LG CK57, Руководство по обслуживанию

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CIRCUIT VOLTAGE CHART
1. CONNECTORS
2. CAPACITORS 3. ICs
3-33 3-34
Pin No. Pin Name Spec [%] Range [%] CABLE Input Voltage Margin [%] CABLE Output Voltage Margin [%]
MAIN <-> SMPS (BtoB) CN902 (SMPS) CN102 (MAIN)
5,6,7 PVDD 45 ±10% 43.71 -2.9% 43.72 -2.8%
13,14 12 VA 12 ±10% 12.05 0.4% 12.06 0.5%
MAIN <-> USB (Harness) CN502 (MAIN) CN301 (FRONT)
1,2 USB_5V 5.1 ±10% 5.2 2.0% 5.2 2.0%
MAIN <-> BT Module (FFC) CN5101 (MAIN) BT Module
1 VDD 3.4 ±10% 3.37 -0.9% 3.37 -0.9%
MAIN <-> FRONT (FFC) CN101 (MAIN) CN300 (FRONT)
1 DVCC_3.3V 3.4 ±10% 3.34 -1.8% 3.36 -1.2%
2 LED_5V 5.1 ±10% 5.18 1.6% 5.16 1.2%
4 12VA_VFD 12 ±10% 12.03 0.2% 12.02 0.2%
6 3.3VA 3.4 ±10% 3.4 0.0% 3.39 -0.3%
MAIN <-> MD (Pick-up) CN400 (MAIN) MD
8 VCC 5 ±10% 5.21 4.2% 5.18 3.6%
SYMBOL Capacity (uF) SPEC Voltage (V)
C121 220 16 3.04
C134 100 16 5.17
C169 100 16 12.02
C260 100 16 5.16
C308 47 16 3.28
C309 47 16 3.04
C331 100 16 0.18
C332 100 16 0.18
C333 47 16 3.34
C334 47 16 12.01
C339 47 16 5.15
C402 100 16 5.16
C411 47 16 3.27
C418 3.3 50 1.173
C421 47 16 1.65
C447 220 16 5.14
C766 680 63 44.1
C767 680 63 44.1
C770 680 63 44.1
C771 680 63 44.1
C903 330 109
C904 330 109
C909 22 16
C911 47 22
C914 10 21
C933 1000 12
C934 470 12
C952 2200 43
C953 2200 43
Location No.
SPEC -20 % (88 V, 60 Hz) +20 % (288 V, 60 Hz)
(V, mV) (V) (V)
IC100, IC101
DC, DC Converter
Vin : -0.3 ~ 7
Vsw : -0.3 ~ Vin : +0.3
Vin : 5.17
Vsw : 2.4
Vin : 5.17
Vsw : 2.4
IC102
DC, DC Converter
VIN : 4.2~17 V VIN : 11.98 VIN : 11.98
IC103
Analog Switch
Vin : 2.5 ~ 5.5 V
Vout : 0 ~ 5.5 V
Vin : 3.35
Vout : 0~5.5 V
Vin : 3.35
Vout : 0 ~ 5.5 V
IC104, IC105
Analog Switch
Vin : -0.3 ~ 6 V
Vout : -6 ~ 6 V
Vin : 5.15 V
Vout : 5.12 V
Vin : 5.15 V
Vout : 5.12 V
IC200
Line Driver
VDD : 3 ~ 3.6 V VDD : 3.32 V VDD : 3.32 V
IC202
A/D Converter
AVDD : -0.3 ~ 3.9 V
DVDD : -0.3 ~ 3.9 V AVDD : 3.309 V
DVDD : 3.31 V
AVDD : 3.309 V
DVDD : 3.31 V
IC204
LED Driver
VCC : 3.0 ~ 5.5 V VCC : 3.31 V VCC : 3.31 V
IC400
Motor Driver
VCC : 4.3 ~ 13.2 V VCC : 5.14 V VCC : 5.14 V
IC401
RF Ampli fi er
DVDD,AVDD : 2.7 ~ 3.6 V
VDD_CORE : 1.4 ~ 1.65 V
DVDD, AVDD : 3.3 V
VDD_CORE : 1.53 V DVDD, AVDD : 3.3 V
VDD_CORE : 1.53 V
IC500
Digital Signal Processors
VDD12 : 1.08 ~ 1.32 V
VDD33 : 3.0 ~ 3.6 V
VDD12 :
VDD33 : 3.30 V
VDD12 :
VDD33 : 3.30 V
IC501
Serial Flash Memory
Vcc : 2.7 ~ 3.6 V Vcc : 3.35 V Vcc : 3.35 V
IC502
Reset
VDD: 1 ~ 7 V VDD: 3.35 V VDD: 3.35 V
IC503
Serial Flash Memory
Vcc : 2.7 ~ 3.6 V Vcc : 3.35 V Vcc : 3.35 V
IC504
SDRAM
VDD, VDDQ : 3.0 ~ 3.6 V VDD, VDDQ : 3.38 V VDD, VDDQ : 3.38 V
IC700
Sound/Audio Processor
DVDD : 3.0 ~ 3.6 V
AVDD : 3.0 ~ 3.6 V DVDD : 3.30 V
AVDD : 3.30 V DVDD : 3.30 V
AVDD : 3.30 V
IC701, IC702
Audio Ampli fi er
PVDD : 25 ~ 52.5 V
GVDD : 10.8 ~ 13.2 V
VDD : 10.8 ~ 13.2 V
PVDD : 43.7 V
GVDD : 11.98 V
VDD : 11.99 V
PVDD : 43.7 V
GVDD : 11.98 V
VDD : 11.99 V
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