Panasonic TH-42PX80U Service Manual page 50

11.14. A-Board (5/15) Schematic Diagram
! A-BOARD TNPH0716S (5/15)
Front End
to (10/15)
ADV7493
to (9/15)
HDMI_SPDIF
HDMI_LRCK
HDMI_BCLK
HDMI_SDIN
MAIN_Y/CVBS
MAIN_PB/C
MAIN_PR
TO
RGB_CVBS
K-BOARD
(K1)
STB3.3V
TP4004 A1
JS4010
TP4003
0 24.576MHz for ADV
1
STB3.3V
HDMI_INT2
C4075
2
GND 16V
TP4001 0.1u
3
RM_IN
TP4002
4
R_LED_ON
5
GND FL4000 to (3/15)
TP4005 J0HAAB000036
6
AG_KEY3
KEYSCAN3
1 3
2 4
GenX5
AG_KEY1(CON-PANE)
to (7/15)
IRD
FL4003
J0HAAB000036 to (7/15)(13/15)
to (1/15)
AG_RMIN
1 3
2 4
FL4007
to (7/15)
J0HAAB000036
AG_R_LED_ON
1 3
2 4
to (7/15)
AG_AI_SENSOR
to (3/15)
JS4025
VJUMP1005-S
to (11/15)(13/15)
D_PCB_MODE
S
TH-42PX80U
A-Board (5/15) Schematic Diagram
37 38
CONNECTOR,AVSW
IIC2
to (3/15)(10/15)(13/15)
AD_SCL2
AD_SCL2
AD_SDA2
AD_SDA2
JK3000
K1U929A00001
MONITOR OUT
V
V
L
L
R
R
G
V1
C
Y
C Y G
R3203 R3199
Y-G 75 75
C-G
G
V
V
R3208
75
L
L R3202
39k
R R
R3204
G
39k
COMPONENT2
Y
Y
R3212
75
PB
Pb
R3211
75
PR
Pr
R3209
G
75
RF_V
RF_V
L
L R3190
39k
RF_L
RF_L R R
R3191
G
39k
R3198
RF_R COMPONENT1
RF_R
75
Y Y
PB
Pb
R3194
75
PR
Pr
R3189
G
75
L
L
R3192
39k
R
R
G R3193
HDMI_SPDIF 39k
HDMI_LRCK
HDMI_BCLK
HDMI_SDIN
MAIN_Y/CVBS
MAIN_PB/C
MAIN_PR
RGB_CVBS
MCLK
MCLK
HDMI_INT2
GenX5
to (7/15)(11/15)
AG_AUDIO_MUTE
AG_AUDIO_MUTE
AG_SOUND_SOS
AG_SOUND_SOS
AG_AUDIO_XRST
AG_AUDIO_XRST
AG_VIDEO_STATUS
to (7/15)
AG_FAN_MAX
AG_KEY1(CON-PANE) AG_FAN_SOS
R4137
100 DTV_SPDIF
IECOUT0
R4135
330 DTV_SRCK
SRCK0
DTV_DMIX
DMIX0
R4134
330
DTV_LRCK
LRCK0
R4136
330
DACCK0
DTV_V
DTV_V
39 40
C3123
R3145 10V R3123
MON_L 100 10u 1.8k AAM_L
R3147 R3124
100 1.8k
MON_R AAM_R
C3124 Q3123
10V
R3148
R3146 10u 2SD0601A0L
180k 180k
R3149 Q3125
100
2SB0709A0L
A_MON_MUTE
R3150 R3153
100 1k
Q3124
2SD0601A0L C3153
10V
1u
SUB9V
D3076
MAZ81400ML
SUB9V
D3077
MAZ81400ML
MON_L
D3078 MON_R
MAZ81400ML
V1_C
D3051
MAZ81400ML
V1_Y
D3048
MAZ81400ML
D3052 V1_S_DET
MAZ81400ML
V1_V
D3079
MAZ81400ML
D3063
MAZ81400ML
V1_L
V1_R
D3064
MAZ81400ML
D2_Y
D3080 RENESAS
MAZ81400ML Video Input
D3065 V1/YC1:AV1 Back
MAZ81400ML V2:Peaks DC out
V3/YC3:AV2 Back
D2_PB V4:nonuse
V5/YC4:AV3 Side
V6:nonuse
D3067
D3066 D2_PR V7:RF
MAZ81400ML
MAZ81400ML RGB:(PC)
YPbPr1:Comp1
D2_L
YPbPr2:Comp2
D2_R
Other:
D3069 Video Out
MAZ81400ML OUT1:Main(ADV)
D3068 OUT3:Monitor out
D1_Y
MAZ81400ML OUT7:ADV(SOY)
Audio Input
L1/R1 RF
D3070
MAZ81400ML L2/R2 Comp1
L3/R3 Comp2
D1_PB
L4/R4 AV1
D1_PR L5/R5 Av2
D3072
MAZ81400ML L6/R6 AV3
D3071 L7/R7 (PC)
MAZ81400ML D1_L L8/R8 (DVI)
L9/R9 DTV
D1_R
Audio Out
OUT1:nonuse
OUT2:nonuse
D3073
MAZ81400ML OUT3:Monitor out
OUT4:Main(ADAV)
MON_V
MAIN_R
MAIN_L
AAM_R
AAM_L
41 42
50
AG_VIDEO_STATUS
SUB3.3V
AG_VIDEO_STATUS
26 100
R3072
AD_SDA2 VJUMP1005-S 27 99
S 28 98
AD_SCL2
SCL CVBSin2 Rin PRin1
S 29 97
R3073
GND VCC5V HDin HD VD/FBKMUTE
VJUMP1005-S
MAIN_Y/CVBS 30 96
R1 Gin
G/CY/CVBSout1 CYin1
31 95
HD out1 L3 DET1
MAIN_PB/C 32 94
B/PB/Cout1 PBin1
33 IC3001 93
VD out1 T DET6
34 92
MAIN_PR
R/Prout1 PRin2/R3
C1AB00002855
35 91
VCC5V T DET7
36 90
VIDEO SW
SAG CVBSout4 CYin2/G3
37 89
C3019 Y/Y+C/CVBSout4 AUDIO SW L3 DET2
16V 38 88
0.1u S2out PBin2/B3
39 87
SAG CVBSout5 VCC5V
40 86
C/Y+C/CVBSout5 Cin4
C3020
41 85
16V
GND T DET8
22u 42 84
SAG CVBSout3 Yin4
+ 43 83
CVBS/Y+Cout3 T DET9
44 82
R3076 C3021
VCC9V CVBSin5
75 10V 220u 45 R3out R9in 81
RGB_CVBS
G/CY/Y/CVBSout7 L3out L9in VCC9V
46 80
C3022 R2out R8in
O3 CVBSin6
16V
47 79
0.1u
R3077
220 48 78
49 77
50 76
R3078
220
C3023
10V
10u
RF_L
RF_R
TH-42PX80U
A-Board (5/15) Schematic Diagram
43 44
1
2
3
SUB5V
L3001
J0JYC0000068
C3049 C3050
10V 16V
100u 0.1u
4
V2_S_DET
V2_C
V2_Y
V2_V
C3047
R3107
10V 10u
68 D1_PR
C3046
R3099
10V 10u
68 D1_Y 5
R3098 C3045
68 10V 10u D1_PB
C3044
R3097
10V 10u
68 D2_PR
C3043
R3096
10V 10u
68 D2_Y
C3042
R3095
10V 10u
68 D2_PB
SUB9V
L3000
J0JYC0000068
R3068 C3015
10V 10u
220 RF_V
45