Black Box IC515C Service Manual Page 48

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  • TROUBLESHOOTING
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45
10. RA-4/4A Deflection Circuit Troubleshooting
TO
D
BOARD
CN5004
COUNT
DOWN
PROCESSOR
(CDP)
DSP
VCO
IIC BUS
DECODER
LPF
LDF
16
18
8
7
5
22
23
17
36
12
13
14
11
17
24
45
44
47 6
48
5
1
30
26
28
7
2
3
1
A BOARD
2
4
R713FROM
1/2 H
IC508/5
R709
C675
R757
R756
C678
R700
FROM
VS
IC516/3
BUFFER
C635
VBLK
FROM CN509/6
V OUT IC
#
R645
# NOT MOUNTED
R623
VTM
VC1
OPO
OP1
PHA
H IN
IC512
VDSP
CXD2018A
ADR
SAW
XSOP
SOP
C651
AFC
DAC
DAC
DAC
PAR
SCL
SDA
FROM IC1008
MAIN CPU
R779
IC514
C644
R692 R534
C630
C657
C660
C667
V DRIVE
TO IC507/2
H JUNGLE
PIN (E-W)
CN509
VBLK/
VP
FIGURE 10-5 - VDSP
10.5TVP14 5/28/02
D BOARD
5
3
4
1
2
6
7
6
3
5
4
7
1
3
R5028
+15V
CN5002
L5003
C5024
CN5009
DEF
5V
C5033
C5035
C5029
D5017
RD24ESB1
R5075
R5073
R5043
C5049
R5047
C5028
R5038
R5021
L5004
CN5004
V DRIVE
FROM IC512/11
-15V
CN5002
R5029
C5025
D5016
RD24ESB1
TO CIRCUIT
NOT USED
D5011
C5037 C5034
D5010
R5040
C5023
IC5004
V OUT
STV9379
C5089
C5036
R5059
C5040
R5035
R5034
Q5005
R5016
P
[
Q5010
R5020
R5017
N
D5004
C5013
C5090
R5076
L5009
C5048
C5047
R5077
R5067
R5071
FROM
+12V
R5012
D5001
CN5009
R5155
V PROT.
TO IC1009
OSD CPU
V
DEF
ZB
ZG
ZR
V
RET
CN5008
FIGURE 10-6 - V OUT
10.6TVP14 5/29/02
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