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9.2.
Block (1/2) Diagram
HOT
COLD
HOT
COLD
(LED:1TIMES)
(LED:4TIMES)
(LED:4TIMES)
+
D2500
Q4704
DTV12V
D5605
Q5613
Q4702
Q5612
STB5V
SUB1.8V
D5604
D5603
Q4703
SUB1.2V
D5629
SUB3.3V
SUB5V
SUB5V
STB3.3V
TCON12V
PA4800
Q5615
Q5616
SUB5V
D5673
D5672
Q5614
D5600
D5674
Q5602
D4832
D4831
D4830
D4833
STB3.3V
STB1.2V
DTV12V
STB5V
SOUND15V
AVDD13.7V
SUB3.3V
DVDD2.5V
AVDD13.7V
STB5V
D2753
Q5495
T7201
D7831
D7830
F7001
D7503
D7204
D7403
D7863
D7860
D7404
D7862
D7855
D7864
D7865
D7861
D7552
Q7702
D7253
Q7032
D7856
Q7754
CF7101
*
*
D7603
RELAY
5
2
SUB_ON
INV_ON
4
3
INV_SOS
INV_PWM
A03
CONTROL
PANEL
PANEL
LCD PANEL
C.A.T.S.
REMOTE IN
R_LED_ON
STB+3.3V
SUB+5V
4
C.A.T.S.
SENSOR
5
C.A.T.S.
1
A10
V10
7
POWER LED(R)
REMOTE
RECEIVER
POWER LED
3
REMOTE IN
1
SN2501
RM2501
V
REMOTE RECEIVER
POWER LED
C.A.T.S. SENSOR
CONTROL PANEL ASSY
4
2
A04
K1
SOUND15V
7
9
12
11
ANALOG-ASIC
STB
+3.3V
MCU_RESET
KEYSCAN3
SUB1.8V
+1.8V
IC5606
+1.2V
MCU_RESET
3.3V
SUB1.2V
SUB5V DET
DTV12V DET
SUB1.2V DET
IC5605
SOS
IC4700
SUB5V
ON/OFF
IC5608
+5V
IC5610
RESET
IC5601
SOS
SUB1.8V DET
TV_SUB_ON
INV_SOS
INV_ON
INV_PWM
LVDS DATA
17
36
A22
IIC
TCON
+2.5V
+13.7V
IC4800
49
52
14
TUNER_6V
STB5V
15
D/A
IIC
TCON
HOT START(DAC_ENB)
-6V GEN.
Q4804,05
Q4803
LEVEL SHIFT
VOFF2-6V
6
7
VCON31V
IC4802
38
48
PANEL_VCC_ON
PANEL_
VCC_ON
Q2760
KEYSCAN1
KEYSCAN3
KEYSCAN1
KEYSCAN3
IIC1
IIC1
LVDS DATA
A
DIGITAL SIGNAL PROCESSOR
1
2
3
4
6
7
8
9
10
11
LVDS DATA
VREF_1-12
5
4
3
7
VOLTAGE
OVER
DROP
ERROR DET
VOLTAGE
VREF_1-12
STB
+1.2V
11
12
DVDD2.5V
AG_SOS
VDD25_EN
Q2761
PANEL_VCC_ON
INV LED
PANEL_
LED_ON
5
AVDD13.7V
INV
PHOTO COUPLER
T7401
NEUTRAL
CLK2
T5AL AC250V
LF7002
H/V DRV1
LF7003
OUT1
2
CLK1
IC7601
7
STB5V
LINE
FILTER
4
D7407
P
PFC
IC7801
RL7102
2
1
OUT2
TUNER_6V
H/V DRV2
POWER SUPPLY
2
TUNER_6V
CONTROL
T7301
RL7101
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
LF7001
Q7301
T7803
DRV2
VCC
Q7803,04
T7801
H/V GEN
VCC
12
14
RECTIFIER
POWER
CONTROL
RESONANCE
Q7251,52
IC7501
OVP
PHOTO COUPLER
RL7103
PC7401
13
1
AC CORD
LIVE
BURST
ENA
ALARM
12V
ERROR DET
5
VCC
OVP
PRO_L
PRO_H
11
IC7401
IC7301
Q7801,02
P5
H/V GEN
ON/OFF
RELAY
ON/OFF
12V
VCC
FB
Q7701
CT
DRV1
Q4770
INVERTER
CIRCUIT
BACK LIGHT
DTV12V
DTV12V
DTV12V
PANEL POWER SOS
PANEL POWER SOS
HOT
COLD
HOT
COLD
(LED:1TIMES)
(LED:4TIMES)
(LED:4TIMES)
(LED:3TIMES)
(LED:3TIMES)
(LED:2TIMES)
(LED:2TIMES)
(LED:11TIMES)
(LED:11TIMES)
(LED:5TIMES)
(LED:5TIMES)
Summary of Contents for TCL37X2 - 37 LCD TV
Page 22: ...22 7 16 EMI processing ...
Page 23: ...23 ...
Page 24: ...24 ...
Page 25: ...25 ...
Page 30: ...30 ...
Page 32: ...32 ...
Page 33: ...33 11 Schematic Diagram 11 1 Schematic Diagram Notes ...
Page 54: ...54 ...
Page 56: ...56 13 1 2 Accessories ...
Page 57: ...57 13 1 3 Mechanical Replacement Parts List ...
Page 59: ...59 13 2 Electrical Replacement Parts List 13 2 1 Replacement Parts List Notes ...