A-Board (22/26) And K-Board Schematic Diagram - Panasonic TX-P42VT20E Service Manual

13.27. A-Board (22/26) and K-Board Schematic Diagram

! A-BOARD (22/26)
GenX TO 7/26
R0180
100
SG-SRQ_GENX
ADJ-GENX_SCL
TO 1,14/26
ADJ_GENX_SDA
PEAKS_SCL1
TO 1/26
PEAKS_SDA1
PANEL_SCL2
TO 15/26
PANEL_SDA2
TO 15/26 IIC_CONT/C_SEL
TO
P-BOARD S_15V
A6
(P6) TPS15V
1
+15V_S
2
+15V_S
3
4
S_GND
5
S_GND
F15V
6 TPF15V
S_GND
PA5610
K5H4022A0031
7
F+15V
8
F+15V C2758
25V
9 47u
F+15V TP2810
10
GND
11
GND
TO
P-BOARD
A7 STB5V
(P7) TPST5
1
STBY5V
2 C2760
GND
16V
10u
3
S0
4
S1
R2824
TPS0N
100
5
F_STBY_ON
R2831
TPEC0
6
ECO_ON
TP2806
7
PANEL_MAIN_ON
TP2805 R2827
8
STB_SW
S
9
PS_SOS
10
AC_LOW
R2830
TP2814
47k
11
ALL_OFF
TP2811
12
Main_SW_1
13
N.C
TP2812
14
Main_SW_2
190 191
Set-PDP
GenX8 TO 7/26
CN0102
FOR
FACTORY FACT_SDBOOT
USE
TP0101
1
STB5V
TP0102
2 GenX8_SRQ
3
GND
TP0104
4
GenX8_SCL1 (GenX8 Loarder/E2PROM)
TP0105
5
GenX8_SDA1 (GenX8 Loarder/E2PROM)
TP0106
6
PEAKS_SCL1 (PEAKS E2PROM)
TP0107
PEAKS-DEST
7
PEAKS_SDA1 (PEAKS E2PROM)
TP0108
8 Panel_SCL (Panel Dpr.E2PROM) TO 4/26
TP0109
Panel_SDA (Panel Dpr.E2PROM)
9
TP0110
10 GenX7_SRQ
TO 1,26/26
NC(D_PDB_MODE) R1004
11
S
TO 15/26
TO 14,15/26
IIC TO 1/26
R1010 SUB3.3V
10k
1 8
SDA
TMP-SENS_SDA
V+
C1009 C1010
2 SCL 7
TMP-SENS_SCL 16V
A0 25V
0.1u
1u
3 ALERT 6
A1
4 5
GND
A2
IC1000
C1ZBZ0003775
TEMP SENSOR
Standby-MPU
TO 7/26
RS232C_SBI
RS232C_SBO
DCDCIN
C2759
25V
1u
GenX TO 7/26
SG-TV_SUB_ON
47k
STB-RESET TO 14/26
STB_5V_SWON
SW2500
K0F122A00031
POWER SWITCH
192 193
STB5V
CN0101
FOR
FACTORY
TP1062
USE
1
STB5V
2
SD_BOOT_MODE
FAN A-C
*A8
3
IIC_CONT/SRQ
FAN_Vcc_1
4
IIC_CONT
5 GND_1
Panel_SCL (Panel Dpr.E2PROM)
FAN_SOS_1
6
Panel_SDA (Panel Dpr.E2PROM)
TP1052
7 FAN_Vcc_2
NC (Device Control) AVC:PEAKS_SCL1
GND_2
8
AD_SBI0 PEAKS_SBI0
TP1053
AD_SBO0 9 FAN_SOS_2
AVC:PEAKS_SDA1
NC (Device Control)
FAN_Vcc_3
10
PEAKS_SBO0
TP1054
11 GND_3
PEAKS_SCL0 PEAKS_SCL0 (Device Control) sLD:PEAKS_SCL2
PEAKS_SDA0 TP0153 FAN_SOS_3
12
Panel_TXD
TP1055
13 FAN_Vcc_4
PEAKS_SDA0 (Device Control) sLD:PEAKS_SDA2
AR_TXD_PC TP0155
14 GND_4
AR_RXD_PC Panel_RXD
TP1056
FAN_SOS_4
15
PEAKS_SCL2 (Device Control) sLD:PEAKS_SCL0
16
NC(REMOCON)
GENX7_SCL
TP1057
17
GENX7_SDA PEAKS_SDA2 (Device Control) sLD:PEAKS_SDA0
18
NC(LED_R)
19
GND
20
