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Ic Block Diagrams - Sony SEQ-H3800 Service Manual

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SEQ-H3800
4-7.
IC BLOCK DIAGRAMS
¢ IC460 TC35095AF
e 1C621 SPC5243MOB
e 1C201 M50194AP
=z
LL
a.
a)
LPF1
OUT
OP2
IN
OP2
OUT OP3
IN
OP3
OUT
> PrP
> p> >
bP
p>
Pp
OUTPUT
CONTROL
MAIN
CONTROL
Vaer
Acno
NC
MUTE
(G)
¢ 1C470 NJU7305L
x IN (CN)
X OUT
()
NC
L3
L2
Ld
CLK
Sl
WR
VSS
DEL 1
DEL 2
DEL 3
nCOM/EASY
TEST
CIRCUIT
¢ IC630 M51953BFP
¢ IC640 PST572K
e 1C202, 501 MC14052BF
Vec
OUT
4-6.
SEMICONDUCTOR
LEAD LAYOUTS
LR & BAND
GAIN
SELECT
SELECT
HD14053BFP
M5218AFP
SN755723FT
EC10DS2
DECODER
DECODER
XR1091DCP
M5230L-A
A
RESETOR
ah
RESETOR
16
g
oe
LATCH
LATCH
alae
ANALOG
ANALOG
RESETOR
RESETOR
K
meee
LATCH
L2
R2
LATCH
bahia
1
8
12 345678
ANALOG
ee
ANALOG
(TOP VIEW)
RESETOR
RESETOR
RE TORK
LATCH
L3
R3
CATCH
melee
uzP
5 1B
ANALOG
ANALOG
M5289FP-71NC
(TOP VIEW)
NETWORK
Ls
caren | NETWORK
HD6433258A64P
TC35095AF
ANALOG
singe
NC
NC
NC
GND
GND
Ratnede
RESETOR
RESETOR
NETWORK
L5
NETWORK
20
4
&
&
TA7805S
ANALOG
ANALOG
RESETOR
RESETOR
nemmens
L6
LATCH
dia ies
ANALOG
ANALOG
RESETOR
RESETOR
1
10
?
NETWORK
L?
ane
NETWORK
(TOP VIEW)
(TOP VIEW)
anode
nce
rer
e 10301, 351 M5289FP-71NC
MC14052BF
M6631
1 FP
SEL221
0S-CD
ENIL
tN2t
INIR
IN2R
SPC5243MOB
Za
g
S
g
5
z
z
iii
ie
Be
Pe be) be te) bel Gel bel Ge
X24C01P
i
ae
(i )——(1 8)
7)
a
eben
ee
ARs
ees
long
snor
i]
Pf
oe
a]
ee
Bee
ee
eee
ee
e 1C620 X24C01P
8
7
6
5
]
8
anode
cathode
(TOP
VIEW)
(TOP
VIEW)
©
ae
START
CYCLE
| H.V.GENERATION
M50194AP
(TOP VIEW)
TIMIMG
& CONTROL
NJU7305L
40
a
E? PROM
oe
2
2SA1344
i
XOEC
61x64
(1)
(2)—«(3)
(4)(5)
(6)—7)
(8)-——(2)
(1 pnt 7)
(12——(13)
(14)
7 HORD
=
-
N
N
to)
o
t
+t
ite)
ite)
©
o
t
COUNTER
eee
e 1C420 XR1091DCP
M51953BFP
PST572K
Eo
B
START
tte
td
2SB1094-LK
2SD2012
REFERENCE
(15) CLK/2
VOLTAGE
1234
* «Veco
Ma
.
CIRCUIT
(TOP
VIEW)
2: GND
=
CLOCK
3: Out put
Ls}
erage
GENERATOR
ri
i
{
Bog
OVERCURRENT
PROTECTION
CIRCUIT
O-~2)
@)
(4)
a
>
~
=
=
a
1
i]
6
<
~~
~
-
=z
us
>
==
(3)
oO
=z
<
a
<x
a
VOLTAGE
ADJ
©)
OVERHEAT
PROTECTION
cl RCUIT
OVERCURRENT
PROTECTION
CIRCUIT
OUT
(+)
OUT CONTROL
(o)

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