LG 32LE5500 Service Manual page 36

IR & KEY
+3.5V_ST
+3.5V_ST
R8202
47K
R8200
22
R8204
IR
47K
R8203
C 10K
Q8200
B
2SC3052
E
R8205
C 47K
B
Q8201
E
2SC3052
R8201
0
OPT
RS232C
C8200 0.33uF
C1+
C8201
0.1uF
C8202
0.1uF
C1-
C2+
C8203
0.1uF
C2-
C8204
0.1uF
DOUT2
RIN2
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.
Downloaded from www.Manualslib.com
+3.5V_ST
R8211 R8213
10K 10K
1% 1%
L8200
R8209
BLM18PG121SN1D
100
KEY1
L8201
R8210
D8201
BLM18PG121SN1D
100
KEY2
AMOTECH
C8206 C8207
0.1uF 0.1uF
D8200
5.6V
AMOTECH
+3.5V_ST
L8202
BLM18PG121SN1D
+3.5V_ST
C8208 C8209
0.1uF 1000pF
16V 50V
R8206
3.3K
OPT
+3.3V_NORMAL
COMMERCIAL +3.5V_ST
+3.5V_ST
R8214
47K
R8207 COMMERCIAL_EU
22
R8218
IR_OUT
47K
COMMERCIAL
R8216 COMMERCIAL
C
Q8202 10K
B
2SC3052
E
COMMERCIAL_EU R8220
COMMERCIAL_EU C 47K
B
Q8204 E COMMERCIAL
2SC3052
COMMERCIAL
R8212
0
COMMERCIAL_US
Zener Diode is
WIRELESS +3.5V_ST
+3.5V_ST
R8215
47K
R8208 WIRELESS
22
R8219
IR_PASS
47K
WIRELESS
R8217 WIRELESS
C 10K
Q8203
B
2SC3052
E WIRELESS
WIRELESS
R8221
C 47K
B
Q8205 WIRELESS
E
2SC3052
WIRELESS
+3.5V_ST
IC8200
C8205
MAX3232CDR
0.1uF
VCC
1 16
V+ GND
2 15
+3.5V_ST
DOUT1
3 14
R8222
RIN1
4.7K
4.7K
4 13
OPT
OPT
ROUT1
5 12
V- DIN1
6 11
DIN2
7 10
ROUT2
8 9
EAN41348201
manuals search engine
EYEQ
R8225
100 D8204
NEC_EEPROM_SCL
P8200
CDS3C05HDMI1
5.6V
12507WR-12L
C8213
1000pF
50V
OPT
1
EYEQ
R8226
100
2
NEC_EEPROM_SDA
5.6V
D8205
C8214
CDS3C05HDMI1
1000pF
5.6V 3
50V
OPT
4
5
6
R8227 1.5K
7
LED_B/LG_LOGO
TACT_KEY
R8287
10K
8
LD650/LD750
R8224
100
9
D8206
C8212 5.6V
AMOTECH
100pF
10
50V
L8203
BLM18PG121SN1D
11
R8276
12
LED_R/BUZZ
C8210 C8211
1.5K
1000pF
0.1uF OPT
50V 13
R8280
16V
10K
close to wafer
10
5
9
OPT
4
IR_OUT
R8279
0
8
R8277
100
3
7
R8278
100
2
6
D8202 D8203
CDS3C30GTH CDS3C30GTH
30V 30V 1
SPG09-DB-009
JK8201
R8223
R8273 0
BCM_RXD1
R8274 0
NEC_RXD
R8272 0
BCM_TXD1
R8275 0
NEC_TXD
ETHERNET CONNECT
A2.5V
L8204
CIC21J501NE
R8283
0
EPHY_TDP
OPT
C8218
10pF
50V
R8284
0
EPHY_TDN OPT
C8220
R8285 10pF
50V
0
EPHY_RDP
OPT C8216
C8221 1000pF
10pF
50V
50V
R8286
0
EPHY_RDN
OPT
C8222 C8217
10pF
50V 1000pF
D3.3V
R8281 510
EPHY_LINK
R8282 510
EPHY_ACTIVITY
Trace impedance : 100 ohm differenctial impedance to GND plane
5 mils trace width with 7 mils air gap on P/N pair.
Adjacent TX/RX differential pairs should be separated by more than
15 mils to each other
JK8200
XRJV-01V-D12-180
1
2
3
4
5
6
7
8
D1
D2
D3
D4
9