Philips L03.2L AA - I2 C and Supply Voltage Overview

EN 12L03.2L AA 6.
Block Diagrams, Testpoint Overviews, and Waveforms
I
2
C and Supply Voltage Overview
POWER SUPPLY
1512
43
2
1
2
7
10
11
3
6
2
5
6
1
1511
90VAC-130VAC
low range
3543
5562
3544
A1
Degaussing
Coil
1515
5520
7580
7520
TEA1506
DRAIN
DRIVER
SENSE
DEMAG
CONTROL
IC
CTRL
Vcc
ENERGIZING
CIRCUIT
(optional)
6501
6503
6500
6502
5502
8
1
2
4
3
1500
T4E
2504
6562
6561
-12V -12V
5563
5560
6560
Vaudio
3549
A4
A2
Std_Con
HOT GROUND COLD GROUND
7540, 6540
REFERENCE
CIRCUIT
7541
+3V3A
+3V3A
STANDBY
CIRCUIT
7515
TCET1103
3527
3525
3523
3526
7521
14
11
9
3522
7
D
S
G
6520
3528
7523
7451
EHT
F_15380_001.eps
050405
FRAME
MAINSUPPLYMAINSUPPLY
DEFLECTION
A2
A1
-12V
7421
BUT11APX
5421
3424
0221
1
4
HOR.
DEFL.
COIL
1402
1
2
VERT.
DEFL.
COIL
5441
1
7
2
FOCUS VG2
EHT
10
EHT
A4
EHT 0
A4
A4
A3
A6
BEAM-
LIMIT
3447
9
6446
8
5
4
6463
3445
3446
3475
VT SUPPLY
VT SUPPLY
6447
+160VD
+160VD
-12V
-12V
FILAMENT
FILAMENT
FILAMENT
3448
3313
3459
6452
6001
-/C33
6451
6444
6448
3443
3444
FRAME OUT
6422 2423
2406
5401
3402
3403
7423
7422
3425
Vaudio
FILAMENT
3463
3465
3464
7463
7461
7465
7462
-12V
3470
7466
7464
3474
3451
2455
FOCUS
EHT
VG2
1400
2
3
3423
6423
2428
3410
2460
6462
6461
2465
3503
3506
t
3581
6522
2521
RESERVED
H-DRIVE
V-DRIVE-
V-DRIVE+
TUNER IF
A3
+ 5 V
+ 5 V
+ 8V
1300
7
8
VT supply
VT supply
VT Supply-A
CRT
B1
EHT
FOCUS
FILAMENT
170 V0
To VIDEO
OUTPUTS
VG2
AUDIO PROCESSING
A5
5861
41 - 7861
+ 5V
AUDIO AMPLIFIER
A6
1 - 7901
or
1 - 7902
+ 5V
FILAMENT
FILAMENT
+ 3V3A
AUDIO FRONT I/O
A7
+3V3A
Vaudio
1x
1x
3x
2x
VIDEO PROCESSING
B1
A4
Vaudio
FILA-
MENT
4379
3493
7493
3494
3
A1
A2
In
1
3495
5482
4491
+3V3
+5V
+8V
1x
+8VD
+3V3A
6491
7494
6492
3496
3497
7496
7491
3492
3491
VTSupply-A
+8V
2x
1x
1x
Vaudio
VIDEO PROCESSING
A4
TUNER IF
A3
3605
7641
M24C16
EEPROM
(NVM)
3604
3643 3642
65
3
2
11
WP
7
ERR
9
7200-B
SET
PROCESSOR
PART O F
VIDEO-
PROCESSOR
TDA93XX
ERR
6
SDA
SCL
SCL
SDA
3602
+3.3V
3644
+3.3V
3601
+3.3V
1000
TUNER
UV1336
3003 3004
45
ERR
10
1
2
1003
3
AUDIO BTSC STEREO
DECODER
(economic)
A5
7861
TDA9853H
AUDIO
PROC.
3865
3866
4038
ERR
4
SCL
SDA
FOR
COMPAIR
ONLY
I2C BUS INTERCONNECTION DIAGRAM
ERROR CODE LIST
Error Device Error descri
p
tion Check item Dia
g
ram
0 Not a
pp
licable No Error - -
1 Not a
pp
licable X-Ra
y
Protection
(
USA
)
7421
,
2423
,
6421
,
6422 A2
2 Not a
pp
licable Horizontal Protection 7421
,
7422
,
7423 A2
3 Not a
pp
licable Vertical Protection
7461, 7462, 7463, 7464, 7465,
7466 A2
4 TDA9853H
Tone control & Audio processor I2C
identification error 7861
(
Stereo/Sa
p)
A5
5 TDA93XX POR 3.3V / 8V Protection 7200
,
7541
,
7491
,
7493
,
7496 A4
,
A1
6 I2C bus General I2C bus error 7200
,
3604
,
3605 A4
7 Not a
pp
licable - - -
8 Not a
pp
licable E/W Protection
(
Lar
g
e Screen
)
--
9 M24C16 NVM I2C identification error 7641
,
3641
,
3642
,
3643 A4
10 Tuner Tuner I2C identification error 1000
,
3003
,
3004 A3
11 Not a
pp
licable Black current loo
p
p
rotection
3313, 7307, 7308, 7309, 7310,
7311, 7312, 7313, 7314, 7315,
7316
,
7317
,
7318
,
CRT B1
12 Not a
pp
licable MAP I2C identification error
(
USA
)
--
13 Not a
pp
licable VC I2C identification error
(
Eu
)
--
14 Not applicable DVD I2C identification error - -
1x
2x