Panasonic TX-P42X20B / TX-P42X20E / TX-P42X20L / TX-P42X25E / TX-P42X25ES / TX-PF42X20 Service Manual ▷ View online
53
12.13. A-Board (8/19) Schematic Diagram
+
Thermal Pad
S
S
S
+
C2316
0.1u
50V
C2324
25V
1u
C2301
16V
0.1u
C2335
25V
0.1u
C2318
0.1u
50V
C2323
0.1u
50V
C2104
50V
10p
C2325
50V
1000p
C2347
50V
0.022u
C2321
0.1u
50V
C2343
50V
0.022u
C2340
50V
0.022u
C2345
50V
0.022u
C2342
50V
0.022u
C2334
50V
0.47u
C2338
25V
0.1u
C2302
16V
0.1u
C2057
10u
10V
C2336
25V
0.1u
C2055
10u
10V
C2346
50V
0.022u
C2355
50V
1000p
C2341
50V
0.022u
C2313
50V
1000p
C2344
50V
0.022u
C2304
25V
1u
C2337
50V
0.47u
C2320
25V
1u
C2351
50V
1000p
C2339
25V
0.1u
C2074
25V
0.033u
C2353
50V
1000p
C2314
25V
1u
C2349
50V
1000p
C2317
25V
1u
C2107
10V
1u
C2108
10V
1u
C2357
10u
25V
C2309
10u
25V
C2312
10u
25V
C2356
10u
25V
C2110
16V
0.1u
C2072
6.3V
100u
100u
D2014
B0ACCJ000048
C1AB00003230
IC2301
1
STBY
44
PVD1
2
MUTE
3
SOS
4
NC1
5
NC2
6
NC3
7
NC4
8
PWM_A1
9
PWM_B1
10 NC5
11 NC6
12 NC7
13 GND
14 PWM_B2
15 PWM_A2
16 NC8
17 NC9
18 NC10
19 NC11
20 NC12
21 NC13
22 NC14
23
PVD2
24
PVD2
25
OUT_CH2_P
26
OUT_CH2_P
27
BOOT_CH2_P
28
VDDA2
29
BOOT_CH2_N
30
OUT_CH2_N
31
OUT_CH2_N
32
PGND2
33
PGND2
34
PGND1
35
PGND1
36
OUT_CH1_N
37
OUT_CH1_N
38
BOOT_CH1_N
39
VDDA1
40
BOOT_CH1_P
41
OUT_CH1_P
42
OUT_CH1_P
43
PVD1
A11
1
2
3
4
L2301
J0JHC0000042
L2302
G1C3R0ZA0156
L2303
G1C220MA0416
L2305
G1C220MA0416
L2304
G1C220MA0416
L2306
G1C220MA0416
SUB3.3V
SUB5V
SUB3.3V
AVDD3.3V
S_15V
R2065
R2066
R2107
TP2304
TP2302
TP2008
TP2303
TP2301
HP1_L1
NSHUTDOWN
AMP_MUTE
AV_L
LO2_L
PWM1RN
PWM0LP
PWM1RP
PWM0LN
MUTEB
SIF
HP1_R1
LO1_L
LO1_R
AV_R
HP_MUTE_CTL
LO2_R
A_MUTE
EA8
LIN5_RP
LO2_R_AVSW
SIFINP
HP_ROUT
SIFINN
LO1_L_AVSW
LO1_R_AVSW
LO2_L_AVSW
LIN5_LP
Q2254
B1AAFB000002
Q2255
DSC2001S0L
Q2109
DSA200100L
Q2252
DSA200100L
Q2301
DSA200100L
Q2101
DSA200100L
R2302
EXB28V220JX
R2321
3.3
140k
R2055
R2264
100
R2318
3.3
R2135
1k
R2101
3.3k
R2309
2.2k
R2104
1.2k
R2121
680
R2103
22
R2310
2.2k
R2070
10k
R2254
100
140k
R2053
R2259
100
R2319
3.3
R2102
4.7k
10k
R2301
R2255
47k
R2260
10k
R2139
220
R2110
22
R2308
220
R2307
4.7k
4.7k
R2320
3.3
R2258
100
R2257
1M
R2304
47k
R2263
10k
R2256
10k
R2330
0
R2331
0
R2069
10k
Q2253
B1AAFB000002
C2073
25V
0.033u
C2071
6.3V
100u
HP_LOUT
To SOS
MUTE
SOS
RESET
PWM_READY
OPERATE
OPERATE
<< Monitor L
Peaks-COMMON
<< MainHP L
<< TV R
<< TV L
<< Monitor R
<< MainHP R
TUNER
AVSW
R+
L+
R-
TO SPEAKER
L-
TV_L-OUT
TV_R-OUT
MON_R-OUT
MON_L-OUT
Analog-ASIC
MUTE
OPERATE
MUTE
NORMAL
MUTE
NORMAL
69
65
71
72
66
68
64
70
67
!
