30
3.3VM
CPUP23
MDR9
MD15
MD0
L313
120 OHM
MDR14
R336
10K
1/16W
C382
0.1uF
CPUP00
C
PU
P03
MRASNN
WP
MD19
MA7
MD16
WP
MDR19
MDR26
MD6
R374
100
1/16W
CPUP24
MA4
R362
NC
14
C
PU
A17
MDR20
ROMA6
MD8
MD4
ROMA4
MAR0
MAR9
MDR15
MDR19
MD10
MD0
U303
GTL540L16
18
17
28
41
38
37
39
54
23
24
25
26
29
30
31
32
33
34
22
35
2
4
5
7
21
20
16
19
1
14
27
3
9
43
49
6
12
46
52
8
10
11
13
42
44
45
47
48
50
51
53
15
36
RAS
CAS
GND
GND
CLK
CKE
DQMU
GND
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
DQ0
DQ1
DQ2
DQ3
BS1/A12
BS0/BA
WE
CS
VCC
VCC
VCC
VCCQ
VCCQ
VCCQ
VCCQ VSSQ
VSSQ
VSSQ
VSSQ
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQML
NC
RN316 22
1/16W
1
2
3
4
8
7
6
5
R345 22
1/16W
PANPWR_ON
MD22
CPUP12
CPUP17
C
PU
P02
MDR4
MA1
R322
4.7K
1/16W
R327
100
1/16W
R337
10K
1/16W
VD_RST
4
MAR10
R339
10K
1/16W
27
MD18
L309
600 OHM
C383
0.1uF
CASNN
MCSNN
MDR29
MA6
R340
NC
C368
15pF
CPUP27
MDR21
MAR5
RN314 22
1/16W
1
2
3
4
8
7
6
5
MDQMH1
C374
0.1uF
MDR28
MA12
Misc
U300B
SPV301A
J3
H1
L3
J1
K3
J2
K2
K1
L2
L1
M1
M3
M2
N1
N2
N3
AE3
AC7
AD5
AD7
AF3
AD6
AE4
AF4
AE5
AF5
AE6
AF6
H4
F1
G3
G2
J4
G1
H3
H2
P1
P2
P3
P4
R1
R2
R3
R4
F3
AC21
A5
E2
T2
C5
D5
C2
D2
F4
G4
T1
E1
F2
D3
E3
P00
P01
P02
P03
P04
P05
P06
P07
P20
P21
P22
P23
P24
P25
P26
P27
ROMA0
ROMA1
ROMA2
ROMA3
ROMA4
ROMA5
ROMA6
ROMA7
ROMA16
ROMA17
ROMA18
ROMWRnn
P10
P11
P12
P13
P14
P15
P16
P17
P30-RXD
P31-TXD
P32-INT0nn
P33
P34-T0
P35-T1
P36-WRnn
P37-RDnn
HWRST
EXTMCLK
EXTDCLK
EOSDCLK
IRRECV
ADC0
ADC1
USB-DP
USB-DM
ALE_SCL
PSEN_SDA
TESTMODE
XTALI
XTALO
XTALIRTC
XTALORTC
MAR1
3
MAR13
MD30
RN313 22
1/16W
1
2
3
4
8
7
6
5
C
PU
P04
MD9
MA8
MD31
MDR18
MA14
R348
22
1/16W
1
MD18
MD28
MD17
C380
0.1uF
MAR6
MDR12
MD13
C365
0.1uF
ROMA2
MD28
SW300
SW
XTALIRTC
MDQMH0
MWENN
R338
10K
1/16W
SDA
3,4,6,8,9,11
C
PU
P24
ROMA2
MD11
MCASNN
X301
32.768KHZ
SDRAM P ort
U300D
SPV301A
L26
L25
L24
K26
K25
K24
J26
J25
H26
H25
J24
J23
G26
H24
H23
N24
M26
M25
M24
AF25
AC22
AD23
AF26
AE24
AC23
AD24
AE25
AB24
AC25
AD26
AA24
AB25
AC26
AB26
Y 24
W23
AA25
AA26
Y 25
W24
Y 26
W25
V24
W26
V25
U24
V26
U25
U26
T24
T25
AC24
AB23
AD25
AE26
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
MA10
MA11
MA12
MA13
MA14
DQM0L
DQM0H
DQM1L
DQM1H
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15
MD16
MD17
MD18
MD19
MD20
MD21
MD22
MD23
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
WEnn
SDCLK
RASnn
CASnn
Note: for ISP function
MAR0
MAR3
MDR28
MDR24
MD26
MD27
CPUP10
SDCLK
X300
12MHz
R344
100K
1/16W
3.3VM
KEY _AD
1
PSENZ
MAR3
DQMH1
CPUP22
C
PU
A16
MDR31
MDR7
MA13
12VS
CPUP26
CPUP21
MDR8
MDR8
MAR9
5VP
MCSNN
R335
0
1/16W
Q300
AO4403
1
2
3
4
8
7
6
5
S1
S1
S1
G1
D1
D1
D1
D1
CPUP03
MD20
MA13
MD30
MDR0
MAR7
TV2054-2Ea
1.0
SPV301 (MCU & SDRAM)
AOC (Top Victory) Electronics Co., Ltd.
