I2C Overview - Philips LC4.41E Service Manual

Block Diagrams, Test Point Overviews, and Waveforms
2
I C Overview
I²C
B2 HERCULES
+3V3STBY
7217
TDA15021H
109
7221
108
ERR
HERCULES 6
5 6
SET
+3V3STBY
PROCESSOR
7207
+3V3SW
M24C16
EEPROM
104 NVM_WP_HERC
7
NVM
ERR
9
B6 DC-DC CONVERTER
+3V3STBY
3759
7756
122
B15B
DMMI
SWHW_I2C_SDA
112
SWHW_I2C_SCL
113
ERR
17
LC4.41E AA 6.
B8 SCALER B1 TUNER & IF
+3V3SW +3V3STBY
SDA
7220 SCL
N1 N2
5
7801 1102
GM1501H UV1318S
SCALER TUNER
ERR
ERR
4
10
B7
SCALER
M1 UART_TX
M2 UART_RX
+3V3SW
+3V3SW B11 FLASH / CONTROL
7758
P3
P4
NVM_WP_SCALER
AF5 7
M29W400D
ADDRESS OCMADDR
DATA OCMDATA
+3V3_IO
1
2
JTAG_TDI_SDA
AF7
JTAG_CLK_SCL
AD6
Reserved
for DMMI
JTAG
I2C
ADDRESS FSADDR
DATA FSDATA
25
B19 COLUMBUS B3 SYNC INTERFACE
4 A15 B15
7M00
1151
T6TU5XBG
SDA 1
2
SCL COLUMBUS
CTRL
3
+3V3STBY
ERR
SERVICE
11
CONNECTOR
COMPAIR
1177
3172
1
2
3173
3
SERVICE
CONNECTOR
UART
B12 HDMI
SDA_IO
SCL_IO
5 6
+5VHDMI_A
75 74
7C01
M24C32
K16
7D03
TDA9975
EEPROM
K15
ERR HDMI
+5VHDMI_B
8
PANELLINK
RECEIVER
J16
ERR
13
J15
7C03
ERROM
B10 B9
SDRAM SCALER INTERFACE
7A00
2
PCA9515ADP
1
3 6
2 7
7B01
K4D263238F
SDRAM RES
ERR
14
4A01
4A00
T OTC-FLASH
14 14
13 13
B18
ADC
38 37
7L01
P3563M
ADC
ERR
7
B14 DIGITAL I/O B20 PACIFIC3
4N30
4N31
198
1F02
DOC_SDAA 16
T6TF4AFG
15
DOC_SCLA
PACIFIC3
1F03
16
DOC_SDAB
15
DOC_SCLB
5 6 5 6
7D01 7D00
2x HDMI
M24C02
M24C02
CONNECTOR
EEPROM EEPROM
256x8 256x8
SDA_DMA_BUS1_DISP
SDA_DMA_BUS1_DISP
FOR PDP ONLY
(Depending on screen manufacturer)
86 85
7001
SAA5801H/
TV
CONTROL
ERR
15
(Only For 37" - 42" Sets)
SDA_PF3
SCL_PF3
+3V3SW
1N04
200
1
2
7N00 SDA
+3V3SW 3
SCL
1N03
4
1
MISC
SSDA 2 FOR
202
DEVELOPMENT
3
204 SSCL
USE ONLY (N.S.)
4
FOR PACIFIC3
PROGRAMMING (N.S.)
192 SPI_SO 5
191 SPI_SCK 6
7N02
194 SPI_CS 1 M25P05
ERR
16 SPI_WP
188 3
Flash
187 SPI_RST
7
512k
193 SPI_SI 2
1N17
(1G50)
31
30
TO
DISPLAY
(OPTIONAL PIXEL+)
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