Su/Sd Block Diagram - Panasonic TH-37PW4 Service Manual

13.46. SU/SD Block Diagram

Vf
SU / SD
FSI
FCLK
FCL
PRO
SC41/SC43
Vf5
FSI 31 11
Vf0
FCL 32 12
Vf
FCLK 33 13
PRO 34 14 FSI
35 15
Vf5V
36 16 FCLK
37 17 FCL
Vf0
50 30 PRO
Vf5
SC42/SC44
71 51 FSO2
Vf0 Vf0
Vf
80 60
81 61 FSI
Vf
FCLK
90 70
FCL
PRO
Vf5
FSO3
Vf0
Vf
FSI
FCLK
FCL
PRO
Vf5
Vf0
IC6401/IC6405
81,83
SU1/SD1
85
75 B40 A40
B39 A39
74
86
73
48 PIN
89
OUTPUT
90
To 1st 80 pins of
15
85 SCAN ELECTRODES
B18 A18
14
91
B17 A17
78,79
FSO1
Q6401
IC6402/IC6406
81,83
77
85
76
B1 A1
86
75
SU2/SD2
89
64 PIN B40 A40
OUTPUT B39 B39
90
85 1
91
100
B25 A25
B24 A24
78,79
To 2ND 80 pins of
SCAN ELECTRODES
IC6403/IC6407
81,83
85 77
76
86
75
89
64 PIN B2 A2
OUTPUT B1 A1
90
SU3/SD3
85 1
B40 A40
91 100
78,79
B33 A33
B32 A32
IC6404/IC6408
81,83
85 77
To 3rd 80 pins of
SCAN ELECTRODES
76
86
75
89
64 PIN
OUTPUT
90
85 1
100
91
B1 A1
78,79
Note:
Vf
SCAN OUT PUT PULSE
0 V
Vf5V
VCC FOR SIFT RESISTORS
5 V
0 V
Vf0
SU/SD BOARD GROUND VOLTAGE (FLOATING GROUND)
0 V
ADDRESS
(SCAN)
PERIOD
115
TH-42PW4 / TH-42PWD4