A3
5
13
Wednesday , April 07, 2004
Title
Size
Document Number
Rev
Date:
Sheet
of
TX
9
CKER
MDR1
L300
NC
R300
0
1/16W
C385
0.1uF
NC
3.3VM
MCASNN
CPUA18
C375
0.1uF
MA9
SDCLKR
MAR12
MAR10
MD8
CPUP21
R
OM
W
R
Z
CKER
R343
100K
1/16W
R323
100
1/16W
RN309 22
1/16W
1
2
3
4
8
7
6
5
C370
15pF
CPUP25
DQMH1
CASNN
MAR3
MA11
MD14
MA10
MD1
RN308 22
1/16W
1
2
3
4
8
7
6
5
MD24
MAR2
MDR29
MDR6
MA3
MDR9
C376
0.1uF
L315
600 OHM
WP
PWR_ON
12
MD4
MDR18
MDR4
MD3
RN315 22
1/16W
1
2
3
4
8
7
6
5
R359
100K
1/16W
MDQML1
CPUA17
MD2
MA6
MA4
MD22
R347 22
1/16W
MD27
PAN_PWR
1,13
ROMA3
CPUP02
MDR30
RN311 22
1/16W
1
2
3
4
8
7
6
5
R383
75
1/16W
ROMA7
MAR14
MA12
R334
1M
1/16W
BL_ADJ
1
MD26
MDQML0
MDR17
MDR10
ROMA3
MA8
MA0
MWENN
MAR4
MD24
R356 22
1/16W
RX
9
C
PU
P06
MDR13
MAR5
R341
100K
1/16W
77L 600 1
MRASNN
MDR3
512KB
VD_RST
MAR11
Internal ROM: CPUP16 pull LOW
MDR11
U302
GTL540L16
18
17
28
41
38
37
39
54
23
24
25
26
29
30
31
32
33
34
22
35
2
4
5
7
21
20
16
19
1
14
27
3
9
43
49
6
12
46
52
8
10
11
13
42
44
45
47
48
50
51
53
15
36
RAS
CAS
GND
GND
CLK
CKE
DQMU
GND
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
DQ0
DQ1
DQ2
DQ3
BS1/A12
BS0/BA
WE
CS
VCC
VCC
VCC
VCCQ
VCCQ
VCCQ
VCCQ VSSQ
VSSQ
VSSQ
VSSQ
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQML
NC
MD25
MD12
MA0
MDR17
Code Flash
ROMA5
MDR16
MDR21
3.3VM
ISP
9
MD7
MD21
MAR1
MD29
ROMA0
CPUP20
MD29
MAR8
MAR12
MD23
MDR26
MD9
R328
100
1/16W
R352 22
1/16W
C367
15pF
3.3VM
LVDS_EN
13
R332
100
1/16W
WENN
MD23
MDQML1
MD1
MAR6
MD19
VD_RST
MA5
TP300
R342
100K
1/16W
C369
15pF
MD13
C372
0.1uF
CPUP22
DQML1
CPUA16
MDR30
MA2
MD17
COMP_SEL
1
MD16
RN307 22
1/16W
1
2
3
4
8
7
6
5
C384
0.1uF
CPUP05
MDR10
CPUP15
3.3VM
SCL
3,4,6,8,9,11
CPUP00
SDCLKR
MDR25
+
C366
100uF/16V
SCL
3,4,6,8,9,11
MA10
MDR15
SDCLKR
C377
0.1uF
ROMA1
MDR25
CPUP20
ROMWRZ
MAR13
R325
NC
CKE
ROMA5
MDR3
MDR22
MAR5
External ROM: CPUP16 pull HIGH
SCART_SW2
1
PSENZ
MD5
MA9
MD11
L312
120 OHM
MAR7
MAR2
MDR27
R358
100K
1/16W
3.3VM
SDA
3,4,6,8,9,11
C
PU
A18
MD15
CPUP07
MD3
MAR10
CKER
CS
C386
0.1uF
C300
0.1uF
MDR11
MDR6
MDR2
