CONFIDENTIAL
LTM1555(B)/LTM1755(B)
10-3
10 Schematic Diagrams
10-2 Micom / Jack Part Schematic Diagram
R2556
IC25
MC74VHC139DR2
0
1
C
3
B
2
A
1
J
10
1
2
MM74HC32MX
IC27
I
9
1K
H
8
G
7
F
6
E
5
D
4
R218
0
P
16
O
15
N
14
M
13
L
12
K
11
PB
CHANGE INTO 36PF
PR
delete
Y
CHANGE TO 32.768
CHANGE TO PCF8563P
B
B
HB-1M2012-800JT
DB21
BD215
B
BD224
HB-1M2012-800JT
R4533100
D236
1
2
3
+5V_CPU
C
3
D
4
E
5
F
6
G
7
H
8
IC402
NM24C17FM8X
A
1
B
2
R212
1
U457
1
0
1
U456
1
BD211
B
100
100
R2550
R214
1/16W
56K
R222
56K
1/16W
R213
6
7
8
9
10
11
12
13
14
slcon14p_1
CN27
1
2
3
4
5
C229
100pF
13
14
C228
100pF
2
3
4
5
6
7
8
9
10
11
12
B
CN26
slcon14p_1
1
U472
1
BD220
HB-1M2012-800JT
Q23
2SC2412K-Q
B
C
E
B
C227
100pF
50V
MO
B
BD22
HB-1M2012-800JT
1
+5V_CPU
BD21
HB-1M2012-800JT
1
R22
1K
U450
1
U452
1
0
R211
+5V_CPU
1
1
Q0
Q1
C5245
470uF
16V
R4534
HC-49/S-SMD(14.31818MHZ)
X52
1
A
B
2
3
C
100
D233
R259
75
R29
470
R223
100
Q22
2SC2412K-Q
B
C
E
1
U455
1
U465
1
U453
BD216
B
U461
1
R221
B
100
20 21
U
22
V W
24
23
X Y
25
Z
26
BD27
9
J
10
K
11
L
12
M
13
N
14
O
15
P
16
Q
17
R
18
S
19
T
1Q
43
44
1R
A
1
B
2
C
3
4
D
E
5
6
F
G
7
H
8
I
1F
1G
33
1H
34
1I
35
1J
36
1K
37
1L
38
1M
39
40
1N
1O
41
42
1P
TSC80251G2D-24CB
IC23
27
1A
28
1B
29
1C
30
1D
31
1E
32
C230
100pF
25
A11
26
A9
27
A8
28
A13
29
A14
30
NC/A17
31
*WE
32
VCC
17
DQ3
18
DQ4
19
DQ5
20
DQ6
21
DQ7
22
*CE
23
A10
24
*OE
A3
10
A2
11
A1
12
A0
13
DQ0
14
DQ1
15
DQ2
16
VSS
VPP
2
A16
3
A15
4
A12
5
A7
6
A6
7
A5
8
A4
9
1
AT27C010-90JC
IC22
1
1
0
1
R217
4.7K
R249
R2555
C226
100pF
50V
MO
220
220
100
R2551
R2554
100
R229
1
100
R236
U469
1
U470
14
HB-1M2012-800JT
BD227
B
3
4
5
6
7
8
9
10
11
12
13
HB-1M2012-800JT
BD225
B
1
2
3
4
5
6
7
8
CN23
slcon8p
C21
10uF
C5246
20pF
R2552
220
HB-1M2012-800JT
BD23
B
22
R234
100
R254
R238
A
1
2
B
3
C
4.7K
D29
1
A
B
2
C
3
D210
R233
R232
100
100
R231
100
3
D235
A
1
B
2
3
C
D234
A
1
2
B
C
100
R227
R235
R226
100
R258
100
BD28
B
10K
R219
+5V_CPU
220
GND_1
GND_2
IN OUT
100nF
C215
4.7K
KIA7045RTF
IC21
R241
R242
HB-1M2012-800JT
BD24
B
4.7K
4.7K
R253
4.7K
1
1
5
R250
B
U506
2
6
4
3
BD26
R246
4.7K
R247
TP129
1