A-BOARD (8/19)
AUDIO AMP
TO 2/19
TO 2/19
TO 2/19
TO 2/19
TO 2/19
TO 3/19
TO 3/19
TO 2/19
TO 3,6/19
TO 9/19
TO 12/19
TO 12/19
TO 11/19
TO 10/19
AUDIO AMP
54
12.14. A-Board (9/19) Schematic Diagram
DRIVE IC
VCC
Vin
GND
AUDIO OUT
AUDIO IN
L
R
PR
L
R
Y
PB
SHIELD
V
R
L
B
A
P
S
S
P
+
IF_Monitor
21
IFAGC
IFAGC
IFD2
IFD2
IFD1
IFD1
D3300
K7AAAY000006
*JK3100
K2HA710A0001
Y
PB
G
L
R
G
R
G
L
PR
*JK3107
K4AK13B00006
a
b
c
d
V-SW
V
V-G
L
L-G
R
R-G
*JK3302
K1FY242A0001
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
SUB3.3V
E_AV1_BLUE(_7PIN)/A_AV2C_PR__TERMINAL
E_AV1_ROUT(_1PIN)_TERMINAL
E_AV1_LIN(_6PIN)/A_AV2_L__TERMINAL
E_AV2_ROUT(_1PIN)_TERMINAL
E_AV2_RIN(_2PIN)/A_AV3_R__TERMINAL
E_AV2_LOUT(_3PIN)_TERMINAL
E_AV2_Q-LINK(10P)_TERMINAL
SIDE_HP_L_TERMINAL
E_AV2_GND(AUDIO)(_4P)_TERMINAL
E_AV2_BLUE(_7PIN)_TERMINAL
E_AV1_GREEN(11P)/A_AV2C_Y__TERMINAL
E_AV1_VOUT(19P)/A_VOUT__TERMINAL
E_AV1_VIN(20P)/A_AV2_V__TERMINAL
E_AV1_Q-LINK(10P)_TERMINAL
SIDE_HP_GND
E_AV2_RED/C(15PIN)_TERMINAL
E_AV1_LOUT(_3PIN)_TERMINAL
E_AV2_SLOW(_8P)_TERMINAL
E_AV1_RIN(_2PIN)/A_AV2_R__TERMINAL
RCA_AUDIOOUT_R__TERMINAL
E_AV2_GREEN(11P)/A_AV2C_Y__TERMINAL
SIDE_HP_R_TERMINAL
E_AV2_VOUT(19P)_TERMINAL
E_AV1_RED(15PIN)/A_AV2C_PR__TERMINAL
OPT_SPDIF_TERMINAL
RCA_AUDIOOUT_L__TERMINAL
E_AV2_VIN(20P)/A_AV3_V__TERMINAL
E_AV1_GND(AUDIO)(_4P)_TERMINAL
E_AV2_LIN(_6PIN)/A_AV3_L__TERMINAL
SIDE_RIN_TERMINAL
E_AV1_SLOW(_8P)_TERMINAL
E_AV2_FB(16P)_TERMINAL
SIDE_VIN_TERMINAL
SIDE_LIN_TERMINAL
E_PC_RIN/A_AV1_RIN__TERMINAL
E_AV1_FB(16P)_TERMINAL
E_YPBPR_Y/A_AV1C_Y__TERMINAL
E_PC_LIN/A_AV1_LIN__TERMINAL
E_YPBPR_PB/A_AV1C_PB__TERMINAL
E_YPBPR_PR/A_AV1C_PR__TERMINAL
L2906
J0JCC0000278
IFAGC
