www.SteamPoweredRadio.Com
TO
CONTROL
SECTION -7
RIOS
4.
7k
RIIS
180
Rll7 180
Rl05
Rl0
9 7
33k : 4.?k C
l06
Rll
5:
0.
22/50V(
MO
)
C.
3.3k
'--0--
----
---1
~
0102
-Hf-
CIO~.
, • •
DIO
l
r---+----0-4-------1
CI05
22
0/16v
22p/50V
=~
l___L?
:
RI
10 l
~11g
Rll4
9
16
DOLBY
NR
IC
(
DECODE
.
R)
U 10 1
NE6458
P.S
15iy
0
3
fl
103
10
Iv
r,
A
R/P
8
CONT.
PCB
( 1/ 2 )
Reh -
,~----1
J Reh
67l6
i 3 '
i'\R
1•
IN/OUTPUT
PCB (I/ 2)
PLAYBACK
~Pa
◄
w
HEAD L -
◄
314>
◄
µ.w..
c102
<CE
> .......
~
L
~t
,o
Js
~88~
-----T_
1
o_v_3_
.
_3•
k,-
n----~----1.__
__
_,
~
~b~1B> s ls
0 o.~~~50V
<M
D J
RIOI
RI
OZ
47k
0101
RIO?
270k
rtTI-~
4 13 I 8 II
Cll7 Rl23
0,0056
/
IOOV
3.3k
~G
_.._
12
10
14
I 15 Rl
27
220
Rl5 I
OO
kiB)
()
.r-7
BI
AS
OSC CJ45
,...=-v,,.__..
__
~
...--- ~
6
g~
Rl4 I
OOk
IBI
.------.----~
3 5
>-r-l1---4""f)e...y,•t7.,.__
_...._~
---<
2
Ul0
3 !
PC
)
2 - 1R34
~------
-
D-
~T2
0k
(Al
I x2
68k
o---_,>-
__
.._
_
__.
8
,_
<Y
L102
L/03
----j{--
0104
,
iii
f)
103
7:
18
3BmH
~m~
l "
Cl
l9
00047
/ I
OOV
I Cl21 10 /
ISV
Rl2S
)-
28
rttill
IO
OOp CIIS :
22
f)
r-
,._
N -
;ii~
r[
Cll4
;~§
~
~~
25
V Rl
22
~I---
Rl
25
200k
270k
Rl3
200
k(B)
uo
:
;~:
:
~6
~k !CEl
~l
1
~~
~
Rl
24
47
k " I L/05 Cl
25
~-<
~
)-,-
.-t--O------
+ _i3
_v_ POW
ER
SU
PP
LY PCB 6
I
OUT
PUT I
I
NPUT
Clo
3 :,: C
l20
10
11
6V Cl 22 Cl23 C
l24
Rl
28
I
l.
2
mH
0
,l/
50V Rl
78
Ci53
T4
7/S.
3~
g:
i1
~
J8
4 ~
k°t
§~
=0:
~
(
JRTI
O
0----+---
Reh
o.
86
11i
If--
~l
l?
: f6
~0
:R12
1
Cll8
o
i'
g
i~
1 T?
o~
v 0.3M!OV lk IMO) 47k P
IO
0.04
7/50V
(MO
)
IOOV
-'-'
1
;;:.,
S5Cl4 1oov 1 Cll3
33k
10,027
I
KO
)(
I
O¼)
2 § 0
(C
E)
220p
/50V(O.
Ml
I
OOV
~
r1--;---,.-------""t"-------t-•--------r-
..
_______
.;;.;;..;.:;.;..;.;;.;.;.;;....;...
___
_._1----
►
1-
....
--
...
-----------•-.,__..,.
__
-+-1---~-+--------------------~f------
....
+----
...
4---
...-t-t-t-
~H1
..........
>-+---------
x
,J,.
1,3
Reh
----------------------------
+-+-+-
----+------
+-----
---+-
---+
-l---'
6'!:2
0--
-P--'
O
'-'W
-'-E--'
R-'-M--'U-'-T
-=
E-
POWER
SU
PP
LY
PCB
4
I RISO 4.