4.7K
R255
10K
100
R220
0
R2584
BD226
HB-1M2012-800JT
B
C214
1uF
1K
R28
C26
4.7uF
1
10K
R257
+5V_CPU
U463
1
C221
100nF
O_1
O_2
6
8
O_3
10
O_4
12
O_5
2
O_O
14
VCC
IC24
MC74F14D
7
GND
3
I1
I2
5
9
I3
11
I4
13
I5
1
IO
4
22
+5V_CPU
100
R224
R237
1
2
3
4
5
6
7
8
B
CN22
slcon8p
R27
+5V_CPU
+5V_CPU
BD25
HB-1M2012-800JT
1
1K
R26
1K
R2553
C223
330PF
B
220
RLZ8.2
D220
1
A
B
2
C
3
BD219
HB-1M2012-800JT
2
6
4
3
1
5
HC-49/S-SMD(14.31818MHZ)
Q0
Q1
D24
100nF
X21
1
C216
R230
100
0
R216
+5V_CPU
R215
0
C222
100nF
R244
4.7K
R245
4.7K
1
U468
1
4.7K
R243
R21
U467
4.7K
1K
R251
4.7K
R252
1
1
1
2
3
T157
+5V_CPU
+5V_CPU
D21
1
16V
470uF
U501
3
1
5
U473
1
U508
2
6
4
R261
75
+5V_CPU
75
R260
100
U458
1
R982
TP132
1
3
1
5
100nF
C220
U509
2
6
4
1uF
1
R
18
19
S
20
T
+5V_CPU
C212
I
10
J
11
K
12
L
13
M
14
N
O
15
P
16
Q
17
A
2
B
3
C
4
D
5
E
6
F
G
7
8
H
9
56PF
C27
74ABT573CMTC
IC28
1
1
2
3
D26
1
2
3
D27
HB-1M2012-800JT
BD223
B
B
+5V_CPU
HB-1M2012-800JT
BD221
2SC2412K-Q
Q21
B
C
E
C224
330PF
6
4
3
1
5
U507
2
1
4.7uF
C25
R239
TP131
R2570
4.7K
0
+5V_CPU
C28
56PF
MO
50V
100pF
C233
1K
1K
R24
BD212
B
R23
2
3
4
5
6
7
8
9
10
CN21
slcon10p
1
B
C23
10uF
1
BD222
HB-1M2012-800JT
2
3
4
5
6
1
2
3
CN25
jack6p_2
1
1
D23
+5V_CPU
R248
4.7K
T149
1
C213
1uF
3
TP222
1
ZD21
1
A
B
2
C
C225
10nF
10uF
1uF
C211
C22
C219
100nF
33pF
C210
+5V_CPU
33pF
R240
C29
TP221
1
4.7K
100
2
3
4
5
6
7
8
9
R228
1
CN24
jack9p_4
1
B
BD218
B
U466
B
C
E
BD217
1
2SC2412K-Q
Q24
T156
1
U471
470
R210
R2635
R225
4.7K
TP130
1
100
16V
100uF
C24
U459
1
0
R2558
1
2
3
R2557
0
B
D22
BD213
B
BD214
R25
C218
R1005
1K
100nF
D25
1
2
3
100nF
C217
1
A
B
2
C
3
100pF
C231
BD210
B
D21
1
BD29
B
C232
100pF
50V
MO
C234
100pF
50V
MO
1
1/16W
10K
R256
7
8
9
10
11
12
13
14
MM74HC32MX
1
2
3
4
5
6
SDA
SCL
COM2_PB
COM2_PR
COM2_Y
IC26
EEPROM_CS*
PAGE00
EEPROM_CS*
COM2_R
COM2_L
COM1_R
COM1_L
RXD
TXD
MCU_RST
*PSEN
AUDIO_MUTE
MCWRn
SELF_RASTER_PC
COM1_PR
COM1_Y
COM1_PB
MCA(0:17)
J1WRn
J2WRn
J1RDn
J2RDn
IRRCVR
IRRCVR
JAG_INT
SDA
SCL
POWER_KEY
IORDn
MCA(10)
MCA(11)
MCA(11)
MCA(10)
IOWRn
MCA(12)
MCA(13)
MCA(14)
A141312
A171615
MCA(15)
MCA(16)
MCA(17)
