LC-52X20E (serv.man5). Major IC Informations - Sharp TV Service Manual (repair manual). Page 33

LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU

5 – 33

AF3

GP14

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: VS1, the second POD interface voltage sense.

AF2

GP13

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: VPP_EN#, the second POD interface slot VPP enable.

AF1

GP12

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: VPP_EN, the second POD interface slot VPP enable.

AG1

GP11

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: VCC_EN#, the second POD interface slot VCC enable.

AG2

GP10

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: VCC_EN, the second POD interface slot VCC enable.

AG3

GP9

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: WAIT#, WAIT# signal to expend bus cycle.

AG4

GP8

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: Ready and IREQ.

AG5

GP7

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: SI2C1_SDA, I2C bus SDA.

AH5

GP6

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: SI2C1_SCL, I2C bus SCL.

AH4

GP5

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: SI2C1_DEVID, I2C bus DEVID.

AH3

GP4

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: SI2C2_SDA, I2C bus SDA.

AH2

GP3

I/O

Program IO.
PWM: Pulse-Width Modulation.

AH1

GP2

I/O

Program IO.
PWM: Pulse-Width Modulation.

AJ1

GP1

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: SI2C2_SCL, I2C bus SCL.

AJ2

GP0

I/O

Program IO.
PWM: Pulse-Width Modulation.
POD: SI2C2_DEVID, I2C bus DEVID.

Power and ground pins
A26, AJ20, Y6

V5SF

—

5V safe power.

AA13, AA22, AB13, AB14, 
AB21, AB22, AD6, AE6, 
AF6, AG6, AH6, AJ8, AJ9, 
AJ10, AJ11, AJ12, AJ16, 
AJ17, AJ18, AJ19, AK11, 
AK12, AL11, AL12, AM12, 
AN12, AP12, E7, E8, F6, F7, 
F8, F9, G6, H6, J6, N13, 
N14, N21, N22, P13, P22, 
T6, U6, V6, W6

VDDC

—

Core power supply= 1.2V

A28, B28, C28, C29, D28, 
D29, E27, E28, F16, F17, 
F18, F19, F23, F24, F25, 
F26, F27, F28, K6, L 6, M6

VDDF

—

Power supply= 3.3V

AE31, AM31, C31, L31

VDDI33

—

3.3V power for DDR IO input buffer.

AA29, AA30, AA31, AA32, 
AA33, AA34, AD29, AD30, 
AE29, AE30, AH29, AH30, 
AH31, AJ27, AJ28, AK27, 
AK28, AL27, AL28, AM27, 
AM28, AM29, AN27, AN28, 
AP27, AP28, G29, G30, 
G31, K29, K30, L29, L30, 
V31, V32, W29, Y29, Y30

VDDM

—

2.5V supply ring for memory interface (Long PAD).