12.4. Main (IO Expansion) Circuit (1/2)
A
1
2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
D
B
E
G
H
F
SCHEMATIC DIAGRAM - 3
SA-MAX3500PU
2/21/2
A
MAIN (IO EXPANSION) CIRCUIT
: +B SIGNAL LINE
: MIC/TUNER SIGNAL LINE
C
TO
PANEL CIRCUIT
(P6200)
IN SCHEMATIC
DIAGRAM - 14
G
TO
MIC CIRCUIT (CN1401)
IN SCHEMATIC
DIAGRAM - 18
B
TO
TUNER CIRCUIT
(CN51)
IN SCHEMATIC
DIAGRAM - 13
1
22
AA
AB
AC
AD
AE
DAMIVRFAFE
FA: MAIN (FAN LED) & MAIN (BLUETOOTH CONNECT): SCHEMATIC DIAGRAM - 1
FE: MAIN (FE): SCHEMATIC DIAGRAM - 2
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 5 ~ 7
VR: MAIN (VREG FAN): SCHEMATIC DIAGRAM - 8 ~ 9
DA: MAIN (DAMP): SCHEMATIC DIAGRAM - 10 ~ 12
J0JYC0000656R1804
R1807 0
C1803
0.01
0
R1808
R1810
R1809 0
0
0
R1814 J0JYC0000656
470P
C1810
R1802 J0JYC0000656
C1816
470P
C1817
470P
C1815
470P
470P
C1814
2
4
3
1
6
5
P1803
C1828
0.1
C1827
10
C1809
1000P
R1803 J0JYC0000656
R1828
C1811
470P
6
5
8
9
11
12
10
18
15
17
16
20
19
13
14
7
2
1
4
3
22
21
P1802
C1823
1000P
C1824
1000P
LB1804
J0JYC0000656
R1815
4.7K
LB1801
J0JYC0000656
FL_GND
KEY2
KEY1
FL_SDO
SPX_CLK
SPX_STB
SPX_DAT
DSP_MUTE
POWER_UP
AM_BP
15V_REG_BP
PCONT_BUFFER
DSP_RESET
FL1_CS
PCONT
FL_SCLK
R1805
J0JYC0000656
LB1814
J0JYC0000656
PW_SW3R3V
PW_FL_SW12V
PW_XSW3R3V
USB_A_PCONT
VR
VR VR
VR
VR
MI
FEDA
VR
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
VR
DA
DA
DA
DA
FA
FA
VR
VR
VR
VR
VR
MI
REM_IN
USB_B_PCONT
PW_SW5R4V_ILUM
DJ_JOG
VOL_JOG
SPX_CLR
LB1817
LB1803
LB1802 J0JYC0000656
J0JYC0000656
J0JYC0000656
J0JYC0000656
J0JYC0000656LB1825
LB1816
J0JYC0000656
LB1815
MIC_IN
DGND
R1841
0
R1801
0
PW_SW3R3V
BT_LDO_ON
BT_PCONT
PW_FL_SW12V
MIC_GND
FAN_OUT
FA
MI DA
MI
MI
MI
MI
MI
DA
MI FE VR DA
BT_LDO_ON
BT_PCONT
FAN_CTL2
QR1201
B1GBCFJJ0040
SWITCH
TUN_SD
TUN_WCK
I2C_SDA
I2C_SCL
18K
R1228
0.01
C1831
C1836
100P
C1834
100P
C1835
100P
TUN_INT
G_TUN_BCK
TUN_RST
R1226
4.7K
FAN_CTL1
6
8
9
7
2
1
1
4
5
3
10
10
P1806
R1229
7.5K
MIC_DET1
G1C100KA0101
LB1818
MIC_DET2
USBLED_PLAY1
USBLED_REC1
MIC_GND
MIC_DET_1
DGND
VOL_JOG
DGND
SPX_CLK
SPX_DAT
DGND
SPX_CLR
SPX_STB
KEY2
DJ_JOG
FL_CLK
FL1_CS
KEY1
FL_DIN
FL_GND
DGND
MIC_INPW_CD_3R3V
MIC_GND
I2C_SDA
TUN_SD0
TUN_WCK
DGND
I2C_SCL
TUN_RST
TUN_INT
G_TUN_BCK
DGND
PW_SW3R3V
PW_FL12V
PW_STBY3R3V
PW_LED5V
MIC_DET_2
PW_FL_SW12V
PW_SW5V
REM_IN