Block Diagram Video - Philips FM23 AC Service Manual

Block Diagrams, Testpoint Overview, and Waveforms
Block Diagram Video (FM23 AC/FM24 AB/FM33 AA)
VIDEO
VGA VGA
VGA SC6
CONNECTOR INPUT
0371 0318 0318
VGA1-R VGA1-R 2 VGA1-R
1 F303 31
VGA1-G VGA1-G 4 VGA1-G
2 F304 29
VGA1-B VGA1-B 6 VGA1-B
3 F305 27
VGA1-TXD VGA1-TXD 12 VGA1-TXD
4 F308 21
VGA1 IN
15P"D"SHELL VGA1-RXD
VGA1-RXD 13
CONNECTOR 5 F309 20
7900
6
6
11 1
6 9 RC-VGA1 15 RC-VGA1
7
12 2 7 18
8
13 3
9
8
14 4
10
RC-VGA1
15 5
9
1 4 VGA1-H 8 VGA1-H
10 F306 25
VGA1-RXD
11
DCC-SDA-1 13 10 VGA1-V 10 VGA1-V
12 F307 23
VGA1-H
13
VGA1-V
(EBOX-
14
PRESENT)
DCC-SCL-1 5 10 EBOX-PRESENT 29
15 4 SC7
DDC
TV MODE
7
NVM 7937
7940
7904
ST24FC21
0372
VGA2-R VGA2-R 17
1 F311 16
VGA2-G VGA2-G 19
2 F312 14
VGA2-B VGA2-B 21
3 F313 12
VGA2
VGA2-TXD VGA2-TXD 27 VGA2-TXD
IN/OUT 4 6
15P"D"SHELL
VGA2-RXD 28 VGA2-RXD
CONNECTOR 5 5
7910
6 6
11 1
7 9 8 VGA2-H 23 VGA2-H
12 2 7 F314 10
8
13 3
9 8
14 4
VGA2-V
10
2 3 VGA2-V
15 5 25
9 N.C. F315 8
10
VGA2-RXD 11 12
11
DDC-SDA-2
12
VGA2-H 6 5
13
VGA2-V
14
VGA2-
DDC-SCL-2
15 OUTN
VGA-OUTN 31
DDC
2 SC6
NVM
7907 7915
ST24FC21
30 RC-OUT
RC-OUT 3
32
+5V-STBY-SW 1 +5V-STBY-SW
RS 232 INPUT
SC6 SC3
7352
0376
ST3232E 7303 C+D
RS-232
IN/OUT
1
14 11 TXD-2 11 12 VGA2-TXD
5 RXD
10 2
4
9 TXD 13 12 RXD-2 9 8 VGA2-RXD
3
3
8
2 RL_ICN
7
4
1 6366 10,13
6
5 PS-232-ACT SELECT-4 SC8
SC7
7303 A+B
GL_ICN
6
3 2 VGA1-RXD
LD_ICN
7
5 6 VGA1-TXD
IR_TX
8
IR_RX
9
1.4
SELECT-1 SC8
10
3913 7340 A+B
VGA1-RXD
11
74HC4052D
7310
1 TXD-OTC
3 TXD-OTC
5 TXD-PW 7315, 7316
SC7
SEE
RXD-OTC
12
BLOCK DIAGRAM
13
CONTROL 14
10
TDX-PW
9
LOGIC 7325, 7326
SC10
6
RXD-PW
SELECT-3
SC8
SELECT-2
7322 7323
RC
RC-OUT
SC8
7320
RC-VGA1
RC-CONTR
SC7
7321
FM33
VIDEO SELECTION
SC3
7146
7145
74HC4052D
VGA1-R 2
VGA2-R 4
3
R-2Fh 1
7148
R-YUV 5
7311-A
VGA2-R
7151
VGA1-G 15
VGA2-G 11
13
G-2Fh 12
7311-B 7154
G-YUV 14
VGA2-G
9 VIDEO-SEL-1
10 VIDEO-SEL-2
LOGIC
7311-C
VGA2-B
7157 7158
VGA2- 74HC4052D
VGA1-B 2
OUTN
VGA2-B 4
3
SC6
B-2Fh 1
7160
B-YUV 5
9 VIDEO-SEL-1
10 VIDEO-SEL-2
VGA1-H
LOGIC
SC11 SC7
VGA1-V
SYNC
SC2
SELECTION
7009
74HC4052D
VGA1-V VGA1-V 2
VGA1-H VGA2-V 4 3 V-ADC
1,5
VGA2-V 7007 A+C
SC11
74HCT4053T V-HD
VGA2-H
VGA1-H 15
12
VGA2-V 14 VGA2-H 11 13 H-ADC
13
12,14
H-HD
5
VGA2-H
4
3
7060
VGA2-EN
VGA2-EN NOT 6
SC10
9 SYNC-SEL
VGA2-OUT
VGA2-OUTN 11-9 10 VIDEO-SEL-2
SC10
LOGIC LOGIC
7065
SC6
7370 A+B
6379
VGA1-V
5 7 SYNC-ACT
O.S.
