Haier 42EP25BAT - ANNEXE 685, Сервисная инструкция

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2
1
2
1
2
1 F2
2
1
TJC3_2A
HAIER ATSC EX62 V2.0
Title
HDA008A_2.0
Size
B
Document Number
Power Supply - 3
Rev
A
Date: Tuesday, February 28, 2006 Sheet 24 of 24
-
5V_1
R2259
0 1206
5V_2
FB13
CON52
TJC3_2A
5V_2
5V_2 5V
CON39
1
2
4
5
6
7
TJC3_7A(7pin/2.5mm)
12VSC
(3A)
5V_STB
R988
4.7K
Q66
R986
4.7K
12VSC
150_Ohm_2A
FB51
150_Ohm_2A
C509 +
470uF
C510
0.1uF
12V
C511
0.01uF
5V_STB
FB49
150_Ohm_2A C503
+
220uF
C504
0.1uF
5V_SB
C505
0.01uF
CON9
FUSE/4A
5V_STB
MMBT3904
1
R987
4.7K
POWER_ON# 11,20
power notes:
1. 5VSC, 9VSC, 12VSC power supply from LG panel
2. ATX power con is for convenience of test
3. 5VSB power supply to CPU, IR, keypad
5V_1 power supply to HiDTV-LX, Tuner
5V_2 power supply to SVPEX-62, SAA7117(A)E
4. external RTC will be used to wake up whole system when POD
5. U7, 7809 is an option in case no 9V power input
C601 C602
+12V Input
12V
10uF/16V NI
SMD_1812
1000uF/25V
CE$10E5
R301
1.5K
smd_0603
R303
3K
R302
10
smd_08105
U58
VCC
14
GND
C606
0.1uF/25V
R2261
4.7K
R2262
6.2K_DNS
smd_0603 C605
0.1uF/25V
2
PWRGD
13
SS/SHUT
2SC2412K 1
Q67
R2260
D11
1N4148
SMD_D
3
OVP
4
OCSET
5
PHASE
D1
SC2602
SO14
12
VREF
11
SENSE
10
BSTH
R305 R C608
CAP NP
10
POWER_SW 20
Sensitive
U1 CEM4416
R307
127
smd_0603
R308
C609
CAP NP
MBR0520
MBR0520
6
DRVH
9
BSTL
C610
1.0uF/35V
4
3
G
2
S2
1
S1
5
D
6
D1
7
D2
8 C611
475
smd_0603
smd_0603
R10
R309
Near to 1102
7 8 smd_0805
PGND DRVL
S D3
1.0uF/35V
smd_0805
L12
10uH
R
smd_0603
0
smd_1210
5V_1
+5V Output
smd_0603
R61 2.2
smd_0805
R48 2.2
smd_0805
U13
4
G
3
2
S2
1
S1
S
5
D
6
D1
7
D2
8
D3
1/2
L-12.5X12.5
C613
10uF/10V NI
SMD_1812
C614
1000uF/16V
CE$10E5
R45
0
smd_1210
Trace Width >=15mil
Trace Width >=15mil
Layout :
MOSFET
and T1
in the
same
side
CEM4416 Iout
R46
0
smd_1210