Main-3 Circuit Diagram - LG CM1530 Service Manual

4. MAIN-3 CIRCUIT DIAGRAM

AUX_R
12
AUX_L
IPHONE_R
IPHONE_L
11
CD-R
CD-L
10
FM-R
FM-L
9
8
2 3490_SDA
2 3490_SCL
7
6
8
5 7
6
5
4
2
3
1
4
KDS226 KDS226
8550 1
3
8550 1
2
1
A B C D
1UF
1UF
1UF
1UF
1UF
1UF
1UF
1UF
9.1V
330R
330R
472
1
8550
PORT-DET
R0603
USB+5V 1 2
8
IN4148
2
9
4
IPOD_GND
10
104P
FSUSB30
3904
10 VCC
2
9 OE
1
CHANGE_SET
8 HSD1-
3
DM_USB
10R
7 HSD2-
DM_IPOD
6 D-
480Mbps
E F G H
LOUT
ROUT
R731 Q711
1K 1
KDT1304S
D704 IN4148
1K Q704
1 2 R732 1
KDT1304S
AMUTE
C765
33P
R735 10K
600R C760 2U2 R744 100K
2 IPOD-ROUT
600R
2 IPOD-AGND
C761 2U2 R745 100K
600R
2 IPOD-LOUT
R736 10K
C766
33P
+9V
R757
Q706
R747
AMP-STBY 1
C763
ROUT 2U2 R751 1k
LOUT C764 2U2 R750 1k
R749
PVDD
R743 1K
MUTE
4K7
3904
2
10K
1
IP/USB_CT
3
1
S
2 DP_USB
HSD1+
10R
3 DP_IPOD
HSD2+
4
D+
5
GND
: WAVEFORM NUMBER
I J K L M
3-27 3-28
100K L717 56NH
C787 C789 47uF16V
9.1V
33P
104
C793 2U2 47K
1K
IC701
1K
1 8
1 VCC
C794 2U2 47K
2 7
2 - + 7
100K
3 3 6 6
-
+
4 5
GND 5
PVDD
1 8550
104 101
103 103 103 103
TDA7266SA
4 1
2
12 15
14
Q705
1
3904
N O P Q
FB700 56NH
FB701 56NH
FM_ANT1
103 103
FL+ 1
1
FL- 2
2
FR+ 3
3
FR- 4
4
102 102
MAIN-3
2012. 11. 07
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