IFD1
STMGPIO5
FE-OUT_SCL
R2926
68
AV3.3V
FE-OUT_SDA
SUB3.3V
SUB5.6V
C2961
1u
10V
ACT5V
R2959
C2911
16V
0.1u
0.1u
MAIN_RF_CVBS
L2904
J0JCC0000278
L2950
J0JHC0000045
L2903
J0JCC0000278
C2965
10V
1u
IFD2
IC2950
C0CBCAG00031
1 VOUT
2 VSS
3 ON/OFF
4
NC
5
VSS
6
VIN
SG-RF_AFT1
TNR3.3V
C2917
50V
2200p
C2908
16V
0.1u
C0DBGYY00281
IC2952
1
NC
2
VSS
3
CE
5
VOUT
4
VIN
TNR5V
SUB5.6V
R2907
C2907
16V
0.1u
AM
R2918
0
C2959
16V
0.1u
L2905
J0JHC0000046
L2901
J0JCC0000278
R2914
10k
C2910
16V
0.1u
L2900
J0JCC0000278
R2915
TNR3.3V
C2950
6.3V
4.7u
FE1.2V
R2966
TNR5V
FE1.2V
AA_FE_RST
C2966
10V
2.2u
SIF
C2905
10V
100u
C2951
6.3V
4.7u
6.3V
4.7u
TU2901A
ENG37F03KF
+B_active_antenna
1
BB
2
RF-AGC_Monitor
3
NC
5
BT_Monitor
6
VB1
10
Video-out
11
SCL
13
SDA
14
VB2
15
IF_AGC
16
RESET
17
IFD-out1
19
IFD-out2
20
Audio-out
8
SIF-out
9
TP2952
C0DBFYY00049
IC2953
1
VIN
2
VSS
3
CE
5
VOUT
4
NC
GREEN IN
YPBPR
NC
AV1
GND(FB)
OUT
GND(RED)
VIDEO IN
BLUE IN
R IN
AUDIO
TV L OUT
GND(PLUG)
GND(AUDIO)
GND(VIDEO IN)
RED IN
GND(AUDIO)
GND(RED/C)
BLUE IN
TV R OUT
AV1 SLOW
GREEN IN
R IN
GND(GREEN)
GND(VIDEO)
IN
TV R OUT
GND(VIDEO)
VIDEO OUT
GND(GREEN)
FB IN
GND(BLUE)
L IN
TV VIDEO OUT
Chroma/RED in
GND(PLUG)
L IN
AV2
Q-LINK
AUDIO
FB IN
GND(BLUE)
AV2 SLOW
VIDEO IN
GND(VIDEO IN)
GND(FB)
TV L OUT
NC
75
78
80
74
77
79
73
76
81
!
TUNER3.3V
TUNER1.2V
SG-TV_SUB_ON
TUNER1.2V
FE_XRST / SDRAM_CHK
D-TNR_SDA
TUNER5V
TUNER3.3V
SG-TV_SUB_ON
D-TNR_SCL
GENX
AVSW
IIC_From_Demod
Demod
ADV
TUNER
TUNER5V
HEADPHONE
AV3
SPDIF
AUDIO
OUT
OPTICAL
TO 10/19
TO 10/19
TO 10/19
TO 3,6,11,12,17/19
TO 1,19/19
TO 19/19
TO 11/19
TO 8/19
TO 11/19
TO 6/19
TO 4,19/19
TO 10/19
TO 10/19
TUNER,TERMINAL
A-BOARD (9/19)
!
