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REAL TIME CLOCK
IC1301
M41T81
X1301
32.768KHz
XI
EAW39040101
1
XO
2
VBAT
3
VSS
4
R1300
1K
+5V_GENERAL
RJP
RJP_CTRL_0
RJP_CTRL_1
RJP_CTRL_2
RJP_CTRL_3
RJP_DET
BUZZER
+5V_ST
IC1300
74LX1G14CTR
NC
VCC
1
5
1A
2
BUZZ_PWM
GND
1Y
3
4
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 ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LED CLOCK
+5V_ST
+5V_ST
VCC
C1303
R1331
C1304
8
0 . 1 u F
4.7K
10uF
OPT
16V
R1306
IRQ/FT/OUT/SQW
22
7
OPT
R1308
CLOCK/AMP_SCL
SCL
22
6
R1307
CLOCK/AMP_SDA
SDA
22
5
+12V_RJP
JK1300
MJ-657PT-8-SD
1
CLOCK/AMP_SDA
2
3
4
5
6
7
8
9
⁄
⁄
* * P o l a r i t y N o t a t i o n i n P C B
C1302
BU1300
0 . 1 u F
PKLCS1212E4001-R1
16V
1
2
Q1300
E
2SA1504S
B
B
C
L1300
CB3216PA501E
C1307
R1332
47uF
0
16V
R1309
33K
IC1302
KIA7042AF
O
I
3
1
IC1303
PIC16F819-I/SO
2
C1305
C1306
G
0 . 0 1 u F
100pF
50V
RA2/AN2/VREF-
50V
1
RA3/AN3/VREF+
2
RA4/AN4/T0CKI
3
RA5/MCLR/VPP
4
VSS
5
+5V_ST
RB0/INT
6
R1334
R1311
4.7K
4.7K
R1310
RB1/SDI/SDA
100
7
RB2/SDO/CCP1
8
R1312
RB3/CCP1/PGM
47K
9
Q1304
Q1301
Q1302
Q1303
E
E
E
E
2SA1504S
2SA1504S
2SA1504S
2SA1504S
B
B
B
C
C
C
C
IC1305
R1338
220
KID65003AF
I 1
O1
1
16
I 2
O2
RA1/AN1
2
15
18
I 3
O3
RA0/AN0
3
14
17
I 4
O4
RA7/OSC1/CLKI
4
13
16
I 5
O5
+5V_ST
RA6/OSC2/CLKO
5
12
15
I 6
O6
VDD
6
11
14
I 7
O7
RB7/T1OSI/PGD
7
10
13
GND
COMMON
RB6/T1OSO/T1CKI/PGC
8
9
12
RB5/SS
11
RB4/SCK/SCL
10
R1317
100
R1335
4.7K
+5V_ST
IC1304
74AC08SJ
A0
VCC
1
14
B0
A2
2
13
IROUT_RS232
O0
B2
3
12
A1
O2
4
11
B1
A3
5
10
O1
B3
6
9
GND
O3
7
8
xxLG350H-TA
Commercial
13
12
11
10
9
8
7
6
R1320
10
5
R1319
10
4
R1325
10
3
R1321
10
2
R1322
10
1
R1324
10
R1323
12505WS-12A00
10
P1301
+5V_ST
CLOCK/AMP_SCL
+5V_ST
R1318
C1309
0 . 1 u F
4.7K
R1327
R1329
10K
10K
R1326
22
C
R1328
10K
Q1305
B
2SC3875S(ALY)
C
R1330
E
C1310
47K
Q1306
B
100pF
2SC3875S(ALY)
OPT
IR_MST
E
IROUT_HDMI1
IROUT_HDMI2
2 0 0 9 . 1 . 2 3
1 3
1 3
LGE Internal Use Only
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