROUND
7540, 6540
REFERENCE
CIRCUIT
7541
+3V3B
STANDBY
CIRCUIT
7515
TCET1103
3527
3525
3523
3526
7521
14
11
9
3522
7
D
S
G
I514
6520
3528
7523
3506
5570
6570
(OPTIONAL)
FRAME
LINE
3549
7451
EHT
PW_ADJ
DEFLECTION
A2
A1
F461
F422
F449
F448
H DRIVE
A4
F425
-12V
7421
BUT11APX
5461
3424
0221
1
2
HOR.
DEFL.
COIL
0222
1
2
VERT.
DEFL.
COIL
5441
1
7
2
FOCUS
VG2
EHT
10
EHT
A4
EHT 0
A4
BEAM-
LIMIT
3447
9
6446
8
5
4
6463
3445
3446
VT_SUPPLY
6447
+160V
-12V
1x
2x
2x
2x
2x
3448
3459
6452
6451
F446
6444
3443
3444
FILAMENT
6422
2423
6408
6407
2406
5401
3402
3403
7423
7422
3425
6463
Vaux/Vaudio
FILAMENT
3463
3465
3464
7463
7461
7465
7462
-12V
3470
7466
7464
3474
3451
2455
TUNER IF
A3
FOCUS
EHT
VG2
CONTROL
A7
TUNER IF
A3
3605
7641
M24C04
EEPROM
(NVM)
3604
3643
3642
6
5
3
2
11
WP
7
ERR
9
7200-B
SET
PROCESSOR
PART OF
VIDEO-
PROCESSOR
TDA9370
ERR
6
SDA
SCL
SCL
SDA
3602
+3.3V
3644
+3.3V
3601
+3.3V
1000
TUNER
UV1336
3003
3004
4
5
ERR
10
1
2
1003
3
AUDIO PROCESSING
(only for stereo sets)
A5
7821
AN5891K
AUDIO
PROC.
3828
3827
13
14
ERR
4
7841
AN5829S
AUDIO
DECODER
3842
3843
41
19
ERR
4
SCL
SDA
FOR
COMPAIR
ONLY
I2C BUS INTERCONNECTION DIAGRAM
ERROR CODE LIST
A4
A4
A2
+ 5 V
+ 5 V
+ 5 V
+ 8V
1300
7
8
9282
VT supply
VT supply
VT supply-A
VT Supply-A
CRT
B1
VIDEO PROCESSING
B1
A4
EHT
FOCUS
FILAMENT
160 V
VG2
AUDIO PROCESSING
A5
7 - 7841
5841
5821
23 - 7821
+ 5V
AUDIO AMPLIFIER
A6
1 - 7901
or
1 - 7902
+ 5V
FILAMENT
FILAMENT
+ 3V3A
+ 3V3B
AUDIO FRONT I/O
A7
+3V3B
4698
3693
3 - 6692
+ 8 V
REAR I/O CINCH
A8
+8V
4163
+8VA
Vaux/Vaudio
Vaux/Vaudio
FILA-
MENT
160VD
FILAMENT
4379
3493
7
1622
8
7493
3494
3
A1
A2
In
1
3495
5482
4491
+3V3
+5V
+8V
1x
1x
1x
+8VD
+3V3A
6491
7494
6492
3496
3497
7496
7491
3492
3491
VTSupply-A
-12V,
FILAMENT,
Vaux/Vaudio
VT supply-A,
VT supply,
FILAMENT
A4
V DRIVE-
V DRIVE-
1x
1x
2x
!"
#
$%
&'#( &'##( &'#)
!#
)
*
&'+( &'+#( &'+)( &'+'(
&'+,( &'++
!#
'
!,-./ 0
!,-#.
1 0 !2
3# 4
&-# 3"( &-'
5 "
!,
,
1!.)
6 )7)* 5 -*
&#( &,'( &'.( &'.)(
&'.+
!'( !
+
3# 2
8 3# 2
&#( )+'( )+,
!'
&
-
59 : "
.
;#'+
*; 3# 4
&+'( )+'( )+'#( )+')
!'
12
12 3# 4
( ))( )'
!)
< 2
)))( &)&( &)-( &).(
&)( &)( &)#( &))(
&)'( &),( &)+( &)&(
&)-( 1
<
#
;! 3# 4
!"
)
* 3# 4 2"
'
* 3# 4
0211
0231
MAINS
SWITCH
1500
T4E
F567
F568
F566
DVD POWER SUPPLY
(optional)
A9
1
3
5
1572
1
4
1571
7570
SI2306D
7571
L4978
3
2
1
3571
VTsupply-A
DVD_SUPPLY
5571
5572
5575
5574
5573
Vcc
4
1
CONTROL
OUT
5
6571
+12V-DVD
+8V-DVD
+8V-DVD
TO MPEG
CARD
(optional)
TO DVD
ENGINE
(optional)
Vaux/Vaudio
6466
(NOT FOR
NAFTA)
Содержание 29PT5445/85
Страница 56: ...Revision List EN 56 L03 1U AA 11 ...