
6.
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Supply and Deflection
POWER SUPPLY
1504
4
3
2
9
8
4
17
18
13
14
5
6
3
2
1
3507
E_14770_002.eps
260804
F508
I519
3575
7454
3576
6511
7514
2511
A1
TRIDENT INTERFACE
TI
LINE + FRAME DEFLECTION
LINE
E/W
FRAME
STANDBY
SUPPLY
A2
FRONT INTERFACE
J
Degaussing
Coil
t
1503
5512
7541
7511
TEA1506T
DRAIN
DRIVER
SENSE
DEMAG
CONTROL
IC
CTRL
ENERGIZING
CIRCUIT
(optional)
AC
DC
6500
5500 :
5502
1506
MAINS
SWITCH
(not USA)
10
11
1
2
4
3
1500
T4E
2505
1211
1231
MAINS
SWITCH
(not USA)
V_DG
F552
I516
I513
F563
F561
F537
I548
F536
I533
I531
F564
I573
F453
F460
F414
F418
F461
F401
F452
5562 6563
6571
1543
-Vaudio
+Vaudio
+6VA
5551
5552
6551
5561 6562
Vbatt
A4
T5
A2
A2
A2
A4
A4
Stdby_Con
7571
REFERENCE
CIRCUIT
7573
STANDBY
CIRCUIT
7513
TCET1103
2
Vcc
3513
3532
3514
3516
7512
14
11
9
3517
7
D
S
G
I511
POWER-DOWN
EHTb
EHTinfo
EHTb
BCL
VIDEO/SUPPLY
FILAMENT
VIDEO/SUPPLY
FILAMENT
1505
0212
1
2
1
2
2
1
Vbatt
Vbatt
VT_SUPPLY
+9V
-12V
-12V
+9V
7405
BU4508DX
5402
LINE
OUTPUT
CIRCUIT
+
E/W
CORR.
7404
7452
7451
7455
7456
7453
1404
1
2
HOR.
DEFL.
COIL
1491
1
2
VER.
DEFL.
COIL
5445
3
1
FOCUS VG2
EHT
TO
CRT
1401
5
4
3
2
1
10
6
B1
TO 1351
CRT
B1
A1
A2
A2
A2
V_GUARD
A3
6453
6483 6484
6452
6481
7
8
9
5
6456
6459
6454
6460
7406
3518
4
5
11
1
2
6532
7532
6533
5531
7531
TEA1623
DRAIN
SOURCE
CONTROL
IC
AUX
8
9
+3V
+6V
Vaux
+6VA
+6VA
6564
6536
6
6537
POWER-DOWN
HOT GROUND
COLD GROUND
6
REG
3
Vcc
3538
12
14
3534
3565
3530
6512
3519
2534
2564
3532
1532
T315mA
10
6535
2536
2535
5537
6676
6565
6566
7561
7536
7535
2x
D
S
G
B
Vbatt
3471
3481
3463
3442
7481 : 7483
1454
1455
1452
1456
EHTb
+
EHTinfo
+
BCL
PROC.
3458
3466
3462
3474
3461
3401
F458
F459
SUPPLY
SUPPLY AND DEFLECTION
DEFLECTION
For IDTV only
MAIN
SUPPLY
3531
6573
3571
A4
VD
1206
8
12
2
4
6
7
10
9
1201
11
1
2
3
4
5
6
7
8
9
10
11
EHTb
PROC
HD
H_DRIVE
EW_DRIVE
VDRA
+9V
VDRB
BCL
VDRB
VDRA
EW_DRIVE
H_DRIVE
BCL
EHT_INFO
V_GUARD
HD
EHTb
HD
VDRA
VDRB
HD
EHT_INFO
V_GUARD
1403
1
2
3
4
5
6
7
8
9
10
11
+9V
+5V
+8V
7207
L78L05ACZ
7208
L4978
7201
6930DPTVSVP
1202
1
2
3
4
1205
TO
1205
A10
TO
1202
7
6
5
6206
5203
4
5
8
6442
6464
6408
5403
3449
3439
3497
3452
3451
5410
TRIDENT INTERFACE BOARDA
T1
DISPLAY & PROCESSING
(SYNC PART)
T5
7201-2
6930DPTVSVP
Y_OUT
U_OUT
V_OUT
23
24
RGB
YUV
MATRIX
Y U V
21
20
R
G
B
28
27
26
30
31
32
Y/U/V
RGB
MATRIX
RGB
INSERTION
OUTPUT
AMPL.
CATHODE
CALIBR.
7218
TDA9332H
40
43
R_OUT
35 36 37 38
41
42
44
27
28
29
35
34
3
4
2
1
8
11
SDA
DPTV_R
DPTV_G
DPTV_B
V_SYNC
H_SYNC
SCL
10
E/W
DRIVE
FRAME
RAMP
GEN
9
14
13
29
5
PH1-1
22
PH1-2
STARISTOP
H-DRIVE
HOP
DAC
&
DDP
EHT_INFO
EHT_INFO
EW_DRIVE
V_GUARD
H_DRIVE
FLASH
VD+
VD-
ABL
G_OUT
B_OUT
BC
1301
12MHz
1206
10
9
4
6
7
2
HD
12
8
11
2456
5409
6458
SEE ALSO
BLOCK DIAGRAM
VIDEO
SEE ALSO
BLOCK DIAGRAM
VIDEO
SUPPLY
FB
ERR
22
F552 130V / div DC
F561 15V9 / div DC
100V / div DC
5µs / div
2V / div DC
5µs / div
100V / div DC
5µs / div
100V / div DC
5µs / div
F508 268V / div DC
F573 0V (N.A.)
F564 9V4 / div DC
F537 0V (N.A.)
F511 15V5 / div DC
F531 2V7 / div DC
I513
I516
I519
I533
www.freeservicemanuals.info
Содержание L04A AB
Страница 7: ...Directions for Use EN 7 L04A AB 3 www freeservicemanuals info ...
Страница 8: ...Directions for Use EN 8 L04A AB 3 www freeservicemanuals info ...
Страница 9: ...Directions for Use EN 9 L04A AB 3 www freeservicemanuals info ...
Страница 10: ...Directions for Use EN 10 L04A AB 3 www freeservicemanuals info ...
Страница 11: ...Directions for Use EN 11 L04A AB 3 www freeservicemanuals info ...
Страница 12: ...Directions for Use EN 12 L04A AB 3 www freeservicemanuals info ...
Страница 90: ...Revision List EN 90 L04A AB 11 www freeservicemanuals info ...