MCA(0:17)
MCA(0:17)
MCAD(3)
MCAD(0:7)
*PSEN
MCA(16)
MCA(17)
MCA(17)
MCA(16)
MCA(8:17)
PAGE00
IORDn
IOWRn
MCWRn
A171615
A141312
VCR
CIN
YIN
SCR3
SCL3
MCA(13)
MCA(14)
MCA(15)
SCALER_ALE
MCAD(0)
MCAD(1)
MCAD(2)
KEY1
KEY4
KEY5
KEY6
DTV_AGND
MODE
HPDL
HPDR
LEDRED
LEDGRN
LEDRED
KEY0
KEY2
KEY3
AUDIO_STANDBY
POWER_KEY
LEDGRN
MCA(1
1)
MCA(12)
TXD
RXD
VSP_RST
V_INT
JAG_RST
SW_REG_EN
CREF
MCU_RST
MSP_RESET
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
MCAD(4)
MCAD(5)
MCAD(6)
MCAD(7)
MCA(8:17)
MCA(8)
MCA(9)
MCA(10)
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(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)
MCA(2)
4
Summary of Contents for LTM1555(B)
Page 8: ...Memo 2 Product Specifications 2 4 LTM1555 B LTM1755 B CONFIDENTIAL ...
Page 17: ...CONFIDENTIAL LTM1555 B LTM1755 B 6 1 6 Exploded View and Parts List 6 1 1 LTM1555 B ...
Page 19: ...LTM1555 B LTM1755 B 6 3 6 Schematic Diagrams CONFIDENTIAL 6 1 3 LTM1555 B Rear ...
Page 21: ...LTM1555 B LTM1755 B 6 5 6 Schematic Diagrams CONFIDENTIAL 6 2 1 LTM1755 B ...
Page 23: ...LTM1555 B LTM1755 B 6 7 6 Schematic Diagrams CONFIDENTIAL 6 2 3 LTM1755 B Rear ...
Page 24: ...6 Exploded View Parts List 6 8 LTM1555 B LTM1755 B CONFIDENTIAL 6 2 3 LTM1755 B Stand ...
Page 63: ...8 Block Diagram LTM1555 B LTM1755 B 8 1 CONFIDENTIAL ...
Page 64: ...CONFIDENTIAL Memo 8 Block Diagrams 8 2 LTM1555 B LTM1755 B ...
Page 65: ...CONFIDENTIAL LTM1555 B LTM1755 B 9 1 ...
Page 66: ...Memo 9 Schematic Diagrams 9 2 LTM1555 B LTM1755 B CONFIDENTIAL ...
Page 68: ...CONFIDENTIAL 10 Schematic Diagrams 10 2 LTM1555 B LTM1755 B 1 2 3 ...
Page 70: ...CONFIDENTIAL 10 Schematic Diagrams 10 4 LTM1555 B LTM1755 B 4 ...
Page 72: ...CONFIDENTIAL 10 Schematic Diagrams 10 6 LTM1555 B LTM1755 B 5 6 7 8 ...
Page 74: ...CONFIDENTIAL 10 Schematic Diagrams 10 8 LTM1555 B LTM1755 B 9 ...
Page 76: ...CONFIDENTIAL 10 Schematic Diagrams 10 10 LTM1555 B LTM1755 B 10 ...
Page 78: ...10 Schematic Diagrams 10 12 LTM1555 B LTM1755 B CONFIDENTIAL Memo ...
Page 80: ...11 Panel Description 11 2 LTM1555 B LTM1755 B CONFIDENTIAL Memo ...