Panasonic TH-42PZ800U Service Manual page 33

9.3. Block Diagram (3/6)
G51 A51
V2_Y
V2_Y
5
5
V2_C
3 V2_C
3
JK3701 V2_V
7 V2_V
7
VIDEO2
V2_L
11 V2_L
11
V2_R
9 V2_R
9
KEY SWITCH 1 KEYSCAN1 1
G FRONT TERMINAL
KEY SWITCH
V1_Y
V1_C
V1_V V1
VIDEO1
V1_L
V2
V1_R
D1_Y
D1_PB
D1_PR
COMP1
D1_L
D1
JK3000
D1_R
D2
D2_Y
D2_PB
D2_PR
COMP2
D2_L
D2_R
PC_L
PC
PC_R
AUDIO
PC_R
PC_G
JK3001
PC_B
PC
PC_H
PC_V
MON_V
JK3000
MON_L
MONITOR
MON_R
OUT
SPDIF-OUT
D3005
OPTICAL
AUDIO
OUT
TU8300 TUNER
TV_V
VIDEO
TV_L
ANT IN
AUDIO TV_R
AFT
AFT
+30V(BT)
+30V(BT)
+5V(S)
+5V(S)
IFD_OUT1
IFD_OUT2
IF_AGC
IIC_TU
TH-42PZ800U
Block (3/6) Diagram
A DIGITAL SIGNAL PROCESSOR
V2_Y
V2_C
V2_V
V2_L
V2_R
IC3001
VIDEO SW AUDIO SW
TV TV MAIN
TV TV
OUT
V L/R AV_L/R
MAIN L/R
VIDEO1 V1 VIDEO1
Y/PB/PR
Y/C/V L/R RGB_CVBS
V2 Y/PB/PR
VIDEO2 VIDEO2
Y/C/V L/R
PC_HS/VS
VIDEO3 VIDEO3 OUT
HS/VS
L/R
HS/VS
VIDEO4
VIDEO4
SUB
L/R
OUT
COMP1
D1 COMP1
SUB MONO
Y/PB/PR
L/R L+R
COMP2
D2 COMP2
Y/PB/PR MONITOR
L/R
OUT
MON
PC PC PC PC
L/R
R/G/B/H/V L/R
MON
DTV_V DTV_L/R V
DTV1 DTV1
Y/C L/R
DTV2
Y/C
+9V +5V
IIC2
+5V(S)
+9V(S)
+3.3V(S)
IC8300
FRONT END PROCESSOR
(TERRESTRIAL RECEIVER)
+3.3V(S)
IIC2
+1.2V(S)
IIC_TU
DIGITAL
DEMODULATOR
IF_AGC
CH0DATA
+3.3V(S)
+3.3V(S)
+1.8V(S)
+1.2V(S)
RESET
AUDIO
PROCESS
TRANSPORT
DECODER R/G/B_30bit
(TS)
DTV_V
VIDEO
PROCESS
R/G/B_24bit
OSD_6bit
OSD
CONTROL PROCESS
IC8002,03
DDR I/F DDR2 #0/#1
IC8004
CLOCK CLOCK GEN
IIC0
SD CARD SD DATA
IIC1 I/F
IIC2
SBI2 CPU BUS I/F
SBO2
IIC_IF EEPROM
IC8001 Peaks Lite2p IIC3 IC8503
IC2106 SOUND PROCESSOR
AV L/R
A/D
CONV.
D/A
CONV.
DTV_R
D/A
SOUND
DTV_L
CONV. PROCESSOR
SPDIF-OUT
OPTICAL
OUT
SPDIF-IN
DTV-SDIN
HDMI-SDIN
HDMI-SPDIF
+1.8V +3.3V
IC2008 +5V(S)
+3.3V
IC2107
+3.3V(S)
+1.8V
DTV-SDIN
SPDIF-IN
FSTB
IC5600 SUB+3.3V
+3.3V(S) +15V IC3017
+3.3V RESET
D5692
Q5603
Q5604
ON/OFF FSTB+15V DET
SUB+1.8V
IC5601
+1.8V(S) +1.2V(S) SUB+1.2V
+1.8V
+1.2V
GS
A52
52
1 +3.3V(S) 1
3 3
SD DATA
12 12
IC8502
GL
02
RESET
NOR FLASH
13 SD LED 1
SD BLUE LED
33
IC2301
+15V(SND)
AUDIO AMP R
IIC2
+15V
A12
ERROR DET
SQ_R(+)
SQ_R 1
SQ
SQ_R(-)
R_OUT
2
W_R W_R(+)
WOOFER 3
W_R(-)
PWM
R_OUT
4
OUT
IC2302
AUDIO AMP L
+15V
A10
ERROR DET
SQ_L(+)
SQ_L
1
SQ
SQ_L(-)
L_OUT
2
W_L W_L(+)
4
WOOFER
W_L(-)
L_OUT
5
D2301
+30V(BT)
L4001
D5613
Q2301 KEYSCAN3
SOUND D4007
SOS
DET IC5606
SOS
D5615 D5614
STB
(LED:12TIMES) (LED:12TIMES) RESET
STB_RESET
SOUND SOS
GS SD CARD SLOT
JK7701
4bit
SD CARD
GL SD BLUE LED
D7800
SQUAWKER_R
WOOFER_R
SQUAWKER_L
WOOFER_L
1
+15V(SND)
IC4000
STB3.3V
STB_RESET
5V(S)
D4006
L4000
+9V
Q4016
9V(S)
3.3V(STB) 5V(STB)
STB
+3.3V
MUTE
ANALOG ASIC
+30V(BT)
2
+5V(S)
3
HDMI SOUND
4
+9V(S)
5
FSTB+15V
6
Y/PB/PR
7
8
+3.3V(S)
9
10
+3.3V(STB)
11
R/G/B_30bit
12
R/G/B_24bit
13
OSD_6bit
14
TH-42PZ800U
Block (3/6) Diagram