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Block Diagrams, Testpoint Overview, and Waveforms
I2C-IC Overview (FM23 AC/FM24 AB/FM33 AA)
IIC
SC7
CONTROL
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
SAA5801H
0382
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
3404-B
HW IIC
87
SCL-2
3398-C
PW_START
+3V3_CNTL_D
IIC BUS 4
3432
3430
3402-B
SDA_NVM_1
91
MASTER
3402-A
HW IIC
SCL_NVM_1
92
3433
3431
5
6
7430
4431
M24C32
74
RESET
ERR
(NVM)
7
7
EEPROM
3384
PW_RESET
108
3007
109
PW_FLASH_RESET
DATA
7500
MSM51V18165F
ADDRESS
RAM
DATA
7506
ADDRESS
FLASH
FM33
6.
SC8
CONTROL
SC9
CLOCK
SC14
AUDIO
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
3606
SW
SW
3605
D6
C2
IIC
IIC
E2
EXT INT
NVM
SC9
7605
PW164
IIC BUS 5
CO-
PROCESSOR
3602
A1
PW_SDA_NVM
FOR
SCALER
3603
C4
PW_SCL_NVM
AND
OSD
4581
E3
PW_RESET
7
DATA
7628
CY62126
ADDRESS
RAM
DATA
7630
M29W160DT
ADDRESS
FLASH
44
SC13
SOURCE
SC8
CONTROL
P3
PROTECTION
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
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
VGA
VCA
CONNECTOR
VGA1 IN
15P"D"SHELL
0371
CONNECTOR
DVI-D INPUT SOCKET
6
11
1
12
7
12
2
8
13
3
13
9
0375
14
4
7215
10
14
15
5
ST24FC21
SCL
15
6
DDC
6630
SDA
EPROM
7
VGA2 IN/OUT
15P"D"SHELL
0372
CONNECTOR
6
11
1
12
7
12
2
8
13
3
13
9
14
4
14
10
15
5
3633
15
SC12
BACK-END
SC11
BACK-END
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
rror Device
Description
TEA6422D
Audio switch (only
1
MSP3451G
Sound processor
2
3
P F8574-S AVIO
I/O expander S AVIO
4
P F8591
AD-DA expander
5
FS6377
lock generator
6
P F8574-PSU
I/O expander PSU
24 16 OT
NVM OT
7
8
24 16 PW
NVM PW
9
SAA7118
Video decoder (only
N9
21
20
10
AD9887
AD /TMDS receiver
SLAVE
11
SDA9400
De-interlacer (only
HW IIC
EP1K30Q
EPLD processor
12
PDP
Display I2 error
13
7280
14
PDP H2-version (FHP)
The "high brightness" mode (only for H2) does not function
SDA9400
15
LM75A
Temperature sensor I2 error (only for 37-inch)
DE-
20
Download comm.
Errors during downloading
INTERLACER
SP comm.
SP time-out error
21
ERR
11
30
PDP
Display HW error
31
PDP
Display warning code (e.g. loose connector or defective PSU)
Temperature alarm
Detection of over-temperature
40
70
V_s overvoltage
Overvoltage on V_s, V_a, +3V3, +5V or a combination
71
V_s undervoltage
Undervoltage on V_s
72
V_a undervoltage
Undervoltage on V_a
73
+5V undervoltage
Undervoltage on +5V
+3V3 undervoltage
Undervoltage on +3V3
74
7904
DCC-SDA-1
75
D -PROT
Audio amplifier protection
ST24FC21
76
TEMP-PSU
Over-temperature in PSU
5
77
Protection with reason unknown
No valid protection can be read, but protection is active (PSU)
DDC
7
78
Protection after several retries
PW Scaler will not start comm. with OT after several r e tries
NVM
DCC-SCL-1
9x
OT
Internal OT error (replace OT )
7907
DCC-SDA-2
ST24FC21
5
DDC
7
NVM
DCC-SCL-2
SC12
BACK-END
PDP
PLASMA DISPLAY
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
S 13
nhanced
7812
S 14
7540
S 8
7530
S 8
7570
S 9
7370
P3
7430
S 7
7580
S 9
nhanced
)
7225
S 5
7170
S 4
nhanced
)
7280
S 5
7656
S 11
7372
P3
7341
P3
7308A/B P3
7308 /D P3
7330A/B P3
7330 /D P3
7362
P3
7366A
P3
7383
S 7
L 36532051_034.eps
040703
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