VGA1-H SC7
6378 UART-ACT DVI-D INPUT
VGA1-RXD 11 9 SC4
O.S.
SC7 0375
1
2
6
7
9
VIDEO SELECTION
& MATRIX
10
7141
AV3 (HD) F071
R R-2Fh
14
R/Pr/Cr
16
7138
F070
17
G G-2Fh
G/Y/Y
18
7135 23
F074
B B-2Fh
24
B/Pb/Cb
7088 7089
2fh 1fh 2fh
2Fh 7079 7090 I054 74HCT4053D
7102
V-HD-EXT R-NTSC 5
4
Pr
V R-ATSC 3 CLAMP
RGB
F072
7074 MATRIX I065 I058
7103
H-HD-EXT
G-NTSC 2
Y 15
H
G-ATSC 1 CLAMP
F075
7084 I078 I072
7104
B-NTSC 12
Pb 14
B-ATSC 3 CLAMP
I083
SC11 SC11
MATRIX-SEL HD-CLAMPN
VIDE-SELECTION
SC5
DECODER
1fh BUFFER
DECODER DE-INTERLACER
1Fh 7117 7225 7280
SAA7118C SDA 9400
Cr Cr
8x Y-DEC
VIDEO
7113 DE-
ADC DE-
INTERLACER
8x UV-DEC
Y Ys CODER
F240
Y-HD
H-DEC 23
SYNC
SYNC
7121 Y-HD V-DEC 22
CNTRL
Cb Cb F247
clock 54
F073 P4
CVBS
PW-SDA
AV1
3250
ERR
SC10
9
C
CLOCK
3250
SC9
F236
AV2 Y
PW-SCL
4 3 ERR
F235
1250
SC9 11
2 1 VIDCLK
5
24.576MHz
SVHS
6. 33
VIDEO SELECTION - ADC
SC4
7170
ADC-TMDS
AD9887KS
7129
F146
8x
R-ADC 119 8x
ADC 8x
8x
G-ADC 110 8x
ADC 8x
7130
F152
8x
B-ADC 100 8x
ADC 8x
138
SC8
V-ADC 81
139
H-ADC 82
SYNC. PROC
140
GBLKSPL +
93
SC10 CLOCK
134
GENERATION
GCOAST
94
137
7131
F158
RXO+ 62
8x
SC8 8x
8x
RXO- 63
RX1+ 59
8x
8x
RX1- 60
8x
RX2+ 56
TMDS
RX2- 57
RECEIVER
F211
8x
RXC+ 65 8x
8x
RXC- 66
RTHERM 53 DATACK
F210
DE
H-SYNC
ERR
10
V-SYNC
PW-SDA 3209
92
91
PW-SCL 3210
SC10
SC8
RX2-
RX2+
SCL 6
DDC 7215
SDA 5 EPROM ST24FC21
RX1-
SYNC SELECTION 7000 - 7002
SC2
RX1+ & SWITCHING 7006 - 7010
V-HD-EXT
6210
+5V-STBY-SW
RXD- V-SYNC
75 OHM-ON H-SYNC
SC11 PROCESSING
RXD+
RXC+ H-HD-EXT
RXC-
7025 A-B
LM319D
7100-B
COMPARATOR
R-YUV
BLANKING
10 + 7
-
7100-C
5 12
G-YUV +
BLANKING -
7100-A
7007-B +5B
74HCT4053D
B-YUV
BLANKING
Y-HD 2
15
1
SC11
C-SYNC-OUT
HD-BLANKN
SC11
10 6
3051
SC11
H-PRESNT
VGA2-EN-NOT
8x Y-OUT
SCALER - CLOCK
SC9
GENERATOR
8x UV-OUT
61 V OUT-DEINT
60 H OUT-DEINT
24.576 MHz
F246
62 V PEN
F245
CLKOUT-DEINT 3571
26 SDA-1
SC7
F249
PW-SDA
3284
21
SC10
3570
3285 SCL-1
20
SC7
SC10
PW-SCL
SCALER-PW164-MEMORY BACK-END-EPLD
SC10 SC11
7605
PW
PW164
8x GRE (0-7)
8x DRE (0-7)
8x GRO (0-7)
8x GGE (0-7)
8x DGE (0-7)
8x GGO (0-7)
SC9
DCK EXT
8x GBE (0-7)
8x DBG (0-7)
VIDEO
8x GBO (0-7)
