Panasonic TX-32LXD500 Service Manual page 217

DG-BOARD
MAIN_CVBS
TO H3
DG3
MAIN_Y/CVBS
QLINK_AV2
AV2_QLINK 1 MAIN_PB/C
QLINK_AV4
AV4_QLINK 2 MAIN_PR
RMCN
RMCN 3 RGB_FB
AI_SENSOR
5
AI_SENSOR
PC_RIN
AFC1
AFC1 6
PC_GIN
KEYSCAN
KEYSCAN 8
PC_BIN
SRQ
SRQ 9
PC_VS
SOS2
10
SOS2
PC_HS
MAIN5V SOUND_MUTE
11
SOUND_MUTE
STB3.3V
12
MAIN5V
14
STB3.3V
LED-R
LED_R 15
SDA_1
SDA1 17
SCL_1
SCL1 18
SDA_2
SDA2 20
SCL_2
21
SCL2
SDA_3
23
SDA3
SCL_3
24
SCL3
RGB_FB
26
FB_OUT
MAIN_CVBS SUB_Y/CVBS
MAIN_CVBS1 28
MAIN_PR SUB_C/PB
MAIN_PR/B
30
MAIN_PB/C SUB_PR
MAIN_PB/C/R
32
MAIN_Y/CVBS
MAIN_Y/V/G 34
SUB_PR
SUB_PR 36
SUB_C/PB
38
SUB_PB/C
SUB_Y/CVBS
40
SUB_CY/Y/V
TO H2
DG2
HDMI_R
HDMI_R 11
HDMI_L
HDMI_L 13
SD_RXD0
SD_RXD0 15
SD_TXD0
SD_TXD0 16
IRD_LED
SD_TIMER_LED 17
SD_RESET
SD_RST 18
SD_IDO
SD_IDO 19
PC_GIN
PC_G
21
PC_BIN
PC_B 23
PC_RIN
PC_R 25
PC_HS
PC_HD 27
PC_VS
PC_VD 29
DVB_R
DVB_R_OUT 31
DVB_L
DVB_L_OUT 33
DVB_CVBS
DVB_CVBS_OUT 35
DV15
DG10
HDMI_INT
HDMI INT 2
SDA_1L
SDA0B
4
SCL_1L
SCL0B 5
HDMI_RST
HDMI RESET 7
JTAG_TMS
JTAG-TMS 9
JTAG_TCK
JTAG-TCK 10
TDO_4PRO_HDMI
JTAG-TDI 11
TDO_HDMI_4L
JTAG-TD0 12
JTAG_TRST
JTAG-TRST 13
HPD
HPD 15
HDMI_RBSTNSS
SOM 16
HDMI_5V_DET
HDMI 5V DET 17
NIRQ 18
MCLK 20
HDMI AUDIO
SCK 22
1bit
CLK
WS 24
SDO
26
EXTCK 28
MAIN3.3V
+3.3V(M) 29
+3.3V(M) 30
HDMI VIDEO
HDMI DATA
31 Y:10bit
UV:10bit
HP/VP/ENB
HDMI DATA 53
CLK
HDMI CLOCK 55
HDMI HS
58
MAIN5V
HDMI VS
59
+5V(M) 60
MAIN9V MAIN3.3V
DG4 3 4 8
TO AP4
TX-26/32LXD500 TX-26/32LX500F/P
Block Diagram (6 of 7)
46 47
IC4005
Q4054 Q4004
AD
Q4061 Q4007
Q4060
Q4058
57
+3.3V(AD)
76
BUFFER
74 CLAMP A/D
+3.3V(M)
72
51
+1.8V(M)
INPUT
SELECT
58
54
A/D
56 CLAMP
OUTPUT
85
FORMATTER
86
SDA_2L
81
SCL_2L
82
IC4001
Q4018 Q4025 GC3FS
Q4019 Q4026
Q4020 Q4024
Q4010
Q4011
Q4012
40 2D
CHROMA
CLAMP COMB.
