32LV3400-JA (CHASSIS:LE13B) - LG TV Service Manual (repair manual). Page 44

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.

10/07/01

SC_INTERFACE

110  130

BCM-JAPAN

SIGN51915

C1103

0.1uF

16V

R1106

OPT

R1111

22

C1107
0.33uF
16V

L1100

BLM18PG121SN1D

R1115

10K

C1102

0.1uF

16V

C1104

0.1uF

16V

C1106

0.1uF

16V

R1114

22

SMARTCARD_PRES

R1107

2.7K

+3.3V_NORMAL

R1116
75

R1104

2.7K

R1103

22

+3.3V_NORMAL

+3.3V_NORMAL

R1113

22

B_CAS_5V_3V_CONTROL

C1101

10uF
10V

L1101

BLM18PG121SN1D

C1100
0.1uF

16V

R1109

OPT

C1105

0.1uF
16V

+5V_NORMAL

R1110

22

R1112

22

R1117
1K

R1105

OPT

R1108

2.7K

SMARTCARD_CLK

SMARTCARD_RST

SMARTCARD_VCC

SMARTCARD_IO

JK1100

10057542-1311FLF(B CAS Slot)

C1

VCC

C2

RST

C3

CLK

C4

RESERVED_1

C5

GND

C6

VPP

C7

I/O

C8

RESERVED

S1

SW1

S2

SW2

IC1100

TDA8024TT

3

5V/3V

2

CLKDIV2

4

PGND

1

CLKDIV1

6

VDDP

5

S2

7

S1

8

VUP

9

PRES

10

PRES

11

I/O

12

AUX2

13

AUX1

14

CGND

15

CLK

16

RST

17

VCC

18

PORADJ

19

CMDVCC

20

RSTIN

21

VDD

22

GND

23

OFF

24

XTAL1

25

XTAL2

26

I/OUC

27

AUX1UC

28

AUX2UC

C1110
100pF
50V

sattellite sensitivity

ZD1000

5V

ZD1001
5V

B-CAS (SMART CARD) INTERFACE

75 ohm in I/O is for short circuit Protection

  INT    CMDVCC  :     STATUS
---------------------------------
  HIGH    HIGH      CARD PRESENT
  LOW     HIGH      CARD not PRESENT

CLKDIV1  CLKDIV2  : F_CRD_CLK
-----------------------------
   1        0        CLKIN

Place CLK C3 far from C2,C7,C4 and C8

B-CAS SLOT