Block Diagrams; Block Diagram (Tuner-If-Video) - Philips LC03E Service Manual

Block Diagrams, Testpoint Overviews, and Wiring Diagram
6. Block Diagrams, Testpoint Overviews, and Wiring Diagram

Block Diagram (Tuner-IF-Video)

A 3 A 5 A 4
TUNER +5V4 VIDEO & QSS IF
+5V4
7301-A
1452
VIF1
6,7,3 8 1
1100 9
11
TV
VIF2
7 2
10
FM
4 5 1 AGC
7
SDA-0
A1
SCL-0
A1
7130//7131
8
1454
VSIF1
SIF-FM 7
A8
9
VSIF2
8
7452
SEL-IF-LL_M-TRAP
A1
A 11
SCART IO
SCART 2 15 C-SC2_SVHS-IN A5
21
Y/CVBS-In 10 CVBS-SC1_AV1-IN
20
16
MON-Out
Y-CVBS-SC2_AV2-IN
A1
15 C-In
A11
COMM-LINE A1
P50
A11
STATUS2_SVHS-RR-DET A1
Status
L-In
16 CVBS-SC2_MON-OUT A4 A11
12 L-Out
12
LR-SC2-OUT A8 A1
2 R-In L
11 1
R-Out
11
R
LR-SC2_AV2-IN A8
SCART 1
21
20 CVBS-In 10 7224 EF
9
CVBS_TER_OUT A4
9 TER-Out
A1
FBL-In FBL-SC1-IN A4
7
R-In
7 R-SC1-IN_V-IN A4
6
6 G-In G-SC1-IN_Y-IN A4
5 B-SC1-IN_U-IN
A4
Status
5 B-In
LR-SC1_AV1-IN
L-In A8
STATUS1 A1
2 L-Out A1
2 R-In
2
1 R-Out 1 LR-SC1_AV-OUT A8
L
A1
1
R A1
LR-CL_VL-OUT A8
A1
AUDIO-L OUT
AUDIO-R OUT
D
SIDE AV
4 4 C-FRONT-IN
A5
3242
7 7 SVHS-SIDE-DET
A1
C
Y
SVHS 2
VIDEO
2 2 Y-CVBS-FRONT-IN
A5
L
6,8 6,8 LR-FRONT-IN
AV3
A8
R
A 10
LOCAL SUPPLY 7900
3900
12-24DC-SUP_1
7901
STANDBY
A1
TO/FROM
4
1003 OF
SCALER
3 7904
BOARD
2 3904
7903
C 1
1
LC03E
VDP - COLOUR PROCESSING
+8V3A
23
7302
EF
16
Sound
Traps
(SCART)
CVBS_TER_OUT
7303
EF
27
QSS Mixer
AM Demod.
11
3308
MAIN-CBVS-EXT-IN
MAIN-C-EXT-IN
A 5
EXT. VIDEO SELECT
7412-B
7401-C 7401-B
5 2
EF
4 15
3 A 5
1
SEL-MAIN-R1R2
9 10
Y-CVBS-FRONT-IN
7412-A
7401-A
C-SC2_SVHS-IN
12 EF
14
C-FRONT-IN
13
11
SEL-MAIN-FRNT-RR
E
KEYBOARD 2 2
1091~4
A 7
J FRONT
AUDIO DELAY (80ms)
INTERFACE
PC-TV-LED 1
1
STBY-LED 1008
3
3
4
RC5
4
LIGHT-SENSOR_SDM 6 1002
6
7
+8V3 7
7910 1
8
S Q
A 8
R 2 AUDIO PROCESSING
3
7
OSC
6910
4
REF
391x
VCC
6 5
+8V3
2913
A4 SIF-TV
7930 1
8
A3 SIF-FM
S Q
1903
R 2
A11
7 3
OSC
LR-SC1_AV1-IN
6930
4
REF
3901 VCC
LR-SC2_AV2-IN
6 5
+5V4
2933
LR-FRONT-IN
7920 1
8
S Q
PC-HDAUDIO-LR
POWER-DOWN
2
R
A1 A9
3
7
OSC
LR-CL_VL-OUT
4 6920
REF
LR-SC2-OUT
VCC
3925
SEL-MAIN-R1R2
6 5
+3V5
LR-SC1_AV-OUT
6. 27
A 4
VDP - COLOUR PROCESSING
MAIN-CBVS-EXT-IN
MAIN-C-EXT-IN
7301-B 24 29
54
A11
+
21
20
SIF-TV
+
A8 7330
EF
CVBS-SC2_MON-OUT
26
A11
R-SC1-IN_V-IN
41
RGB/ COLOUR
A11
G-SC1-IN_Y-IN 42 49
YUV DECOD-
A11 B-SC1-IN_U-IN
43
INT ING
A11
52
HISTOGRAM
7403
14 7 Y-MAIN 40 51
RGB/ RGB/
19 2 45
U-MAIN
YUV YUV
HISTOGRAM
18 3 46 MATRIX
V-MAIN MATRIX
YUV
17
16 5
I2C
INTER-
BUS
FACE
+8V3A SC 18
Y-HISTOGRAM
39 CTRL
U-HISTOGRAM 47
SAT.
V-HISTOGRAM CTRL
48 CAT.
CALIB.
R-TXT-OSD 35 33
G-TXT-OSD 36 RGB RGB 32
INPUT OUTPUT
B-TXT-OSD 37 31
FBL-TXT-OSD 38
A1
7601/2 7603 7605
A0
A0----A7
7604
32KX8
STATIC
RAM
A13
2
27
11,13
1,11
7651 6
1 2 3 5
23
50
21
DEMOD- I2C
D/A
52
ULATOR INTERF
20
17
IDENT D/A
18
44,45
DSP
41,42
28,29
D/A D/A
25,26
38,39
36,35
INPUT SWITCH
A1
7680 7678/9
2,12
1,13
14,15
10,11
A 6 A 5
ANALOG COMB FILTER
C-SYNC GENERATOR
A5
7427
7380~1
SANDCASTLE1
EF
1
12 7
2380
7405
Y-IN
14
COMB
C-IN 16
FILTER
5,6
+5V
SYS1 11 10 9 7390~1
SYS2
7428
EF
LINEDRIVE1
COMB-ON C-SYNC
H-SYNC
CLOCK12MHZ
+8V3
1330
A1
7301-C
53
SCL G
SDA
15625
7350
EF
R-DRIVE
7353
EF
G-DRIVE
G
TV TV
50/60Hz
7356
EF
B-DRIVE
V-SYNC
A 9 AUDIO AMP 2x3W
(15" & 17")
4614
1,11
A1
HP-SIDE-DET 2750
3750
2751
12-24DC-SUP_1
7731
2
+
6
2752
4
-
1
VCC
AUD_SW
10
AUDIO-L
-
AUDIO-R 8
12
+
STB VOL
5 9
+3V5
7732 14
A1 SOUND_ENABLE 1
3
2
A10 POWER-DOWN 9
8
10
3743
7744
12
11 2746
A1 STAND-BY 13
7674/5
OUT_MUTE
Ver 1.0 Final 03-03-06
7382
EF
7383~5
56
57
SC A5
(HISTOGRAM)
64
1733
EXT. SW
1731
HP
LEFT
4
3
RIGHT
1
2
CL 36532023_003.eps
190303