Panasonic TC-P50VT25 Service Manual page 6

3.2. A-Board (11/20) Schematic Diagram
A-BOARD TXN/A1LTUUS (11/20)
!
JK3000
K2HA918A0002
AV TERMINAL
Y1
Y1
Y2
Y2
V
V
G
PB1
PB1
PB2
PB2
L
L
G
PR1
PR1
PR2
PR2
R
R
G
L1
L1
L2
L2
G
R1
R1
R2
R2
G
Analog Input
TO 5/20
MAIN_Y/CVBS
JK3001
MAIN_Y/CVBS
MAIN_PB/C
MAIN_PB/C
MAIN_PR K1FY315A0008
MAIN_PR
PC IN
PC_HS
PC_HS
PC_VS
6
PC_VS
1
11
MAIN_R 7
MAIN_R
2
MAIN_L
MAIN_L
12
8
D3301 L3308 3
B0JCCE000008 J0JCC0000269
13
R3306 9
4.7k
D3302 4
B0JCCE000008
14
AV IO TO 17/20
L3309 10
R3307
4.7k J0JCC0000269
5
PA_LO1_R
Monitor R PA_LO1_R
15
PA_LO1_L
Monitor L PA_LO1_L
R3301 R3303
0 0
PA_LO2_R R3302 R3305
TV R PA_LO2_R 100 100
PA_LO2_L
TV L PA_LO2_L
VD
HD
Front End
RF_V
TO 6/20 RF_V
KEY SWITCH
TP3703 R3775
3.16k
TP3706
TP3702 R3771 TP3707 R3772 R3773 TP3705 R3774
21k 1.74k 1.62k 2.32k
INPUT/OK MENU VOL.DN VOL.UP CH.DN
KEYSCAN
R3765
C3752
0
50V
1000p
JS3700 0
91 92
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TERMINAL,AVSW
V1_V
D3079
R3208 75
EZJP0V080GA
D3063
EZJP0V080GA
R3202 39k V1_L
V1_R
R3204 39k
D3064
EZJP0V080GA
D2_Y D3080
EZJP0V080GA
R3212 75 D3065
EZJP0V080GA
D2_PB
R3211 75 D3066
EZJP0V080GA
D2_PR
R3209 75 D3067
EZJP0V080GA
R3190 39k D2_L
D2_R
R3191 39k
R3198 75 D3069
EZJP0V080GA D3068
D1_Y
EZJP0V080GA
D3070
EZJP0V080GA
D1_PB
R3194 75 D3071
EZJP0V080GA
D1_PR
D3072
R3189 75 EZJP0V080GA
D1_L
R3192 39k
D1_R
R3193 39k
D3073
EZJP0V080GA
SUB9V
D3334
B0ACCJ000048
B
PC_B_IN
R3319 C3059
R3318 0 10V
75 10u
D3336
B0ACCJ000048
G PC_G_IN
R3316
C3057
R3313
0 10V
75
10u
D3338
B0ACCJ000048
R
PC_R_IN
R3311 C3061
R3310 0 10V
75 10u
PC_V_IN
PC_H_IN
TP3704
SN2510
B3JB00000078
C.A.T.S. SENSOR
3 VCC NC 4
C2523
16V
0.1u
2 GND GC1 5
CH.UP CH.UP
TP3700
1 IOUT GC2 6
POWER
TO 10/20
AG_KEY3
TP3701
AG_KEY1 TO 8/20
R2558
100
JS3701 0
K-BOARD TXN/K1LTUUM
!
93 94
IIC0 TO 2,6,12/20
PEAKS_SCL0
PEAKS_SCL0
PEAKS_SDA0
PEAKS_SDA0
L3001
J0JYC0000068
C3049
10V
100u
C3017
16V
0.1u
SUB3.3V
26 100
R3072 27 99
PEAKS_SDA0
C3047
PEAKS_SCL0 28 98 R3107 68 10V 10u
SCL PRin1
29 CVBSin2 Rin 97
R3073
GND VCC5V HDin HD_VD/FBKMUTE C3046
30 96
MAIN_Y/CVBS R1 Gin R3099 68 10V 10u
G/CY/CVBSout1 CYin1
31 95
PC_HS R3074 68
HD_out1 L3_DET1 C3045
MAIN_PB/C 32 94 R3098 68 10V 10u
B/PB/Cout1 PBin1
PC_VS 33 93
R3075 68
VD_out1 T_DET6 C3044
MAIN_PR 34 92
IC3001 R3097 68 10V 10u
R/Prout1 PRin2/R3
35 91
VCC5V T_DET7 C3043
36 C1AB00003218 90
R3096 68 10V 10u
SAG_CVBSout4 CYin2/G3
37 89
C3019
Y/Y+C/CVBSout4 VIDEO SW L3_DET2 C3042
16V 38 88 R3095 68
10V 10u
0.1u S2out PBin2/B3
39 AUDIO SW 87
SAG_CVBSout5 VCC5V
