LG Electronics 32LA62**-Z* service manual Vout=0.6*1+R1/R2, LGE Internal Use Only

RF_SWITCH_CTL_50 /TU_RESET2

FE_DEMOD1_TS_ERROR

+3.3V_TU

Global F/E Option Name

1. TU

TU_Q/W_KR/BR/TW/CO/JP

TU_S/N/Q/W

L6508

close to TUNER BLM18PG121SN1D

/TU_RESET1

TU_N/M_CN/TW/BR

C6520

R6508-*1

0.1uF

R6500 1K

16V

TU_N_

TW/BR

1K

5%

TU_N/M_TW/BR

TU_N/M_TW/BR

RF_SWITCH_CTL

C6501

R6505

1

RF_SWITCH_CTL_TU

0.1uF

10K

RF_SWITCH_CTL_50

R6501

1K

C6502

0.1uF

TU_M/W_BR/TW/CO/CN

R6508

2

/TU_RESET1_TU

100

TU_M/W_BR/TW/CO/CN

TU_A_GLOBAL_6/7

TU_S/N/Q/W

R6534

0

TU_N/Q/W_KR/TW/BR/CO

R6509

+3.3V_TU

3

I2C_SCL6_TU

I2C_SCL6

+3.3V_TU

1608 perallel

C6508

33

OPT

because of derating

TU_N/Q/W_KR/TW/BR/CO

47pF

R6510

4

I2C_SDA6_TU

50V

I2C_SDA6

R6516

OPT

TU_A_GLOBAL_6/7

TU_A_GLOBAL_6/7

C6506

33

close

to TUNER

470

R6518

+3.3V_TU

82

R6520

R6521

47pF

OPT

TUNER_SIF

200

200

5

+3.3V_TU

50V

OPT

E

C6514

C6522

TU_CVBS

100pF

6

TUNER_SIF_TU

50V

0.1uF 16V

B

OPT

E

OPT

Q6500

OPT

L6500

R6515

C MMBT3906(NXP)

TU_A_GLOBAL_6/7

BLM18PG121SN1D

4.7K

7

TU_+1.8V_TU

+1.8V_TU

B

Q6501

C6554

C6550

MMBT3906(NXP)

100pF

C

0.1uF

8

TU_CVBS_TU

50V

16V

TU_S/N/Q_T/US/KR/TW close

to Tuner

100

9

IF_AGC_TU

R6506

IF_AGC

C6503

close to Tuner

TU_S/N/Q_T/US/KR/TW

0.1uF

1. should be guarded by ground

10

IF_P

16V

IF_P

should be guarded by ground

+3.3V_TU

2. No via on both of them

11

IF_N

IF_N

3. Signal Width >= 12mils

Signal to Signal Width = 12mils

12

+3.3V_TU

Ground Width >= 24mils

R6506-*1

TU_N/M_CN/BR

13

Power_D_Demod_TU

TU_W_BR/TW

L6502

+1.23V_D_Demod

TU_N/M

BLM18PG121SN1D

TU_N_BR

100

TU_Q/W_KR/BR/TW/CO/JP

R6502

14

CN_RESET_TU

R6502-*1

L6507

+1.8V_TU

10

/S2_RESET

1K

5%

C6516

BLM18PG121SN1D

0.1uF

16V

TU_N/M/Q/W_KR/CN/BR/JP

16FE_DEMOD1_TS_ERROR FE_DEMOD1_TS_ERROR

17FE_DEMOD1_TS_SYNC FE_DEMOD1_TS_SYNC

18FE_DEMOD1_TS_VAL FE_DEMOD1_TS_VAL

19FE_DEMOD1_TS_CLK FE_DEMOD1_TS_CLK

20FE_DEMOD1_TS_DATA[0]

mA(MAX)

