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1
IC2301
AUDIO AMP
SQ_R+
H12
39
6
SQ_R-
1 2 3 4
SOUND15V
R+ RL+ L-
AMP
8 36 31
SPEAKER R
SQ_L+
16
SQ_L-
AMP
18 5 SOS 28
SPEAKER L
2
OPERATE
+15V
7 RESET
SOUND12V
RESET AMUTE
+12V
17 RESET
To SOS MAIN9V
IC2011
AMP
8
AUDIOOUT_R DTV9V
SOUND_SOS
Q2301
SOUND15V D2301
IC2303
SOUND12V
3 AVR 1
SOUND12V
Q2021
L 1
2 3
73
AUXOUTR1
3
AUDIOOUT_L
Q2015
R 7
6 5
72 AUXOUTL1
SQ_R-
PWM2B 45
SQ_R+ D2303 D2304
OPERATE SOS
PWM2A 44
PX70B/E ONLY
AV_L
SQ_L-
PWM1B 43 78 AINL1
SQ_L+
IC2006
AUD3.3V
AV_R
PWM1A 42
79 AINR1
IC2002
AUDIO DAC
MCLK 1 4
BUFFER
VCC
IC2008
AUD3.3V
5 1
X2010
AUD3.3V
1 AVR 7
SUB5V
33
XIN AUD3.3V
H6 DG6
MAIN_Y_OUT
2
34
XOUT
3
MAIN_Y/CVBS/G MAIN_PB/C/B MAIN_PR/R RGB_CVBS RGB_FB PC_H PC_V
IC2010
AVR+3.3V
SIF3.3V 5 AVR 1
SUB5V
5
MAIN_PB_OUT
5
MAIN_PR_OUT
BICK 4
SUB5V
2
35 BCLK1
IC2610
Q2639
BT+30V
BT30V DTV9V
7
RGB_CVBS
10
FB
SDTI SUB5V LRCK
DTV_SL
3
37
SDO0
12
PC_H
4
DAC_PD
36 LRCLK1
3
TUNER_SUB_ON
14
PC_V
DC-DC
16
11 AOUTL
DTV_SR
RSTN
5
AUDIO_MUTE
10 AOUTR
SMUTE 6
HIGH:MUTE VIH > 2.2V VIL < 0.8V DVDD1.8V
IC2107
DVDD1.8VV
1 AVR 7
STB+5V SUB3.3V
26
DVB_CVBS SCL0B_3.3V SDA0B_3.3V AUDIO_XRST AUDIO_MUTE
PX70B/E ONLY
IC2106
SOUND PROCESSOR
TV_L
SCL0B
DVDD1.8V
28
Q2636
Q2637
SDA0B D2637 AUDIO_XRST
30 32
AUDIO_MUTE
5
TV_SUB_ON_DELAY BT30V D2632
33
TV_SUB_ON_DELAY SUB3.3V SP_MUTE
75 AUXOUTL2
TV_R
Q2635
TV_SUB_ON_DELAY D2633
BT30V SHORT DET
34 35
SOS
TV_SUB_ON_DELAY SP_MUTE SOS SOUND_SOS AFC1 QLINK_AV2 QLINK_AV3 TUNER_MAIN_ON TUNER_SUB_ON FAN_CONT FAN_SOS
74 AUXOUTR2
SUB_3.3V SHORT DET
38
D2635 D2636 SOUND_SOS
TU3200
TUNER(ANALOG)
BB 5 +B AUDIO_OUT SIF_OUT 9 10 11
SCL0B_5V SUB5V
5V<->3.3V
SCL0B_5V
39
SCL0B AFC1 SUB_3.3V OVER VOLTAGE QLINK_AV2
Q2640
5V<->3.3V
41 44
QLINK_AV3
Q2638
SDA0B
SDA0B_5V
Q2641
46
TUNER_MAIN_ON
76 AINL2
SOS
48
TUNER_SUB_ON
77 AINR2
49
FAN_CONT
Q2017
SDA0B_5V
Q2016
8 SIF_IN1 MON_MUTE A_MUTE
STB+5V DTV9V
51
FAN_SOS
SDA 14 RF_AGC 15 VB 16 BTL 18
AFC1 BT30V
SDA0B
DTV_LRCK
16 SDA
SCL0B
LRCLK2 18
DTV_BCLK
HDMI_INT2
SCL 13
PX70B/E ONLY
AUDIO_MUTE
SP_MUTE
52
PANEL_STBY_ON
55
24V_DET
PANEL_STBY_ON AC_GOOD DTV_BCLK DTV_SDIN DTV_LRCK DTV2_SDIN HDMI_BCLK HDMI_SDIN HDMI_LRCK SPDIF_IN HDMI_INT2 ECO_ON ALL_OFF VIDEO_STATUS
17 SCL
AUDIO_XRST
BCLK2 19
DTV_SDIN
STB+5V
DTV2_SDIN
DTV+9V AUDIO MUTE
56
DTV_BCLK
50
>> RESETB
SDIN2 24 SDIN1 23
AUDIO MUTE MONITOR MUTE
58
DTV_SDIN
AFT_OUT 20 VIDEO_OUT 21
MUTE(ES2-)
HDMI_SDIN
Q3200
MAIN_RF_CVBS SOUND_SOS
Q2101
15 MUTE
SDIN1 22
HDMI_LRCK
SPEAKER MUTE HDMI INT
60
DTV_LRCK
PX70B/E ONLY
62
DTV2_SDIN
LRCLK0 26
HDMI_BCLK
64
HDMI_BCLK
BCLK0 27
SPDIF_IN
Q2631,Q2033-Q2035
HDMI_SDIN
66 68
HDMI_LRCK
SPDIF_IN
39
Q2102
AUDIO_MUTE
Q2039-Q2040 MUTE SW
SPDIF_IN HDMI_INT2
SPDIF_OUT 38
70 72 74
ECO_ON
76
ALL_OFF
77
VIDEO_STATUS
79 5
6
ECO_ON
TUNER_SUB_ON
FAN_CONT
FAN_SOS
8
DVB_CVBS
TUNER_MAIN_ON
ALL_OFF
24V_DET
SOS
7
MAIN9V SUB9V_H264 SOUND15V MAIN9V SUB5V DTV9V LCD3.3V STB+5V LCD3.3V DTV9V SUB5V SUB3.3V STB+5V
H15
1
AGC1
H3 PA3
1
MAIN9V
2
SUB5V
3
SUB5V
5
FAN_SOS
6
DTV9V
7
DTV9V
9
FAN_CONT
18 21 22 23
AC_GOOD +15V_S +15V_S +15V_S
H4 PA4
1
SUB9V_H264
2
SUB9V_H264
7
FHD9V
8
FHD9V
11 16 17 18 21 23
ECO_ON TUNER_SUB_ON TUNER_MAIN_ON ALL_OFF STB5V SOS
H2 DG2
1
FHD9V
2
FHD9V
8
DTV9V
9
DTV9V
12 13 14 17 18 21 23
SUB3.3V SUB3.3V SUB5V SUB5V SUB5V MAIN9V STB5V
TH-37/42PV70F/P, TH-37/42PX70B/E H-Board (2 of 2) Block Diagram
TH-37/42PV70F/P, TH-37/42PX70B/E H-Board (2 of 2) Block Diagram