Table of Contents
Advertisement
TH-42PH12EK / TH-42PH12ES
13.20. DN-Board (4 of 7) Schematic Diagram
21
22
!
DN-BOARD TZTNP021UAE(4/7)
R4667
47
SW_3.3V
C4672
L4523
16V
J0JHC0000096
0.1u
C4671
6.3V
10u
C4678
16V
0.1u
C4675
16V
0.1u
R4668
47
BUS CONTROL
DN4
STB3.3V
IIC_CONT
GND
SCL1
SDA1
SCL2
SDA2
SCL3
SDA3
10
TXD
11
RXD
12
IIC_INT/BOOT
13
GND
14
STB5V
23
24
25
28
29
更多难得资料请到江南家电维修论坛免费下载！
http://bbs.520101.com
IC4501
C1AB00002902
SCW3
C4673
16V
0.1u
IC4514
C1ZBZ0003600
CLOCK GEN
C4679
50V
15p
X4502
H0J200500076
C4680
50V
18p
R4670
1k
C4676
C4677
16V
16V
0.1u
0.1u
STB3.3V
STB3.3V
R4836
1
IIC_CONT
2.2k
IIC_CONT
TP4017
2
R4837
100
TPI2L
3
C4821
50V
3V_SCL1
100p
4
TP4018
R4838
100
TP4019
3V_SDA1
5
R4839
100
D4721
6
P3V_SCL2
TP4020
R4840
100
MAZ30360HL
7
TP4021
P3V_SDA2
R4841
100
8
3V_SCL3
TP4022
R4842
100
9
TP4023
3V_SDA3
R4843
100
TXD_PC
TP4024
R4844
100
TP4025
R4845
RXD_PC
100
TP4026
R4846
IIC_INT
100
STB5V
30
31
STB5V
STB3.3V
SCW3 ARM I/O
IC4501
A2
GIO[46]
SOS_INH
R4707
F15V_MON
100
C4702
0.1u
16V
IC4501
E14
ADIN[0]
3V_SOS
IC4501
D14
ADIN[1]
AC_SENSE
KEY_INPUT
R4710
1k
IC4501
F14
ADIN[2]
FAN_SOS/INV_SOS
FAN_SOS
DN_SOS
IC4501
A15
ADIN[3]
5V_SOS
C4705
0.1u
5V_SOS
IC4501
C14
ADIN[4]
F15V_MON
15V_SOS
16V
IC4501
E15
ADIN[5]
15V_SOS
R4702
EXB38V101JV
IC4501
D13
ADIN[6]
DS_SOS
KEY_INPUT
IC4501
A14
ADIN[7]
DS_SOS
R4709
AJ_DAC0
100
IC4501
C17
DAOUT[0]
AJ_DAC0
R4712
100
AJ_DAC1
IC4501
A17
DAOUT[1]
AJ_DAC1
R4713
100
IC4501
C16
DAOUT[2]
SENSE_OUT
IC4501
B16
DAOUT[3]
ADIM
STB3.3V
IC4501
B17
VRH
VRH
L4701
J0JHC0000096
IC4501
B18
VRL
VRL
STB3.3V
C4709
16V
R4752
10k
LED_R
0.1u
IC4501
C1
GIO[6]
LED_Red
R4753
10k
LED_G
IC4501
E3
GIO[7]
LED_Green
R4754
2.2k
STB_ON
IC4501
G5
GIO8]
STAB_ON
R4755
3.3k
NRST
R4756
IC4501
D2
GIO[9]
LSI_RESET
100
15V_ON/OFF
IC4501
F4
GIO[10]
15V_ON/OFF
LAN14V_ON/OFF
IC4501
D1
GIO[11]
F15V_ON/OFF
IC4501
F3
GIO[14]
INV_OM
IC4501
J6
GIO[15]
FLD_OUT
R4759
47k
ALL_OFF1
R4760
ALL_OFF
IC4501
K1
GIO[29]
R4761 10k
1k
IIC_INT
IIC_INT
IC4501
K4
GIO[30]
IIC_CONT
R4762
IC4501
L5
GIO[31]
IIC_CONT
100
EEPROM_WP
IC4501
M6
GIO[32]
EEPROM_WP
R4763
10k
TV_ON/OFF
R4764
IC4501
L3
GIO[33]
TV_ON/OFF
100
R4765 10k