55
12.15. A-Board (10/19) Schematic Diagram
+
+
+
+
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
C3136
50V
560p
C3124
10V
10u
*C3150
10V
1u
C3148
10u
10V
*C3160
10u
10V
*C3112
10V 1u
C3165
10V
10u
10u
C3164
10V
10u
10u
C3146
10u
10V
C3130
16V
0.1u
*C3123
10V
10u
C3158
10V
1u
C3132
10V
10u
10u
C3152
10V
1u
*C3154
50V
560p
*C3134
50V
560p
C3131
10V
10u
10u
C3151
10V
1u
*C3159
10u
10V
C3139
50V
560p
*C3141
10u
10V
*C3127
10V
10u
10u
C3108
25V
0.033u
*C3111
10V 1u
*C3126
10V
10u
10u
*C3113
10V
10u
C3155
50V
560p
C3156
50V
560p
*C3133
50V
560p
C3157
10V
1u
*C3162
10u
10V
*C3153
50V
560p
*C3143
10u
10V
C3109
25V
0.033u
*C3142
10u
10V
C3135
50V
560p
*C3161
10u
10V
C3125
10V
10u
*C3137
50V
560p
C3163
10V
10u
10u
*C3128
10V
10u
C3147
10u
10V
*C3149
10V
1u
*C3138
50V
560p
C3145
10u
10V
*C3144
10u
10V
C3140
50V
560p
C3129
10V
10u
10u
*C3106
560p
50V
*C3105
560p
50V
*C3119
10V
100u
C3120
10V
100u
100u
*C3122
100u
10V
C3121
100u
10V
*D3129
B0ACCJ000048
D3130
B0ACCJ000048
D3124
DZ2J140M0L
*D3123
DZ2J140M0L
*L3120
J0JYC0000331
L3116
J0JYC0000331
L3102
J0JYC0000331
L3111
J0JYC0000331
L3103
J0JYC0000331
*L3107
J0JCC0000287
L3125
J0JYC0000331
*L3100
J0JYC0000331
*L3119
J0JYC0000331
*L3109
J0JYC0000331
*L3104
J0JCC0000287
*L3124
J0JYC0000331
L3113
J0JYC0000331
J0JYC0000331
L3108
J0JCC0000287
*L3115
J0JYC0000331
L3118
J0JYC0000331
L3117
J0JYC0000331
*L3101
J0JYC0000331
*L3110
J0JYC0000331
*L3114
J0JYC0000331
L3112
J0JYC0000331
STB5V
STB5V
JS3105
JS3107
JS3103
JS3101
JS3106
JS3108
JS3114
JS3100
JS3109
JS3112
JS3102
JS3113
R3126
R3300
R3302
JS3110
TP3100
TP3101
TP3102
TP3103
E_AV1_VIN(20P)/A_AV2_V__TERMINAL
AVSW_R055PIN_R1OUT
E_AV2_LIN(_6PIN)/A_AV3_L__TERMINAL
E_AV2_RIN(_2PIN)/A_AV3_R__TERMINAL
E_AV2_SLOW(_8P)_TERMINAL
E_AV2_RED/C(15PIN)_TERMINAL
E_AV1_LIN(_6PIN)/A_AV2_L__TERMINAL
E_AV1_BLUE(_7PIN)/A_AV2C_PR__TERMINAL
E_AV2_GND(AUDIO)(_4P)_TERMINAL
AVSW_R056PIN_L1OUT
E_AV2_BLUE(_7PIN)_TERMINAL
E_PC_LIN/A_AV1_LIN__TERMINAL
AVSW_R052PIN_L3OUT
AVSW_R038PIN_Y/Y+C/CVBSOUT4
E_AV2_VIN(20P)/A_AV3_V__TERMINAL
HP_ROUT
E_AV1_RED(15PIN)/A_AV2C_PR__TERMINAL
AVSW_R053PIN_R2OUT
E_YPBPR_PR/A_AV1C_PR__TERMINAL
E_AV1_RIN(_2PIN)/A_AV2_R__TERMINAL
E_AV1_FB(16P)_TERMINAL
E_AV1_GREEN(11P)/A_AV2C_Y__TERMINAL
E_PC_RIN/A_AV1_RIN__TERMINAL
E_AV2_LOUT(_3PIN)_TERMINAL
AVSW_R044PIN_CVBS/Y+COUT3
E_AV1_ROUT(_1PIN)_TERMINAL
SIDE_RIN_TERMINAL
E_AV2_GND(AUDIO)(_4P)_TERMINAL
E_AV1_LOUT(_3PIN)_TERMINAL
E_AV1_GND(AUDIO)(_4P)_TERMINAL
SIDE_LIN_TERMINAL