40 86
C/Y+C/CVBSout5 Cin4
41 85
GND T_DET8
42 84
SAG_CVBSout3 Yin4
R3071 43 83
CVBS/Y+Cout3 T_DET9
44 82 L3000
VCC9V CVBSin5 J0JYC0000068
R3out R9in
45 81
C3022 G/CY/Y/CVBSout7 L3out L9in VCC9V
46 80
16V R2out R8in
O3 CVBSin6
0.1u 47 79
R3077 48 78
MAIN_R
S 49 77
MAIN_L
R3068 C3015
S
50 76 220 10V
R3078
10u
C3023
10V
10u
PA_LO1_L
PA_LO1_R
PA_LO2_L
PA_LO2_R
RM2501
B3RAD0000168
REMOTE RECEIVER
R2525
C2512 C2521 2.2k
6.3V 50V
D2520
10u 0.01u
B3AAB0000343 D2521
POWER LED B3AEA0000099
TP2520
SD LED
R2517
Q2510
47
Q2511
DSC200100L R2527
R2542 DSC200100L 100
R2516
100k
R2524
22k
22k TP2508
SD_LED
R2520
220k TP2504
K1 A1
TP2501
1 1
SUB3.3V
TP2502
2 2
AI_SENSOR
TP2503
3 3
STB3.3V
4 4
GND
TP2505
5 5
RM_IN
TP2506
6 6
R_LED_ON
R2557
7 7
5.6k GND
8 8
BLUE_LED
9 9
95 96
6
SUB5V
JK3701
K4AK08B00005
R3716
39k SIDE TERMINAL
C3050 V2_R JS3051
FRONT_AV_RIN
16V
0.1u
R-G
R3717
D3088
39k
EZJP0V080GA R
V2_L JS3052 L-G
FRONT_AV_LIN
L
V-G
D3087
V
EZJP0V080GA
JS3054
V2_V
FRONT_AV_V
D3089
EZJP0V080GA
V2_V
D3005
SUB3.3V K7AAAY000006
OPTICAL AUDIO OUT
RENESAS
Video Input
V1/YC1:AV1 Back
Audio OUT
V2:Peaks DC out TO 4,17/20 R3174
V3/YC3:AV2 Back
47k
V4:nonuse
PD_IECOUT0
V5/YC4:AV3 Side
C3157
V6:nonuse
16V
V7:RF
0.1u
RGB:(PC)
YPbPr1:Comp1
YPbPr2:Comp2
Other:-
Video Out
OUT1:Main(ADV)
OUT3:Monitor out
OUT7:ADV(SOY)
Audio Input
D1_PR
L1/R1 RF
L2/R2 Comp1
D1_Y L3/R3 Comp2
L4/R4 AV1
L5/R5 Av2
D1_PB
L6/R6 AV3
L7/R7 (PC)
D2_PR L8/R8 (DVI)
L9/R9 DTV
Audio Out
D2_Y
OUT1:nonuse
OUT2:nonuse
D2_PB
OUT3:Monitor out
OUT4:Main(ADAV)
SUB9V
*JK3003
K1FY109A0012
RS-232C
RS-232C
TP3000 *FL3052
RF_V
J0MAB0000054
3 1
4 2 *D3090 PCis
5
B0BC01600013
GND
TP3001
*D3091
4
B0BC01600013 *R3100
DTR
100
*FL3053 3
J0MAB0000054 TXD
3 1 2
*R3101 RXD
4 2 *D3092
100
B0BC01600013
1
CD
*D3093
B0BC01600013
STB3.3V
*C3066
20 EN 1
10V
FORCEOFF
1u
19 C1+ 2
VCC *C3063
16V 0.1u *C3062
18 V+ 3
*R3103 16V
GND
0.1u
100
17 C1- 4
T1OUT
16 5
C2+
R1IN
*C3064
*R3104
GenX8 Serial 15 6 16V
100 C2-
R1OUT 0.1u
*R3105
14 V- 7
100
FORCEON *C3065
GENX_SBI1
TO 8/20
13 T2OUT 8 16V
GENX_SBO1 0.1u
T1IN
*R3106
100 12 R2IN 9
T2IN
11 R2OUT 10
INVALID
*IC3002
C0ZBZ0001361
RS232C
DRIVER
SUB5V
R4002
Q4002 LDA2
22k
DSC200100L
Q4001
R4003
PD_XDSR0 TO 17/20
1k
R4001 DSA200100L
R4005
JS4001 100
4.7k
TP4009 R4004
100k
SUB3.3V
GenX8 TO 8/20
TP4004 JS4015
TP4008 R5734
AG_AI_SENSOR
1 3 S
TP4003 R5733
2 4
150k
STB3.3V
FL4002
TP4001 J0HAAB000036 JS4010
TP4002
C4075
16V
0.1u
FL4003
J0HAAB000036
AG_RMIN
1 3
2 4
FL4004
J0HAAB000036
AG_R_LED_ON
1 3
2 4
97 98 99
RI
9
CTS
8
RTS
7
6
DSR