MCASNN
MDR22
MDR16
+
C371
1uF/16V
R350
4.7K
1/16W
ROMA7
SCL
MAR6
MD2
MD10
+
C364
10uF/16V
SCART_SW1
1
MA2
MDR31
MA1
CPUP15
R384
75
1/16W
3.3VM
DQMH0
ROMA1
SDCLK
RASNN
MAR1
MD5
MDR1
PANPWR_ON
R349
4.7K
1/16W
U304
M24C16-MN6T
4
8
5
6
1
2
3
7
GN
D
VCC
SDA
SCL
A0
A1
A2
WP
CPUP10
MDQMH0
MAR4
3.3VM
Remote
1
MAR11
MA3
MA14
C
PU
P05
MDR23
MA5
RN312 22
1/16W
1
2
3
4
8
7
6
5
L316
NC
CPUP26
PANPWR_ON
CPUP06
MAR8
MAR4
MD21
CPUP17
RN300 22
1/16W
1
2
3
4
8
7
6
5
MA7
MDR7
MRASNN
MDR5
MDR24
MD31
MDR13
MDR23
R321
1K
1/16W
5264_RST
8
XTALO
SDA
MDR14
DQMH0
CPUP12
MWENN
MDQMH1
MDR20
MA11
R351 22
1/16W
C
PU
P01
RASNN
MDR0
MAR0
43
3.3VM
MDQML0
ROMA0
C
PU
P27
MAR12
MDR27
CPUP32
U310
AT29LV040A-15JC
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
A7
A6
A5
A4
A3
A2
A1
A0
IO0
IO1
IO2
GN
D
IO3
IO4
IO5
IO6
IO7
CE
A10
OE
A11
A9
A8
A13
A14
A17
WE
VC
C
A18
A16
A15
A12
R353
75
1/16W
Q301
PMBS3904
3
2
1
DQML1
C373
0.1uF
CPUP23
MDR5
MD12
XTALI
MCSNN
MAR7
R354
75
1/16W
R333
0
1/16W
R324
33
1/16W
RN310 22
1/16W
1
2
3
4
8
7
6
5
CPUP01
CPUP04
49
3.3VM
MAR13
MD25
MD14
RN317 22
1/16W
1
2
3
4
8
7
6
5
3.3VM
TESTMODE
DQML0
DQML0
MAR14
MAR14
MAR8
R329
100
1/16W
3.3VM
ROMA6
CPUP25
WENN
MAR11
MDR12
R326
0
1/16W
CPUP07
CPUP32
MD20
MD7
R357
10K
1/16W
R330
100
1/16W
C381
0.1uF
R355 22
1/16W
ROMA4
MAR2
MDR2
MD6
MAR9
C378
0.1uF
9
R360
10K
1/16W
Summary of Contents for PB20C
Page 15: ...14 5 2 Main Board Power Circuit 5 3 Remote Control Block ...
Page 16: ...15 5 4 Key Board Control Block 5 5 PC Control Block ...
Page 17: ...16 ...
Page 18: ...17 5 6 Audio Control Block ...
Page 22: ...21 7 SOFTWARE FLOW CHART ...
Page 23: ...22 ...
Page 24: ...23 ...
Page 26: ...25 8 2 POWER BOARD BLOCK DIAGRAM ...
Page 44: ...43 9 3 KEY BOARD SCHEMATIC DIAGRAM ...
Page 45: ...44 9 4 HEADPHONE JACK BOARD SCHEMATIC DIAGRAM ...
Page 46: ...45 9 5 IR BOARD SCHEMATIC DIAGRAM ...
Page 47: ...46 10 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...
Page 79: ...78 12 PCB LAYOUT 12 1 MAIN BOARD PCB LAYOUT ...
Page 80: ...79 12 2 PWPC BOARD PCB LAYOUT ...