LG 47LA790V Service Manual page 43

SMARTCARD_PWR_SEL/SD_EMMC_DATA[1]
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
B-CAS (SMART CARD) INTERFACE
+3.3V_NORMAL
SIGN630028
CLKDIV1 CLKDIV2 : F_CRD_CLK
-----------------------------
1 0 CLKIN
CLKDIV1
1
CLKDIV2
2
JAPAN
5V/3V
R6300 22 3
PGND
+5V_NORMAL
4
S2
JAPAN
5
L6300
BLM18PG121SN1D
VDDP
JAPAN 6
JAPAN
C6301 C6303
JAPAN
C6300
10uF 0.1uF S1
0.1uF 7
10V 16V
16V
VUP
8
JAPAN
C6302
PRES
0.1uF 9
16V
PRES
10
I/O
11
AUX2
12
AUX1
13
CGND
14
+3.3V_NORMAL
IC6300
TDA8024TT
AUX2UC
28
AUX1UC
27
JAPAN
I/OUC
26 R6307 22
JAPAN
XTAL2
25 R6308 22
JAPAN
XTAL1
24 R6309 22
JAPAN
OFF
23 R6310 22
JAPAN
GND
22 R6311 22
L6301 JAPAN
JAPAN
BLM18PG121SN1D
VDD
21
JAPAN
JAPAN
C6305
RSTIN C6306
20 0.1uF 0.1uF
16V 16V
CMDVCC
19
PORADJ
18
VCC
17
RST
16
CLK Place CLK C3 far from C2,C7,C4 and C8
15
JAPAN
C6304
0.1uF
16V
JAPAN
R6313
75
75 ohm in I/O is for short circuit Protection
+3.3V_NORMAL
JAPAN
R6314
1K
ZD6300
INT CMDVCC : STATUS
---------------------------------
HIGH HIGH CARD PRESENT
LOW HIGH CARD not PRESENT
SMARTCARD_DATA/SD_EMMC_CLK
SMARTCARD_CLK/SD_EMMC_DATA[0]
SMARTCARD_DET/SD_EMMC_DATA[3]
SMARTCARD_RST/SD_EMMC_DATA[2]
SMARTCARD_VCC/SD_EMMC_CMD
B-CAS SLOT
P6300
10057542-1311FLF(B CAS Slot)
VCC
JAPAN
C1
C6307
0.33uF
RST
16V
C2
CLK
C3
RESERVED_1
C4
GND
C5
VPP JAPAN
C6
I/O
C7
RESERVED
C8
SW1
S1
SW2
S2
ZD6301
5V
5V
CI SLOT 2011.04.17
62
LGE Internal Use Only