Block Diagram (4 Of 4) - Panasonic TC-32LX50 Service Manual

TC-32LX50 / TC-26LX50
8.4.

Block Diagram (4 of 4)

DG-BOARD
21
22
IC4051
CLOCK GEN
81MHz to 4PRO(VCOIN)
95.5MHz to 4PRO(EXCLKIN)
108MHz to 4PRO(FRCLKIN)
CLOCK
74.25MHz to 4L(EXCLKIN)
GEN
108MHz to 4L(FRCLKIN)
X4002
27MHz 27MHz to ADV7403/GC3E
+3.3V
23
24
25
26
IC4042
MAIN+2.5V
+2.5V
27
28
29
30
31
32
33
34
35
36
37
38
39
40
DG13 1 2 4 5 6 7 DG12 1 2 4 5 6 7
FACTORY USED
FACTORY USED
TC-32/26LX50 Block Diagram (4 of 4)
28 29
VIDEO PROCESSOR IC4055
IC4054
(GC4PRO)
DDR
3D
Y/C DDR 128M IC4048
DIGITAL
I/F
INPUT +2.6V(DDR)
DDR+2.6V
I/F
RESIZE +2.6V(DDR) +2.6V
MIX
+3.3V(M)
NR
I/P CONV.
+1.2V(M)
EXTCK
81MHz(VCOIN)
IC4044
PIXEL CONV.
95.5MHz(EXCLKIN)
PLL+1.2V
108MHz(FRCLKIN)
AI
RESET +1.2V(PLL) +1.2V
GAMMA
BOARD TEST
SCL2
S CLOCK2
SDA2
S DATA2
IC4057
VIDEO PROCESSOR
(GC4L)
BOARD TEST
74.25MHz
+2.5V(M)
108MHz +3.3V(M)
RESET BACKLIGHT AI +1.8V(M)
IC4047
OSD
PLL+3.3V
(16bit)
OSD MIX
+3.3V(PLL) +3.3V
PWM OUT SCL2
S CLOCK2
SDA2
S DATA2
+3.3V(M)
IC4052
EEPROM(AI)
30 31 32
24
IC4033
PANEL I/F
LVDS DRIVER
+3.3V(M)
IC1106
EEPROM
STB+3.3V
SDA0A
SCL0A
MEMORY
IC1104
FLASH MEMORY
STB+3.3V ADDRESS
RESET
DATA
IC4067
CPU BUS
STB+3.3V
RESET IC1101
RESET
MICOM WP
XI
INVERTER SOS
X1101
RESET XO INVERTER ON
MP-24V_ON
SDA0A +24V ON
S DATA0A KEY_SCAN
SCL0A KEY SCAN
S CLOCK0A TV_SOS
TV SOS
MSDA0B
M S DATA0B A_MUTE
MSCL0B A MUTE
M S CLOCK0B A_MON_DEF
A MON DET
SDA1
S DATA1 AI_SENSE
AI SENSE
SCL1
S CLOCK1 SP_MUTE
SDA2 SP_MUTE
S DATA2 HDMI_INT
HDMI INT
SCL2
S CLOCK2 SW_OFF_DET
SW OFF DET
ZERO_X_DET
ZERO X DET
SRQ
SRQ
A_DAC_PD
A D/A PD
CVBS0
HDMI_A_MUTE
HDMI A MUTE
HPD
HOT PLUG DET
PANEL_VCC_ON
PANEL 5V ON
RESET(GC4) MAIN_ON
MAIN ON
AC_ON
OSD DATA AC_ON
R_LED_ON
(16bit)
R-LED
OSD OUT
G_LED_ON
H/V/CLK (16bit) G-LED
HDMI_RST
RESET ( HDMI )
HDMI_RBSTNSS
HDMI_RBSTNSS
MAIN+9V SENSE
REMOTE
REMOTE
SUB+5V SENSE MAIN_SW_DET
MAIN SW DET
SUB+9V SENSE
AFT
AFT
33 34
TO LCD PANEL
DG7
RX3(+)
5
6 RX3(-)
8 RX-CLOCK(+)
9 RX-CLOCK(-)
RX2(+)
11
12 RX2(-)
14 RX1(+)
RX1(-)
15
17 RX0(+)
18 RX0(-)
26 PANEL+5V
PANEL+5V
27
28 PANEL+5V
29 PANEL+5V
30 PANEL+5V
TO LCD PANEL
DG6
(INVERTER)
2 INV_SOS
3 INV_ON
4 CURRENT
INV_PWM
5
TC-32/26LX50 Block Diagram (4 of 4)
35 36