Hitachi SR-2004 - Tuner Circuit Diagram; IF P.W.B. Circuit Diagram

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•
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,R OUT 22 __ []
L OUT 21 .~
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CkON
CkO
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HA 1137
HAl138
HA1457
8
I F Amp.
0203 25C1344 ® I
D205 IN60P
IF PW.B.
HA 1211
HAll96
[8]
w
o
o
2:
lD
W
o
o
2
en
III
+
W
l.L
I-
5
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5
w
I-
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2
z
t<'l
W
f-
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2:
z
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2:
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2:
<l:
II:l
N
II:l
+
~
+8
IF
GND
R316
22K
L I,
152687
02BZ3.9
11.2
(0)
C23 o.o22(yZ)
;;:;: RIB 47K 552
2
<l:
IWl
2:
<l:
2:
(f)
. I
f--
B
2:
<l:
lm
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I-
a
2:
<l:
R242 lOOK-IS)
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ill
I
[6]
R234 F
, ! = 47 R216 22 (li4Wl FM +8 ','b7 M+ B 16_~
AFC CENTER METER COMMON AFC CMe 17 LK
CENTER METER eM 18 L
AFC OUT AFC OUT 19, TP3. [B]
I
'229 tlU I C304 •
, • '1M ~",,3.3u50VR3.~ 0415' R3141.2Klli2W) STEREO IND. 1 SIND 20 [Q]
03 3SK 590r3SK39
C22 8P±0.5P(RH)~tFC IN
--r--.lJ
IN34A
152076
0152
0154
Q2 3SK59
0r
3SK45
RI621K DI54
R213330
C!56 I CI560.047)J I I ~I I
O.047,lJ~ .41 ' ~I-----~r
2:
(f)
~
~
): AM.
HAI211
HAII37
35K45
2SK55@
152692@
152076
TP.6 0, •• II I. " ... ~ I
L3
RI53
150
DI56
IFRONT END '"~ O'3$K""",,, lh
I'I')..L.
Q
11. 0
FEOOlc247P(CH)~ !:!? i
· 19ft;~
/
/ /
/ "/
/ /
/ I
/ /
" I
AM5
AM6
~_ .. _- 24 [8]
AM7
IC 201,202,204
IC 203
Q 201
Q 202
D 201,202
D
203,204
ICI51 HAI138
0151, 153L 152076
DI55,I561
DC voltages: FM, WIDE pos! ti on, no signal.
c=J: FM, NARRO'I"l,
GND7
AM LOC8
UJ
f-
I
~
AM
FM 75
COAXIAL
INPUT
UJ
::>
16
HITACHI SR-2004
Tuner circuit diagram
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