LG SH2 Service Manual

3-303-29
CIRCUIT VOLTAGE CHART
1. ICs 3. CAPACITORS
2. DIODES
Location No Description Source Spec Range[V] Measure [V]
IC101 MLC3730D
M3.3VA 3.135~ 3.465 3.32
OSC_3.3VA 3.135~ 3.465 3.32
1.2VA 1.08 ~1.32 1.22
USB_1.2V 1.08 ~1.32 1.22
PLL_1.2VA 1.08 ~1.32 1.22
IC104 W9864G6KH-6 M3.3VA 3.0 ~ 3.6 3.32
IC105 W25Q32 M3.3VA 3.0 ~ 3.6 3.32
IC201 CS8422
VL(VCC33) 1.71~ 5.25 3.29
VA(VCC33) 3.125 ~ 3.465 3.3
V_REG(VCC33) 3.125 ~ 3.465 3.29
IC501 TC354K 3.3_MICOMF 1.8 ~ 3.6 3.32
IC601 TPS563200 5.2VA 4.5 ~ 17 5.13
IC602 BD2242G M3.3VA 2.8 ~ 5.5 3.32
IC603 TPS563200 5.2VA 4.5 ~ 17 5.13
IC604 AP6503 PVDD 4.75 ~ 23 20.5
IC701 TAS5733
PVDD -0.3 ~ 30 20.5
SVCC33 -0.3 ~ 3.6 3.29
IC702 TAS5733
PVDD -0.3 ~ 30 20.5
SVCC33 -0.3 ~ 3.6 3.29
IC921 PCM1808
VCC50 45 ~ 5.5 5.14
VCC33 2.7 ~ 3.6 3.3
PC1 LTV817 VCE 35 1.17
Q1 HFS12N65S VDS 650 Vpp 482 Vpp
U1 OB5269 VDD 12 ~ 30 13.33
U21 SN431AS VKA 36 17.04
Location No Value (uF) Voltage_Spec Measure Margin
C3, C4 330 pF 400 119 281
C5 68 450 335 115
C6 (Peak to Peak) 2200 pF 400 82 318
C7 0.1 50 1.17 48.83
C8 1000 pF 50 0.008 49.992
C9 47 50 13.59 36.41
C10 (Peak to Peak) 2200 pF 400 22 378
C12 0.1 50 13.33 36.67
C21 (Peak to Peak) 1000 pF 400 168 232
C22 1000 25 21 4
C24 1 50 14.4 35.6
C25 0.1 50 21 29
C101 2.2 16 3.32 12.68
C102, C107, C111,
C112, C118, C131,
C133, C143, C144,
C145, C146, C147,
C152, C154, C155
0.1 16 3.32 12.68
C120, C132, C151,
C153, C126, C108, C109
0.1 16 1.23 14.77
C222 47 16 3.29 12.71
C223 47 16 2.48 13.52
C612, C623, C170,
C206, C608, C609,
C610, C611, C625,
C626, C627, C928
10 10 3.32 6.68
C634 10 16 3.31 12.69
C712, C735, C753, C754 10 25 20.5 4.5
C714, C716 1 25 7.17 17.83
C721, C737, C757, C761 0.47 25 20.5 4.5
C921, C922, C923 1 25 3.3 21.7
Location No Description Specifi cation Anode Cathode
BD1 RS205M 600V /2A 335
D1 HER108 1000V/1A 418 Vpp
D2 SR1150 150V/1A 86 Vpp
D21, D22 SF56 400V/5A 168 Vpp
D753 1SS355 40 V/100 mA 0.15 0.52
ZD1 MM1Z5245B 15V/0.5W 1.147
ZD622 UDZVTE-17 13B Vbk37 V/0.2 W 0 17.95
ZD661 UDZVTE-17 4.3B Vbk37 V/0.2 W 0 3.46

LG SH2 Specifications

General

Surround Sound	other
Inputs	optical digital audio
Outputs	none
HDMI Inputs	0
HDMI Outputs	0
USB Ports	0
Bluetooth	yes
Wireless Connectivity	bluetooth
Optical Audio Inputs	1
Remote Control	yes

Weight and Dimensions

Depth	3.5 inches
Height	2.4 inches
Width	34.6 inches
Net Weight	4 pounds