A/D
BUFFER 30 CLAMP
CIRCUIT
35
CLOCK
SYNC SEP . PLL
SDA_1L
64
SCL_1L
MAIN+2.5V
65
MAIN+3.3V
+2.5V(AD)
+2.5V(PLL)
IC4001
IC4002
MAIN5V
MAIN9V
+5V(M)
+9V(M) 8
HDMI_R
7 AMP 6 10
D/A
HDMI_L
1 AMP 2 11
Q4038-Q4041
MUTE
CONTROL
Q4080
Q4079
Q4078
HDMI R
HDMI L
MUTE
MUTE
Q4077
SUB5V STB5V
SUB9V A9V P5V
9 10 13 14 17 20 21 22 DG5 2 3 4 7 10 11 15 16
TO AP5
48 49
IC4049
AD 3.3V
MAIN5V
2 OUT IN 3
4
VOUT
IC4048
MAIN3.3V
IC4041
MAIN1.8V
MAIN+2.6V
1.8V
MAIN5V
+1.8V 5 VOUT VDD 1
IC4054
Y/UV(10bit)
GC4PRO
H/V,CLOCK
PORT-A(ADV7403)
CLOCK
27MHz
PORT-B(FS&HDMI)
PORT-C(PEAKS)
SCL_2L
SDA_2L
Y/UV(8bit)
H/V,CLOCK
IC4051
CLOCK GEN
Y/UV(10bit)
H/V,CLOCK
X4004
(27MHz)
OSC
IC4011
MAIN2.5V
GENE.
MAIN3.3V
MAIN3.3V
2.5V(PLL) MAIN+3.3V
VO VIN 1
5
VC 5
IC4009
MAIN3.3V
2.5V(AD)
VIN 1
4 VO
5
VC
OSDB
OSDG
OSDR
BLK
IC4008
OSD AD 3.3V
MAIN5V
1 VCONT VOUT 3
5
VIN
SUB5V SUB9V SUB5V
MAIN5V
A9V
17 18 19 22 23 DG1 41 88 96 97
13 14 18 19 22 43 51 52 53 54 57 72 105
TO XV01
50 51
MAIN3.3V MAIN3.3V
IC4055
SD-RAM
2 1
DDR2.6V_PRO
MAIN
4 SD-RAM
+2.6V
MAIN1.2V MAIN3.3V
I/F
R/G/B
3D MAIN PIXEL (8bit)
MULTI WINDOW
AI
COMB. PRO CONV
DIGITAL I/P CONV
CLK
HS/VS
INPUT
I/F
SUB
PRO
OSD (8bit)
I/F
81MHz
95.5MHz
108MHz
74.25MHz
108MHz
27MHz
IC4012
OSD A/D
67 CKXI 27MHz to RGBAD
Q4018 Q4025
Q4019 Q4026
Q4020 Q4024
OSD RGB
110 (12bit)
CLAMP
A/D
41 CLAMP
CIRCUIT
43
IC4014
HSOD
VSYNC 65
2 BUFFER 4 108 VSOD
HSYNC 71
5 VDD CLKOD
CKIN 70
OSDYM
OSD YM 94
MAIN+3.3V
OSDYS
OSD YS
93
MAIN 3.3V
HSOD
AD 3.3V
VSOD
CLKOD
SDA_1L
54 SDA
SCL_1L
SCL
55
DG8 1 4 5 6
107 106 109
TO LCD PANEL
52
IC4044
1.2V
5 VOUT VDD 1
IC4042
IC4061
MAIN 2.5V MAIN3.3V
1.2V
5 VOUT 1 4 VCC 2
VDD OUT
1
CTL
IC4057 MAIN1.8V MAIN3.3V MAIN2.5V
GC4L
H SCALE
INPUT
OSD MIX
V SCALE
1
JUST BACK LIGHT AI
I/F
PANEL RESIZE
OSD OSD
I/F RESIZE
2
3
4
5
6
7
8
MAIN3.3V
VCC
8
IC4052
WP
7
EEPROM
6 SCL
5 SDA
DG15 2 4 5
FOR FACTORY USED
TX-26/32LXD500 TX-26/32LX500F/P
Block Diagram (6 of 7)
53 54