I 2 C-Ic Overview - Philips FM24 Service Manual

Block Diagrams, Testpoint Overviews and Wiring Diagram
2
I C-IC Overview
IIC
CONTROL
SC7
FUNCTIONS 1
IIC BUS 1
+5V_STBY_SW
(slow 100KHz)
3414 3415
3404-C
86 SDA-1
MASTER
3404-D
HW IIC
85 SCL-1
7383
0382
SAA5801H
10
OTC
9
MAIN-
SERVICE
PROCESSOR
COMPAIR
(MASTER)
CONNECTION
ERR
91
ERR
92
ERR
93
ERR
94
ERR
95
ERR
96
ERR
97 IIC BUS 2
+3V3_CNTR_D
(slow 100KHz)
3410 3413
3404-A
88 SDA-2
SLAVE
HW IIC 3404-B
87 SCL-2
3398-C
PW_START
+3V3_CNTL_D
IIC BUS 4
3432 3430
3402-B
SDA_NVM_1
91
MASTER
HW IIC 3402-A
SCL_NVM_1
92
3433 3431
5 6
7430
4431
M24C32
74 RESET
ERR
(NVM) 7
7
EEPROM
3384
108 PW_RESET
3007
PW_FLASH_RESET
109
DATA 7500
MSM51V18165F
ADDRESS RAM
DATA
7506
ADDRESS
FLASH
FM24 6.
CONTROL CLOCK AUDIO
SC8 SC9 SC14
FUNCTIONS 2 GENERATOR PROC.
1 3
SCL_SW
7571
3541 3540
SDA_SW
+5V
4811 4810
15 4
3532 3531 3571 3570 3813 3812
1 16 13 12
15 14 9 10
SLAVE SLAVE SLAVE SLAVE
HW IIC HW IIC HW IIC HW IIC
7540 7530 7570 7812
PCF8574AT PCF8591 FS6377 MSP3415G
I/O EXP. ADC CLOCK AUDIO
GENERATOR PROC.
ERR ERR ERR ERR
5 2
3 4
PW164
SC10
+3V3_PW
3601 3600
3608 3604
A4 B1
MASTER MASTER
SW SW
3606 3605
D6 C2
IIC IIC
E2
EXT INT
NVM
SC9
7605
PW164
IIC BUS 5
CO-
PROCESSOR 3602
PW_SDA_NVM
A1
FOR
SCALER
3603
C4 PW_SCL_NVM
AND
OSD
4581
E3 PW_RESET
7
DATA 7628
CY62126
ADDRESS RAM
DATA
7630
M29W160DT
ADDRESS
FLASH
27
SOURCE CONTROL PROTECTION
SC13 SC8 P3
SELECT FUNCTIONS2
0319 0319
6 6
SCL_AUDIO
7 7
SDA_AUDIO
3795 3794 3371 3370
28 27 74 73
SLAVE SLAVE
HW IIC HW IIC
7798 7370
TEA6422Q PCF8574A
MATRIX I/O EXP.
SWITCH
ERR ERR
1 6
VIDEO-SEL. VIDEO-SEL.
SC4 SC5
ADC DECODER
IIC BUS 3
(slow 100KHz)
PW_SDA
PW_SCL
3209 3210 3250
+3V3_PW
3583 3580
92 91 P10 N9
SLAVE SLAVE
HW IIC HW IIC
3582 3581
7170
7225
AD9887KS
SAA7118E
5 6
7580 ADC +
VIDEO
M24C32 TMDS REC. DECODER
ERR
(NVM)
8
ERR
EEPROM ERR
10 9
VCA VGA
CONNECTOR
VGA1 IN
15P"D"SHELL 0371
CONNECTOR
DVI-D INPUT SOCKET
6
11 1
12
7
12 2
8
13
13 3
9
0375
14 4
7215 14
10
15 5
ST24FC21
SCL
15
6
DDC
6630 SDA
EPROM
VGA2 IN/OUT
7
15P"D"SHELL 0372
CONNECTOR
6
11 1
12
7
12 2
8
13 3 13
9
14 4
10 14
15 5
3633
15
BACK-END BACK-END
SC12 SC11
LVDS OUTPUT EPLD
+3V3_STBY_SW
3681 3685
SDA-1 SDA-1_3V3
SCL-1 SCL-1_3V3
3664 3662
7676
C5 C4
BSN20
SLAVE
D S
IIC
7656
G
7675
EP1K30FC256
BSN20
D S EPLD
ERR
G
12
3682 3686
SLAVE
IIC
C6 C8
+3V3_STBY_SW
3663 3661
3251 3284 3285
Error Device Description
1 TEA6422D Audio switch
MSP3451G Sound processor
2
3 PCF8574-SCAVIO I/O expander SCAVIO
4 PCF8591 AD-DA expander
5 FS6377 Clock generator
6 PCF8574-PSU I/O expander PSU
7 24C16 OTC NVM OTC
24C16 PW NVM PW
8
9 SAA7118 Video decoder
21 20
10 AD9887 ADC/TMDS receiver
SLAVE
11 SDA9400 De-interlacer
HW IIC
12 EP1K30QC EPLD processor
7280
SDA9400
20 Download comm. Errors during downloading
CSP comm. CSP time-out error
21
DE-
INTERLACER
30 PDP Display error
ERR
11
70 Vs overvoltage Overvoltage on Vs, Va, +3V3,
+5V or a combination
71 Vs undervoltage Undervoltage on Vs
72 Va undervoltage Undervoltage on Va
73 +5V undervoltage Undervoltage on +5V
74 +3V3 undervoltage Undervoltage on +3V3
DC-PROT Audio amplifier protection
75
76 TEMP-PSU Over-temperature in PSU
77 Protection with Not possible to read out a valid
7904
DCC-SDA-1
ST24FC21 reason unknown protection, but protection is
5
active (from PSU)
DDC
78 Protection after PW Scaler will not start comm.
7 NVM
several retries with OTC after several retries.
DCC-SCL-1
79 Temperature alarm Detection of over-temperature
91 OTC StubAbort
92 OTC MemoryCorrupt
7907
OTC OutOfMemory
DCC-SDA-2 93
ST24FC21
94 OTC StackOverflow
5
DDC
95 OTC WatchDogDied
7 NVM
96 OTC HwWatchDogDied
DCC-SCL-2
97 OTC Unknown
HW = HARDWARE
SW = SOFTWARE
BACK-END PLASMA DISPLAY
SC12 PDP
LVDS OUTPUT PANEL
0301
4680
16 6
SDA-1_3V3
18 7
SCL-1_3V3
4684
ERR
30
PW_SDA
PW_SCL
Item Diagr.
7798 SC13
7812 SC14
7540 SC8
7530 SC8
7570 SC9
7370 P3
7430 SC7
7580 SC9
7225 SC5
7170 SC4
7280 SC5
7656 SC11
PDP
7341 P3
7308A/B P3
7308C/D P3
7330A/B P3
7330C/D P3
7362 P3
7366A P3
n.a. n.a.
7383 SC7
7383 SC7
7383 SC7
7383 SC7
7383 SC7
7383 SC7
7383 SC7
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