I2C-Ic's And Error Codes Overview - Philips LC03E Service Manual

Block Diagrams, Testpoint Overviews, and Wiring Diagram

I2C-IC's and Error Codes Overview

IIC
A1
+3V5 +3V5
3048 3047
3085
82 SDA-0
3017
81 SCL-0
7064
SAA5667
+3V5
U-CONT
3064 3065
1 SDA-NVM
78 SCL-NVM
5 6
7066
M24C32
ERR ERR
(NVM)
12,29 10,11
EEPROM
3018
84 SDA-1
3019
83 SCL-1
SRAM
A2
7070
CY7C1019CV33
SRAM
ERR
15
PC-IN
C7
DDC5V
7201
3212 3211
74HC4052D
3216
12 3
3215
15
13
DDCCTL
LC03E 6.
TUNER IF-VIDEO
A3 A4
3101 3100 3332 3331
1111
1
5 4 18 17
2
1100 7301
TUNER TDA8845
3
UR1316 BOCMA
VIDEO
COMPAIR
PROC.
ERR CONNECTOR
13
FOR SERVICE
ERR
8
(REACHABLE VIA
HOLE IN REAR
COVER)
uP
A1 C2 C8
+5 +5
1010 1681 3768 3769
3753 7753
14 14
4
PC251
3754
12 12
7
uC
SCALER
ERR
29
1 DDCSDA
2 TXD
12 DDCSCL
15 RXD
7202
M24C02-WMN6
EEPROM
30
AUDIO COMB
A8 A6 B
PROCESSING FILTER
1426 1801
5 5
6 6
3621 3620
2 1
7620
MSP3410G
AUDIO
DECODER
ERR
14
+5 +5
3751 3752
3771
3 IIC SDA
3770
2 IIC SCL
11 RXD
5 6
13 TXD
7752
M24C16
NVM
ERR
25
IIC SDA
+3V3
IIC SCL
+5
RXD RXD
TXD TXD
RESET
CONNECTION
FOR
3D COMB
FILTER
(OPTIONAL)
VIDEO VIDEO
C3 C9 C10
DECODER CONVERTER
3327 3328 3356 3354
P10 N9 46 45
7302 7351
SAA7118E FAROUJAS2300
VIDEO VIDEO
DECODER CONVERTER
ERR ERR
23 22
1752
Error codes
1
Error code Error description Possible defective
components
2
0 No error detected —
1 - 3 Reserved
FOR
3 4 5V protection IC7930 or +5V I2C
DEBUGGING
active devices
PURPOSE
5 Reserved
4 6 General I2C bus I2C bus s/c or o/c
error
7 Reser ved
8 BOCMA I2C error IC 7301
9 BOCMA 8V supply IC 7910 or IC7301
failure
1751
10 NVM I2C error IC 7066
1
11 NVM identification IC 7066
failure
12 uProcessor internal IC 7064
2
RAM test failure
13 Tuner I2C error IC 1100
FOR 14 Sound processor IC 7620
3
I2C error (MSP34xx)
DEBUGGING
15 SRAM I2C error IC 7070
PURPOSE
16 Reserved
4
17# 3D CF processor IC 7823
I2C error
18 - 20 Reserved
5
21 Scaler protection IC 7402
active
22 Scaler protection IC 7351
active
23 Scaler protection IC 7302
active
24* HDTV decoder I2C IC 7252
error
25 Scaler protection IC 7752
active
26 Reserved
27 Scaler protection IC 7471
active
28 Scaler protection IC 7472
active
29 Scaler uP I2C error IC 7753 or IC 7064
* = Not app licable to Europe execution
# = Only for NAFTA 23" execution
HDTV
DECODER
(only for AP, NAFTA
and LATAM)
3267 3266
57 56
7252
AD9883AKST
HDTV
DECODER
ERR
24
Diagram
----
A3, A8, A10
A4
A4, A10
A1
A1
A1
– UR13xx A3
A8
A2
B
C4
C9
C3
C10
C8
C6
C6
C8, A1
CL 36532023_039.eps
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