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Sony BVM-14E1E - Page 139

Sony BVM-14E1E
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5-67
BC (SYSTEM CONTROL) BOARD (2/3)
A
B
C
D
E
F
G
H
J
1
10611/31
12711/31
133(1
11711/31
13011/31
10511/31
HSCl/3
0152
2SC2412K
-mic
HPOSi
VPOS
SELECT SYNC
5251625
iisYNc
SEL SYNC
BC, 213)
2
3
5V-2
1.9
Q154
2SC2412K
1.2 Rl86
Rl51 Rl53 0
..... 22_1__. ..... 2._21 ___ ._ _ ___, 9)fl 120121
RISS
Rl54 2.7k
2
2
, 1cH1P
•CHIP
-sv
SEP
. ( SYSTEM CQ.N_T_RO_L_l ___ ..,__
4
Referto page 5-74 for Function of Semiconductor
Refer to page 5-73 for Waveforms
Refer to page 5-60 for Printed Wiring Board
5
6
RI09
IOk
RIIO
181
CI04
0.22
:F
7
R201
IOk
8
R169R170 R171
18k 18k IOI
ICl21
MC74HCU04F
---------------------
5-68
9
ICl22t5/6l
TC74HC044F
II
0
10
5. I ID
ICl22 ll/61
TC74HC04AF
11
ICIOI
BA7046F
m~
0116
DTCl44EK

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