Main (Io Expansion) Circuit (2/2) - Panasonic SA-MAX3500PU Service Manual

12.5. Main (IO Expansion) Circuit (2/2)

15 16 17
SCHEMATIC DIAGRAM - 4
A MAIN (IO EXPANSION) CIRCUIT
IC1202
C0JBAZ002990
IO EXPANDER
RX1202
D1H81014A042
TUN_RST
8 7
SPX_CLR
6 5
PCONT
4 3
2 1
8 7
POWER_UP
6 5
15V_REG_BP
4 3
AM_BP
2 1
RX1203
D1H81014A042
FAN_CTL1
FAN_CTL2
BT_PCONT
8 7
BT_LDO_ON
6 5
4 3
2 1
RX1204
D1H81014A042
15 16 17
18 19 20
: +B SIGNAL LINE : USB SIGNAL LINE
LB1201
J0JYC0000656
1 VDD 32 PW_XSW3R3V VR MI
P11
C1206
10
2 P10 31 MI USB0_D-
P12
3 P13 30 MI USB0_D+
P9
4 P14 29
P8
5 P15 P7 28 8 7
PCONT_BUFFER
6 5 MI USB1_D-
USB_A_PCONT
P6
6 27 4 3 MI USB1_D+
P16
USB_B_PCONT
2 1
P5 RX1207
7 P17 26
D1H81014A042
USBLED_PLAY1
8 VSS 25 8 7
P4
USBLED_REC1
6 5
DSP_MUTE
9 P18 24 4 3
P3
DSP_RESET
2 1
RX1206
10 P2 23
P19
D1H81014A042
11 P20 22
P1
12 P21 /CLR 21
C1203
100P
13 P22 /STB 20
C1204
4.7
14 NC NC 19
C1202
8 7 SP_CLR MI
100P
P23
15 CLK 18 6 5 SP_STB MI
C1201
100P 4 3 SP_CLK MI
16 DATA 17 2 1 SP_DAT MI
P24
RX1205
D1H81014A042
18 19 20
21 22 23
R1837 0
R1836 0
LB1829 J0JYC0000452
VR USB_A_SW5R1V
LB1826 J0JYC0000452
VR USB_B_SW5R1V
LB1827 J0JBC0000010
LB1828 J0JBC0000010
VR PW_SW5R4V_ILUM
QR1803
R1838 0 B1GBCFGN0016
Q1806
LED DRIVE
DSA200100L
R1839 0
R1833 SWITCH
100K
Q1805
R1835
100K
DSA200100L
SWITCH
QR1804
B1GBCFGN0016
LED DRIVE
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
21 22 23
60
24 25 26
P1811
1 D-B
2 D+B
D-A F
3
TO
4 D+A
C1812 USB CIRCUIT (CN6901)
5 DGND
1000P IN SCHEMATIC
6 USB_A_SW5R1V
DIAGRAM - 17
7 USB_B_SW5R1V
USBLED_B
8
C1813 1000P
9 USBLED_A
1/2 2/2
24 25 26
27 28
A
B
C
D
E
F
G
SA-MAX3500PU
H
27 28