Samsung GD15A Series, Service Manual

Page: 14 / 53

10 Schematic Diagrams
GD15N*/GD15A* 10-3
CONFIDENTIAL
10-2 MICOM Part Schematic Diagram
R242
TP203
1
100
56PF
C208
C209
56PF
R201
10K
B
47uF
C201
3
+5V_CPU
BD201
HB-1M2012-800JT
B
HB-1M2012-800JT
BD205
TP201
1
slcon3p
CN201
1
2
R263 0
1
100 R229
TP222
1
TP221
R246
R245 100
100 R254
100
R253 100
100
R252
100 R250
R251 100
R249 100
100 R248
R247 100
+5V_CPU +5V_CPU
0
R261
Q0 Q1
C204
10uF
X201
HC-49/S-SMD(14.31818MHZ)
C203
10uF C206
100nF
1uF
+5V_CPU
R255 1K
+3.3V_D
C224
100 R241
O
16
P
R240 100
H 8 I
9
J
10
K
11
L
12
M
13
N
14
15
A
1
B
2
C
3
D
4
E
5
F
6
G
7
200
IC206
MIC74
R243 100
R535
1
100nF
C207
100
TP202
TP214
1
R536
1
A
B
2
C 3
C210
10nF
R227
ZD201
I5
1
IO
4
O_1
O_2
6
8
O_3
10
O_4
12
O_5
2
O_O
14
VCC
100
IC204
MC74F14D
7
GND
3
I1
I2
5
9
I3
11
I4
13
B
HB-1M2012-800JT
BD206
B
BD202
HB-1M2012-800JT
B
BD203
HB-1M2012-800JT
C223
1uF
+5V_CPU
C222
1uF
R228 100
0 R262
TP208
1
TP216
1
R237 100
TP213
1
TP217
1
R231 100
100
TP215
1
NC
TP218
1
R234
ZDA204
QZX363C5V6
2
A
6
C1
4
C2
3 C3 1 C4
5
A
2
C1
6
C2
4
C3 3 C4 1
NC
5
2
A
6
C1
4
C2
3 C3 1 C4
5
NC
QZX363C5V6
ZDA203
A
2
C1
6
C2
4
C3 3 C4 1
NC
5
ZDA202
QZX363C5V6
10nF
C219
QZX363C5V6
ZDA201
10nF
C218 C217
10nF
10nF
C216
10nF
C215
10nF
C213 C214
10nF
10nF
C212
+5V_CPU
C211
10nF
XT
AL1
21
XT
AL2
20
C226
33pF
P3_3
15
P3_4
16
P3_5
17
P3_6
18
P3_7
19
32
PSEN_
10
RST
44
VCC
VPP
35
VSS
22
VSS1
1
P2_0
25
P2_1
26
P2_2
27
P2_3 P2_4
28
29
P2_5
30
P2_6
31
P2_7
11
P3_0
13
P3_1
P3_2
14
P0_6
37
P0_7
36
2
P1_0 P1_1
3
P1_2
4
P1_3
5
P1_4
6
P1_5
7
8
P1_6
9
P1_7
24
IC201
33
ALE
12
NIC1
23
NIC2
NIC3
34
43
P0_0
42
P0_1
41
P0_2
40
P0_3
P0_4
39
P0_5
38
TS80C32X2-MCB
R235 100
TP210
1
TP209
1
TP211
1
100 R236
100 R233
R239
TP206
1
TP219
1
100
100
TP207
1
A13
29
A14
30
NC/A17
31
*WE
32
VCC
R238
DQ6
21
DQ7
22
*CE
23
A10
24
*OE
25
A11
26
A9
27
A8
28
12
A0
13
DQ0
14
DQ1
15
DQ2
16
VSS
17
DQ3
18
DQ4
19
DQ5
20
4
A12
5
A7
6
A6
7
A5
8
A4
9
A3
10
A2
11
A1
20
T
AT27C010-90JC
IC203
1
VPP
2
A16
3
A15
12
L
13
M
14
N
O
15
P
16
Q
17
R
18
19
S
4
D
5
E
6
F
G
7
8
H
9
I
10
J
11
K
74ABT573CMTC
IC205
1
A
2
B
3
C
R260 0
R264 22
C205
+5V_CPU
KIA7045RTF
IC202
GND_1
GND_2
IN OUT
100nF
R276
4.7K
C227
R275
4
.7K
220
33pF
HB-1M2012-800JT
BD204
B
R278
1uF
C220
4.7K
+5V_CPU
R273 R274
4.7K
R272
4.7K
R270
4.7K
R271 R269
4.7K
R268
4.7K 4.7K 4.7K
R267
R214
10K
R266
100 R224
4.7K
R265
4.7K
R226 100
100 R225
+5V_CPU
C221
1uF
C202
10uF
220 R277
R222
10K
R221
10K
R219 R220
10K
R218
10K 10K
R216 R217
10K 10K 10K
17
18
R215
6
7
8
9
10
11
12
13
14
15
16
CN202
18P
1
2
3
4
5
R232 100 TP204
1
+5V_DEC
TP212
1
B
10K
R223
1uF
C225
HB-1M2012-800JT
BD207
R230
EXIT_KEY
MENU_KEY
LED_POWER
POWER_KEY
DOWN_KEY
RIGHT_KEY
LEFT_KEY
SOURCE_SEL_KEY
UP_KEY
PIP_KEY
LED_V2
LED_V1
LED_TV
LED_PC
LED_V2
100
POWER_KEY
LED_POWER
SCL
SDA
LED_PC
LED_TV
LED_V1
MCA16
RXD
VPC_RST
V_INT
JAG_RST
SCALER_WRITE
SCALER_READ
SW_REG_EN
CREF
MCU_RST
LED
LED
MSP_RESET
AUDIO_STANDBY
AUDIO_MUTE
MCAD(0)
MCAD(4)
MCAD(5)
MCAD(6)
MCAD(7)
MCA(8:15)
MCA(15)
MCA(14)
MCA(13)
MCA(8) MCA(9) MCA(10) MCA(1
1
)
MCA(12)
SCALER_ALE
SCL
SDA
*PSEN
TXD
MCA(2)
MCA(2)
MCA(3)
MCA(3)
MCA(4)
MCA(4)
MCA(5)
MCA(5)
MCA(6)
MCA(6)
MCA(7)
MCA(7)
*PSEN
SCALER_ALE
MCA16
MCAD(0:7)
MCAD(3) MCAD(2) MCAD(1)
MCAD(0:7)
MCAD(7)
MCAD(6)
MCAD(5)
MCAD(4)
MCAD(3)
MCAD(2)
MCAD(1)
MCAD(0)
MCAD(0:7)
MCAD(4)
MCAD(5)
MCAD(6)
MCAD(7)
MCAD(3)
MCAD(2)
MCAD(1)
MCAD(0)
MCA(8:15)
MCA(15)
MCA(12)
MCA(14)
MCA(13)
MCA(8)
MCA(9)
MCA(11)
MCA(10)
MCA(0:7)
MCA(0) MCA(0)
MCA(1)
MCA(1)
4