Panasonic TH-C42HD18A Service Manual page 49

11.13. A-Board (5/15) Schematic Diagram
A-BOARD TNPH0716AJS (5/15)
!
Front End
to (10/15)
RF_V
RF_L
RF_R
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)
TP4004 STB3.3V
A1
MCLK
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 to (3/15)
FL4000
TP4005 J0HAAB000036
6
KEYSCAN3 AG_KEY3
1 3
2 4
GenX5
AG_KEY1(CON-PANE)
to (7/15)
IRD
FL4003
to (7/15)(13/15)
J0HAAB000036
to (1/15)
AG_RMIN
1 3
2 4
IECOUT0
FL4007
to (7/15) SRCK0
J0HAAB000036
AG_R_LED_ON DMIX0
1 3
2 4
LRCK0
DACCK0
to (7/15)
AG_AI_SENSOR
to (3/15)
DTV_V
JS4025
VJUMP1005-S
D_PCB_MODE to (11/15)(13/15)
S
TH-C42HD18A
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
D3076
K1U929A00001 MAZ81400ML
MONITOR OUT
V D3077
V
MAZ81400ML
MON_L
L L
MON_R
R D3078
R
MAZ81400ML
G
V1
V1_C
C
D3051
Y
MAZ81400ML
C Y G
R3203 R3199
V1_Y
Y-G 75 75
D3048
C-G
MAZ81400ML
G
D3052 V1_S_DET
MAZ81400ML
V1_V
V V
R3208 D3063
75
MAZ81400ML
L
L R3202
39k
R
R
G R3204 D3064
39k MAZ81400ML
COMPONENT2
D2_Y
Y
Y
R3212
75 D3065
PB MAZ81400ML
Pb
R3211
D2_PB
75
PR
Pr
G R3209
D3066 D2_PR
75
RF_V
MAZ81400ML
L
L R3190
39k
RF_L
R
R
G R3191 D3069
39k MAZ81400ML
R3198
RF_R COMPONENT1
75 D1_Y
Y
Y
PB D3070
Pb MAZ81400ML
R3194
75
D1_PB
Pr PR
D1_PR
G R3189
75
L D3071
L
MAZ81400ML
R3192
39k
R
R
G R3193
39k
HDMI_SPDIF
HDMI_LRCK
HDMI_BCLK
HDMI_SDIN
MAIN_Y/CVBS
MAIN_PB/C
MAIN_PR
RGB_CVBS
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
R4135
330
DTV_SRCK
DTV_DMIX
R4134
330
DTV_LRCK
R4136
330
DTV_V
39 40
C3123
R3145 10V R3123
MON_L 100 10u 1.8k AAM_L
R3147
R3124
100
MON_R 1.8k AAM_R
C3124 Q3123
10V
R3146 R3148
10u 2SD0601A0L
180k 180k
R3149 Q3125 AG_VIDEO_STATUS
100
2SB0709A0L
A_MON_MUTE
R3150 R3153
100 1k
Q3124
2SD0601A0L C3153
10V
1u
SUB9V
SUB9V
D3079
MAZ81400ML
V1_L
V1_R
D3080
RENESAS
MAZ81400ML
Video Input
V1/YC1:AV1 Back
V2:Peaks DC out
V3/YC3:AV2 Back
V4:nonuse
V5/YC4:AV3 Side
V6:nonuse
D3067
V7:RF
MAZ81400ML
RGB:(PC)
YPbPr1:Comp1
D2_L
YPbPr2:Comp2
D2_R
Video Out
OUT1:Main(ADV)
D3068 OUT3:Monitor out
MAZ81400ML
OUT7:ADV(SOY)
Audio Input
L1/R1 RF
L2/R2 Comp1
L3/R3 Comp2
L4/R4 AV1
D3072 L5/R5 Av2
MAZ81400ML L6/R6 AV3
L7/R7 (PC)
L8/R8 (DVI)
D1_L AD_SDA2
L9/R9 DTV
D1_R AD_SCL2
Audio Out
OUT1:nonuse
MAIN_Y/CVBS
OUT2:nonuse
D3073
MAZ81400ML OUT3:Monitor out
MAIN_PB/C
OUT4:Main(ADAV)
MAIN_PR
MON_V
R3076
RGB_CVBS 75
R3077
220
MAIN_R
MAIN_L
R3078
220
AAM_R
AAM_L
RF_L
RF_R
41 42
49
SUB5V
L3001
J0JYC0000068
C3049 C3050
10V 16V
100u 0.1u
V2_S_DET
V2_C
V2_Y
V2_V
SUB3.3V
AG_VIDEO_STATUS
26 100
R3072
VJUMP1005-S 27 99
C3047
R3107
S 10V 10u
28 98 68 D1_PR
SCL CVBSin2 Rin PRin1
S 29 97
R3073 C3046
GND VCC5V HDin HD VD/FBKMUTE R3099
VJUMP1005-S 30 96 10V 10u
68 D1_Y
G/CY/CVBSout1 R1 Gin CYin1
31 95
R3098 C3045
HD out1 L3 DET1
32 94 68 10V 10u D1_PB
B/PB/Cout1 PBin1
33 93
IC3001
R3097 C3044
VD out1 T DET6 10V 10u
34 92 68 D2_PR
R/Prout1 C1AB00002855 PRin2/R3
35 91
C3043
VCC5V T DET7 R3096
10V 10u
36 90 68 D2_Y
VIDEO SW
SAG CVBSout4 CYin2/G3
37 89
C3019 AUDIO SW R3095 C3042
Y/Y+C/CVBSout4 L3 DET2
16V 38 88 68 10V 10u
D2_PB
0.1u S2out PBin2/B3
39 87
SAG CVBSout5 VCC5V
40 86
SUB9V
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 L3000
44 82 J0JYC0000068
C3021
VCC9V CVBSin5
10V 220u 45 R3out R9in 81
G/CY/Y/CVBSout7 L3out L9in VCC9V
46 80
C3022
O3 R2out R8in CVBSin6
16V
47 79
0.1u R3068 C3015
48 78 220 10V 10u
49 77
50 76
C3023
10V
10u
TH-C42HD18A
A-Board (5/15) Schematic Diagram
43 44 45
1
2
3
4
5
RF_V