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