Philips LC03E, Service Manual

Page: 27 / 126

Block Diagrams, Testpoint Overviews, and Wiring Diagram
27 LC03E 6.
6. Block Diagrams, Testpoint Overviews, and Wiring Diagram
Block Diagram (Tuner-IF-Video)
1100
+5V4
6,7,3
9
4 5 1
11
A 3
TUNER
TV
FM
+5V4
Sound
Traps
+8V3A
1452
1454
VIF1
VIF2
AGC
VSIF2
VSIF1
1
2
7
8
9
23
16
27
7301-A
8
7
7
8
A 4
VDP - COLOUR PROCESSING
QSS Mixer
AM Demod.
3308
11
10
7452
7130//7131
A 5
VIDEO & QSS IF
EF
EF
COLOUR
DECOD-
ING
RGB/
YUV
INT
RGB/
YUV
MATRIX
RGB
INPUT
I2C
BUS
CTRL
CAT.
CALIB.
RGB
OUTPUT
+
+
54
21
20
49
51
17
52
18
33
32
31
29 24
26
7301-B
COMB-ON
SCL
SDA
41
42
43
7302
7303
EF
7330
EF
EF
EF
7350
7353
7356
7401-C 7401-B
7401-A
SEL-MAIN-FRNT-RR
SEL-MAIN-R1R2
Y-CVBS-FRONT-IN
5
3
4
9
2
1
15
10
12
13
11
A 5
EXT. VIDEO SELECT
EF
EF
7412-B
14
7412-A
C-FRONT-IN
MAIN-CBVS-EXT-IN
MAIN-C-EXT-IN
DSP
I2C
INTERF
D/A
D/A
D/A
IDENT
D/A
DEMOD-
ULATOR
INPUT SWITCH
AUD_SW
AUDIO-L
AUDIO-R
SDA SC
L
7651
23
21
20
17
18
28,29
41,42
44,45
38,39
2 1
A 8
AUDIO PROCESSING
A 9
AUDIO AMP 2x3W
(15" & 17")
AV3
L
R
3242
SVHS 2
4
7
2
6,8
SIDE AV
C
Y
D
VIDEO
I2S_DATA_OUT I2S_CLOCK I2S_DATA_IN
3 5 6
7674/5
36,35
TO/FROM
1003 OF
SCALER
BOARD
LR-FRONT-IN
Y-CVBS-FRONT-IN
C-FRONT-IN
SVHS-SIDE-DET
4
7
2
6,8
LR-SC1_AV-OUT
LR-SC1_AV1-IN
LR-SC2_AV2-IN
LR-FRONT-IN
PC-HDAUDIO-LR
1233
A8
A1
A5
A5
A8
A8
A11
A11
A 4
VDP - COLOUR PROCESSING
A1
A1
A5
A4
A4
A1
1
2
20
21
AUDIO-L OUT
AUDIO-R OUT
1
2
20
21
SCART 2
SCART 1
R-Out
R-In
L-Out
L-In
B-In
Status
G-In
R-In
FBL-In
TER-Out
CVBS-In
1
1
2
2
5
5
6 6
7
7
9
9
10
R-Out
L-Out
R-In
L-In
Status
P50
C-In
MON-Out
Y/CVBS-In
11
11
12
12
10
15
15
16
16
EF
LR-CL_VL-OUT
LR-SC1_AV-OUT
LR-SC2-OUT
STATUS1
CVBS-SC2_MON-OUT
B-SC1-IN_U-IN
G-SC1-IN_Y-IN
R-SC1-IN_V-IN
LR-SC2_AV2-IN
LR-SC1_AV1-IN
Y-CVBS-SC2_AV2-IN
CVBS-SC1_AV1-IN
COMM-LINE
CVBS_TER_OUT
FBL-SC1-IN
STATUS2_SVHS-RR-DET
C-SC2_SVHS-IN
7224
A4
A4
A1
A1
A8
A8
