Supra 8T83, Service Manual

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1 2 3 4 5 6
A
B
C
D
6 5 4 3 2 1
D
C
B
A
Title
Number Revision Size
Orcad C
Date: 10-Jun-2004 Sheet of
File: C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar\NEW SKY5020.DDB Drawn By:
/BKLT_EN
SDA
A10
RESET
SCL
TXD
REMOTE
XTAL2
STANDBY
D5
D6
SCREEN-ON
TT-S2
TT-S1
LVDS-ON
D7
/IRQ
P/N P SW
XTAL1
/RESET
/RESET
TXD
RXD
RXD
KEY_LEFT
KEY_UP
KEY_MENU
KEY_AV/TV
KEY_DOWN
KEY_OK
KEY_RIGHT
HDATA1
HDATA3
HFS/SDA
HCLK/SCL
SDA
SCL
HDATA0
/IRQ
HFS/SDA
HCLK/SCL
HDATA2
HDATA3
HDATA1
HDATA2
HDATA0
P1.0/T2
2
P1.1/T2EX
3
P1.2/ECI
4
P1.3/CEX0
5
P1.4/CEX1
6
P1.5/CEX2
7
P1.6/CEX3/WAIT#
8
P1.7/CEX4/A17/W
9
RST
10
P3.0/RXD
11
P3.1/TXD
13
P3.2/INT0#
14
P3.3/INT1#
15
P3.4/T0
16
P3.5/T1
17
P3.6/WR#
18
P3.7/RD#/A16
19
XTAL2
20
XTAL1
21
VSS
22
A8/P2.0
24
A9/P2.1
25
A10/P2.2
26
A11/P2.3
27
A12/P2.4
28
A13/P2.5
29
A14/P2.6
30
A15/P2.7
31
PSEN#
32
ALE/PROG#
33
EA#/VPP
35
AD7/P0.7
36
AD6/P0.6
37
AD5/P0.5
38
AD4/P0.4
39
AD3/P0.3
40
AD2/P0.2
41
AD1/P0.1
42
AD0/P0.0
43
VCC
44
NIC
1
NIC
12
NIC
23
NIC
34
IC501
89C738
1 8
2 7
3 6
4 5
RN501 10K
1
2
R502
10K
C503
0.1uF
C504
0.1uF
1 2
R514
10K
1 2
R508
100
1
2
3
4
CN502
1
2
R500
10K
C500
22uF/10V
1
8
2
7
3
6
4
5
RN502
10K
1 8
2 7
3 6
4 5
RN503
10K
3
1
2
Q500
BC848
C502
0.1uF
3
1
2
Q504
BC848
C506
22P
X500
24MHz
1 2
R503
10K
C505
22P
A0
1
A1
2
A2
3
VSS
4
SI
5
SCK
6
WP
7
VCC
8
IC500
24C08
1
2
R512
10K
1
2
R501
10K
1
2
R511
unused
VCC
2
RSTN
1
GND
3
IC503
DS1813
C501
0.1uF
/IRQ
HCLK
RST_LVDS
HFS
HDATA[0..3]
SDA
SCL
GND External Program Memory
Reset Circuit
+5V Internal Program Memory
RS-232S
1 2
R509
0
1
2
3
4
5
CN500
Backlight Connector
NC
BLON
BLC
GND
+12V
+12V
1
2
3
4
5
6
7
8
9
10
CN501
Keypad & IR
KEY_LEFT
KEY_RIGHT
KEY_UP
KEY_DOWN
MENU
AV/TV
STANDBY
GND
+5V
IR
1
8
2
7
3
6
4
5
RN504
10K
+5VC
+5VC
REMOTE
SYS M SW
P/N P SW
SYS M SW
SCL
SDA
+5VC
+5VC
+5VC
+5VC +5VC
+5VC
+5VC
+5VC
+5VC
+5VC
+12V
STANDBY
1 2
R515
10K
3
1
2
Q503
BC848
1
2
R522
10K
+5VC
1 2
R521
0-NS
1 2
R519
10K
1 2
R517
10K
1 2
R516
10K
1
2
R506
10K
3
1
2
Q502
BC848
1 2
R507
10K
+5VC
RST-3415
RST-5020
RST-3230
1 2
R513
0-NS
D500
3.3V
1 2
R520
1K
1 2
R527
4.7K
Q501
BC848
1
2
R525
10K
+5VC
SC-ID
SC-Test
1 2
R530
4.7K
Q505
BC848
1
2
R528
10K
+5VC
A10
D7
MUTE
L1-SW
1 2
R531
10K_NS
1 2
R532
10K_NS
D6
1 2
R504
10K
Q506
BC848
1
2
R505
1K
+5VC
1
2
R523
10K
Q507
BC848
1
2
R524
1K
+5VC
/BKLT_EN
KEY_STB
1
2
R533
4.7K
R526
10K
R529
10K
LEDR
1
ONOFF
2
GND
3
LEDG
4
CN503
2.0*4(90)
C507
22uF/10V
C508
22uF/10V
C509
22uF/10V
R541
200
R540
200
C516
220P C517
220P
R
5
3
4
2
0
0
R
5
3
5
2
0
0
R
5
3
6
2
0
0
R
5
3
7
2
0
0
R
5
3
8
2
0
0
R
5
3
9
2
0
0
C510
100P C512
100P C511
100P
C514
100P
C513
100P C515
100P
L902*
22uH
D5
+5VC
1 2
R542
10K
IC909-1
IRF7314
+5V
1
2
R906
3.3K
C921
0.1uF
Q902
BC848 1 2
R907
3.3K
IC909-2
IRF7314
+12V
1
2
R905
3.3K
C920
0.1uF
Q901
BC848 1 2
R908
3.3K
KEY_STB
KEY_LEFT
KEY_UP
KEY_MENU
KEY_AV/TV
KEY_DOWN
KEY_OK
KEY_RIGHT
1
2
R543
4.7K
1
2
R544
4.7K
1
2
R547
4.7K
1
2
R546
4.7K +5VC
SCREEN-ON
1 2
R909
3.3K
+5V
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