Block Diagram Video - Philips 42PF9945 Service Manual

Wiring Diagram, Block Diagrams and Overviews

Block Diagram Video

VIDEO
TUN1 IF, I/O VIDEOPROCESSING
B13 B2
7402
CVBS-TER-OUT
1
1407
7411
EF
SOUND
+5V +33V +33V
FILTER
I6 V1
5T02 6TO8
7323
-/33
TDA9320H 10 12
1TO1
UV1318ST
7,3 9 SAW FILTER
I5
5403 VIDEO
T1
VIF1
TUNER 2
GROUP
11 IF-TER PLL
1 VIF2
ERR 3 DEM DELAY
13
COR.
40,4 1410
1408
5 4 1
AGC1
TUNER AGC
62
SAW FILTER
AUDIO
QSS
SIF2 64
MIXER
SIF1 63 QSS-AM
AM
DEMO
1409
5
AGC SOUND-OUTPUT
MONITOR
B5A QSS-AM
B6A
7410
CVBS-SC1-AV1-IN
2
CVBS-AV3-IN
3
Y-CVBS-SC2-AV2-IN
4
C-SC2-SVHS-IN
5
Y-CVBS-FRONT-IN
6
C-FRONT-IN
7
CVBS-SC2-MON-OUT
8
R/G/B-SC1-Y/U/V-IN
9
R/G/B-SC2-IN R/G/B-SC2-V-IN
10
B14B
3
AV3-CVBS-IN
SCART 1 SCART 3
21 21
1 20 20
SC1-CVBS AV3-CVBS-IN
TER-CVBS-OUT 19 19
IN-SC1-FBL
16 16
15 15
R-SC1-IN V-IN
9
11
G-SC1-IN Y-IN 11
STATUS-SC3
STATUS SC1
8 8
7 B2 7 B5A OTC
B-SC1-IN U-IN HIP
IN-SC1-FBL
4
IN-Y-CVBS-SC2-AV2
SCART 2
B14G
21
8 20 IN-Y-CVBS-SC2-AV2
SC2-CVBS MON-OUT 19
5 16
15
SC2-R C-IN AV2
9188
10
SC2-G-IN 11
P50
B5A OTC
7 8 STATUS SC2
SC2-B-IN-C-OUT 7
B2 HIP
SC2-FBL-IN
SC1-CVBS
VGA RGB
7D52
B19A B19C
7D53
7D54
1 R-VGA R-VGA-BUF Y-VGA
RGB/
2 G-VGA G-VGA-BUF U-VGA
YUV/
3 B-VGA B-VGA-BUF MATRIX V-VGA
4
VGA1 IN
15P "D"SHELL 5
CONNECTOR
6
7
7D59
8
M24801
9 +5VdcOUT 8
H-SYNC-VGA
10 SDA 5 NVM
V-SYNC-VGA
11 SCL 6
SUB-Y-2FH
12
H-SYNC-VGA 7D51
13
TDA8601T
V-SYNC-VGA
14
15
U-VGA 2
SUB-U-2FH 6
2FH I/O
B14C Y-VGA 3
SUB-Y-2FH 7
Y-2 SUB-Y-2FH
V-VGA 4
YPbPr/
Pb-2 SUB-U-2FH SUB-V-2FH 8
YUV
MATRIX
15
Pr-2 SUB-V-2FH
16
FTP1.1E
TUN1
B6A
SEE BLOCK DIAGRAM
CONTROL
B5A
CVBS-TXT
OTC
7307
7322 7320 TDA9181 7412
14 Y
EF EF EF
COMB
16
12 FILTER
C
V2
Y5
13 14 26 29 28
C Y
7414
V6
9A04
Y50 Y-PIP+MAIN-IN
Y 49
Y
HIP Y
PROC. Y/U/V 9A05
U 50 U50 U-PIP+MAIN-IN
SWITCH
V 51
VIDEO V7
ERR SWITCH 9A06
V50 V-PIP+MAIN-IN
8
+ U V Y U V
CONTROL
V8
DECODER
C
C PAL
PROC.
NTSC
SECAM
L8
SEE
BLOCK DIAGRAM
HA50
SYNC H-SYNC 60
AUDIO
SEPAR. PROC.
F14
7740
16
VA50
V-SYNC 61 2 4
18 PROC.
1
1305
7741
PAL
54
20 2 4
4.43MHz
1308
21
1
Y U V
57 NTSC M
23 3.57MHz
RGB/YUV
24 46 SCL-F
MATRIX
R G B R G B SDA-F
47
32 34 36 37 38 39 41 42 43 40
1 2 3
N.C.
7415
B19D
7V01
EP1C12Q240C0
9
CLK-2FH
13
CLK-32P
H-2FH-AD-OUT
6 V-2FH-AD-OUT
7 SYNCDET
8
Href-EXT
B19D
26
1
VA
12
Href-EXT
14
HD-E
7E02 15
VD-E
EPCS1
DATA
2
EPLD
FLASH CLOCK
6
RAM
1E03
PROGRAM
CONN.
2,3,4,13,16,17,
19,20,21,212,23,26
9, 10
7L01
AD9883AKST
26
SERIAL
57
REGISTER
SDA-F3
+
56
SCL-F3 POWER
MAN.
6
66 H-2FH-AD-OUT
30 SYNC
7
PROC. 64 V-2FH-AD-OUT
31
+
8
65 SYNCDET
CLOCK
49
9(2x)
GENERATOR 67 CLK-2FH
ERR
RGB/YPbPr
53
OUTPUT SELECTION
CLAMP
12 U-2FH
2-9
3-STATE
CLAMP
Y-AD (0-7)
