Dg-Board (2 Of 2) Block Diagram - Panasonic TH-42PD50U Service Manual

13.27. DG-Board (2 of 2) Block Diagram

TO
DV15
DG15 31 32 45 53 33 34 36 44 58 59 55 9 10 11 12 13 60 29 30 4 5
1
MAIN 5V
2 MAIN 3.3V
3
IC4002
AUDIO DAC
RX_MCLK
1 MCLK
RX_SCK
2 BICK
RX_SD0
3
SDTI
RX_WS
4 LRCK
Q4051
6 SMUTE/CSN
5 PDN
4
MAIN 3.3V
IC4024
CLOCK GEN.
1 CLKC 95.5MHz
8 CLKE 108MHz
6 XBUF 27MHz
5
OSD_YS
OSD_YM
PORT_D PORT_C
R00~R04
(OSD INPUT)
G00~G05 (PEAKS)
B00~B04
D/A 10bit
110MHz
PICTURE
RGB
D/A 8bit
IMPROVEMENT
PROCESSOR
2
CTI,CRI
AI
DSC
D/A OSD
CONT
IC4026
PORT_E
GC4PRO
(RGB OUT)
6
7
8
TH-42PD50U
DG-Board (2 of 2) Block Diagram
15 2 7 16 17 18 24 26 22 20
IC4004
SWITCHING
SDA0 1
2
SDA0B Q4067 3
4
SCL0 8
9
Q4066
SCL0B 10
11
MAIN 9V
IC4001
SYNC SEP
5 R
7
SCL
AOUTL 11 6 IC4008
SDA
2 L
256K EEPROM
1
WP
AOUTR 10 3
Q4052
HDMI_L
HDMI_R
MUTE
Q4058 Q4055
Q4057
Q4059
Q4056
XTALIN 4
X4004
27MHz
XTALOUT 5
CLKA 81.0MHz 10
(PLL) VCO IN
YIN0~YIN7
UVIN0~UVIN7
HSIC
VSIC
LVDS TRANSMITTER(10bit)
CLKIN
ROE0~ROE9 ROE0~ROE9
GOE0~GOE9 GOE0~GOE9
3
BOE0~BOE9 BOE0~BOE9
VSOE
57 TC5
HSOE
TC4
55
CLKOE
12 CLKIN
IC4005
13
MAIN MICOM
5
SCL0A 56 SCL0A
SDA0A
55 SDA0A
6 Q4004
SCL0B
24
OSC1 100
23 SDA0B
12
SCL1 116 SCL1
OSC2 99
SDA1 SDA1
117
108 BA_SW RTCX1 12
SCL2 84 SCL2
SDA2 SDA2
85 RTCX2 13
6 SCL0A
5 SDA0A
Q4012
7 68 WP
66 A_DAC_PD
RESET 125
Q4054 Q4053 67 AUDIO MUTE
SD_BOOT 61
HPD
69 HPD
HDMI_ROBA
HDMI_ROBA
107
HDMI_INT
87 HDMI_INT
HDMI_RST
114 HDMI_RST
CC_MAIN
2 MAIN 5V DET
CC_MAIN
78 CVBS0
SOS
111 POWER SOS
LED_R
26 LED_R
SRQ
MAIN_SW 105
60 SRQ
MONI_DEF
92 MONITOROUT_DEF
MAIN_DEF SBO1 103
93 MAIN_DEF
SBI1 104
SP_MUTE
113 SP MUTE
SP_SHORT VMUTE 90
15 SP_SHORT
KEY1
STATUS 89
97 KEYSCAN1
KEY2 110
PANEL_SOS
94 KEYSCAN2
KEY3 PANEL_STB_ON 115
Q4001 86
KEYSCAN3
RM_IN
FAN_CONT 159
Q4006 Q4007 102 REMOTE IN
FAN_SOS 145
27 LVDS_PD
ECO_ON 106
46 R00
RO0-R04
RF_AFT 96
16
42 R04 SW_OFF_DET
BS_RST 59
39 G00
GO0-G05
VOUTENB 58
OSD
34 G05
IC4025
33 B00
BO0-B04
29 B04
TUNER_MAIN_ON 21
OSD_YS
52 OSD_YS
TUNER_SUB_ON 22
OSD_YM
/PDWN 13
53 OSD_YM
TA-
31
TA+
30
TB-
29
TB+
28
TC-
25
TC+
10Bit LVDS
24
TCLK-
23
TCLK+
22
TD-
21
TD+
20
TE-
19
TE+
18
83
TO
STB 5V
DG3
D3
12
STB 5V
VMUTE
6 DISPEN(DRVMUTE)
STATUS
7 READY(STATUS)
PANEL_SOS
8 ALARM(PANEL_SOS)
SCL1 19 IIC_CLK(SCL1)
X4002
SDA1 IIC_DATA1(SDA1)
20
PANEL_STB_ON
11 PANEL_STB_ON
FAN_MAX
1 FAN_MAX(FAN_CONT)
FAN_SOS
3
FAN_SOS
X4001
ECO_ON
4 ECO_ON
IC4006
TUNER_SUB_ON
TUNER_SUB_ON
14
(F_STBY_ON)
BT30V TO BT30V
DG22
4M
DT12
FLASH
8
ROM
BS_SUB9V 51
BS_SUB9V
52
RESET
53
SUB5V SUB5V
54
RESET
57
SDA0B 34 SDA_TV
SCL0B 35 SCL_TV
SCL0
SCL0 32
SDA0 33 SDA0
JTAG_TRST
JTAG_TRST
30
36 MAIN_SW
37
AFT1
SRQ
VMUTE 16 SDBOOT
Q4009
SRQ
23 SRQ
STATUS
SBO1
19 SBO1
PANEL_SOS
SBI1
PANEL_STB_ON 18 SBI1
Q4008
SW_OFF_DET
FAN_MAX
Q4062 15 SW_OFF_DET
FAN_SOS
22 XRST
ECO_ON
20 VOUTENB
105 BS_UVIN7
97 BS_UVIN0
96 BS_YIN7
88 BS_YIN0
TUNER_MAIN_ON
107 HSIC
TUNER_SUB_ON
106 VSIC
TUNER_SUB_ON
109 CLK
MAIN_L
60 MAIN_L
MAIN_R
58
MAIN_R
BS_SL
41 BS_SL
BS_SR
43 BS_SR MONITOR
BS_Y(V)
45 BS_Y(V) OUT
BS_C
47 BS_C
VIDEO_OUT
13 VIDEO_OUT
AN_V
6 AN_V
DG5 TO D5
2
TX_TA-
3 TX_TA+
5 TX_TB-
6 TX_TB+
8 TX_TC-
9 TX_TC+
TX_TCLK-
11
12 TX_TCLK+
14 TX_TD-
15 TX_TD+
17
TX_TE-
18 TX_TE+
TH-42PD50U
DG-Board (2 of 2) Block Diagram
TH-42PD50U