Panasonic la03 tc-l37u22 Service Manual
28
9.2.
Block (1/2) Diagram
COLD
HOT
COLD
HOT
(LED:1TIMES)
(LED:3TIMES)
(LED:3TIMES)
+
Q5495
PA4800
D2500
D5672
Q4703
AVDD13.7V
D4830
DTV12V
Q5616
D5600
STB3.3V
D4832
D5605
SUB3.3V
SUB3.3V
SUB1.2V
DVDD2.5V
Q4704
Q5614
DTV12V
AVDD13.7V
TCON12V
D5629
Q4702
STB5V
D4833
STB5V
Q5612
D5674
D5604
SUB5V
STB3.3V
Q5613
D5673
D2753
STB1.2V
SUB5V
D5603
Q5615
D4831
STB5V
Q5602
SUB1.8V
SUB5V
SOUND15V
D7860
F7001
D7862
D7830
CF7101
*
*
Q7702
D7864
D7204
D7503
D7865
D7403
D7856
D7831
D7861
D7253
D7863
T7201
D7603
Q7032
D7552
Q7754
D7855
D7404
Q4803
3
Q4770
6
IC5601
VREF_1-12
LEVEL SHIFT
D/A
7
SOS
STB
+1.2V
8
PANEL POWER SOS
4
IC4800
2
+1.8V
A22
IC5606
14
VOFF2-6V
VCON31V
TV_SUB_ON
SUB_ON
INV_SOS
IC4802
A10
IIC
TCON
A
V10
+2.5V
DIGITAL SIGNAL PROCESSOR
+1.2V
STB
+3.3V
MCU_RESET
MCU_RESET
LVDS DATA
SUB1.8V DET
INV_PWM
DTV12V
VOLTAGE
OVER
VREF_1-12
9
INV_ON
INV_PWM
PANEL_VCC_ON
SUB1.2V DET
+13.7V
IC5605
5
LVDS DATA
3
KEYSCAN1
4
KEYSCAN3
5
VDD25_EN
Q2761
1
1
A04
A03
K1
CONTROL
11
SOS
IC4700
REMOTE RECEIVER
BACK LIGHT
POWER LED
PANEL
PANEL_VCC_ON
7
PANEL
POWER LED(R)
LCD PANEL
C.A.T.S.
REMOTE
RECEIVER
IIC
TCON
REMOTE IN
POWER LED
HOT START(DAC_ENB)
-6V GEN.
R_LED_ON
3.3V
Q4804,05
2
STB+3.3V
SUB1.2V
4
5
C.A.T.S. SENSOR
3
CONTROL PANEL ASSY
REMOTE IN
9
12
INV_SOS
SUB+5V
4
DVDD2.5V
INV_ON
AG_SOS
DTV12V
SUB5V
SOUND15V
ON/OFF
ANALOG-ASIC
7
INV
1
SN2501
IIC1
INV LED
DROP
IIC1
ERROR DET
VOLTAGE
RM2501
TUNER_6V
V
STB5V
C.A.T.S.
SENSOR
LVDS DATA
5
15
PANEL_
VCC_ON
RELAY
Q2760
4
C.A.T.S.
2
3
7
KEYSCAN1
IC5608
IC5610
KEYSCAN3
KEYSCAN3
AVDD13.7V
+5V
RESET
SUB1.8V
SUB5V DET
F15V DET
PANEL_
LED_ON
4
IC7201
1
STB
ERROR DET
PC7701
9
D7030
RECTIFIER
P1
1
INVERTER
POWER
CONTROL
IC7851
PHOTO COUPLER
P2
CONTROL
17V
STB
P6
PC7301
INV
VOLTAGE
SUPPLY/FET
DRIVER
LF7003
DTV12V
OUT1
LF7001
2
Q7301
CLK1
T7803
IC7601
Q7803,04
DRV2
T7401
7
T7801
VCC
NEUTRAL
STB5V
H/V GEN
CLK2
VCC
T5AL AC250V
12
LF7002
LINE
FILTER
14
H/V DRV1
4
RECTIFIER
D7407
POWER
CONTROL
P
RESONANCE
PFC
Q7251,52
IC7801
IC7501
RL7102
OVP
2
PHOTO COUPLER
PHOTO COUPLER
RL7103
PC7401
13
1
AC CORD
LIVE
BURST
ENA
ALARM
12V
ERROR DET
5
VCC
1
OVP
OUT2
PRO_L
TUNER_6V
PRO_H
H/V DRV2
11
POWER SUPPLY
IC7401
2
IC7301
Q7801,02
TUNER_6V
P5
CONTROL
H/V GEN
T7301
ON/OFF
RL7101
RELAY
ON/OFF
12V
VCC
FB
Q7701
CT
DRV1
INVERTER
CIRCUIT
PANEL POWER SOS
58
5
7
61
71
72
76
18
11
13
6
COLD
HOT
COLD
HOT
(LED:1TIMES)
(LED:3TIMES)
(LED:3TIMES)