7k
3
0---
1
2 R30
ER
A
SE
HEAD
IBI
AS
/ REC I
CA
LIBRATION
40--0
I
50
0 2
60
03
Ren
---,.------------------------------
+-
-----+--------------------------------+--+--+--+-~
R 18 1 1
2k
(5815:
57"'
S7-6
PRE-
SE
T
.....0
"-o,.. I J5
0k
181 REC LEV
EL
PS
....
---~--:,
..
3(4)
1(6)
---1-<J
2
(5
)
_]
P7
~~
1(6)
2
Rl83
IOk I
Cl46
10
116V
~
Cl
50
--;;-;;i~U
1
04~>
7
_,_
(:.,_ll~I-O{lf,l
-6_
v
_,,
R~l8,-7_1_,o...k
_---1
__
---1_---1
__
_,
-
➔
1-------l--+---'-'~"C----4
" ··· ~
93
lc
151
Rl79
22k
Cl
47
Ri96
: Rl91 Zk 0.
0027
I50k RIBg : I
Ok
IOO
V
Rl8
6
82k
10k Rl6 R
l7
RTI
I(
~
5
5C
l4
~
~ )
:t;
Ok!B)
;()
0
Rl90
22k
Rl
92
I
Ok
Rl
95
12k
RIB
50k(BI
-
()
Rl94
I
Ok
Rl
66
IOk
Cl4
1
0.47/50VIMD)
Rl
69
100k
T
P3
0
: Rl60
I
0 114
~
,tj/
Ci37
;~
&i'V
IM
O)
Rl97
4.
7k
0 115
~
&
RISI
1,
5k
Rl62
;:
Cl38
1
5k
2.2/
50
V
I
(82)8
1
71
80
REC
.
SI
GNA
L
I AD
JU
ST
PRE-SET
a...
~
S7- 3
DI SLP
ll
4B
RI P 8, CONT P CB 16
10/IGVT
L
11
__
,.
__
.__,.
__
._
_______
..,__,._..,.
___
..,._..,_-t--t---<1--
..
----
..
--<1_p-
..
--t---<1---------------o1--..,.--1---------------------------------
♦
+-++
++
-++
...
--
....
--
....
-R
_l
4_8
....
IO_O_k_
....
l
___
+-_.
___
;.ol
<..;;4>.1~-
__
rl,,:..1-1..:,4-.:..l-_-_-_-_-_-_-_-_-_-_-
_- _- _-_-_-_-_-_-
:_-_-_-_-_-_-_
-_-_-
_-_-_-_
-_
-:
_-_
-:
.,_
-_:-
_-_-_-_-
Cl->-
---_-
_-_-_
-<:-<:-_-_-_-_- _-_- _- _- _- _- _- _- _- _- _- _- _- _- _- _- _- _- _- _- ..,:t-
2:=====:;
(
3:
)
:I
=====
--- _-_-_-_-
_-::::=======----
__
-
_-_-
_-
-~---<J.,.-
_____________________
-------~------t--t--t--t--t-
-t--t-
-
-+--+-
--------::
R
,-
14
:-:
9
W\
100c-:-,k
--
~ - -
-+--
+-
-'90'-'<:l---
--
l--
-"'-
3V
.e._
POW
ER
SUP
PL
Y
PCB
18
I
I
'f
Pi Rl
50
I
DOk
]
[0P
5 - J
P3
-----+-+o
n,<
◄
~
.-
+--
-----+--+
J
-<
J ~ l
--+-
--t---t---t---t---t-
-
-t--r
---,---t--
+
-'T""-...-,.--'T""-
-+
--f-
5:::2
'6-
---
--+
-+
:..!
2
c:;3:,::
V-
LJ
Rl47 1 r -
P79 IOk Rl
52
t
rJ
r Cl
36
___
......(
5=
)=2 •
,----
,-
,
------------------
-----
-r-t-------it-t-+<:
_.3~-~
011
0
82
k Cl35 0 112
~8
~
..!!U,
L
>-.....,.,.
