Table of Contents
Advertisement
Block Diagrams, Testpoint Overviews, and Waveforms
2
I
C and Supply Voltage Overview
A1
POWER SUPPLY
1512
Degaussing
3503
Coil
t
90VAC-130VAC
5502
low range
1511
1500
6500
6501
T4E
1
2504
6502
6503
2
3527
7520
7521
TEA1506
14
3506
D
DRAIN
3523
3
11
G
DRIVER
S
3525
2
9
5
Vcc
SENSE
2521
3526
6
6520
7523
3522
6
7
CTRL
DEMAG
3528
3581
CONTROL
IC
6522
HOT GROUND
I2C BUS INTERCONNECTION DIAGRAM
A4
VIDEO PROCESSING
+3.3V
+3.3V
3602
3601
SDA
3605
3
7200-B
2
SET
SCL
3604
PROCESSOR
+3.3V
5
PART OF
VIDEO-
7641
3644
M24C16
PROCESSOR
11
WP
7
EEPROM
TDA93XX
(NVM)
ERR
ERROR CODE LIST
Error
Device
Error description
Check item
0
Not applicable
No Error
-
1
Not applicable
X-Ray Protection (USA)
7421, 2423, 6421, 6422
2
Not applicable
Horizontal Protection
7421, 7422, 7423
7461, 7462, 7463, 7464, 7465,
3
Not applicable
Vertical Protection
7466
Tone control & Audio processor I2C
4
TDA9853H
identification error
7861 (Stereo/Sap)
5
TDA93XX
POR 3.3V / 8V Protection
7200, 7541, 7491, 7493, 7496 A4, A1
6
I2C bus
General I2C bus error
7200, 3604, 3605
7
Not applicable
-
-
8
Not applicable
E/W Protection (Large Screen)
-
9
M24C16
NVM I2C identification error
7641, 3641, 3642, 3643
10
Tuner
Tuner I2C identification error
1000, 3003, 3004
3313, 7307, 7308, 7309, 7310,
7311, 7312, 7313, 7314, 7315,
11
Not applicable
Black current loop protection
7316, 7317, 7318, CRT
12
Not applicable
MAP I2C identification error (USA)
-
13
Not applicable
VC I2C identification error (Eu)
-
14
Not applicable
DVD I2C identification error
-
L03.2L AA
RESERVED
7580
1515
3
4
ENERGIZING
-12V
-12V
CIRCUIT
2
1
(optional)
5520
6562
5562
5563
MAINSUPPLY
11
6561
10
6560
5560
8
Vaudio
3549
3543
7
7540, 6540
REFERENCE
CIRCUIT
4
1
3544
EHT
7515
A2
7451
TCET1103
2
+3V3A
3
+3V3A
7541
Std_Con
STANDBY
A4
CIRCUIT
COLD GROUND
A3
A5
TUNER IF
AUDIO BTSC STEREO
DECODER
(economic)
ERR
6
SDA
SDA
SCL
SCL
6
38
5
4
1000
7861
TUNER
TDA9853H
UV1336
AUDIO
PROC.
ERR
ERR
9
10
1003
1
Diagram
-
2
A2
FOR
A2
3
COMPAIR
ONLY
A2
A5
A4
-
-
A4
A3
B1
-
-
-
6.
EN 12
A2
DEFLECTION
3424
-12V
7421
5421
BUT11APX
7423
7422
H-DRIVE
2428
3425
Vaudio
0221
1
3403
MAINSUPPLY
4
3423
2406
1x
6423
2x
5401
3402
FILAMENT
FRAME
7464
V-DRIVE-
3463
7466
3470
7461
7462
V-DRIVE+
7465
7463
1402
1
3465
3464
2
3474
-12V
40
4
5441
EHT
EHT
1
FOCUS
7
VG2
2
FOCUS
VG2
+160VD
10
EHT
A1
3447
3410
EHT 0
A4
FILAMENT
3451
6451
BEAM-
A4
LIMIT
2455
6452
HOR.
DEFL.
COIL
6447
3448
9
+160VD
3459
VT SUPPLY
3445
6446
8
-12V
3443
6448
5
FILAMENT
3444
6444
6461
3446
2460
4
6463
6462
2465
3475
FRAME OUT
A4
VERT.
DEFL.
COIL
A4
VIDEO PROCESSING
B1
Vaudio
3494
7493
1
3
+3V3
Vaudio
4491
6491
A1
+3V3A
In
A2
FILA-
3495
7494
MENT
+5V
3496
3497
6492
+8V
4379
7496
+8V
3493
7491
5482
+8VD
3491
VTSupply-A
3492
B1
CRT
EHT
FOCUS
VG2
170 V0
1300
1400
3313
7
To VIDEO
2
OUTPUTS
3
8
FILAMENT
VT SUPPLY
1x
A3
-12V
3x
A6
FILAMENT
2x
A3
TUNER IF
+ 5 V
+ 5 V
VT supply
VT supply
6001
-/C33
VT Supply-A
1x
2x
A5
AUDIO PROCESSING
5861
+ 8V
41 - 7861
1x
1x
A6
AUDIO AMPLIFIER
1 - 7901
Vaudio
or
1 - 7902
+ 5V
+ 5V
FILAMENT
FILAMENT
A7
AUDIO FRONT I/O
+ 3V3A
1x
+3V3A
F_15380_001.eps
050405
Advertisement
Table of Contents
