LG SPD75A Service Manual

Copyright © 2020 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
NO. SYMBOL SPEC. (V, mW) MEASURED (V)
1
GIC01
Microcontrollers(EAN62632101)
VDD : −0.5 to +6.5
VSS : −0.5 to +0.3
VDD: 3.39
VSS: 0.21
2
IC100
Serial Flash Memory(EAN64309702)
VCC: -0.6 to 4.2 V VCC: 3.39
3
IC101,103
Serial Flash Memory(EAN64309702)
VCC: 2.7 to 3.6 V VCC: 3.39
4
IC102
Microcontrollers(EAN64282501)
DVCC: -0.3 to 4.1
AVCC: -0.3 to 4.1
DVCC: 3.39
AVCC: 3.39
5
IC302
DC,DC Converter(EAN64387401)
VIN: 4.2V to 17 V
VOUT: ADJ 5.1 V
VIN: 12.12
VOUT: 5.21
6
IC303
DC,DC Converter(EAN64387401)
VIN: 4.2V to 17 V
VOUT: ADJ 3.3 V
VIN: 12.08
VOUT: 3.402
7
IC307
Analog Switch(EAN64407301)
VIN: 2.5 to 5.5
VOUT: ADJ 5 V
VIN: 5.19
VOUT: 5.18
8
IC308
Analog Switch(EAN64407301)
VIN: 2.5 to 5.5 V
VOUT: ADJ 5 V
VIN: 5.19
VOUT: 5.05
9
IC310
DC,DC Converter(EAN64387401)
VIN: 4.2V to 17 V
VOUT: ADJ 1 V
VIN: 5.32
VOUT: 1.14
10
IC313
Analog Switch(EAN64407301)
VIN: 2.5 to 5.5 V
VOUT: ADJ 3.3
VIN: 3.39
VOUT: 3.39
11
IC314
Analog Switch(EAN64407301)
VIN: 2.5 to 5.5 V
VOUT: ADJ 3.3
VIN: 3.38
VOUT: 3.39
12
IC315
Analog Switch(EAN64407301)
VIN: 2.5 to 5.5 V
VOUT: ADJ 3.3
VIN: 3.38
VOUT: 3.39
13
IC316
Analog Switch(EAN64407301)
VIN: 2.5 to 5.5 V
VOUT: ADJ 3.3
VIN: 3.36
VOUT: 3.39
14
IC317
Analog Switch(EAN64407301)
VIN: 2.5 to 5.5
VOUT: ADJ 3.3 V
VIN: 3.39
VOUT: 3.39
15
IC318
Analog Switch(EAN64407301)
VIN: 2.5 to 5.5
VOUT: ADJ 3.3 V
VIN: 3.39
VOUT: 3.39
16
IC319
LDO Voltage Regulator(EAN64395201)
VIN: 2.3 to 6 V
VOUT: ADJ 3.3 V
VIN: 3.35
VOUT: 1.81
17
IC320
LDO Voltage Regulator(EAN64395201)
VIN: 2.3 to 6 V
VOUT: ADJ 1.8 V
VIN: 3.39
VOUT: 1.81
18
IC321
LDO Voltage Regulator(EAN64395201)
VIN: 2.3 to 6 V
VOUT: ADJ 1.2V
VIN: 3.35
VOUT: 1.81
19
IC322
LDO Voltage Regulator(EAN64395201)
VIN: 2.3 to 6 V
VOUT: ADJ 1.8 V
VIN: 3.38
VOUT: 1.84
20
IC401
AEC
DVDD18: -0.3 to 2.1
AVDD18: -0.3 to 2.1
DVDD28(for 1.8V IO): -0.3 to 2.1
DVDD28(for 3.3V IO): -0.3 to 3.9
VCCK: -0.3 to 1.2
DVDD18: 1.821
AVDD18: 1.81
DVDD28 (for 1.8 V IO): 1.81
DVDD28 (for 3.3 V IO): 3.36
VCCK: 1.125
21
IC403
LDO Voltage Regulator(EAN64395201)
VIN: 2.3 to 6 V
VOUT: ADJ 1.2 V
VIN: 3.39
VOUT: 1.81
22
IC404
Conversion IC
CONFIG : to 3.6 V
IOVDD : to 3.6 V
IOVDD : 1.81 V
CONFIG : 1.81 V
NO. SYMBOL SPEC. (V, mW) MEASURED (V)
23
IC501
MPEG
VCC33IO: -0.3 to 3.46
(3.3V_NOR)
VCC18IO: -0.3 to 1.89
(1.8V_NOR)
DVDD_CORE: -0.3 to 1.05
DDRV (DDR3) : -0.4 to 1.57
(DDR_1.5V)
AVDD33: -0.3 to 3.45
AVDD18: -0.3 to 1.89
AVDD105: -0.3 to 1.10
VCC33IO: 3.39
VCC18IO: 1.81
DVDD_CORE: 1.05
DDRV (DDR3) : 1.53
AVDD33: 3.39
AVDD18: 1.81
AVDD105: 1.05
24
IC504
MCP,eMMC
VDD: 1.7 to 1.95 VDD: 1.85
25
IC700, IC701 IC702
Audio Amplifi er(EAN62395902)
VDD: -0.3V~13.2 V VDD: 11.78
26
IC801
e-ARC
IOVCC33: -0.3 to 4
CVCC12: -0.3 to 1.5
PVCC12: -0.3 to 1.5
AVCC33: -0.3 to 4
AVCC12: -0.3 to 1.5
IOVCC33: 3.36
CVCC12: 1.25
PVCC12: 1.25
AVCC33: 3.36
AVCC12: 1.25
27
IC802
Analog Switch(EAN64407301)
VIN: 2.5 to 5.5 V
VOUT: ADJ 3.3
VIN: 3.38
VOUT: 3.39
28
IC803
LDO Voltage Regulator(EAN64395201)
VIN: 2.3 to 6 V
VOUT: ADJ 1.8 V
VIN: 3.36
VOUT: 1.84
29
IC919
IC,Analog Switch(EAN65165901)
VIN: 2.5 to 5.5 V
VOUT: ADJ 5 V
VIN: 5.16
VOUT: 5.05
30
ICK01
Capacitive Touch
Sensor(EAN62345001)
VDDIO :-0.5 V to 3.6 V VDDIO: 3.36
3-203-19
CIRCUIT VOLTAGE CHART

LG SPD75A Specifications

General

Brand	LG
Model	SPD75A
Category	Speaker System
Language	English