LG 42PJ350R Service Manual page 19

EAX61365502(BPR)
H6 Revolution Circuit Diagram
This parts are Located
on AVSS area.
R302
0
C316
4700pF
AVSS
C313
R313
0.047uF 470
Separate DGND AND AVSS
+3.3V_AVDD
AVDD
C300 C304 TESTOUT
10uF 16V 0.1uF
I2S_MCLK
MCLK
AVSS
R308
OSC_RES
R304
200
22
18K
DVSS_1
1% R309
VR_DIG
AC_DET
R300 PDN
1K
C306 LRCLK
C302
C301
4.7uF
0.1uF
1000pF 10V
50V SCLK
SDIN
R305
SDA
22
I2S_WS
R306
SCL
22
I2S_SCK
R307
22
I2S_SDO
A_SDA
A_SCL
+3.3V_DVDD
SW_RESET
C315
10uF 16V
+1.8V_DDR
C395
0.1uF
16V
H5PS5162FFR-S6C
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.
Tuner / Amp / DDR
Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
Audio Amp
AVSS
C332
AVSS 0.033uF
50V
C333 C341 C307 C326
0.1uF 0.1uF 100uF 100uF
25V 25V
48 PGND_AB_2
13
47 PGND_AB_1
14
46 OUT_B
15
45 PVDD_B_2
16
44 PVDD_B_1
17
43 BST_B
18 TAS5709PHPR
42 BST_C
19
IC300
41 PVDD_C_2
20
40 PVDD_C_1
21
39 OUT_C
22
38 PGND_CD_2
23
37 PGND_CD_1
24
+17V_TI
C303 C325
C337
C340 100uF 100uF
0.1uF 25V 25V
C318 0.1uF
1000pF
0.033uF
C331
50V
C322
0.1uF
C317
0.1uF
DDR Memory for Main IC
DDR2_A[0-12]
V_REF
IC303
DDR2_D[0-15]
+1.8V_DDR
+3.3V_MST
L310
+3.3V_AVDD
120-ohm
+17V_TI
L309
+3.3V_DVDD
120-ohm
SPK_L+
+17V_TI C373
0.01uF
L308
C369
AD-9060
2S 2F 0.1uF
R322
3.3
C364
0.68uF
1S 1F
R323
3.3
EAP61008401
C370
C374
0.1uF
50V
0.01uF
C355
0.033uF
0.1uF
C359 SPK_L-
SPK_R+
50V
0.033uF C371
C353 0.01uF
L307
C366
AD-9060
2S 2F 0.1uF
R320
3.3
C363
0.68uF
1S 1F
R321
3.3
EAP61008401
C367
C372
0.1uF
0.01uF
SPK_R-
P300
SMAW250-H04R
SPK_R-
1
SPK_R+ 2
SPK_L-
3
SPK_L+ 4
+1.8V_DDR V_REF
C382 C385
0.1uF 0.1uF
Close to DDR2 IC
+1.8V_DDR
IC303-*1
K4T51163QG-HCE7
Samsung
VREF DQ0 C380 C383 C386 C388 C389
J2 G8
G2 DQ1
H7 DQ2
A0 M8 DQ3 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
A1 M3 H3 DQ4
A2 M7 H1
A3 H9 DQ5
N2 F1 DQ6
A4 N8 DQ7
A5 N3 F9
A6 C8 DQ8
N7 C2 DQ9
A7 P2 DQ10
A8 P8 D7
A9 D3 DQ11
P3 D1 DQ12
A10/AP M2 DQ13
A11 P7 D9
A12 B1 DQ14
R2 B9 DQ15
BA0 L2
BA1 L3
A1 VDD_5
E1 VDD_4
CK J8 J9 VDD_3
