Haier HLA42K2 Service Manual

PW-ON/OFF-INV
PW-ON/OFF-INV
PWR-ON/OFF
PB-ON/OFF PB-ADJUST
PB-ON/OFF
PB-ADJUST
ON_USB
12VA
VCC-Panel5VA
12VA
5Vstb
5VSTB_MCU
18Vamp
5Vstb
5Vstb
5VA
12VA
5VA
12VA
12VA
5V_USB
ON_PANEL3
BRI_IN
3
PWR-ON/OFF3
ON_PBACK3
ADJ-PWM3
PB-ADJUST 3
ON_USB3
L73&L80 select FB or NC depending on different Panel!
5V DC-DC FOR USB
POWER INPUT
LOW: ON HIGH: STANDBY
Note: C8,C9 close to CNA1 for EMI
5V DC-DC FOR 5VA
C334 close to CNF1
TO INVERTER
52
ᇌᓔᴎሣ䮾
DSMB power
㾷އ䰡Ԣ҂ᑺ䕧ܹ
PWM
ֵোᯊˈ
PB-ADJUST
䕧ߎЎϝ㾦⊶DŽ
R15 5.1K
ᬍЎ
3.3K R16 1K
ᬍЎ
5.1K
1 2 3 4 5
CNB3
CON5_2.5mm
CNB3
CON5_2.5mm
C12 0.1u C12 0.1u
R17 4.7KR17 4.7K
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
U1 MP1482 U1 MP1482
C255 2.2u C255 2.2u
1 2 3 4 5 6 7
CNA1 CON7_2.5mm CNA1 CON7_2.5mm
R36 2.7K R36 2.7K
1
2 3
Q7 3904 Q7 3904
R7 12K R7 12K
C69 0.1u C69 0.1u
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
U3 MP1482 U3 MP1482
C7 10nF C7 10nF
R119 100KR119 100K
C70 10nF C70 10nF
R44 10K R44 10K
R72 10KR72 10K
12
3
54
L5
15uH
L5
15uH
Q26 3904 Q26 3904
D5 NC/1N5822 D5 NC/1N5822
C8 0.1u C8 0.1u
Q11 3904 Q11 3904
C103 0.1uC103 0.1u
R76 4.7KR76 4.7K
+
CA12 470uF/16V
+
CA12 470uF/16V
+
CA4 470uF/16V
+
CA4 470uF/16V
C10 0.1u C10 0.1u
C43 10nF C43 10nF
R19 10K R19 10K
R5 12K R5 12K
R21
100R
R21
100R
C130 0.1u C130 0.1u
R20 10K R20 10K
C39 0.1uF C39 0.1uF
R29 NC/0RR29 NC/0R
C13 1u C13 1u
R27 10KR27 10K
+
CA7
100uF/16V
+
CA7
100uF/16V
R14 2.7K R14 2.7K
C334
10u/10V
C334
10u/10V
R15 3.3K R15 3.3K
C19 0.1uF C19 0.1uF
C45 4.7u/16VC45 4.7u/16V
R24 10KR24 10K
L80 NC/FB600/500mA L80 NC/FB600/500mA
C5 10nF C5 10nF
R320 10KR320 10K
R40 2.2K R40 2.2K
R31 0RR31 0R
1 2 3 4
CNF1
CON4_2.0mm
CNF1
CON4_2.0mm
+
CA10
470uF/35V
+
CA10
470uF/35V
C134 0.1u C134 0.1u
R319 2.2KR319 2.2K
R73 100K R73 100K
12
3
54
L7
15uH
L7
15uH
1
2 3
Q29 3904 Q29 3904
R384 100KR384 100K
C64 0.1uF C64 0.1uF
Q9 3904 Q9 3904
C67 0.1uF C67 0.1uF
R22 10K R22 10K
1 2 3 4
CNA2
CON4_2.5mm
CNA2
CON4_2.5mm
C54 4.7u/16VC54 4.7u/16V
D3 NC/1N5822 D3 NC/1N5822
L73 FB600/500mA L73 FB600/500mA
C9 0.1u C9 0.1u
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U5 9435 U5 9435
CA94 220uF/16V CA94 220uF/16V
C15 0.1uF C15 0.1uF
+
CA9
470uF/16V
+
CA9
470uF/16V
R18 2.2K R18 2.2K
1
2 3
Q6
3904
Q6
3904
R16 5.1KR16 5.1K
R327 100RR327 100R
C104 0.1uC104 0.1u
7-2. Circuit Diagram
Service Manual
Model No.:
41

Haier HLA42K2 Specifications

General

Brand	Haier
Model	HLA42K2
Category	LCD TV
Language	English