Scaler Panel: Up - Philips LC03E Service Manual

Circuit Diagrams and PWB Layouts

Scaler Panel: uP

uP
1 2
C8 IICSDA
+5
7752
M24C16 8 4V9
1
VCC
E0
2 EEPROM
E1
(NVM)
A
3 5
2V1
E2 SDA
6
C8 IICSCL 2V5
SCL
7
C8 WP-S 0V1
WC_
VSS
4
C4, C8
C8 (2X)
C7
C7
B
+5
1751 MCALE
1
PSEN#
F751
2 RXD
F752
3
TXD
F753
3764
4
10K
+5
F754
5
MCINT-ASM
TV-IRQ
3762
RES
SOFT-RESET
MCWR#
C RESET
3772
C7 MCA16
0R05
MCA8
RESET#
3773
C7 MCA9
C4, C8
MCA10
0R05
C4 MCA11
MCA12
C2
MCA13
MCA14
C9
MCA15
C8 (2X) C8
C8
D
DUAL 2 TO 4 LINES
DECODER
C8
7755-A
E
C8
+3V3
MCWR# 4V8
C8
7755-B
3V3
PSEN# 1V7
74LVC139 16
14 12
MCA12 3V1
0 VCC 0
0
G
13 11
MCA13 0V8 JAGUAR# 3V3
3
1 1
10
2
15 9
DEVSEL# 3V3
3
GND
F
8
3139 123 5680.3
1 2
LC03E
3 4
+5 +3V3
I751
2752
I799
4V9
10u
* 7753
10V
PC251
44
1
CPT
12
MircoP
23 NC 2V3
21 I754
CLK
34
1
XTAL 2V2
20
2
PROG
I775
0V4 I755 33 35 0V
ALE EA|VPP
-1V7 I756 32 10 0V
PSEN RST
4V7
P1
4V7
P3<0:7> ADR
11 2 2V5
RXD T2
I757
13 3 2V1
TXD T2EX
3761 4V8 14 4 4V9 I763
0 ECI
5V 15 INT 5 3V4
1 0
16 6
0 1 NC
3V3 I758 17 TIMER 7 I766
4V8
1 CEX 2
4V8 I753 18 8 0V1 I771
WR 3
1V8 I752 19 9 4V6
RD 4
I772
2V6 24 43 2V
0/8 0
3V1 25 42 2V5
1/9 1
P2<0:7>
2V9 26 41 1V3
2/10 2
0V6 27 40 1V8
3/11 3
3V1 28 P0 39 2V3
4/12 4
ADR<8:15>
0V8 29 38 1V9
5/13 ADR 5
3V3 30 37 1V6
6/14 6
0V3 31 DATA 36 1V7
7/15 7
22
7756-A
74LVC32APW
MCA17
1
4V6
MCA16
2
1V6
+3V3 7756-B
C8
74LVC32APW
4
3V2
2757
3V3
5
2V2
100n
74LVC139
16
7756-C
2 4
VCC
0 0
74LVC32APW
0 I783 MCA15
G 9
3 5
3V3 JRD# C4 0V3
3
1 1
I786
MCA14
6 10
3V3 JWR# C4 3V1
2
1 7
3
GND
7756-D
8 C8
74LVC32APW
12
13
QUAD 2-INPUT
OR GATE
3 4
7. 77
5 6
C8
MCALE
C8
MCAD0
MCAD1
MCAD2
MCAD3
2753
MCAD4
MCAD5
15p
MCAD6
1753
MCAD7
14M31818
3767 100R
MEMCLK C4
2754 15p
+5 +5
+3V3
3756 RES
C7
RESET
3757
C3, C8
C9, C10
+5 1752
3769 4K7
F755
3768 4K7 +5
3770 IICSCL
100R 4
3771 IICSDA
100R
C2
3753 100R SDA-1 3
DDCCTL C7
+3V3
2
F756
100R SCL-1 C2
3754
WP-S C8 1
3755 4K7 +5 RES
C4, C8
MCA17
I767
I769