MONITOROUT_MUTE
E_AV1_GND(AUDIO)(_4P)_TERMINAL
SIDE_VIN_TERMINAL
E_AV2_ROUT(_1PIN)_TERMINAL
E_YPBPR_Y/A_AV1C_Y__TERMINAL
E_AV1_SLOW(_8P)_TERMINAL
HP_LOUT
IECOUT
E_AV2_GREEN(11P)/A_AV2C_Y__TERMINAL
AVSW_R051PIN_R3OUT
E_YPBPR_PB/A_AV1C_PB__TERMINAL
AVSW_R054PIN_L2OUT
E_AV2_FB(16P)_TERMINAL
AVSW_R013PIN_G2/YIN2
E_AV1_VOUT(19P)/A_VOUT__TERMINAL
AVSW_R068PIN_L6IN
AVSW_R064PIN_L4IN
SIDE_HP_GND
AVSW_R095PIN_CYIN1
AVSW_R021PIN_B1/CIN1
AVSW_R065PIN_R4IN
AVSW_R020PIN_S2DET1
AVSW_R037PIN_SAGCVBSOUT4
AVSW_R093PIN_PBIN1
AVSW_R079PIN_CVBSIN6
OPT_SPDIF_TERMINAL
RCA_AUDIOOUT_R__TERMINAL
AVSW_R091PIN_PRIN2/R3
AVSW_R089PIN_CYIN2/G3
SIDE_HP_L_TERMINAL
AVSW_R019PIN_G1/YIN1
AVSW_R011PIN_R2/CIN3
AVSW_R097PIN_PRIN1
AVSW_R015PIN_B2/CIN2
E_AV2_VOUT(19P)_TERMINAL
AVSW_R014PIN_S2DET2
SIDE_HP_R_TERMINAL
AVSW_R069PIN_R6IN
RCA_AUDIOOUT_L__TERMINAL
AVSW_R081PIN_CVBSIN5
AVSW_R043PIN_SAGCVBSOUT3
AVSW_R087PIN_PBIN2/B3
AVSW_R062PIN_L3IN
AVSW_R070PIN_L7IN
AVSW_R063PIN_R3IN
AVSW_R078PIN_FBIN2/O2
AVSW_R076PIN_FBIN/O1
AVSW_R071PIN_R7IN
AVSW_R023PIN_CVBSIN2
STMCECAVL1A
E_AV1_Q-LINK(10P)_TERMINAL
E_AV2_Q-LINK(10P)_TERMINAL
STMCECAVL1B
*Q3100
B1AAFB000002
*Q3101
B1AAFB000002
*Q3104
DSC200100L
Q3102
DSC200100L
Q3103
DSC200100L
*Q3105
DSC200100L
R3177
EXB28V331JX
R3192
EXB28V820JX
R3173
EXB28V221JX
R3157
EXB28V221JX
R3120
EXB28V221JX
*R3154
EXB28V221JX
R3168
33k
R3167
33k
*R3110
150
*R3210
22
*R3130
75
R3147
150
*R3199
150
*R3170
2.2k
R3172
2.2k
R3171
2.2k
*R3191
2.2k
*R3190
2.2k
R3136
150
R3137
75
R3182
75
R3108
100
*R3109
150
*R3144
150
*R3107
33k
R3129
100k
R3208
27k
*R3161
100k
R3146
150
*R3165
33k
*R3131
150
R3141
150
R3198
68
*R3106
33k
*R3207
27k
R3142
150
R3134
150
*R3209
68
*R3185
100k
*R3138
150
*R3203
21.5k
R3183
75
R3143
150
R3164
100k
*R3194
330
*R3145
150
*R3132
150
*R3133
150
*R3128
100k
R3151
220
*R3197
68
R3135
150
R3211
22
R3163
100k
R3153
220
*R3152
220
*R3195
330
*R3205
13k
*R3201
150
R3150
220
R3187
33k
R3186
33k
R3200
150
*R3169
2.2k
*R3184
100k
*R3117
220
R3181
75
R3212
68
R3206
13k
R3202
150
*R3140
150
R3204
21.5k
21.5k
*R3139
150
*R3162
100k
*R3166
33k
E_AV2_Vi/Yi
Standby-MPU
E_AV1
PC/Audio IN(RCA AV1in)
E_AV3 V
E_AV1
Peaks-COMMON
R IN
VIDEO IN
E_YPbPr
VIDEO OUT
L IN
E_AV2 RGB/C
E_AV3 L/R
E_AV2_Vo
E_AV2
QLINK_AV2
E_AV2_VOUT
AUDIO OUT
QLINK_AV1
E_AV1_VOUT
OPT
E_AV1
Q-LINK
E_AV1 FB/SLOW-SW
E_AV2
HP
AUDIO IN
E_AUDIO OUT
E_AV1_Vi
E_AV1 RGB
E_AV2 FB/SLOW-SW
E_AV2
E_AV1_Vo
SG-QLINK1
SG-QLINK2
83
90
85
84
86
88
87
82
89
!
