Sanyo LCD-19E3 Service Manual page 31

5
P03_System Power
Voltage Parts No Package Vin Vo
9VA LD1117AL U7 TO-252 12 9
5VSW_VIDEO APL1117-50UC U8 TO-252 9 5
1.25VD APW7085KAI U6 SOP-8 5 1.25
1.8VA_1.8VD UZ1084L-18 U4 TO-263 5 1.8
3.3VA LD1117AL U2 TO-252 5 3.3
3.3VD LD1117AL U3 TO-252 5 3.4
D
1 By Each Size
Inverter Backlight ADJ
Panel VDD
Power PWM DC level
condition
R17 R18 R3 R5 R6 C32 C33
AUO 19"HD 5V # 0 0 # # #
AUO 26"HD 12V 0 # # 0 220 0.1uF 10uF
AUO 32"HD 12V 0 # # 0 220 0.1uF 10uF
LGD 42"HD 12V 0 # 0 # # #
AUO 42"FHD 12V 0 # # 0 220 0.1uF 10uF
P04_C5 & MCU / Key
Key RES Sence V
Pull-up 10K 3.3V
POWER 0 0V
CH+ 1.3K 0.38V
CH- 1.8K 0.78V
VOL+ 2.7K 1.21V
VOL- 3.6K 1.60V
MENU 6.2K 2.01V
C
INPUT/EXIT 11K 2.40V
P05_C5 & Tuner Input
2 By Each Tuner
Tuner R54 R57 C139,C140 C95,C98 L26,L28
LGI TDVW-H110F_710F 270 270 1000pF # 0.22uH_KVL0805-R22J
Panasonic ENG36F06KF # 10 1000pF # 0.22uH_KVL0805-R22J
Nutune FQD1136FN
P09_C5 & HDMI Input
By Each Size
Scaler Scaler Resolution
19"HD C5_R8J66955BG-RFJZ WSXGA+(1680x1050)
26"HD C5_R8J66956BG-RFJZ WSXGA+(1680x1050)
32"HD C5_R8J66956BG-RFJZ WSXGA+(1680x1050)
42"HD/FHD C5_R8J66957BG-RFJZ FHD(1920x1080)
P10_C5 & AUDIO Input
B 4052 A B AUDIO SELECTION
IN0 L L AV4: COMPONENT
IN1 H L AV2: CVBS2
IN2 L H AV6: PC
IN3 H H AV1: CVBS1/YC
P14_C5 & LVDS Output
3 LGD OPC: Inverter Backlight ADJ by PWM --> 1
BACKLIGHT_ADJO(CN14.26)
DCR_EN(CN14.28)
From MCU to LCM
LGD OPC
From MCU to LCM
R11
ON (by MCU) High(3.3V) #
OFF (by MCU) Low(0V) #
H/W OFF Don't care 0 ohm
P16_Audio Amplifier
4 By Each Size
D-AMP Power
Output
R319,R320
Watt
L1(24V) L38(12V)
R321,R322
19"HD 3W # B201212K800TM 5.6K
A
26"HD 7W B201212K800TM # 6.8K
32"HD 10W B201212K800TM # 6.8K
42"HD/FHD 10W B201212K800TM # 6.8K
5
4
Io(max) Pd(max) Io(mean) Io(max) Pd(mean) Pd(max) Temp(20m)
0.81 2.5W 0.32 0.32 0.98W 0.9856W 72
0.65 2.5W 0.3 0.304 1.17W 1.1734'W 72
2 1.5W 0.71 1.017 0.30W 0.6W 36
0.67 2W 0.65 0.78 1.94W 2.3384W 78
1.67 2.5W 0.02 0.018 0.02W 0.0269W 52
0.99 2.5W 0.07 0.069 0.17W 0.1741W 44
Panel power sequence
R21 R60 R118 R120 R122 R124 C62 C330
# 10K 0 10K 0 18K # # 0.1uF
10K 0 10K 0 56K # # 0.1uF
10K 0 10K 0 56K # # 0.1uF
# 10K 0 10K 0 56K # # 0.1uF
10K 0 10K 0 56K # # 0.1uF
C97 L27 C96,C99 L40
33pF 0.33uH_KSI0603-R33KA 0 ohm #
120pF 0.1uH_KSI0603-R10KA 0 ohm #
Scaler HDMI Port HDMI Port CN9
Port #0 and #2 #2
R162,R164,R166,R168,R172
Port #1, #0 and #2 #0,#2 Port #0 --> CN11
R178,R179,R181,R189
Port #1 --> CN10
Port #1, #0 and #2 #0,#2 Q22,Q24,Q26,Q29
Port #2 --> CN9
RP1,RP2,RP3
Port #1, #0 and #2 #1,#0,#2
LVDS Option Res.
DCR_VBR(CN14.24) R199: Push Hight Res.
LVDS Option
From LCM to INV R303: Push Low Res.
R12 R299 R303
0 ohm 1K # High(3.3V)
0 ohm 1K #
# # 10K or #
C5 Audio out FIL D-AMP Gain
R353 C322,C323 Q49
R367 R368
R354 C327,C328 Q50
# 150pF 0 0 # GAIN1 L
39K 150pF # 0 #
GAIN2 L
# 150pF # 0 #
# 150pF # 0 # AMP-Gain 20dB
4
3
LCD Panel Source
AUO LGD
19"HD M185XW01(V0) +5V
26"HD T260XW02(VQ) +12V
32"HD T315XW02(VS) +12V
37"HD
42"HD LC420WXN-SBA1
42"FHD T420HW02(V4) +12V
42"FHD T420HW04(V4) +12V
R106,R109 R112 R226 L42,L23,C136,C84,C126,C80,C83,C81
0 ohm # # #
0 ohm 22K 22K L42,L23,C136,C84,C126,C80,C83,C81
CN10 CN11
R163,R167,R169,R170,R173 R192,R193,R194,R195,R198
R182,R183,R185,R191 R201,R202,R204,R207
Q22,Q25,Q27,Q28 Q30,Q31,Q33,Q34
RP4,RP6,RP9 RP5,RP7,RP8
(CN14.23) (CN14.25)
From MCU to LCM From RES to LCM
R301 R305 R300 R304
10K # 10K #
Low(0V) # 4.7K # 10K
Don't care # # # #
H L H
L H H
26dB 32dB 36dB
3
2
+12V
2
1
D
C
B
A
PCB Name-Rev : VTV-L4213
COMPAL ELECTRONICS, INC." COMPAL ELECTRONICS, INC." COMPAL ELECTRONICS, INC."
Title Title Title
Schematic, CTRL/B VTV-L4213, SA42T Schematic, CTRL/B VTV-L4213, SA42T Schematic, CTRL/B VTV-L4213, SA42T
Size Size Size Document Number Document Number Document Number Rev Rev Rev
A2 A2 A2 401C12 401C12 401C12 1A 1A 1A
Date: Date: Date: Monday, May 18, 2009 Monday, May 18, 2009 Monday, May 18, 2009 Sheet Sheet Sheet 2 2 2 of of of 16 16 16
1