1
-+-
------o-
_--'iiJ
-+
.------
--------
-
---------+
-t
---
--
t-+-
-+-<l
◄
c-'
1
'--
-
~
~H
-<ll-----'
: :3v
~
<MDI
~
►
l,_
___J
.-+-+-------+--+--+-<]
2 (
MO
l
[_
l - ~ -
-+-
~ RISI Rl
55
Rl57
_J
1
00k
IO
Ok
I
Ok
P4 [:CJ
Reh
J
15
A A
__
_J
51 E(
SIG
.J
.-.....;:>----+---
►
POWER
SUPPLY
PC
B 15
POW
ER
SU
PPLY
PC
B 17
PRE- SET
.--o----
--<..>--
.-,o-,o--,<.,-..
-
-u---c>--------u----
-------•...,,,..._
____
--------
-
---<>-------
-------
--o----v----->--------
---------
-----~J""<:.>----.
I
38 39
4(21
10(81 9
(7l
26
(231
25
12
4 1
/g)
1f1 (~)
I(:
)
54
,,
.r
36
1371
18
17 I57
-2
(1)
I
o-b-
~
. . -
~
-
-t
3
c»-
8m
t+
- - 2 (
R358
39k
0 3 C331
47 4
48
Jl4 _
.-----
-----11-1-1-'-
'4"')
"'5
➔
C_
,------1----<r-,I--'-
( 1
~)
6~
l
>-,-...,-...-+-+--
U
•---+--~
(2
)7
0 111 "i\
tY}+~
--~
CISO
Q l
l3
f!Y
Rl5
9 2
2k
~ ~ R
35
12
50
k!Bl
~+--
----~
3'-'_
C>--'
.--,.k)+--
"'
SE:.:N:.:D
:_
___
-:(
)-
-(r-'
10_
+-
----
+-
-
+-
-I~
+----'
S2-514)
R355 1
20
0,0
12/
I
OOV
( 3 ) 8
Rl53
4,
7k
Rl
54
22k
Rl
58
4.7 k
PLA
Y MU
TE
RE
CORD H
EA
D
I B
IAS/R
EC
I
C
AL
I
BRA
TION
BIAS
L I\/
~
..
:-,.
RCV
o-l
2 _bkR~~~
\\
81T~
~I
OOV
l
R3
5
?_
82k
- 2 12 I
R36
0 8.2k
C334
o-.!.
2 -r~
RE
C MUTE
G
M>
A~
) CONTROL
SE
CTION
16
~t()t--"-S
E:::
N:.:
D:..._
___
~r~r("'B'-l
-i--Re
h
R I 10
4K)+--.:.:R::.CV,:_
____
-0--0-(
:..:.
I)-
+.~Reh
14
9
SEND
I R365 2
L
"k
w
'-alK),t-
;,;.RC;;.,V:_
t-,._---0--Q---t-,
6
~tQt--S::.:E~N:!eD'4-----:(r~'J(3::.:
1
.1...
l
-i--l--l-
♦
R
eh
R I
R465
4 z_ _
21
~
R341
100k
S5-
8(7 1
r-<T
9 1 I
Q...,
3_R
15
3~5
...
r,,,..,.c
_3_33_
1
"1--'
y
~
I
00082
1,1
00v
S4-5<4
1
51~68
S5-5(91
"
I
""
'
C320
2
,2/
50 V R
333
IOk
C322
1
50p
/
50V
(O
MI
L,-
O---C-::>-=---''--Wr--111----
0,0
15
,-..,
C I ) 3
R36
1
82k
IOOV
S4-
10
13
)
S5-4
I
(IQ)
R362
4.7k C
33
6
L__._.....,,~---1f---
0,
0056
~--------1..,--_....
I
OOV
R363
330
C3
36 0.
