Panasonic TH-C42HD18, Service Manual

Page: 29 / 119

29
9.3. Block Diagram (3/5)
(LED 12 )
CH0DATA
D2301
Q5604
D5692
Q5603
+9V(S)
5V(S)
L4001
Q4016
L4000
D4006
D4007
5V(STB) 3.3V(STB_TU)
+30V(BT)
9V(S)
+15V(SND)
F15V
+30V(BT)
+1.8V(S) +1.2V(S)
D5614 D5615
D5613
COMP1
L/R
+1.8V
SPEAKER
VIDEO3
MAIN L/R
L/R
L/R
SPDIF-OUT
VIDEO SW
AV L/R
PC
L/R
V1_L
COMP1
V
RGB_CVBS
D1_PR
VIDEO4
DTV-SDIN
OUT
MONITOR
OUT
+15V
V1_V
IC2106
SPDIF-IN
L/R
Y/C
SOS
L/R
L_OUT
AUDIO SW
+3.3V
MAIN
OUT
SUB
OUT
+1.8V
SUB MONO
L+R
DTV_R
Q2301
TV
IC3001
D1_Y
IC2107
VIDEO2
SOUND PROCESSOR
SPEAKER
VIDEO1
IC2301
AUDIO AMP
COMP2
MON_L
ERROR DET
IIC2
PC_HS/VS
OUT
HS/VS
Y/PB/PR
TV
L/R
+3.3V
L/R
VIDEO1
R_OUT
L/R
V
HDMI-SDIN
MONITOR
MON_R
V1_R
DTV2
DTV_L
Y/PB/PR
DTV1
Y/C
R/G/B/H/V
Y/PB/PR
MON_V
TV
D1_PB
R(-)
L(+)
L(-)
R(+)
1
2
4
3
R
L
+3.3V(S)
CLOCK GEN
+1.8V(S)
CLOCK
OSD
PROCESS
SD DATA
RESET
12
CONTROL
+3.3V
3
TRANSPORT
DECODER
IC8001
1
(TS)
A52
SD DATA
A51
V2_R
V2_L
V2_C
V2_Y
V2_V
IIC2
IIC1
IIC0
SBI2
SBO2
F+15V DET
IC8004
ON/OFF
IC8502
CPU BUS I/F
IC8503
IIC_IF EEPROM
IIC3
3
1
GS
52
12
4bit
SD CARD
DDR2 #0
IC8002
DDR I/F
IC5601
+1.8V
+1.2V
+1.2V(S)
+3.3V
IC5600
SOUND SOS
JK7701
DTV_V
RESET
IC3017
RESET
DTV RESET
+9V(S)
HDMI SOUND
+5V(S)
+3.3V(S)
+30V(BT)
V1
V2
D1
D2
V1
V2
SPDIF-OUT
AV_L/R
MON
MON
SUB+1.8V
SUB+1.2V
SUB+3.3V
FRONT TERMINAL
KEY SWITCH
G
11
V2_R
V2_C
V2_L
V2_Y
5
1
V2_V
G51
V2_R
VIDEO2
9
7
3
KEYSCAN1
COMP2
COMP1
GS SD CARD SLOT
SPEAKER_L
Y/PB/PR
R/G/B_24bit
Peaks Lite2p
+9V
IC4000
STB
+3.3V
JK3000
JK3701
1
V1_C
V1_Y
A12
IC2008
HDMI-SPDIF
TV
LVDS_TA1P-5P
LVDS_TA1P-5P
STB3.3V
MUTE
STB_RESET
ANALOG ASIC
+15V(SND)
D3005
F15V
IIC2
+3.3V(STB_TU)
+5V +9V
VIDEO
AUDIO
IF_AGC
TV_R
TV_L
+30V(BT)
+5V(S)
IFD_OUT2
AFT
IFD_OUT1
AFT
IIC_TU
TV_V
(TERRESTRIAL RECEIVER)
IC8300
IF_AGC
IIC_TU
FRONT END PROCESSOR
+1.2V(S)
+3.3V(S)
IIC2
D1_L
D1_R
D2_Y
D2_PB
D2_PR
D2_L
D2_R
COMP2
Y/C/V
Y/C/V
V2_L
V2_V
V2_C
V2_Y
VIDEO4
VIDEO1
VIDEO2
VIDEO3
DTV_V
PC
NOR FLASH
SD CARD
I/F
OUT
AUDIO
OPTICAL
KEYSCAN1
SPDIF-IN
DTV-SDIN
SOUND
SOS
DET
AUDIO
PROCESS
VIDEO
PROCESS
KEY SWITCH
SPEAKER_R
DIGITAL
DEMODULATOR
ANT IN
R/G/B_24bit
5
11
9
7
3
D1
D2
Y/PB/PR
IC5606
STB
RESET
KEYSCAN3
STB_RESET
DIGITAL SIGNAL PROCESSOR
A
DTV1
L/R
DTV_L/R
PWM
OUT
CONV.
D/A
D/A
A/D
SOUND
PROCESSOR
CONV.
CONV.
OUT
OPTICAL
TU8300 TUNER
1
2
3
4
5
6
7
8
9
10
11
12
13
(LED 12 )
TH-C42HD18
Block Diagram (3/5) TH-C42HD18
Block Diagram (3/5)
+5V(S)
+3.3V(S)
+5V(S)
+3.3V(S)
+3.3V(S)
+5V(S)
+3.3V(S)