TO 9/19
TO 9/19
TO 11/19
TO 11/19
TO 3,6/19
TO 3,7/19
TO 9/19
TO 8/19
TO 11/19
TO 12/19
VIDEO AUDIO I/O
A-BOARD (10/19)
56
12.16. A-Board (11/19) Schematic Diagram
S
S
S
S
S
S
S
P
P
P
AV_R
MAIN_PB/C
VIN
RGB_CVBS
MAIN_PR
RGB_CVBS
AVSW_R027PIN_FBOUT/TDET10
HIN
AV-SW_SCL
AVSW_R027PIN_FBOUT/TDET10
HIN
MAIN_Y/CVBS
MAIN_PR
MAIN_PB/C
VIN
AV_L
AV-SW_SDA
MAIN_Y/CVBS
C3003
16V
0.1u
C3021
10V 1u
C3015
10u
10V
C3016
16V
0.1u
C3022
10V 1u
C3020
10V 1u
C3018
16V 0.1u
C3025
10V
10u
10u
C3024
10V
10u
C3004
16V
0.1u
C3011
10u
10V
C3023
10V 1u
C3019
16V 0.1u
C3031
1u
10V
C3032
1u
10V
C3013
10V
1u
C3014
10V
1u
C0DBGYY00281
IC3001
1
NC
2
VSS
3
CE
5
VOUT
4
VIN
C1AB00003218
IC3000
1
Gin
2
HDin
3
Rin
4
T_DET5
5
CVBSin4
6
T_DET4
7
CVBSin3
8
BG
9
Yin3
10
S2_DET3
11
R2/Cin3
12
GND
13
G2/Yin2
14
S2_DET2
15
B2/Cin2
16
T_DET3
17
CVBSin1
18
T_DET2
19
G1/Yin1
20
S2_DET1
21
B1/Cin1
22
T_DET1
23
CVBSin2
24
VCC5V
25
R1
26
Rtate_out
27
T_DET10/Fbout
28
SDA
29
SCL
30
GND
31
G/CY/CVBSout1
32
HD_out1
33
B/PB/Cout1
34
VD_out1
35
R/Prout1
36
VCC5V
37
SAG_CVBSout4
38
Y/Y+C/CVBSout4
39
S2out
40
SAG_CVBSout5
41
C/Y+C/CVBSout5
42
GND
43
SAG_CVBSout3
44
CVBS/Y+Cout3
45
VCC9V
46
G/CY/Y/CVBSout7
47
O3
48
AU_GND
49
R4out
50
L4out
51
R3out
52
L3out
53
R2out
54
L2out
55
R10in/R1out
56
L10in/L1out
57
AU1/2Vcc
58
L1in
59
R1in
60
L2in
61
R2in
62
L3in
63
R3in
64
L4in
65
R4in
66
L5in
67
R5in
68
L6in
69
R6in
70
L7in
71
R7in
72
L8in
73
R8in
74
L9in
75
R9in
76
FBin1/O1
77
CVBSin7
78
FBin2/O2
79
CVBSin6
80
VCC9V
81
CVBSin5
82
T_DET9
83
Yin4
84
T_DET8
85
Cin4
86
VCC5V
87
PBin2/B3
88
L3_DET2
89
CYin2/G3
90
T_DET7
91
PRin2/R3
92
T_DET6
93
PBin1
94
L3_DET1
95
CYin1
96
HD_VD/FBKMUTE
97
PRin1
98
GND
99
Bin
100
VDin
SUB9V
SUB5.6V
SUB3.3V
R3007
