Printed Wiring Board - Display Board; Schematic Diagram - Display Board - Sony STR-KM22 Service Manual

5-32. PRINTED WIRING BOARD – DISPLAY Board –
1 2 3
A
DISPLAY BOARD
B
C
D
5-33. SCHEMATIC DIAGRAM – DISPLAY Board –
1 2 3
A
DISPLAY BOARD
VACUUM FLUORESCENT DISPLAY
B
54 53 51 34 33 31 29
CL119
C104
1
D101
C
UDZVTE-172.0B
R111 75
R110 75
R109 75
R108 75
R107 75
R112 75
D
E
F
STR-KM22/KM55/KM77
• See page 14 for Circuit Boards Location.
4 5 6
VACUUM FLUORESCENT DISPLAY
CL110
C101
CL119
54 53 51 34 33 31
4 5 6
ND101
27 23 21 17 15 14 12 10 8 5 4 2 1
R116 R115
10 10
CL116
C113
0.1
C109
0.1
C103 56P R113
68k
C102 56P
C101 56P
C117 JC103
1 0
3.3 C116
2 GND VOUT 3
1
6.2
1 CE VDD 4
6.2
IC103
MM3404A33URE
IC103
+3.3V REG
• : Uses unleaded solder.
7 8 9 10
CL108
C115
ND101
D103
C112
C114
R114
D102
JR102 JR JR JR JR JR104
JC103
IC103
JR108 JR JR
JR106 JR JR
R115
CL113
R116
CL115
CL111 CL112
C113
CL116
JR110
C102 C103 CL117
JR
29 27 23 21 17 15 14 14 12 10 8 5 4 2
7 8 9 10
IC102
PNA4823M03S0
IC102
REMOTE CONTROL
SIGNAL RECEIVER
C115
1
Q101
BC817DPN
C111
SWITCHING TRANSISTOR
1
D103 12.2 6.7 6.6
D102
BAV99-215
3.3 3.3
BAV99-215
C112 C114
6.6 6.7
1 1
R105
C107 0.1 33k
R106
100
F101
0.63A 24V
43 43
11 12 13
CL106
C111
F101
CL109
C B E
Q101
E B C
CL107
JR107
JR JR
CL104
O VCC
CL103
CL102
R105 R104
IC102
CL101
R106
1
1-889-507-
11 12 13
C108
10
R104
10
CN101
11P
CL101
1 SIRCS
CL102
3 +3.3V_STBY
CL103
4 DGND
CL104
5 +6.3V_DCDC
6 FL_GND
>061S
CL108
7 FL_LAT
CL105 LED BAR
8 FL_CLK
BOARD
CL106
CN103
9 FL_DIN
(Page 45)
CL107
10 FL_GND
CL109
11 +12V_DCDC
STR-KM22/KM55/KM77
14 15 16
CL105
>018P
LED BAR
BOARD
CN103
(Page 44)
11
(11)
14 15 16 17