I2C And Supply Voltage Overview - Philips 29PT5445/85 Service Manual

Block Diagrams, Test Point Overviews, and Waveforms
2
I C and Supply Voltage Overview
A1
POWER SUPPLY
0212
1515
3 4
ENERGIZING
Degaussing
3504
CIRCUIT
Coil
2 1
(optional)
t
MAINS
SWITCH
0211 5500 6504 5570
1500
AC
F510 5520
T4E 1 8
2503
5562
DC 2 13
0231
(NOT FOR
NAFTA)
12
3527
3
7520
3506 7521 COLD GROUND
TEA1507 14
D
3523
DRAIN
11 G
5560
10
DRIVER
I505 S
I514
3525 I533
2 9 5
Vcc SENSE
3526
3522
7 6
6520
DEMAG 9
6520
6
7523
CTRL
VCC
2528
CONTROL
IC 4
1
3528
7515
TCET1103
2
3
HOT GROUND
ERROR CODE LIST
rror Device rror description Check item
0 Not applicable No rror -
1 Not applicable X-Ray Protection (USA) -
2 Not applicable Horizontal Protection 7421, 7422, 7423
3 Not applicable Vertical Protection 7461, 7462, 7463, 7464,
7465, 7466
4 AN5891K & Tone control & Audio 7821 (tone IC), 7841
AN5829S processor I2C identification (Stereo/Sap)
error
5 TDA93XX POR 3.3V / 8V Protection 7200, 7541, 7491, 7493,
7496
6 I2C bus General I2C bus error 7200, 3604, 3605
7 Not applicable - -
8 Not applicable /W Protection (Large Screen) -
9 M24C16 NVM I2C identification error 7641, 3641, 3642, 3643
10 Tuner Tuner I2C identification error 1000, 3003, 3004
11 Not applicable Black current loop protection 3313, 7307, 7308, 7309,
7310, 7311, 7312, 7313,
7314, 7315, 7316, 7317,
7318, CRT
12 Not applicable MAP I2C identification error -
(USA)
13 Not applicable VC I2C identification error ( u) -
14 Not applicable DVD I2C identification error -
L03.1U AA
A9
DVD POWER SUPPLY
(optional)
DVD_SUPPLY
5571
3 2
7570
SI2306D
1
VTsupply-A 3571
A2
DEFLECTION
LINE
-12V 3424
5461
7423
7422
H DRIVE
A4
7580
-12V
Vaux/Vaudio 3425
I553
6570
DVD-SUPPLY
6463
(OPTIONAL)
6563
FILAMENT
F540
6562 MAIN SUPPLY
5563
6561
FRAME
F542
V DRIVE-
6560
Vaux/Vaudio
1 x
A4
2 x
3463
3549
V DRIVE-
7461 7462
7540, 6540
3543
3549 PW_ADJ
REFERENCE
A4
CIRCUIT
7451
3544 EHT 3465
A2
+3V3B
7541
Std_Con
A4
STANDBY
CIRCUIT
Diagram
I2C BUS INTERCONNECTION DIAGRAM
-
A7
CONTROL
-
+3.3V +3.3V
A2
A2
3602
7200-B
SDA
3605
A5 SET
3
PROCESSOR
2
PART OF
SCL 3604
A4, A1 +3.3V
VIDEO-
PROCESSOR
TDA9370
A4
3644
-
WP
11
-
A4
A3
B1
-
-
-
6. EN 14
7571
L4978
1572
F567
+8V-DVD
5572 5574
5 4 1
Vcc OUT
+8V-DVD TO MPEG
CONTROL 3
6571 CARD
1
5573
5 (optional)
F566
1571
+12V-DVD F568
5575
1
TO DVD
ENGINE
4
(optional)
5441
EHT
1
7
7421
BUT11APX
2
F425
FOCUS VG2
10
F422
3447
0221
6408 1
3451 6451
3403
2
6407 2455 6452
HOR.
DEFL.
COIL
2406
F449
3448 6447
9
3459
5401 3402
F448
3445 6446
8
7464
3443
F446
6444
5
F461 3444
6466
7466
3446
4
3470
7465
6463
7463
0222
1
VERT.
3464
2
DEFL.
COIL
-12V
3474
A3 A5
TUNER IF AUDIO PROCESSING
(only for stereo sets)
ERR
3601 6
SDA SDA
SCL SCL
5 6 5 4 14 13
7641 1000 7821
M24C04 TUNER AN5891K
EEPROM UV1336 AUDIO
7
(NVM) PROC.
ERR ERR ERR
9 10 4
1003
1
2
FOR
3
COMPAIR
ONLY
B1 CRT
1300
7
8
B1 A4
VIDEO PROCESSING
160VD
FILAMENT
EHT
FOCUS
VG2
3494
7493
1 3
Vaux/Vaudio
EHT A1
6491
EHT 0 A4
A1
In
BEAM- A4
LIMIT
A2
FILA- 3495
7494
MENT
+160V
1x
VT_SUPPLY
3496
2x
-12V
3497
FILAMENT
2x
6492
2x
4379
7496
3493
7491
3491
VTSupply-A
3492
-12V, VT supply-A,
FILAMENT, VT supply,
Vaux/Vaudio FILAMENT
19 41
7841
AN5829S
AUDIO
DECODER
ERR
4
EHT
FOCUS
VG2
160 V
FILAMENT
A3
TUNER IF
+ 5 V
+ 5 V
VT supply
VT supply
1622
9282
VT supply-A
7
VT Supply-A
8
2x
Vaux/Vaudio
A5
AUDIO PROCESSING
+3V3
5841
+ 5 V
7 - 7841
4491 5821
+ 8V
23 - 7821
+3V3A
1x
A6
AUDIO AMPLIFIER
1 - 7901
Vaux/Vaudio
2x
or
+5V
1 - 7902
1x
+ 5V
+ 5V
FILAMENT
FILAMENT
A7
AUDIO FRONT I/O
4698
+ 3V3A
+3V3B
+8V
1x
3693
1x
+ 3V3B
3 - 6692
1x
+8VD
5482
A8
REAR I/O CINCH
+ 8 V
+8V
4163
+8VA
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