CLAMP 70-77
11 Y-2FH A/D
3-STATE UV-AD (0-7)
CLAMP COVERTER
12-19
CLAMP
U-AD (0-7)
10 V-2FH
3-STATE
CLAMP
3503
13
3-STATE
SELECT-VGA-YPBPR
5 10
6. 30
PICNIC FALCONIC
B3A B3B
7718
7711 64K SAA4992
M27C512 PROM
7712
74HC573D
LATCH
7713 7714
SAA4978H MS81V04160
L6
23
DIGITAL
L7
DA (0-15) MF (1-17)
3x SIGNAL PROCESSING
ADC FIELD
25
MEMORY FALCONIC
FM1
CLI6
L8
PICNIC
26
WEC
FEA
RSTW
ERR
RSTR
3
RNRST
L10
3727
HA50
28 SYNC PROCESSING
SNDA
L11
SNCL
3722
29
REF
1
SNDA
21
2
SNCL
SCL-F 4
Href-EXT
SDA-F 30
5
INTR1 12
89 CLK 32P
13(2x)
12,21
4 5
EPLD + LVDS
+ B19F
SUPPLY
CLK-2FH
UV
CLOCK
CONVERTION
SWITCH 9 CLK-64
16
CLK-32I
18(2x)
CLK-VID
STANDARD
DEFLECTION PWR-OK-PDP CLKP
LCD-PWR-ON
1:2
EPLD
LAMP-ON
1FH, 2FH
SELECT-VGA-YPBPR
10
ERR
Vref 56
SYNC Href 2(2x)
SDA-F3
CONTROL
RSTR 11
REF 17
SCL-F3
FALREF 21
19 SN-CL
REFIN
20
SWITCH-1FH
SN-DA
INPUT
SWITCH-2FH 4
CONTROL
3(2x)
HD3-OTC
3704
VD-EPLD
TO OTC
3703 HD3-EPLD B5A
VD-OTC
SEE ALSO
BLOCK DIAGRAM
B3A
CONTROL
2,3,4,9,10,11,
16,17,18,19,20,21
23
13 3
18
22
2FH INTERFACE
B3D
(ZERO DELAY BUFFER)
7746
7747 CY23S02
13
CLK-32P 2 4 2 8 CLK-32E
IN OUT
3
SWITCH-2FH
1
3855 3848
7748
18
CLK-32I 2 4 1
FBIN
1
22
CLK-32O
EAGLE
B3C
7717 7717
MSM54V12222A MSM54V12222A
FIELD FIELD
MEMORY MEMORY
2 3
7722
MS81V04160
FIELD
Y-2FH (0-7) MEMORY YGO (0-7)
FM4
(lower lines)
UV-2FH (0-7) UVGO (0-7)
2FH INTERFACE
B3D
(BUFFERS)
7723
MS81V04160
7743
FIELD
YF (0-7) BUFFER YF-BUFF (0-7) YGO (0-7)
MEMORY
ERR 7745
26 FM5
(lower lines)
UVF (0-7) BUFFER UVF-BUFF (0-7) HVGO (0-7)
CLK32I
7742 18 FALREF
19 REFIN
Y-2FH (0-7) BUFFER
20 Vref
7744
2 INSTR1
UV-2FH (0-7) BUFFER
5
SNDA
SNCL
Href
CLK32E
11
23
2,5,11,18,
19,20,23
7V02
DS90C385MTD
R (0-7)
UV DEMUX TTL
YUV PARALLEL
CONTRAST
OSD
to G (0-7)
SATURATION
INSERTION
RGB
LVDS
BRIGHTNESS
B (0-7)
LVDS
transmitter
PATH PATH 45 PARITY 25
FOR FOR
3FH 55 HS-OUT 27
ONLY ONLY
CLKP
54 28
VS-OUT
49 DE-OUT 30
50 CLK-OUT 31
PLL
53 LVDS-PWR-DOWN 32
HD3-OTC
OSD
OTC
B5A B3A B19E
7E23
7E08
7E13
7001 7E17
SAA5801H 7E20
3046-a 3705
77 R-TXT 2FHR-GFX R-OSD
3046-b 3706
78 G-TXT 2FHG-GFX G-OSD
TXT
3046-c 3707
OSD 79 B-TXT 2FHB-GFX B-OSD
3046-d 3708
80 FB-TXT 2FHFB-GFX BL-OSD
SEE ALSO
BLOCK
DIAGRAM
CONTROL
7724
TBF24EF
Y-OUT (0-9)
U-VOUT (0-9)
EAGLE
ERR
27
RSTR
17
CLK64
HD-E 16
14
VD-E
CLOCK 32O 15
22
I/O3
B20
+3V3-EPLD
1
1Y01
48 TXLCD0- 16
47 TXLCD0+ 15
TXLCD1-
46 13
to
TXLCD1+ 12
45
42 TXLCD2- 10
TXLCD2+
41 9 PDP-
DISPLAY
38 TXLCD3- 4
37 TXLCD3+ 3
1
14
LVDS
Conn.
17
20
40 TXCLKLCD- 7
TXCLKLCD+
39 6
CLK-OSD
+VB
7E21
7E16
AD9066JR
DXB R-OSD (0-5)
11
A/D
6
DXA G-OSD (0-5)
1
7E09
AD9066JR
11 DXB B-OSD (0-5)
A/D
6
DXA BL-OSD (0-5)
1
CL 36532075_001.eps
201003