I2C Ic Overview - Philips 32PF9968/10 Service Manual

Block Diagrams, Test Point Overview, and Waveforms

I2C IC Overview

I²C
B04E PNX85xx: CONTROL
+3V3-PER
3HPJ
AJ27 SDA3 SDA-SSB
I2C3-SDA
3HPH
AJ28 SCL3 SCL-SSB
I2C3-SCL
ERR
7H00 03
3HPB
PNX8537E
PNX85xx
3HPA
ERR ERR
05 53
3HPQ
3HPT
SDA-SSB
SCL-SSB
B04H PNX85xx: DIGITAL VIDEO IN
B04H
HDMI
E10 DDC-SDA
DDC-SDA
C9 DDC-SCL
DDC-SCL
3HPG
AK28 SDA2 SDA-2
I2C2-SDA
3HPF
AK29 SCL2 SCL-2
I2C2-SCL
B04A PNX85xx: STANDBY CONTROLLER
+3V3-STANDBY
B04A
3H41
AH3
DDC-SDA
3H38
AG4
DDC-SCL
7H02
M25P05
512
STANDBY
FLASH
CONTROL
P0.1
U4
P0.7
V3
3H59
AB1
RXD
3H61
AC5
TXD
E27
RXD
D28
TXD
3HPE
AH27 SDA1 SDA-SLAVE
I2C1SDA
3HPD
AK27 SCL1 SCL-SLAVE
I2C1-SCL
B04O
B04O PNX85xx: DIGITAL VIDEO OUT / LVDS
VID_OUT
TTL
9HWH
AF15 DV-B0_UART2-RX
B0_UART
9HWG
AK16 DV-B1_UART2-TX
B1_UART
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Q523.1U LA 6.
B06B PACIFIC 3: DISPLAY-INTERFACE
+3V3-STANDBY
1HP0
7HP5
3
PCA9540BDP
2 3HPS
9G53
4 SDA-SSB-MUX1
1
3HPR 9G54
2 CHANNEL SCL-SSB-MUX1
5
I2C
MULTIPLEXER
ERR
11
2
+3V3-STANDBY
1
B03B MAIN TUNER
3HPU 9T85
SDA-SSB-MUX2
7
ERR
24 3HPW 9T86
SCL-SSB-MUX2
8
ERR
12
B08F HDMI SWITCH
50 49
7J27
AD8191ASTZ
B08D HDMI
HDMI
SWITCH
89
ERR
90
23
AIN-5V
3JA1
85 PARX-DDC-SDA
3JA0
86 PARX-DDC-SCL
3JC5
93 PBRX-DDC-SDA
3JB0
PBRX-DDC-SCL
94
3JG7
98 PCRX-DDC-SDA
3JG6
99 PCRX-DDC-SCL
5
B04C PNX85xx: NVM / UART SWITCH 7JA0
M24C02
SDA-UP-MIPS
EEPROM
SCL-UP-MIPS
5 6
B08C EXTERNALS
7HC3
M24C64
EEPROM
(MAIN NVM)
7HC4
RESET-NVM_WP-NANDFLASH
8
UART-SWITCH
7HC0
74HC4066PW
RXD-UP 2
4
TXD-UP 9
3HC3
1 RXD
3HC6
8 TXD
RXD-MIPS 3
11
TXD-MIPS 10
56
B06A PACIFIC 3: LVDS B05C FPGA 1080P: I/O BANKS
C1 C2
LVDS
1G50
COONECTOR
3G52 TO DISPLAY
1 7F90-2
SDA-I2C4-DISP
OR EP2C8F256C7N
3G53
SCL-I2C4-DISP 2
FPGA 1080P
(EPLD)
ERR
28
9T51
SDA-MUX2-BUF
9T52
SCL-MUX2-BUF
7 6
1T04
TD1736F
MAIN
TUNER
ERR
34
AB02 VIDEO-FLOW AB09
1F50
41 SDA-I2C4-SSB
BIN-5V CIN-5V
40 SCL-I2C4-SSB
1B01
16
ARX-DDC-SDA
15
ARX-DDC-SCL
1B02
BRX-DDC-SDA 16
BRX-DDC-SCL 15
1B03
16
CRX-DDC-SDA
15
CRX-DDC-SCL
3x HDMI
CONNECTOR
6 5 6 5 6
7J29
7JA1
M24C02 M24C02
EEPROM EEPROM
Only for 120Hz
Dynamic Frame Insertion
B08A UART
7JE2
ST3232C
1HE2
3JE3
13 RXD2 3
R1-IN
9 R2-OUT
UART2
2
FOR
10
T2-IN 3JE2 FACTORY
TXD2 1
14
T1-OUT
USE ONLY
RS232
INTERFACE
3JE5 9J06
8 RXD-SERV
R2-IN
3JE4 9J07
7 TXD-SERV
T2-OUT
12 R1-OUT
11
T1-IN
UART
LEVEL ADAPTER
B06C PACIFIC 3 B03A CHANNEL DECODER B03B MAIN TUNER
9T16
SDA-SSB1
9T15
SCL-SSB1
198 200 70 69
7GE2-2 7T18
T6TF4HFG TDA10060HL
PACIFIC 3 CHANNEL
DECODER
ERR ERR
46 37
B06B PACIFIC 3: DISPLAY-INTERFACING B01B SUPPLY
+5V-ON
3F93
SDA-AMBI-3V3 7G61-2 SDA-AMBI
E1
3F94
SCL-AMBI-3V3 7G61-1 SCL-AMBI
E2
+3V3
DISPLAY AB06 FPGA DFI AB10 FPGA AMBILIGHT AB09 DISPLAY INTERFACING
INTERFACING
3F19
SDA-I2C4
3F20
SCL-I2C4
P2 P1 P11 R11
7F18 7F65
XC3S250E
EP2C35F484C7N 3F6J
B4 SDA-AMBI-3V3
4FTG256C(XILI)R
CYCLONE II
3F9E
(FPGA) SPARTAN A5 SCL-AMBI-3V3
FPGA
ERR
65
Only for 120Hz
Only for 120Hz Dynamic Frame Insertion Dynamic Frame Insertion
Dynamic Frame Insertion With AMBI-LIGHT
3J11
3
UART
3J12
SERVICE
2
CONNECTOR
23 24
7T57
TDA9897HL
IF
PROCESSING
ERR
26
3B59
5B10
3
TO AMBI-LIGHT
3B58
5B12 NODULE
1
+5V
3F45
7F09-2 3
TO AMBI-LIGHT
3B44
7F09-1 1 MODULE
+3V3
Only for 120Hz
With AMBI-LIGHT
H_16770_074.eps
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