Main - Motor Drive Circuit Diagram - LG BP340 Service Manual

10. MAIN - MOTOR DRIVE CIRCUIT DIAGRAM

12
11
10
9
A3.3V D3.3V
FB6 FB6 0 0
+12V_D
M12V_T
8
FB7 FB7 0 0
C126 C126
C155 C155 C125 C125
0.1uF/16V/X7R 0.1uF/16V/X7R 0.1uF/16V/X7R 0.1uF/16V/X7R
4.7uF 4.7uF
7
M
MVCC_T
VCC_D
FB8 FB8 0 0
C130 C130
C131 C131
6
0.1uF/16V/X7R 0.1uF/16V/X7R
4.7uF 4.7uF
M
5
4
3
2
1
A B C D
MOTOR DRIVER TI2060A
U11 U11
M12V_T
TPIC_B+ 1
SLED1_P
TPIC_B- 2
SLED1_N
3
P12V_SLD
TPIC_A+ 4
SLED2_P
C119 C119 C122 C122 T T P P C I C I _ _ - A - A 5
SLED2_N
6
PGND_2
4.7uF 4.7uF 0.1uF/16V/X7R 0.1uF/16V/X7R C124 0.1uF/16V/X7R C124 0.1uF/16V/X7R 7
C10V
C120 0.1uF/25V/X7R C120 0.1uF/25V/X7R 8
CP1
9
M
CP2
D3.3V
C121 0.1uF/25V/X7R C121 0.1uF/25V/X7R 10
M
CP3
TP34 TP34 11
GPOUT
R110 R110 33K 33K TPIC_FG 12
XFG
GAINSW3 R111 R111 0 0 13
RDY
TPIC_GIO4 14
SSZ
TPIC_TYPWM 15
SCLK
TPIC_FMO1 16
SIMO
TPIC_FMO2 17
SOMI
18
SIOV
FEGIO0 TPIC_MUTE1 19
XRSTIN
C127 C127
20
NC
1UF/16V/X7R 1UF/16V/X7R
21
NC
C128 0.1uF/16V/X7R C128 0.1uF/16V/X7R 22
CV3P3
23
AGND/DGND
24
NC
25
P5V12L
TPIC_LOAD- 26
M
LOAD_N
TPIC_LOAD+ 27
LOAD_P
R112 R112 0 0 28
M12V_T
CA5V
R114 R114 NC/0 NC/0 TPIC2060A TPIC2060A
MVCC_T
C156 C156 C135 C135
C145 C145
C134 C134
0.1uF/16V/X7R 0.1uF/16V/X7R
0.1uF/16V/X7R 0.1uF/16V/X7R
M M
1 TPIC_LOAD-
1
2 TPIC_LOAD+
2
3 MGND
3
4 TPIC_TRAYIN#
4
XP4 XP4 C144 C144
4PIN/2.0mm 4PIN/2.0mm
0.1uF/16V/X7R 0.1uF/16V/X7R
M M
E F G H I
3-31
56
NC
55 LDO_FB
LINFB
54 LDO_9VG
LIN9VG
53 TP33 TP33
TEST
52
NC
51
AGND
50
NC
49 TPIC_COMMON
MCOM
48
PGND_SPM2
M12V_T
47 TPIC_W
W
46
P12V_SPM2
45 TPIC_V
V
44 C132 C132 C123 C123
PGND_SPM1
43 TPIC_U
U
42 0.1uF/16V/X7R 0.1uF/16V/X7R 4.7uF 4.7uF
P12V_SPM1
41
PGND_1
40 FR-
FCS_N
39 FR+
FCS_P
38 TR-
M
TRK_N
37 TR+
TRK_P
36 TILT+
TLT_P
35 TILT-
TLT_N
34
MVCC_T
P5V
33 CO_B+
STP1_P
32 CO_B- C129 C129
STP1_N
31 CO_A+
STP2_P
30 CO_A- 0.1uF/16V/X7R 0.1uF/16V/X7R
STP2_N
29
GND
TPIC_COMMON
M
M
XP3 XP3
9PIN/1.0mm 9PIN/1.0mm
1 TPIC_COMMON
1
2 TPIC_U
2
3 TPIC_V
3
4 TPIC_W
4
5
5
6 TPIC_B+
6
7 TPIC_B-
7
8 TPIC_A+
LOAD- LOAD-
8
9 TPIC_A-
LOAD+ LOAD+
9
MGND MGND
TRAYIN# TRAYIN#
J K L M
3-32
9
GAINSW3
9
TPIC_FMO1
9
TPIC_FMO2
9
TPIC_MUTE1
9
TPIC_TYPWM
9 TPIC_GIO4
9
TPIC_TRAYIN#
9
TPIC_FG
R113 R113 1K 1K TPIC_W
R115 R115 1K 1K TPIC_V
R116 R116 1K 1K TPIC_U
COMMON COMMON
TPIC_U TPIC_U
V V
9
W W FR-
9
B+ B+ FR+
B- B-
9
A+ A+ TR-
A- A-
9
TR+
9
TILT+
9
TILT-
9
CO_B+
9
CO_B-
9 CO_A+
9 CO_A-
M
9 LDO_FB
9 LDO_9VG
N O P Q R
GAINSW3
TPIC_FMO1
TPIC_FMO2
TPIC_MUTE1
TPIC_TYPWM
TPIC_GIO4
TPIC_TRAYIN#
TPIC_FG
FR-
FR+
TR-
TR+
TILT+
TILT-
CO_B+
CO_B-
CO_A+
CO_A-
LDO_FB
LDO_9VG
S T