A4
A4
A8
C-SC2_SVHS-IN
A11
A 11
SCART IO
0204
7680
LR-CL_VL-OUT
LR-SC2-OUT
SEL-MAIN-R1R2
7678/9
KEYBOARD
1234
2
+8V3
RC5
1231
6
7
1
4
3
PC-TV-LED
STBY-LED
LIGHT-SENSOR_SDM
A1
A1
A1
A1
A1
R
L
R
L
S Q
R
OSC
REF
7901
3900
5
1
2
3
4 2911
+8V3
VCC
6
S Q
R
OSC
REF
5
1
2
3
4
2931
+5V4
VCC
6
7910
7
7
7930
391x
7903
7904
STANDBY
A1
12-24DC-SUP_1
4
3
2
1
1902
3904
3925
1903
3901
393
x
A1 A9
7900
A 10
LOCAL SUPPLY
6930
5931
6910
5911
2913
2933
SIF-TV 50 A4
A11
2
1150
E
1091~4
FRONT
INTERFACE
1170
1
3
4
6
J
1002
1008
7
8-BIT COUNTE
R
S
32KX8
STATIC
RAM
A0
A13
D-LATCH
D-LATCH
4614
A0----A7
A 7
AUDIO DELAY (80ms)
7601/2 7603
7604
7605
35
36
37
R-TXT-OSD
G-TXT-OSD
B-TXT-OSD
FBL-TXT-OSD 38
A1
RGB/
YUV
MATRIX
YUV
INTER-
FACE
SAT.
CTRL
Y-MAIN
U-MAIN
V-MAIN
39
47
48
40
45
46
HISTOGRAM
+8V3A
3
2
7
14
19
18
7403
16 5
SC
A 5
HISTOGRAM
Y-HISTOGRAM
U-HISTOGRAM
V-HISTOGRAM
CVBS_TER_OUT
(SCART)
A11
CVBS-SC2_MON-OUT
A11
SIF-TV
A8
G-SC1-IN_Y-IN
B-SC1-IN_U-IN
R-SC1-IN_V-IN
A11
A11
A11
LINEDRIVE1
EF
7390~1 7383~5
7380~1 7382
2380
A 5
C-SYNC GENERATOR
COMB
FILTER
14
16
12 1
9
SYS2
C-IN
7428
+5V
5,6
EF
EF
7427
A 6
ANALOG COMB FILTER
SANDCASTLE1
7
SYS1 11 10
Y-IN
A5
R-DRIVE
G-DRIVE
B-DRIVE
CLOCK12MHZ
A1
G
50/60Hz
15625
G
TV TV
+8V3
53
56
7301-C
57
SC A5
C-SYNC
(HISTOGRAM)
MAIN-CBVS-EXT-IN
MAIN-C-EXT-IN
CVBS-TXT-CC
SIF-FM 52
A3
SDA-0
SCL-0
SEL-IF-LL_M-TRAP
SIF-FM
A1
A1
A1
A8
8
8
POWER-DOWN
S Q
R
OSC
REF
5
1
2
3
4
2921
+3V5
VCC
6
7
7920
3921
6920
5921
8
C 1
64
V-SYNC
H-SYNC
11,13
27
1,11
1,11
2
2,12
1,13
10,11
14,15
25,26
A1
LEFT
RIGHT
1732
4
1
7731
7744
SOUND_ENABLE
STAND-BY
6
8
1
12
7732
1
2
9
10
12
13
HP
EXT. SW
2750
3750
2751
2752
3752
2753
HP-SIDE-DET
12-24DC-SUP_1
POWER-DOWN
OUT_MUTE
3743
2746
5 9
VOL STB
+
-
+
-
3
2
2
4
10
3
8
11
A10
A1
A1
A1
VCC
1733
1731
Ver 1.0 Final 03-03-06
1330
7405
+3V5
14
CL 36532023_003.eps
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