NC(D_PDB_MODE)
TP2780 TP2781
*IC2780
C0ZBZ0001361
STB3.3V
RS232C
DRIVER
*C2780
*R2780 20 EN 1
10V FORCEOFF
100
1u *R2788
19 2
C1+ 0
VCC
*C2781
*C2782
18 V+ 3
16V 16V
*R2781 GND *D2780
0.1u 0.1u
100 B0BC01600013
17 4
C1-
T1OUT
*D2781
16 C2+ 5
B0BC01600013
R1IN
*C2783
*R2782
16V
100 15 C2- 6
0.1u
R1OUT *R2789
0
14 7
V-
FORCEON
*C2784
16V
13 T2OUT 8 *D2782
0.1u
T1IN B0BC01600013
12 9
*R2783 R2IN
T2IN *D2783
100
B0BC01600013
11 R2OUT 10
INVALID
*R2784
100
C2515
RM2510
0.01u
B3RAD0000168
D2520
R2513 R2510 REMOTE RECEIVER
B3AGB0000060
22k 47
POWER LED
R2516 R2519
787 1.96k
3 VCC NC
C2511 C2510 C2521 4
10V 50V 16V Q2512
Q2511
0.01u 0.1u
10u
DSC200100L
DSC200100L
2 GND GC1 5
Q2510
DSC200100L 1 IOUT GC2 6 R2514 R2515 R2518 R2517
R2511
10k 47k 47k
100k
SN2510
B3JB00000078
R2512
VJ2510
220k C.A.T.S. SENSOR VJ2511
D2521
B3AEA0000099
SD LED
VJ2512
R2527
100
! K-BOARD TXN/K1LVUE
194 195
77
*IC2801
C0DBAYY00462
FAN CONT.
*C2806
*C2803
25V
*R2801 25V
0.01u 0.1u
39
1 BOOT 8
F15V SS
TP2801
*R2818
1k
2 7
VIN
EN
*C2802
*C2807
TP2803 25V
25V R2819
0.1u
10u 47k
3 6
SW
COMP
*D2801
*C2809
*C2801 *R2805 *R2806
TP2802 B0JCME000092 *C2805
25V 7.5k 249
25V 50V
10u 4 GND 5
10u 4700p
FB
*L2803
G1C330MA0416 *R2803 *R2802
20k
1k
R2833
P
*D2809
B0BC010A0007
1
*R2815
2
470
3
*R2814 *D2810
4.7k B0ACCJ000048
4
SUB5V
5
6
7 *R2856
EXB28V472JX
TP2804
NORMAL SOS
8
9
*D2802 *C2821
*D2811
B0ADCJ000100 25V R2816
DZ2J033M0L
47k
10 0.1u
11
12 *D2803
B0ADCJ000100
*R2863
0
*JK2780
K4AK03A00001
RS-232C
*R2785
100
RXD
TXD
*R2786
100
R2552
7.15k
R2550
14.3k
R2551
6.65k
SW2550 SW2551 SW2552 SW2553
K0H1BA000445 K0H1BA000445 K0H1BA000445 K0H1BA000445
50V
F + -
22k
TP2751
K1 A1
TP2501 TP2752
1 RMIN 1
TP2755
TP2502 G_LED_ON
2 2
TP2503 R_LED_ON TP2756
3 3
TP2504 TP2754 STB3.3V
4 STB3.3V 4
5 5
C2752
R2753
TP2753 25V
TP2506 R2751 1k
6 AI_SENSOR 6 0.01u
S
7 7 R2752
TP2757 180k
TP2508 SUB_AI_3.3V
8 SUB3.3V 8
TP2758
SD-LED
9 9
SUB5V
10 10
TP2505
11 11
*R2851
22k
*R2853
1k
*R2850
100
*Q2850
DSA200100L
*R2854
*Q2851
DSC200100L
196 197
GenX TO 7/26
PG-MAIN_FAN_ON
PG-FAN_MAX
R2807
47k
PG-FAN_SOS
TO 7/26
KEYSCAN
SG-KEY1
C3752
R2553
50V
1.74k
1000p
SW2554
K0H1BA000445
TV AV
GenX TO 7/26
SG-RMIN
SG-G_LED_ON
SG-R_LED_ON
SG-AI_SENSOR
C2753
10V
1u
TO 23/26
*R2855
1k SD_LED_ON
PD_XDSR0
100k
198