Panasonic TH-42PY800H Service Manual page 31

9.3. Block Diagram (3/6)
TU8301
Tuner
IIC_TUNER
IEC-OUT
D3015
OPTICAL
AUDIO
S_15V
OUT
IC5401
SUB+9V
P7
A7
+9V
+15V_S 1
+15V_S 2
IC5400 SUB+5V
+15V_S
3
F+15V 7
+5V
F15V
F+15V 8
F+15V 9
PB FAN CONTROL
SOS DET
OVER
FAN STOP VOLTAGE (LED:11 TIMES)
D856
PB36 D861
D857
PB37
IC850
TP851 D860 TP850
3 3
1
1 +9/7.2V
FAN
TH-42PY800H/M/MR/MS/MT
Block (3/6) Diagram
JK3100
AV2 AV3 MONITOR
AV1
IC3001
AV SW
MONITOR
AV1
V,Y,PB,PR VOUT
L,R
L,ROUT
AV2
V,Y,PB,PR MAIN
L,R CVBS/S/YUV
/RGB(PC)
AV3
L,R IC2106
V,Y,C
AUDIO PROCESSOR
L,R
AV4
V,Y,C
SIF,AM
L,R
PC L,R
R,G,B
IIC2
SPDIF-OUT
TV
RF
+3.3V
IC2008
IIC2 +3.3V
D5522
SUB+5V
Norm:Low
DTV+9V
Ab:high
SHOTO SOS
D5521
Q5522
BT+30V
(LED:3 TIMES)
BT30V
DTV9V MAIN9V
IC5660
XRST
SUB5V MAIN5V RESET
IC5600
SUB+3.3V SUB3.3V
+3.3V
IC5601
D5612
(+5.6V)
Q5606,07
F+15V DET
Norm:Low
Ab:high
STB5V
P6 A6
STB5V 5
TUNER_SUB_ON
6
ECO_ON 7
+15Vc_FAN
1
+15Vc_FAN 2
IC5404
+3.3V
TP853 PB8 A8
4 FAN SOS 4
6 FAN_MAX 6
5 FHD3.3V 5
IC5405
2 +15V(FAN) 2
1 +15V(FAN) 1
+1.2V
AV4 HEADPHONE
JK3001
CONTROL
PC IN
BUTTON
SPEAKER L,R
10 15 6 4 2 9 3 1 G51
A51 A12
10 15 6 4 2 9 3 1 1 2 3 4
IC2012
IC2301 SPEAKER
OUT
HP AMP AUDIO AMP
IC2013
+5V
MAIN9V
HEADPHONE
SOUND15V
HP L,R
PWM
SP L,R
HDMI Audio
DTV
+1.8V
IC2107
+1.8V
SUB5V SUB3.3V
D2017 D2014
SOS:Low
SOUND SOS
Q5561
Q2022
(LED:12 TIMES)
MAIN3.3V
Q5693
IC2403
SUB1.8V
STB3.3V
STB_RESET
+1.8V
SUB1.2V
STB_RST
+1.2V
STB5V STB3.3V
STB
+3.3V
Q2027
IC1102
BT30V +9V
BUFFER
FHD+3.3V
MIHO+1.2V
31
GH10
GH HDMI3 IN
HDMI IN 3
DDC IIC
IC3802
EEPROM
GH11 A11
D3813 D3814
22 +5V(S)
26 HDMI_CEC
+5V(HDMI)
12 HDMI5V DET
DET_3
DDC IIC
Q3802
20 MAIN+3.3V
TMDS DATA MAIN+3.3V
IC3801 18
CLOCK
TMDS DATA
HDMI EQUALIZER
SUB3.3V
IC1100
GenX5
STANDBY_MPU
+5V(HDMI)
SOUND_SOS (LED:12 TIMES)
DET1,2,3
KEY1
HDMI_CEC
SOS (LED:10 TIMES)
HDMI_CEC_PU_ON
XRST
MAIN3.3V_SENSE
MAIN_ON
SUB3.3V_SENSE
PANEL SOS
STB_RST
(ARARM)
IC1101
IIC3 PANEL STB_ON
IIC3
PANEL STATUS
EEPROM IIC
(READY)
STB+3.3V
SUB5V_SENSE
DTV_9V_SENSE
IC4801
AI_SENSOR
MAIN9V_SENSE
IIC SW
FAN SOS
FAN_MAX
G_LED_ON
TUNER_SUB_ON
R_LED_ON
ECO_ON
FOR FACTORY USE
A33 A34 A35
1
22
26
12
20
18
2
3
4
5
6
8
9
10
D1107
SD BOOT 12
SBI2
13
SBO2
KEY1
REMOCON
STB_LED
14
15
16
17
18
19
20
21
22
TH-42PY800H/M/MR/MS/MT
Block (3/6) Diagram