LG C1150 Service Manual page 103

7. CIRCUIT DIAGRAM
1
2
A
B
C
D
E
2
1
LGIC(42)-A-5505-10:01
3 4 5
VMEM
U401
YMU759B
R401 0 1
11
13MHZ CLK1 HPOUT_R
4
10
MIDI_RESET _RST
30 HPOUT_L
ADD00 A0
31 12
EQ1
RD _RD
29
MIDI_CS _CS
5
R403 13
EQ2
IFSEL
10K
C403
28
WR _WR
3
MIDI_INT _IRQ
27 14
EQ3
DATA08 D0
26
2
DATA09 D1 EXT1
25
19
DATA10 D2 EXT2
24
DATA11 D3
23
DATA12 D4
22
17
DATA13 D5
SPOUT1
21
DATA14 D6
20
DATA15 D7
C404
R405 3.3K
PLLC SPOUT2
6
18
1000p
C405 0.1u
VREF
9
R406 SPVDD
15
SDOUT
10K 32
VDD
7
C410 0.1u 16
VSS SPVSS
8
(16 Poly MIDI)
3 4 5
6
7
VBAT
C401
R402
0.01u
39K
C402
1u
100p
R404 150K
U402
LMS4684ITLX
A3 C3
NO1 IN1
A1 C1
NO2 IN2
D3 B3
NC1 COM1
VBAT
D1 B1
C406 C407 NC2 COM2
47p 47p
C409
0.1u
R408
RECP
4.7
R409
RECN
4.7
C411 C412
47p 47p
Section
Designer
Checked
Approved
Iss. Notice No. Date Name
LG Electronics Inc.
- 104 -
8 9 10
SPK_RCV_SEL
SPK_REC_P
C408 47p
R407 100K
SPK_REC_N
Sign & Name
Date
C1150
07/04 MODEL
LEE S.Y.
2005
07/04
SONG Y.S
2005
KIM K.S. DRAWING
MIDI
NAME
07/04
NO S.Y.
2005
DRAWING
VER_1.1
NO.
A
A
B
B
C
D
Sheet/Sheets
4/4
LG Electronics Inc.