Block Diagram (3 Of 3) - Panasonic TC-19LX50 Service Manual

8.3.

Block Diagram (3 of 3)

V-BOARD
V1
R(+)
2
R_hp(+)
7 Q1002 Q1004
L_hp(+) R LED DRIVE G LED DRIVE
6
L(+)
5
L_ch(-)
3
D1008
R_ch(-) Q1008
4 POWER LED
10
11
Q1007
12
13
15
RM1001
16
REMOTE CONTROL SENSER
R1032
SN1001 R1031
C.A.T.S. SENSOR
R1005
1
2
3
4
5
6
1 AVR 2 1 AVR 2
5 5
IC4025
IC4026
SDRAM PLL 1.8V
DDIF/OUT PLL 3.3V
7
8
9
10
11
12
TC-19/23LX50, TC-19/23LE50 Block Diagram (3/3)
16 17
V2
L_ch(+)
1
SPEAKER(L)
L_ch(-)
2
R_ch(-)
3
SPEAKER(R)
R_ch(+)
4
7
L_ch(+)
6
L(+)
L_hp(+) 2 JK1001
R_hp(+) 3
HEADPHONE
R(+) 4
R_ch(+) 5
1
FACTORY USED
A16 1 2 4
IC4014
LCD PROCESSOR
GC4U
SYNC
DIGITAL
PIXEL CONV
V-POS LCD AI
I/F
HPK
Y GAMMA
H-SCALE V-SCALE NR
RGB
MATRIX
OSD MIX
SDRAM PLL 1.8V
DDIF/OUT PLL 3.3V
INTERFACE OSD RGB GAMMA
FIFO
SDRAM SDRAM I/F CORR
I/F I/F1 I/F2
RESET 3.3V(M)
IC4027
ADDRESS DATA
64M SDRAM
+3.3V(M)
18 19
FACTORY USED
5 6 7 A17 2 4 5 6 7
APWM INV_ADIM
INV_PWM
PWRPWM
BACK
IC4028
CORR LIGHT
PWM LVDS DRIVER
RX0-
BUFFER
R/G/B RX0+
(8bit)
RX1-
CLK TTL
RX1+
PARALLEL
HS/VS
DATA RX2-
LCD I/F
RX2+
LVDS RXCLK-
CONV
1.8V(M) RXCLK+
RX3-
LCD MUTE
RX3+
+3.3V
20
17
TC-19LX50 / TC-23LX50 / TC-19LE50 / TC-23LE50
LCD PANEL
A5 LCD PANEL CN11
2 2
RX0-
4 RX0+ 4
6 RX1- 6
8
8 RX1+
RX2- 10
10
RX2+ 12
12
PANEL CONTROLLER
14 RXCLK- 14
16 RXCLK+ 16
18 RX3- 18
20
20 RX3+
26
26 +5V(P)
27
27 +5V(P)
28 +5V(P) 28
29 +5V(P) 29
30 +5V(P) 30
BACK LIGHT
INVERTER
CN1 1 2 3 4 5 11 12 13 14
TC-19/23LX50, TC-19/23LE50 Block Diagram (3/3)
21 22 23