CK VDD_2
K8 M9
CKE K2 R1 VDD_1
C381 C384 C387
ODT K9
CS VDDQ_10
L8 A9 0.1uF 0.1uF 0.1uF
RAS K7 C1 VDDQ_9
CAS L7 C3 VDDQ_8
WE VDDQ_7
K3 C7
C9 VDDQ_6
E9 VDDQ_5
LDQS F7 VDDQ_4
UDQS B7 G1
G3 VDDQ_3
G7 VDDQ_2
LDM F3 G9 VDDQ_1
UDM
B3
LDQS E8 A3 VSS_5
UDQS A8 E3 VSS_4
VSS_3
J3
NC_4 N1 VSS_2
L1 P9 VSS_1
NC_5 R3
NC_6 R7
NC_1 B2 VSSQ_10
A2 B8 VSSQ_9
NC_2 E2 VSSQ_8
NC_3 R8 A7 VSSQ_7
D2
D8 VSSQ_6
VSSDL E7 VSSQ_5
J7 VSSQ_4
F2
F8 VSSQ_3
H2 VSSQ_2
VDDL VSSQ_1
J1 H8
Tuner(7mm)
TU300
TAFJ-Z001D
+5V_TU
NC_1
1
C309
NC_2
0.1uF
2
+B[5V]
3
L300
R316
RF_AGC
BLM18BD102SN1D 100
4
EU
MOPLL_AS EU
5
SCL
R312
6
330
SDA R311
7 330
NC_3
C305
C308
8
27pF
27pF
R310
SIF
0
9
NC_4
10
R303
R301 READY
VIDEO
4.7K
11
+5V_TU
GND
12
L301
13 120-ohm
SHIELD
R318
270
C314
0.1uF
50V
R319
270
E
B Q301
TU300-*1 ISA1530AC1
TU300-*2
C
TAFJ-S001D
TAFJ-H001F
NC_1
PAL EU Tuner NC_1
1
1
NC_2
2 NC_2
2
+B[5V]
3 +B[5V]
3
RF_AGC
RF_AGC
4
4
MOPLL_AS
5 MOPLL_AS
5
SCL
SCL
6
6
SDA
7 SDA
7
NC_3
8 NC_3
8
SIF
SIF
9
9
NC_4
10 NC_4
10
VIDEO
VIDEO
11
11
GND
12 GND
12
13
13
SHIELD
SHIELD
Gaim Amp for MNT out
+17V_TI
+17V_AMP
L302
120-ohm C324
0.1uF
+17V_AMP
IC302
LM324D
C
1
Q302 B 1K R328
1 14
2SC3875S(ALY)
R330
MNT_LOUT 15K 1/16W
C390
5%
E 2
6800pF 33pF
2 13
50V
C392
R326
MNT_L_AMP R334
4.7K
3
R332 6.8K
3 12
5.6K
+17V_AMP
4
4 11
MNT_R_AMP
R333 5
5.6K
5 10
+17V_AMP 6
R335
6 9
6.8K
C393
7
33pF
7 8
C 1/16W
5% 15K R331
Q303 B 1K R329
2SC3875S(ALY)
MNT_ROUT
C391
E
6800pF
50V
R327
4.7K
AMP :GAIN X 4
H6 R
Tuner/Amp/DDR
C312
4.7uF
35V
EU
S_SCL
C
R317
10K IF_AGC_SEL
B
S_SDA
EU
Q300
E 2SC3875S(ALY)
EU
MAIN_SIF
R354
180
TV_MAIN
EU
C323
READY
TV_VOUT
R343 E
0
B Q304
ISA1530AC1
EU EU
C
+17V_AMP
C
14
R350 1K B Q305
2SC3875S(ALY)
EU EU
R348 10K TV_LOUT
EU
C397
13 E
33pF 6800pF
50V
C394
EU EU R352
TV_L_AMP
4.7K
12
R346
EU
5.6K
R344 EU
EU
11 6.8K
TV_R_AMP
10 R347
5.6K
EU
9 R345 +17V_AMP
EU
6.8K
C396
EU
8
33pF C
R349 EU 10K B Q306
2SC3875S(ALY)
R351 EU
1K
EU TV_ROUT
C398
E
6800pF
50V
R353
EU
EU
4.7K
2009/11/05
3 4
LGE Internal Use Only