00
68
I
OOV
R
33
8 C324
r--?-
-
-----
-i-+------
l--f---t-
--t-s_,,8
0Yk
rl
10/
ISV
S3
- 2 R
34
0
4,
7k
S4-2
SS- 2
21
22
20
-----
----------
__________
____:___J
SPEED
C
OM
SPEED HIGH
SPEEO ST
ANDA
RD
RIJ>
._
P
P693
- I
P693
- 2
P
693-
3
-
.--->---<>----------------------
-----------------------
+------
R
eh
R703
820k
R7
05
4.
7k
~
=o~
=
0
+2
3V
POWER
S
UPPLY
PC
B 17
P
OW
ER
S U
PPLY
PCB 7
VU
ME T ER
RCV
33k
(4
1) I ----0--
8
r"'°
S1-1!2)
I
-...c
OUTPUT
8 (DBX)
52
-2
R3
30
4.
7k
m2
: L 5 7
~~
~?~5
l
m:
~
V a T
~~k
1
C325 C32 1
~
T.__
___
_
::_-_-
__
1:
::
: :
::::::~+-?----------,~
C318 22
0p
/
50V(
CE
l
---ii---
R3
27
1
00
k
R701
47k
C701
l
{?OV
R7
16 I
lk r
.i"--,..-
-t
----,
w.,
----,
R709
C70
5 " 7 3 2 2
~
ill, I
c
rm
4.
7/
35V
330
k -r
........
--
"- 1 - ·- '~
o104
-14 9 14)
,,
I I .1
~
17
57
0V
04
0703
l/50
V R712
R72
-...,,._-+-t,V-i
;~
) R717 (
NK
)
~
~
M I
r
-H
--+--H"W)
47
0 10 (Bl < l3
lll
- =7
10
15) 8
16
1
--....,,
:
~~
r I
~
......
o
.~
7...0_2
__
k-
t-
--+-
~-
+---+-
--
-l
--
u_1_
0_
1
______
3_3o_
<>
Q
.;;.,;..
(l_t _E_A_K
__
__,
I I
________
.,
16
(1
1)
+
o2
k
0
s~
::
?o</iv
U
302
LM
1
3600
16
: ra
37
o--!,
- 2
S3
-
1(
3)
0 3
S2- 3
(6
)
..
_..__-,
s. C
32o5C7\
C424
'-
---l
t--
-......--ocl4
::_i
+
___f-----_
9 T
IOO(CE
) 10 /
IGV
~Ll~k(A)
f.,...
..
-uc
-
21
_______
-u.,.28_13_4-t--+--t---
-----
--it-
t-
t--t--+--
--t-----
T,
~W.,..
r-y>-'<>---+-LJ-+-..,.:;R:.:43"-7+---o-,f
.L:'r
~~oo=23~~---
-ll-
-'
c¼---
03
S5-6
R
33
1
220k
~
29
~>
12 10
IO
k
~;
>:
:;g~
T
:=-
i=-~1
-::.
cj
;~'--+---------l
-
-t-
----
- -
t-
-
-1----l-
-1-
2-,
_2_k
___,
C
Q[(.l
_N_J R3
79
Pl3 1 C4
20
2,2/50V
R433
I
Ok
C4
22
1
50p
/
50V
(OM
39k
I I
L " "
;;
2,3,4
R r
:-,.
5
\c,
R479
39k
I IN/OUTPUT I
IPc~
(I12)_J
14
l
>-I--
--CF-
1
2.c.,I
"-
Reh
L '--------------
-------1
'
R38
0 3
9k
15
LC
10
t-
--'\"Jv-----
-
-----
--,-
---
-
---
-
-------O-:c'
(13
1
R305
220
R306
220
DO
LBY
NR
IC
( E
NCODER)
U
30
1
NE
645B
16
R307 4
0301
1.
5k
o---<:
>----
-
--1
,~
9
C3
02
, ,
,.
-
0305
1
1
Js
T ,
C304
0,33
/
50V(MO)
R309
lk I
~
------
--
'---
-,I---
----
----
Reh
P. S
-
- 3
R31
0 R31(
100
33
k
C310 R316 -
0.