R3006
R3011
R3009
R3008
R3010
R3000
R3002
R3019
R3001
TP3001
TP3006
TP3005
TP3002
TP3003
TP3004
TP3000
AVSW_R015PIN_B2/CIN2
AVSW_R079PIN_CVBSIN6
AVSW_R043PIN_SAGCVBSOUT3
MAIN_RF_CVBS
AVSW_R070PIN_L7IN
AVSW_R078PIN_FBIN2/O2
AVSW_R014PIN_S2DET2
AVSW_R013PIN_G2/YIN2
AVSW_R007PIN_CVBS3
LO2_L_AVSW
LO2_R_AVSW
LO1_L_AVSW
LO1_R_AVSW
AVSW_R076PIN_FBIN/O1
AVSW_R091PIN_PRIN2/R3
AVSW_R011PIN_R2/CIN3
AVSW_R097PIN_PRIN1
AVSW_R037PIN_SAGCVBSOUT4
AVSW_R052PIN_L3OUT
AVSW_R056PIN_L1OUT
AVSW_R068PIN_L6IN
AVSW_R064PIN_L4IN
AVSW_R063PIN_R3IN
AVSW_R020PIN_S2DET1
AVSW_R087PIN_PBIN2/B3
AVSW_R023PIN_CVBSIN2
AM
AVSW_R019PIN_G1/YIN1
AVSW_R062PIN_L3IN
AVSW_R081PIN_CVBSIN5
AVSW_R089PIN_CYIN2/G3
AVSW_R053PIN_R2OUT
AVSW_R054PIN_L2OUT
AVSW_R065PIN_R4IN
AVSW_R055PIN_R1OUT
VDACO
AVSW_R093PIN_PBIN1
AVSW_R095PIN_CYIN1
AVSW_R051PIN_R3OUT
AVSW_R021PIN_B1/CIN1
AVSW_R069PIN_R6IN
AVSW_R071PIN_R7IN
STMGPIO5
AV_R
AV_L
MAIN_Y/CVBS
RGB_CVBS
PC_VIN
PC_HIN
AVSW_R044PIN_CVBS/Y+COUT3
MAIN_PR
AVSW_R038PIN_Y/Y+C/CVBSOUT4
AVSW_R027PIN_FBOUT/TDET10
MAIN_PB/C
AV-SW_SCL
AV-SW_SDA
R3012
220
R3003
100k
R3013
220
R3005
220
R3004
220
PC/A-IN
E_AV2_SLOW
AUDIO OUT
IIC
AVSW
TUNER
AV2 V-IN
AV3 A-IN
AV3 V-IN
SP OUT
AV1 A-IN
AV2 A-OUT
AV1 A-OUT
YPbPr-IN
AV1_FB
TV OUT
Peaks-COMMON
GND
AV1 V-OUT
AV2_FB
E_AV2 RGB/YC
AUDIO OUT
AV2 A-IN
E_AV1_SLOW
SECAM-AM
AV2 V-OUT
AV1 RGB/YC
AV1 V-IN
PC_HS
PC_VS
PC_HS
PC_VS
PC_VS
PC_HS
SG-TV_SUB_ON
95
92
99
98
96
94
93
91
97
!
+5V
TO 3,6,9,12,17/19
TO 1/19
TO 9/19
TO 9/19
TO 4/19
TO 7/19
TO 10/19
TO 10/19
TO 8/19
TO 10/19
TO 10/19
TO 10/19
TO 10/19
AV SW
A-BOARD (11/19)
Click on the first or last page to see other TX-P42X20B / TX-P42X20E / TX-P42X20L / TX-P42X25E / TX-P42X25ES / TX-PF42X20 service manuals if exist.