A-Board (7/12) Schematic Diagram - Panasonic TC-L42U22 Service Manual

11.8. A-Board (7/12) Schematic Diagram

! A-BOARD TXN/A10QHMS (7/12)
55 56
IC4700
C1ZBZ0004161
ANALOG-ASIC
STB5V SUB5V
C4700 1
UHZ
SC_OHZ
6.3V 1u
C4779 2
P3.3V
D_SOS_RSV
6.3V 10u
*R4742
C4772 3
15 TEST
SS_SOS8
TO 1/12 16V 0.1u
4
PANEL_SOS
SOS
D4703 D4704 SC_SOS7
B0JCME000076 B0ACCJ000048 STB1.2V C4707
5 DRVRST_PD4
10V 1u SC_SOS6
6 STB1.2V
R4703 P_SOS4
10
7 STB5V
STB5V_SW_ON
8 STB3.3V
DRVRST
9
TO 6/12 MUTE AMP_MUTE AMUTE
STB_RST
STB3.3V R4869
C4706 10 SP_MUTE
CD
10V 1u S
C4704 11 MUTE_VCC
*R4868 10V EN_DCDC
SUB5V 0 100u
12 AUDIO_MUTE_IN
DTV5VIN
13 DTB9V
DTV5VOUT
14 MONITOR_MUTE
DRV
15 FB
PGND
16 GND
FC
57 58
STB3.3V SUB1.2V STB3.3V SUB1.8V STB3.3V SUB5V
R4809 R4831 R4821 R4830 R4748 R4753
10k 100k 10k 100k 10k 10k
Q4703 Q4704 Q4702
32
DSC2001S0L DSC2001S0L DSC2001S0L
R4752
31 10k
30
29
TO 12/12
AG_SOS
28
27
26 TO 12/12
STB5V_SW_ON
STB3.3V
R4811
25
S
R4711
24 4.7k
C4705
23 16V 0.1u
TO 1,3,4/12
MCU_XRST
*R4799
22
S
21
20
19
18
17
59 60
44
61 62 63