LG 60PK750 Service Manual page 18

CAN H-NIM/NIM TUNER for EU
TU600
TDTJ-S001D
READY
close to TUNER
ANT_PWR[OPT]
1 R605 0
READY
BST_CNTL
2
+B
3
NC[RF_AGC]
4
+3.3V_TU
AS
5
SCL
6
SDA
7
NC[IF_TP]
8
SIF
9
0 . 1 u F
NC
10
VIDEO
11
GND
12
1.2V
13
3.3V
14
RESET
15
IF_AGC_CNTL
16
DIF_1
17
DIF_2
18
19
SHIELD
+3.3V_TU
AZ1117H-ADJTRE1(EH11A)
INPUT
3
OUTPUT
C617
0 . 1 u F
16V
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 © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
+5V_TU
C619
C608
C615 10uF
0 . 1 u F
C609 0 . 1 u F 10V
C604
16V C613
16V
0 . 1 u F 100uF READY
100uF
READY
16V
16V 16V C
Q600 B
2SC3052
R608 0 READY
E
+3.3V_TU
READY
L604 270nH
SCL0_3.3V
L603 270nH
SDA0_3.3V
+5V_TU
C697 C698
C601
C600
20pF
62pF 20pF
62pF
50V 50V
50V 50V
R600
C607
200
16V
close to TUNER
B
+3.3V_TU
+1.2V_TU
C602 C616
C610 +3.3V_TU
100pF 0 . 1 u F C603
0 . 1 u F
50V 16V 100pF
16V
50V
R622
R617 100K
TUNER_RESET
100
C612
0
0 . 1 u F
16V
R607
TU_IF_AGC_BCM
C3062
READY
0 . 1 u F
TU_IF_N_BCM
16V
TU_IF_P_BCM
IC600
+1.2V_TU
R613
ADJ/GND
10
1
R2
+3.3V_MULTI
2
GND
R623
1.2K
R1
0
V_OUT=V_REF(1+R2/R1) R612
C621 C618
10uF 0 . 1 u F
10V 16V
OPTION : RF AGC
R621
10K +5V_TU
IF_AGC_SEL
READY
R625
470
R616
82
TU_SIF
E
B
ISA1530AC1
R626 Q604
C
4.7K
R602
200
TU_CVBS
E
Q602
ISA1530AC1
C
+3.3V_TU
L602
CIC21J501NE
C606
C611
C620
0 . 1 u F C699
0 . 1 u F
22uF
100uF
16V
16V 10V
16V
EAX61354901
TUNER
1 1 1 3
LGE Internal Use Only