I2C And Supply Voltage Overview - Philips L04L Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms

I2C and Supply Voltage Overview

SUPPLY LINES DIAGRAM
A1
POWER SUPPLY
7541
1503
3 4
ENERGIZING
V_DG V_DG
CIRCUIT
2 1 (optional)
5520
6551
5551 5552
9 17 Vbatt
8
18
5562 6563 1543
4 14 -Vaudio
5 13
+Vaudio
6571
SUPPLY 3 5561 6562
10
PRIMARY
2
SIDE
+6VA
3571
12
7571
3575
REFERENCE
CIRCUIT
3576
3
1 +3V3
7515 7573
TCET1103
STDBY_CON
STANDBY
2
4 A4
CIRCUIT
6573
3532
POWER-DOWN
5531 7561
A4
6564 6565 6566
4
2564
5 3565
6535
10 +3V
2535 6676
+6VA
6536
5537
1 8 +6V
2536
2
6537
Vaux
6
S D
7535
G
7536
HOT GROUND COLD GROUND only used in sets with DVD
I2C BUS INTERCONNECTION DIAGRAM
A4 A5
HERCULES FEATURES & CONNECTIONS
+3.3V +3.3V
ERR
6
3202 3204
7200
3207
20 SDA
SET
PROCESSOR
3214
21 SCL
PART OF
VIDEO-
PROCESSER
6210 6211
(HERCULES)
+3.3V
22 WRITE_PROTECT
ERR
19,20
L04L AA 6.
A2 LINE + FRAME DEFLECTION
+Vbatt
5402
7405
7404
HDRIVE
A4
A7
AUDIO_AMPLIFIER
7990
TDA2616Q
-Vaudio 5
AUDIO
Vaudio+1 7 OUTPUT EW_DRIVE
A4
A6
CLASS D To 6407
on
A2
AUDIO AMP
(RESERVED)
3401
VT_SUPPLY
1903
Vaudio+1
+Vaudio
*
9911
* see diversity table
9910
V_DG
+6VA (To 3445)
+6VA
+6VA
A4
HERCULES
+3V
2X
2X
2X
Stdby_Con
A1
POWER_DOWN
A1
+5V
+5V
+3.3V
+3.3V
+Vbutter
+Vbutter
+6V
+6V
+8V
+8V
A3 A5
TUNER IF
SDA
SCL
3605 3604 3001 3000
5 6 5 4
1005
7601 1000
3601
1
PCF8511 TUNER
EEPROM
7
(NVM) 2
For
3
COMPAIR
ERR ERR
only
9 10
43
Vbatt
5445
Vbatt
EHT
TO
3
6483 6484 VIDEO SUPPLY
CRT
1 B1
FILAMENT
1404
LINE
1
FOCUS VG2
OUTPUT
To 3405, 3463,
CIRCUIT
2 3475
+
on
A2
E/W
HOR. 10
BCL
CORR.
DEFL.
COIL
1454 6452
6
-12V
6453 3458 VIDEO SUPPLY
5
3484
FILAMENT
7
3485 To 6403, 3480,
3420, b-7401,
c-7403
on
A2
6456
1452
+9V
8
3457 2456 6454
9
6455
3455
6459
To
VERTICAL
DEFLECTION
VT_SUPPLY
2X
+3V
3210
+1.8V_A
7204
3211
7200
DECDIG
3206
115
7201-2
HERCULES
16
PWM1
3209
+1.8V_B
15 7203
3208
31
3295
7201-1
7210
D 7209
6207
D
G
G
S
S
2204
3217
7202
PIP MODULE
(optional)
H F1 F2
LTI/CTI INTERFACE PIP POWER SUPPLY
1206 1206 1215 1214
1 1 1 1
3 3 3 3
3616 3617 3244 3243
14 11 5 6
7610 7242
TDA9178T SDA9488X
LTI/CTI PIP
PROC. PROC.
ERR ERR
15 12
B1 CRT B2 SCAVEM
VSVM
FILAMENT
1401 1351
1 1 VSVM
2 2 +200V
+200V
3 3 FILAMENT
FILAMENT
3351
4 4
+200A
5 5
A5
FEATURES & CONNECTIVITIES
1221
+9V 1
1212
+9V 12
+9V
+9V
+9V
4611
+9VA
3639
+9VA_1
3610 6610
+8V
+8V
9605
Vbuffer
Vbuffer
+3V
+3V (N.C.)
+6V
+6V
4604
+6VS
7603
L78L33ACZ
1 3
+3.3V
+3.3V
+5V
+5V
7605
3608
3606
VT_SUPPLY
7604
RESET +5V
3607 3609
A4
ERROR CODE LIST
TUNER IF
Error Device Error description
0 Not applicable No Error
1 Not applicable X-Ray/Over -voltage protection (US
only)
2 Not applicable High beam (BCI) protection
3 Not applicable Vert ical guard protection
5 Not applicable +5v protection
6 I2C bus General I2C error
3002 3001 3207 3206
9 24C16 I2C error while communicating
with the EEPROM
10 Tuner I2C error while communicating
5 4 10 11 with the PLL tuner
11 TDA6107/A Black current loop instability
protection
1000 7201
15 TDA9178T/N1 I2C error while communicatin g
UV1316 TDA9887
with LTI module
TUNER PIP
19 TDA1200x I2C error while communicating
PIP IF
with SSD stereo sound decoder
DEMO.
20 TDA1200x I2C error while communicating
ERR ERR with video cosmic in Hercules IC
4 16
A3
TUNER IF
+5V
9002 5001
+5V
To TUNER
Pin 6.7
VT_SUPPLY
To TUNER
Pin 9
6001
-/C33
A8
REAR I/O CINCH
Vbutter
Vbutter
A9 FRONT CONTROL
To LED
3690 3693
+5V
To 3-6692
(IR_REC)
6694
-/C5V1
1693
1
J
FRONT INTERFACE
1X
1693
1X
+6V
1X
G
LINEARITY & PANORAMA
1462
1
+9V
H
LTI/CTI
1212
1X
3610 6610 9613
12
+8V
2X
1X
Check item Diagram
2411, 2412, 2413, A2
6404, 6411, 6412
3404, 7405 A2
3466, 7451, 7452, A2
7453, 7454
7604, 7605 A5
7200, 3207, 3214 A4
7601, 3604, 3605 A5
1000, 5001 A3
7330, 3351, CRT B1
7610 H
7200 A4
7200 A4
E_14480_026.eps
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