I2C Overview - Philips LC4.9E Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

I2C Overview

²
I C
B2 HERCULUS +3V3STBY
7217
TDA15021H
109
108
ERR
HERCULES 6
5 6
SET
+3V3STBY
PROCESSOR
7207
M24C16
EEPROM
104 NVM_WP_HERC
7
NVM
ERR
9
B14 DIGITAL IO
DCC_5V
1F00
7
6
DVI-D
CONNECTOR
2 JTAG_TDI_SDA
1 JTAG_CLK_SCL
JTAG
I2C
IBO ZAPPER
B15 SCART ANALOGUE IO K5
112 SW_I2C_SDA 1
2
113 SW_I2C_SCL
ERR
17
LC4.9E AB
SCALER
B8
SDA
SCL
N1 N2
7801
GM1501H
SCALER
ERR
4
B7 SCALER
M1
M2
P3
P4
SDA_DVI N3
SCL_DVI N4
NVM_WP_SCALER
AF5
5 6
7F03
M24C02
ADDRESS
EEPROM
256x8
DATA
+3V3IO
ADDRESS
AF7
AD6
DATA
(Only For DVB Sets)
ANALOG BACKEND FRONT END
K6
+5V
3513
1 I2C_TV_SDA
3512
2
I2C_TV_SCL
I2C_TDA_SDA
I2C_TDA_SCL
5 6 4
9 8
1600 7602
TD1316L M24C256
TUNER EEPROM
DIGITAL CHANNEL DECODER
6. 29
TUNER & IF
B1 B19
5 4
1101
1
SDA
1102
UV1318S
2
SCL
3
TUNER
SERVICE
CONNECTOR
ERR
COMPAIR
10
1107
3122
UART_TX 1
2
3123
3
UART_RX
SERVICE
CONNECTOR
UART
+3V3SW
B11 FLASH / CONTROL
SDA_IO
SCL_IO
5 6
7C01
M24C32
7 EEPROM
ERR
8
7C00
MX29LV040
OCMADDR
FLASH ROM
OCMDATA
SDRAM
B10
7B01
K4D263238F
FSADDR
SDRAM
FSDATA
ERR
14
K1 MOJO K2
+5V
I2C_local_SDA
I2C_local_SCL
+5V
3 8 6 9 8 7 6
7600 7100
TDA10046 PNX8316HS
185 WP
COFDM MOJO
COLUMBUS ADC
B18 +3V3SWB
7L07
7L06
A15 B15
7M00
T6TU5XBG
+3V3SWB
COLUMBUS
CTRL INTERFACE
ERR
11
SCALER INTERFACE EPLD
B9 B21 B20 EPLD
4N21
4N22
T2
7A00
1P07
PCA9515ADP
(1G50) 7N02
EP1C12F256C8N
3 6 31
EPLD
30
2 7
BANK 4
ERR
16
RES
TO
DISPLAY
4A01
4A00
FOR
PDP ONLY
MEMORY MEMORY
K7
5 6 30 31
7203 7700
M24C64 ST70700
7
EEPROM PCMCIA
CONTROLLER
57 56
7L04
MST9883C
ANALOG
ERR
7
R2
+3V3SW
1N02
1
SDA 2
3
4
SCL
FOR
DEVELOPMENT
USE ONLY
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