I2C Overview - Philips Colour Television Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms

I2C Overview

I²C
B7 PAINTER
+5V2_CON
7001
SAA5667HL
3029
82
SDA-F
3027
81
SCL-F
+5V2_CON
ERR
SET PROCESSOR 6
(PAINTER)
3028
84
SDA-S
N.C.
3026
83
SCL-S
N.C.
+3V3_INTPAINTER
80
SDA_NVM
78
SCL_NVM
5 6
+3V3_INTPAINTER
7012
M24C32
EEPROM
7
97 WC_NVM NVM
ERR
10
7011
CY7C1019
ADDRESS
ADDRESS
RAM
DATA DATA
3063 3067
47
G-TXT
DPTV585 AA 6.
B1 SIMM CON. B2 IF,I/O VIDEOPROCESSING B4 HOP
47 46 11 10
7323 7301
TDA9320H TDA9330H
HIP HOP
ERR
ERR
30 5
C6 INTERCONNECTIONS C1 TUNER
1000 1020
3906
46 SDA-IN
3911
47
SCL-IN
1201
5 4
1
TO PIP
2
1106
UV1336BE/A
1033
TUNER
8
6
ERR
TO MMI
12 13
10
H1 ACS MODULE
6 6 SDA_C
4 4
SCL_C
7 7 RXD 2 2
SDA_A_Rxd
9 9 TXD 1 1 SCL_A_Txd
7020÷7021
8
7002
STV2050A
VIDEO
7023÷7024
PROCESSOR
9
J1 HOP PANEL
5 5
4 4
11
TDA9331H
DISPLAY
PROCESSOR
18
B6 AUDIO DEMODULATOR B3 FEATURE BOX
2 1
7651
MSP34XX
AUDIO
DECODER
ERR
14
U1 UART INTERFACE PANEL
1009 1001
2 SDA
4
SCL
1028
1
33 32 2 1
2
RES
7017 7002
3005
11
CXA2089S 3 P89LPC921
3003
12
AUDIO MICRO
1030
VIDEO CONTROLLER
1
SWITH
2
RES
ERR ERR
3 37
103
H3 ACS MODULE
4304
4302
EF
EF
5 6 5 6 1300
7000 7001
M24128-MN6 M24128-MN6
EEPROM EEPROM
17Kx8 17Kx8
I2C BUS B
TEST CONNECT
J2 HOP PANEL
3955
SDA
3956
SCL
1030 1111
10 3 4
1 11
7600 7800
2 12
TDA8444T/N4
3
OCTUPLE
6 BIT DAC
+5V2_CON
5 4
7708
1 61
7709
SAA4990H
SAA4978H
62
2
PROZONIC
PICNIC
3702
89
CLK32
3739
88
CLK16
7716
DATA DATA
M87C257
EPROM
1
Rx
TO P1206
Tx 3 ATSC
H2 ACS MODULE
3205
SDA_C 11
3204
7100
SCL_C 10
SAA5667HL
MICRO
CONTROLLER
Rxd 16
Txd 17
SDA_B 29
SCL_B 28
1
2
3
15 26 15 26
7714 7715
MSM54V12222A MSM54V12222A
FIELD FIELD
MEMORY MEMORY
F_15120_015.eps
020805