Read Panasonic TH-42LF25W / TH-47LF25W Service Manual online
TH-42LF25W / TH-47LF25W
27
9
Block Diagram
9.1.
Block (1 of 2) Diagram
5VSTB
12VA
ON/OFF
24VP
IC1601
1
LUVP
2
3
CS/FB
4
GND
5
OUT
6
VCC
7
8
VSTR
D651
D652
D650
IC633
1
CSS
2
DELA
Y
3
CF
4
RFMIN
5
STBY
6
ISEN
7
LINE
8
DIS
9
PFC_ST
OP
10
GND
11
LV
G
12
VCC
13
N.C.
14
OUT
15
HVG
16
VBOOT
T6011
COLD
HOT
42 :T602
47 :T600
47 :T600
7
1
12
8
3
6
11
2
4
IC602
L605
12
1
5
6
7
8
10
11
9
24VP
24VP
I_PWN
KIV1
1
1
2
3
4
5
6
7
8
9
10
11
12
12
SEL
SEL
K6C
1
1
2
3
4
5
6
7
8
9
10
11
11
KIV2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
14
BLON
BLON
I_PWN
12VA
E_PWN
E_PWN
MAIN-ON/OFF
MAIN-ON/OFF
F_5V
F_5V
F_5V
12VA
12VH
5VSTB
24VP
24VH
24VP
12VA
24VP
24VH
24VP
12VH
SWICH1
T652
2
1
5
4
7
8
9
10
3
42 :PC603
47 :D6809
47 :D6809
SWICH
IC603
IC605
1
S/OCP
2
BR
3
GND
4
FB/OLP
5
VCC
7
D/ST
8
D/ST
Q604
D603
1
2
3
4
K601
1
4
RL601
SWICH1
SWICH
K6B
1
1
2
3
4
5
6
7
8
9
10
11
12
13
13
K16B
1
1
1
7
7
1
2
3
4
5
6
7
8
9
10
11
12
13
13
PWR-30V
DC416V
520V
400V
400/3A
MAX:AC264V/2.7A
400/3A
MAX:AC264V/2.7A
MAX:AC264V/2.7A
400V
200V
412V
NOISE
FILTER
Q613
Q612
Q612
Q614
Q615
Q6800
Q685
Q684
Q690~692
42 :Q6801
47 :Q600,Q601,Q605,Q606
47 :Q600,Q601,Q605,Q606
Q1606
Q1601
Q602
Q604
1
1
2
3
4
5
6
7
8
9
10
11
11
BLON
L6603
P_FAIL1
P_FAIL1
K16C
P_FAIL1
P_FAIL1
DCR_VBR
BLON
DCR_VBR
12V_PWR
5VSTB
24V
L6604
5VSTB
L6605
12V/24V_EN
Q6620
Q6621
K6A
1
2
3
4
5
6
7
SWICH1
MAIN_EN
SWICH
SWICH2
K16A
1
2
3
4
5
6
7
MCU_5V
12VPAN_EN
12VPAN_EN
PANEL_12V
IC6600
2
3
7
12V
IC7504
1
2
3
4
1.2VSTB
3.3VSTB
IC7501
1
2
3
4
1.2V_AUD
5VSTB
3.3V_I/O
3.3V_AUD
3.3V_LVDS
Q7501
IC7505
1
2
3
4
3.3V_LBADC
3.3V_ADC
3.3V_HDMI
Q7502
1
2
3
4
5
6
7
8
3.3V
5VD_PWR
IC7503
1
2
3
4
1.2V
1.8V_DDR
IC5503
1
2
3
4
5
6
7
8
9
IC7506
1
2
3
4
0.9_DDR_VREF
1.2V_DPRX
1.8V_DDR
1.2V_ADC
3.3V_DDR
1.2V_HDMI
1.2V
1.2V_CORE
3.3V
3.3V_SW
IC6612
1
2
3
4
5
6
7
8
9
PWM1
DCR_VBR
DCR_IN
OPC_EN
OPC_EN
KLVP
PANEL_12V
3.3V_I/O
3.3V_I/O
PEL-TEST
PEL-TEST
LCD PANEL
Q4001
MAIN CHIP
IC7200
(NEXT PAGE)
SWICH1
MAIN_EN
SWICH
SWICH2
MAIN BOARD
POWER BOARD
(42 ONLY)
Q607
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