+3.3V_NORMAL

+3.3V_TU

L6503

BLM18PG121SN1D

C6526

C6529

C6530

0.1uF

22uF

0.1uF

16V

10V

16V

85C

T2 : Max 1.7A

else : Max 0.7A

TU_Q/N/M/W

+3.3V_TU

+1.23V_D_Demod

IC6501

AP2132MP-2.5TRG1

[EP]

TU_Q/N/M/W

TU_Q/N/M/W

R6527

R2

C6540

1

8

20K

1%

0.1uF

EN

THERMAL 9

ADJ

R6529

R1

PG

GND

TU_Q/N/M/W

2

7

R6528

11K

TU_

Q/N/M/W

1%

R6523

10K

10K

3

6

1%

TU_Q/N/M/W

VIN

2A 5

VOUT

TU_Q/N/M/W

C6533

4

10uF

+5V_NORMAL

10V

VCTRL

NC

TU_Q/N/M/W

EAN61387601

C6549

10uF

10V

TU_Q/N/M/W

C6535

1uF

Vout=0.6*(1+R1/R2)

2.	Tuner Name =	TDS’S’,TDS’Q’...
3.	Country Name	= T,T2,S2,KR,US,BR ...

Example of Option name

TU_Q_T2 = apply TDSQ type tuner and T2 country TU_M/W = apply TDSM&TDSW Type Tuner

13’ Tuner Type	for Global
TDS’S’-G501D :	T/C Half NIM Horizontal Type
TDS’Q’-G501D :	T/C/S2 Combo Horizontal type
TDS’Q’-G601D :	T2/C/S2 Combo Horizontal Type
TDS’Q’-G651D :	T2/C/S2 Combo Vertical Type
TDS’M’-C601D :	China NIM with Isolater Type
TDS’W’-J551F :	Japan Dual NIM

21FE_DEMOD1_TS_DATA[1]

22FE_DEMOD1_TS_DATA[2]

23FE_DEMOD1_TS_DATA[3]

24FE_DEMOD1_TS_DATA[4]

25FE_DEMOD1_TS_DATA[5]

26FE_DEMOD1_TS_DATA[6]

27FE_DEMOD1_TS_DATA[7]

30+1.23V_D_Demod_TU

31/S2_RESET_TU

FE_DEMOD1_TS_DATA[0-7]

FE_DEMOD1_TS_DATA[0]

FE_DEMOD1_TS_DATA[1]

FE_DEMOD1_TS_DATA[2]

FE_DEMOD1_TS_DATA[3]

FE_DEMOD1_TS_DATA[4]

FE_DEMOD1_TS_DATA[5]

FE_DEMOD1_TS_DATA[6]

FE_DEMOD1_TS_DATA[7]

TU_Q/W	+1.23V_D_Demod
L6501
BLM18PG121SN1D		TU_W
		R6513-*1
C6515		1K	5%
0.1uF

TU_Q/W

TU_Q

R6513

CHB : Max mA

else : Max mA

+3.3V_TU

+1.8V_TU

IC6503

AZ1117BH-1.8TRE1

IN 3 2 OUT

1R6531

ADJ/GND 1

C6546 C6548

10uF 10uF

10V 10V

32	+3.3V	_TU
33	LNB_TX
34	I2C_SCL4_TU
35	I2C_SDA4_TU
36	LNB_OUT

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			/S2_RESET
								+3.3V_TU
						C6521
						0.1uF
						LNB_TX OPT
	TU_Q/W_KR/BR/CO/TW R6503
					22			I2C_SCL4
			TU_Q/W
			C6504
			18pF
			50V
TU_Q/W_KR/BR/CO/TW			R6504	22				I2C_SDA4
			TU_Q/W
		C6500
LNB_OUT		18pF
		50V

+3.3V_TU

		C6542
C6531	C6538
	10uF	0.1uF
0.1uF	10V

Close to the tuner

TUNER 2012.07.10

65

Copyright © 2013 LG Electronics. Inc. All rights reserved.	LGE Internal Use Only
Only for training and service purposes