Dg-Board (2 Of 2) Block Diagram - Panasonic TH-42PM50U Service Manual

TH-42PM50U

13.22. 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
1
MAIN 5V
2
3
RX_MCLK
RX_SCK
RX_SD0
RX_WS
Q4051
4
MAIN 3.3V
1
8
6
5
OSD_YS
OSD_YM
PORT_D
R00~R04
G00~G05
(OSD INPUT)
B00~B04
PICTURE
RGB
IMPROVEMENT
PROCESSOR
CTI,CRI
AI
DSC
IC4026
GC4PRO
(RGB OUT)
6
7
TH-42PM50U
DG-Board (2 of 2) Block Diagram
29 30 4 5 15 2 7 16 17 18 24 26 22 20
SDA0
MAIN 3.3V
Q4067
SDA0B
SCL0
Q4066
SCL0B
IC4002
AUDIO DAC
MAIN 9V
1 MCLK
IC4001
2 BICK
AUDIO AMP
3 SDTI
LRCK
4
5 R
7
6 SMUTE/CSN AOUTL 11 6 IC4008
5 PDN 2 L
256K EEPROM
1
AOUTR
10 3
Q4052
HDMI_L
HDMI_R
MUTE
Q4058
Q4057
Q4059
IC4024
CLOCK GEN.
CLKC 95.5MHz XTALIN 4
X4004
27MHz
CLKE 108MHz XTALOUT 5
XBUF 27MHz CLKA 81.0MHz 10
(PLL) VCO IN
ROE0~ROE9 ROE0~ROE9
D/A 10bit GOE0~GOE9 GOE0~GOE9
110MHz 3
BOE0~BOE9 BOE0~BOE9
VSOE
D/A 8bit
2
HSOE
D/A OSD CLKOE
CONT
PORT_E
IC4004
SWITCHING
IC4005
1
13
MAIN MICOM
2
3
5
SCL0A 56 SCL0A
4
SDA0A 55 SDA0A
8
Q4004
6
9 24 SCL0B
SDA0B
10 23
12
SCL1 116 SCL1
11
SDA1 117 SDA1
BA_SW
108
SCL2 84 SCL2
SDA2 85 SDA2
SCL 6 SCL0A
5
SDA SDA0A
Q4012
WP 7 68 WP
66
A_DAC_PD
Q4055 Q4054 Q4053 67
AUDIO MUTE
HPD
69 HPD
HDMI_ROBA
107 HDMI_ROBA
HDMI_INT
87 HDMI_INT
Q4056 HDMI_RST
HDMI_RST
114
CC_MAIN
MAIN 5V DET
2
CC_MAIN
78 CVBS0
SOS
111 POWER SOS
LED_R
26 LED_R
SRQ
60
SRQ
MONI_DEF
92 MONITOROUT_DEF
MAIN_DEF
93 MAIN_DEF
SP_MUTE
113
SP MUTE
SP_SHORT
15 SP_SHORT
KEY1
97 KEYSCAN1
KEY2
PANEL_SOS
94
KEYSCAN2
KEY3
Q4001 PANEL_STB_ON
86 KEYSCAN3
RM_IN
Q4006 Q4007 FAN_CONT
102 REMOTE IN
FAN_SOS
27 LVDS_PD
46 R00
RO0-R04
42 R04 SW_OFF_DET
39 G00
GO0-G05
34 OSD
G05
IC4025
33 B00
BO0-B04
LVDS TRANSMITTER(10bit)
29 B04
TUNER_MAIN_ON
OSD_YS
52
OSD_YS
TUNER_SUB_ON
OSD_YM
/PDWN 13
53 OSD_YM
TA-
31
TA+
30
TB-
29
TB+
28
TC-
25
TC+
10Bit LVDS
24
57 TC5 TCLK-
23
TCLK+
55 TC4 22
TD-
21
TD+
CLKIN
12
20
TE-
19
TE+
18
78
STB 5V
VMUTE
STATUS
PANEL_SOS
OSC1 100
SCL1
X4002
SDA1
OSC2 99 PANEL_STB_ON
FAN_MAX
RTCX1 12
FAN_SOS
X4001
ECO_ON
RTCX2 13
IC4006
TUNER_SUB_ON
4M
FLASH
ROM
RESET
RESET
RESET 125
SBO1
SBO1 103
SBI1
SBI1 104
VMUTE
Q4009
VMUTE 90
STATUS
STATUS 89
PANEL_SOS
110
PANEL_STB_ON
Q4008
115
FAN_MAX
Q4062
159
FAN_SOS
145
ECO_ON
ECO_ON 106
SW_OFF_DET
16
TUNER_MAIN_ON
21
TUNER_SUB_ON
22
TUNER_SUB_ON
TH-42PM50U
DG-Board (2 of 2) Block Diagram
DG3 TO D3
12 STB 5V
6 DISPEN(DRVMUTE)
7 READY(STATUS)
8 ALARM(PANEL_SOS)
19 IIC_CLK(SCL1)
20 IIC_DATA1(SDA1)
11 PANEL_STB_ON
1 FAN_MAX(FAN_CONT)
3 FAN_SOS
4 ECO_ON
TUNER_SUB_ON
14
(F_STBY_ON)
DG5 TO D5
2 TX_TA-
3
TX_TA+
5 TX_TB-
6 TX_TB+
8
TX_TC-
9 TX_TC+
11 TX_TCLK-
TX_TCLK+
12
14 TX_TD-
15 TX_TD+
17 TX_TE-
18
TX_TE+