0056
/
IOOV
3,3k
" C
31
2
l
c3o8
I
OOOp
50
V
(C
E)_
C3
o::>....,
R
31
5
~7~JOOV
r
il
6
;--
·=
22
,-
---
n
---
R3
17
4H
R314
t
:t
33k
::
R31
2 R313
100
33
k
C311 C313
I0/ 16V
'
R36 R37
f)
50
k(Bl
f)
50k(Bl
1
C314
~~
R318
200k
C315
0
.04
7
~
I
OOV
R3
19 4
7k
7
:C31S
0,1
iOOV
C317
0.
33
50V
I
KD
I
R3
28
lk
0
30
2
7
...
.,
~
-a
• R3
21
• 1
00k
G
!
PHONES
!
R
70
4
47k R7
06
150 :..-J
R70
9
R7
22
k /f
d'
070
(
~
C7
06
R?l4 C707 C
70
8 L
50 (1B)
,..
" 115
0\
4
,nT
I0/ 25\
4,7/
35V l E E (
SIG
>
POWER
SUPP
LY P CB 15
_________
_.
+ 13 V
POWER
S U
PP
LY
PCB
6
METER AMPL.
PCB
-----------------------
SEM
I
CO
NDUC
T
ORS
l 1: Reh
R/ P S C
ON
T,
PCB
UI
OI
!U
20
1l NE645B
U
10
3 BI
AS
OS
C
Ul04
4558DF
0101 (
02
0ll
0
102
(
0202
)
0 10 3 (0
203
1
01
04 (0
204)
0110
0
11
1
Qll 2
QI 13
01
14
2S
Cl
844
IFl
2SCl
32
7
(T)
2SD6551El
2S
Cl6
36
2SA
933
LN(Sl
SW
P CB
U30 1
(U
4Qll
NE6
458
U3
02
LM
l
3600
U
30
3 LM3
24
C30
I (0 40 ll
2S
Cl
684
ISI
0302
(
040
2) 2SCl
68
4 1S)
03
03
2S0
985
030 I EQ
AO
l-1
3R
030
2
!0
3031
1S2
47 3HJ
030 4 1S2473 HJ
030
5
EQA
Ol- 0 6 1S l
M
ETE
R P C B
Q
701
(
08
0 11
2S
Cl
684
ISl
Q70
2 (Q802) 2SCl
684
(Sl
Q
70
3 10
803)
2S
Cl
684
IS l
Q704
10
804
) 2SCl68 4 !S )
U7
0 I
H07400P
U70 2 TA
7230P
D7
0 I
!0
80
11
OA90R
D7
02
!0
80
21
OA90R
07
03
108
03
) 1S24
73H
J
Sl
- 1
,2
NS
S3-
1
"'
4 S
S4-
l
'V
IO S
IMONI
TOR
I
I
NR
SYS
TEM
!
I IN
PU
T I
I S
PEED
I
S OURCE
2
T
APE
D
OL
BY S YS T
EM
NR
LI
NE
2
HI
GH
NR
+
HX
LI
NE
I
STA
NDARD
S5-
l
'V
3 S I
EO
I
NORMA
L
Co
(Cr
02
)
SG-
l
'\>4
S I BI
AS
I NO
RMA
L
Co
(
Cr0
2 )
3
dbx
(E
XT
)
OU
T
TES
T
ME
TAL
METAL
~
50
1
0.
027
I
OOV
0 115
2SCl68
4 IS>
2SA933LN(Sl
2SCl
684
IS )
2SC2060
(
R)
2SCl
684
(
Sl
LNS
: NON- S
HOR
TI
NG
·TYPE, s : S
HOR
TI
NG
TYPE
R48
0
39k
R
(l(
,;:;,,:):-,.,t--'\
M,
------
►
Reh
I
___
(
_DO_LBY
DECODER
AND
DOLBY
HX
SYSTEM)
SW~~
Q
l1
6 (0
21
6)
2
S065
5 (E)
0 117 10217) 2
SD
l
684
lSl
0
11
8 (
02
18 1 2SA9
33
LN
(S)
0101 (0
20
1) EOAO
l-1
3R
010 2
!0
2
02
1 1
S247
3HJ