I773 MCAD2
I776
MCAD3
I778 MCAD4
I781 MCAD5
I784 MCAD6
I787
MCAD7
+3V3
2756
3V3
100n
F755 F756
14
3
3V2
7
1V / div DC 1V / div DC
50µs / div 50µs / div
14
+3V3
6
3V3
2758
3V3
7757-A
100n
74LVC14
7
14
1 2
PROMCS#
DEVSEL#
14 0V
7
8
2V2
HEX INVERTING
SCHMITT TRIGGER
+3V3
7
7757-B 7757-C
14
74LVC14 74LVC14
11
14 14
3 4 5 6
7
7 7
5 6
7 8 9
+3V3
7751
2751
74LVC373APW 3V3
100n
20
1
EN
LATCH
0V4 11
C1
3 2 MCA0
1D
4 5 MCA1
7 6 MCA2
8 9 MCA3
13 12 MCA4
14 15 MCA5
17 16 MCA6
18 19 MCA7
10
+5
+3V3
5754
5753
RES
3765
RES
I762
2755
4V9
7754
M29F002BT 10u
10V
EPROM
256Kx8
MCAD0 13 12 I768 MCA0
0 0
I770
MCAD1 14 11 MCA1
1 1
I774
15 10 MCA2
2 2
I777
17 9 MCA3
3 3
D
18 8 I779 MCA4
4 4
19 7 I782 MCA5
5 5
I785
20 6 MCA6
6 6
I788
21 5 MCA7
7 7
27 I789 MCA8
8
0
26 I790 MCA9
A
9
2M-1 I792
23 MCA10
10
I793
25 MCA11
11
4 I794 MCA12
12
28 I795 MCA13
13
I796
29 MCA14
14
I797
3 MCA15
15
2 I798 MCA16
16
30
MCA17
17
3758 +3V3
10K
3V3
1
RP 3759 RES
31 MCWR#
WE
24 -1V7 PSEN#
OE
22
CE
7757-D 7757-E 7757-F
74LVC14 74LVC14 74LVC14
14 14 14
9 8 11 10 13 12
7 7 7
CL 36532023_022.eps
7 8 9
1751 B1 I775 B4
1752 B6 I776 C7
1753 A5 I777 C9
2751 A8 I778 C7
2752 A4 I779 C9
2753 A5 I781 C7
2754 B5 I782 C9
2755 C8 I783 E3
2756 D5 I784 D7
A
2757 E3 I785 D9
2758 E6 I786 E3
3751 B6 I787 D7
3752 B6 I788 D9
3753 C5 I789 D9
3754 C5 I790 D9
3755 C5 I792 D9
3756 B5 I793 D9
3757 B5 I794 D9
C8
3758 D9 I795 D9
3759 E9 I796 D9
3761 C3 I797 D9
B
3762 C2 I798 D9
3764 C2 I799 A3
3765 B9
3767 B5
3768 B5
3769 B5
3770 C5
3771 C5
3772 C1
3773 C1
5751 A3
5752 A4
C
C8
5753 B9
5754 B8
7751 A7
7752 A2
7753 A3
7754 C7
7755-A E2
7755-B E1
7756-A D5
7756-B E5
7756-C E5
D
7756-D F5
7757-A E6
7757-B F6
7757-C F6
7757-D F7
7757-E F8
7757-F F8
F751 B1
C8
F752 B1
C8
F753 B1
C8
F754 C1
F755 B6
E
F756 C6
I751 A5
I752 C3
I753 C3
I754 B5
I755 B3
I756 B3
I757 C3
I758 C3
I762 C8
I763 C5
I766 C5
F
I767 C7
I768 C9
I769 C7
I770 C9
I771 C5
I772 C5
I773 C7
061003
I774 C9