A-Board (17/19) And K-Board Schematic Diagram - Panasonic TC-P50X20P Service Manual

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12.18. A-Board (17/19) and K-Board Schematic Diagram

A-BOARD (17/19)
!
TO
P-BOARD
Panel-D
(P6)
P15V
TP9196
C9106
C9108
25V
25V
10u
0.01u
TP2810
STB5V
TPST5
C2824
10V
10u
TO Sheet Standby-MPU
R2820
TPS0N
100
TO 3,6,9,
STMGPIO5
sLD-STMGPIO5
11,12/19
SG-TV_SUB_ON
TO Sheet Analog-ASIC
TP2805
TO 12/19
STB_5V_SWON
R2823
47k
STB5V
TP2750
R2750
SG-SRQ_GENX
100
TP2751
TO 3,6/19
STMGPIO3
TP2752
ADJ-STM_SCL
TP2753
ADJ-STM_SDA
TO 1/19
TP2754
ADJ-PEAKS_SCL
TP2755
ADJ-PEAKS_SDA
AR_STB_SCL02
PANEL_SCL2
TO 13/19
AR_STB_SDA02
PANEL_SDA2
145
146
SET
R2884
P
C2885
C2886
C2871
IC2870
25V
25V
25V
S_15V
TPS15V
10u
10u
10u
A6
C0DBAYY00462
1
+15V_S
1
BOOT
+15V_S
2
R2875
39
3
2
+15V_C
VIN
SUB5.6V
TP2870
C2872
L2870
25V
4
S_GND
SUB6V
G1C101MA0416
0.01u
3
SW
5
S_GND
C2874
C2873
F15V
10V
10V
6
GND
TPF15V
L2871
10u
10u
4
GND
J0JHC0000075
7
F+15V
D2870
8
F+15V
C2884
C2883
B0JCME000092
1u
47u
9
F+15V
25V
25V
10
GND
11
GND
TO
P-BOARD
A7
(P7)
1
STBY5V
2
GND
Panel-D
S0
TP2820
3
R9191
100
P_S0
TP2821
TO 13/19
S1
4
R9190
100
TP2803
P_S1
5
TUNER_SUB_ON
(F_STBY_ON)
6
ECO_ON
TP2822
PANEL_MAIN_ON
R9145
7
100
TO 6,13/19
PANEL_MAIN_ON
8
STBY5V_SW
TP2823
SOS4_PS
R9120
9
100
TO 12,13/19
SOS4_PS
10
N.C.(AC_LOW)
11
ALL_OFF
*SW001
TP2824
12
MAIN_SW_1
K0F122A00031
13
N.C.
MAIN_SW_2
TP2825
14
FOR
CN0102
FACTORY
USE
1
STB5V
2
SRQ
3
GND
4
GenX8_SCL
(GenX8 Loarder/E2PROM)
5
GenX8_SDA
(GenX8 Loarder/E2PROM)
6
PEAKS_SCL3
(PEAKS E2PROM)
7
PEAKS_SDA3
(PEAKS E2PROM)
8
Panel_SCL
(Panel Dpr.E2PROM)
9
Panel_SDA
(Panel Dpr.E2PROM)
10
IIC_CONT
(Genx7_SRQ)
11
SD_boot_mode
FACT_SDBOOT
TO 6/19
147
148
C2877
8
50V
0.022u
SS
R2871
"H": ON
10k
"L": OFF
7
DCDC_CTL1
TO 16,19/19
EN
R2870
C2878
2.2k
4700p
6
50V
COMP
5
FB
TP2871
R2873
R2872
10k
1.5k
1%
1%
R2874
STBY3.3V
RM2510
B3RAD0000168
REMOTE RECEIVER
SUB3.3V
C2521
SN2510
R2513
R2510
16V
22k
47
0.1u
B3JB00000078
C.A.T.S. SENSOR
R2516
C2511
C2510
3 VCC
NC
4
680
10V
50V
10u
0.01u
Q2512
Q2510
DSC200100L
2 GND
GC1
5
DSC200100L
R2511
100k
R2514
R2515
1 IOUT
GC2
6
R2512
47k
10k
220k
VJ2512
!
K-BOARD TXN/K1LHUT42
149
150
58
R2882
7.15k
1%
R2880
14.3k
1%
R2881
R2883
6.65k
1.74k
1%
1%
F
+/
-/
TV
AV
KEY_SCAN
TO Sheet Standby-MPU
TP2804
NORMAL SOS
EA11
PG-FAN_SOS
TO 3,6/19
R2816
47k
TP2760
TP2758
TP2759
DEVELOP_SCL1
TO 1/19
DEVELOP_SDA1
C2515
50V
0.01u
TP2756
TP2757
D2520
B3AGB0000060
DEVELOP_SCL2
TO 1,19/19
POWER LED
DEVELOP_SDA2
R2519
1.82k
Q2511
DSC200100L
R2518
R2517
22k
47k
K1
A1
TP2874
TP2501
REMOCON
TP2875
1
1
RMIN
TP2502
TP2878
G_LED_ON
2
G_LED_ON
2
TP2503
TP2879
R_LED_ON
3
3
R_LED_ON
TP2504
TP2877
STB3.3V
STBY3.3V
4
4
STB3.3V
5
5
GND
R2878
TP2506
TP2876
AI_SENSOR
6
6
AI_SENSOR
S
7
7
R2879
C2879
GND
AV3.3V
25V
180k
TP2508
TP2873
0.01u
SUB3.3V
1%
8
8
SUB3.3V
TP2505
R2753
10k
1
SDA
8
TMP-SENS_SDA
V+
TO 1/19
TEMP
2
7
TMP-SENS_SCL
SCL
SENSOR
A0
3
6
ALERT
A1
4
GND
5
A2
IC1000
C1ZBZ0003775
151
152
TO 6/19
TO Sheet Standby-MPU
STMRMIN
TO 3,6/19
SG-RMIN
sLD-STMRMIN
SG-G_LED_ON
TO 6/19
sLD-STMTIME0
TO 3,6/19
STMTIME4
SG-R_LED_ON
(sLD-STMTIME4)
SG-AI_SENSOR
TO 6/19
sLD-STMADIN0
SUB3.3V
C2751
25V
1u
153

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