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Hitachi TRK-6701W Service Manual page 6

Cassette tape recorder with fm/sw/mw radio

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TRK-6701W
SCHEMATIC DIAGRAM
(Radio Section)
Note
1. Voltage measured at base of chassis with minimum
volume control and no signal.
2. Nomenclature of Resistors and Capacitors.
Circuit No.
TELESCOPIC
ANTENNA
DIO!
Iciol
ZD20l
D102
Ic30l
Q2o!l
1c20!
D301
No
indicated
'Oh
VY
IS$133
AN7213
HZ4B
ISS 133
AN7410
2SC380
AN7223
1$$133
p---4
Value
Eales
ali
PROT.
FMRF AMP/CONV.
FM LIMITEP
FM MPX
FM
IF AMP
AM RF AMP/CONV.
1
: 1000
FM/AM
IF AMP/DET.
'
na
Se
eS
Ge Sr ee
eS
Se
ee
ee
ee
ee
'
No indicated +5%
R101 } --4 Tolerance
K : £10%
|
150-—
|
M : +20%
TPIOL
9
TPIO3
aay sien, ian case
ap
28
Wattage
No indicated
%W
5]
34,
E>
ee
No indicated Carbon film
1D}
©
E>
RC : Composition
RW:
Wire wound
—PXt
sHOWS
PRINTED
RESISTORS
Diol
i
blo:
RS : Oxide metal film
|
!
RN ; Fixed metal film
Lio}
3.9 2
pol
a
|
A
clo2
L102
No indicated
Ne
10P
C203
'
P2 PF
We
|CTIO!
4
'
:
ie
SII
0,022
1
;
|
TPIO2
;
5
it
1
No indicated
?
clost
cioz7
5
clos
}
4
BY
FZ
le
4 oo |
a
!
To.cot-m----| Tolerance
+ +80%, — 20%
TY]
Sana
7
clo!
clo4
RIO!
LW)
: £0.5pF
0.01
100
RA
ae lz]
1 £0.25pF
LW}
1c2ol
|
asa
eee
ee
Ceramic
4+-—_———
|
SiS
tee
Electrolitic
7
36
SI-3
cTIS3
3 If
|
F
"1
Polyester
$s
C155
|
360P
LI54
2G
cTi54 fuse
| 3
2
Voltage
No indicated
50OWV
W
M
|
3. Be sure
to make
your
orders
of resistors
and
si-4
capacitors with value,
voltage, tolerance and sort.
|
OF
4. When
replacing
capacitors
marked
with x,
use
os?
specified ones stated on parts list since required
|
TP2O1
temperature characteristics.
ma
aN
eae
HOW TO READ CAPACITY OF RESISTOR SHAPE
|
evisay 5
RA454R
CAPACITORS
F
|
om
c306
sil-l
100710
RATED VOLTAGE
|
care
feos
2
TESCO
$
|
RV453L
ST/ MONO: INPUT
s
BASIC COLOR
10K3B
STEREO INDI.
2
7/50
c30l
@
+B
°
H
o—~o
33/50
[+
RADIO OUTPUT(L) | 6
RV452 |L
sil-2
RADIO OUTPUT(R) | 2
|
re
cic Ee
ek
:
= C45IL
C453L
|
00068
0,033
6.068
Paw)
wy
|
R45iL
R454L
5.6K
5.6K
|
A
For temperature
GND
oc
compensation
aaa
| |
AF INPUT (R)
8
|
I |
AF INPUT(L)
Si
LI
AF
OUTPUT (R)
-
|
AF OUTPUT (L)
2
GND
3
Pin eh ee cen; "ns
ace,
aca ee
Fn
Nee
en RS cee
Ean Bes pe ce
ie
eg
2
For temperature
compensation
compensation

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