PORT
PARITY
ADVS DVS
F619 F637
ADHS DHS
F633 F639
ADSOG DEN
SYNC
DECODER
GCLK F634 DCLK
AND
TIMER
ADDE F618 F638
GBLKSPL
SC4
GCOAST
FBX MODE
1-2 FH
CLKOUT-DEINT
8x Y-OUT SYNC
8x UV-OUT
VOUT-DEINT YUV
TO
HOUT-DEINT RGB
VPEN
7630
SC7 PW-START
M29W160DT
DATA
PW-PRESET
SC7 ADD FLASH
CLOCK ROM
CNTRL
SC9 MCLK GEN
3608
SDA-2 7628
CY62126
SC7
DATA
3606 MICRO-
SCL-2
PROCESSOR ADD
SC5
SRAM
CNTRL
F615 PW-SDA 3604
SC5 SC11
3605
PW-SCL SC6
F616 PW-NVM
SC9
RXD-PW
SC10
7580
SC6
TXD-PW UART
M24C32
F569 SDA
5 SC8
VGA2-OUT
SC2 SCL NVM
6
VGA2-EN F567
VIDEO-SEL-1
SC8
ERR SC10
VIDEO-SEL-2 8
SC11 SC3 SYNC-SEL
SC12
CONTROL FUNCTIONS
SC8
V-SYNC-TTL
7540
PCF8574A
3541 4
SDA1 15
SELECT-1
V-SYNC-POL-N
SC7 5
SCL1 14
SELECT-2
I/O
SC6
6
3540 EXP.
H-SYNC-TTL
SELECT-3
7
SELECT-4
ERR
9
H-SYNC-POL-N 3 VIDEO-SEL-1 SC6 SC3 SC10
10
POWER-DOWN SC12
11
VIDEO-SEL-2 SC6 SC3 SC10
12
3548
V-SYNC-CMP
MSP-RESET SC14
7563
H-SYNC-CMP
7530
PCF8591
0315
7040 SC7 1
TEMP-
1
LM 1881M 3532
SDA1 9 SENSOR S1
ADC
2
1 C-SYNC-LM (OPTIONAL)
SCL1 10 ERR
2 0316
SYNC 4
SLICER SC7 2
3 V-SYNC-LM 3531 TEMP-
1
SENSOR S2
2
(OPTIONAL)
3
TEMP3-SENSOR P3
7060
VGA2-EN
SC10
7574
7570
74LVC125A
FS6377
F566
5 15 2 3
VIDCLK
SC5
(24.567 MHz)
5
13
6 F565
CLOCK 6
VXCA
SC14
GENERATOR
(18.432 MHz)
AUDIO
1
F563
12 9
8
MCLK
SC10
(120 MHz)
ERR
5
16
F564
10 12 11 DCKEXT
SC10
(36 MHz)
7656-A+B+C
EPLD
EP1K30FC256
A
8x R-OUT (0-7)
DIGITAL 8x G-OUT (0-7)
CONTRAST
8x B-OUT (0-7)
PARITY-OUT
V-SYNC-OUT
SYNC H-SYNC-OUT
DELAY
BLANK-OUT
SC12
PWRDWN-LVDS
75 OHM-ON
V-SYNC-TTL
SC2
V-SYNC-POL-N
H-PRESENT
SC2
H-SYNC-TTL
HD_BLANKN
H-SYNC-POL
SC3
HD_CLAMPN
C-SYNC-LM
SYNC
PROC.
V-SYNC-LM C-SYNC-OUT
SC2
V-SYNC-COMP
TV MODE
H-SYNC-COMP
SC6
VGA1-V V-HD
VGA1-H H-HD
VGA2-V
VGA2-H
SYNC-SEL
VIDEO-SEL-1
VIDEO-SEL-2
7655
PW-SDA
DATA EPC2
B
PW-SCL
CNTRL PROM
CONTROLS
SDA-1-3V3
585
3664 C
SCL-1-3V3 PROG
SUPPLY
SOCKET
& GROUND
3662
BACK-END-LVDS OUTP
PDP
SC12
LVDS
INTERFACE
7670
CONNECTOR 0318
DS90CC385M
8x R-OUT (0-7) 48 TX OUT0-M 19
50-56
47 TX OUT0-P 17
2-4
46 TX OUT1-M 15
8x G-OUT (0-7) 45 TX OUT1-P 13
SC11
6-8
42 TX OUT2-M 11
10-15
TTL PARALLEL
41 TX OUT2-P 9
TO
SC11
LVDS
8x B-OUT (0-7) 38 TX OUT3-M 3
(LVDS
16,18-20
37 TX OUT3-P 1
ENCODER)
22-25
F619
V-SYNC-OUT
28
F690
H-SYNC-OUT
27
F692
BLANK-OUT
30
PARITY-OUT
25
38 TX CLK OUT-M 7
DCLK
31
SC10 TTL
37 TX CLK OUT-P 5
LVDS
PWDWN--LVDS 32
4
SC12 POWER DOWN
3680
14
SDA-1-3V3
SC12
3684
18
SCL-1-3V3
PDP-GO 8
PDP-GO
CPU-GO 10
SC7 CPU-GO
IRQ-PDP 6
IRQ-PDP
PDP
PLASMA ERR
CL 26532038_001.eps
DISPLAY 30
PANEL
150402