DRVMUTE
R4766
DRIVER_MUTE
IC4501
L2
GIO[34]
100
D4703
SOUND_MUTE
R4767
IC4501
L1
GIO[35]
AUDIO_MUTE
10k
MA2J72800L
UART_SW
R4768
C4741
IC4501
N4
GIO[36]
UART_SW
50V
100
R4769
10k
1000p
IC4501
M2
GIO[37]
P_ON/OFF2
P_ON/OFF
R4772
IC4501
M3
GIO[38]
P_ON/OFF
100
R4773
DPMS_SW
IC4501
M4
GIO[39]
DPMS_SW
100
READY
R4775
R4776
100k
IC4501
E7
GIO[41]
READY
1k
ALARM
R4777
R4778
ALARM
IC4501
B4
GIO[42]
1k
KEY_DET
R4783
100k
R4781
KEY_DET
IC4501
C4
GIO[45]
100
AC_GOOD
R4786
10k
R4785
AC_GOOD
IC4501
G6
GIO[47]
100
SL1_DET
10k
IC4501
B5
GIO[40]
SL1_DET
R4774
SL2_DET
10k
IC4501
D5
GIO[43]
SL2_DET
R4779
10k
SL3_DET
IC4501
E6
GIO[44]
SL3_DET
R4780
10k
REM_IN
R4721
IC4501
D12
IRRMIN
RMIN
100
RXD_PC
R4722
IC4501
Y6
SI0
RXD_PC
100
TXD_PC_M
R4724
IC4501
AD2
SO0
TXD_PC
100
3VRXD_TU
IC4501
AF1
SI1
RXD_Tuner
3VTXD_TU
IC4501
AF2
SO1
TXD_Tuner
R4726 100k
IC4501
AC3
SI2
IC4501
AB4
SO2
R4728 10k
IC4501
W6
SI3
DEBUG_in
R4730 10k
IC4501
AE2
SO3
DEBUG_out
DPMS_HD
R4732
3V_SCL1
STB5V
IC4501
E12
INT[0]
DPMS_HD
100
DPMS_VD
R4734
3V_SDA1
IC4501
A11
INT[1]
DPMS_VD
100
R4735
6.8k
P3V_SCL2
IC4501
C11
INT[2]
R4737 10k
R4738
RTC_INT
P3V_SDA2
IC4501
E11
INT[3]
RTC_INT
100
C4721
50V
3V_SCL3
IIC_SW_DAC3
1000p
IC4501
H6
GIO[12]
IIC_SW_DAC3
3V_SDA3
IIC_SW_DAC4
IC4501
E2
GIO[13]
IIC_SW_DAC4
3V_SCL4
IC4501
E4
GIO[2]
KILL_SOS
3V_SDA4
IC4501
C3
GIO[5]
RUSH_ON/OFF
IC4501
B1
GIO[4]
P2_SW
32
33
64
SCW3-EEPROM
TPEPW
TP4031
R4898
10k
EEPROM_WP
R4899
10k
IC4703
STB3.3V
Q4711
R4896
TVRQ575
6.8k
B1ABCF000231
1
8
E0
VCC
C4893
2
E1
7
C4894
WC
16V
16V
0.1u
4.7u
3
E2
6
3V_SCL1
SCL
4
VSS
5
3V_SDA1
SDA
42HD :TVRQ575
50HD :TVRQ576
SCW3 ARM_TEST
SCW_3.3V
R4798
IC4501
T6
JTAGICEEN
10k
R4797
EXB38V103JV
IC4501
P2
TEST[3]
IC4501
R6
TEST[1]
IC4501
N5
TEST[0]
IC4501
N6
TEST[2]
R4796
0
IC4501
A5
TESTH
R4793
IC4501
N3
IFMD[1]
10k
R4791
IC4501
P3
IFMD[0]
10k
SW_3.3V
STB3.3V
SCW3 ARM IIC
R4801
47
IC4501
Y3
SCL0
SCL1
R4802
47
IC4501
Y2
SDA0
SDA1
R4803
22
IC4501
W3
SCL1
SCL2
R4804
22
IC4501
AA1
SDA1
SDA2
R4805
22
IC4501
W4
SCL2
SCL3
R4806
22
IC4501
Y4
SDA2
SDA3
R4807
22
IC4501
W1
SCL3
SCL4
R4808
22
IC4501
Y5
SDA3
SDA4
34
35
36
31
32
33
34
35
Advertisement
Table of Contents
