Panasonic RS-B25 - Block Diagram

RS-B25 RS-B25 —-RS-B25
s7oi-1 4
Auto Rec Mute P| Q
(CrO,) OFF Q —_ lay, 6 OUT
oO O--r-7
$706 I
4 REW
|
|
Rec Inh 10901
|
MICRO- 5 4
COMPUTER
m BLOCK DIAGRAM ee var
{C401 overall
DOLBY NR gain adj
(Dolby NR selector) QIg
Line mute
$703 ION
$704 out CB)
1
oot
5
2
CH
|
| O osB ZY, |
Oc
| i
VRI |
Input control | Bi) |
DA "
VR3
Qlo
1
|
Balance Z Input mute/ON a) POWERSUPPLY| | |
control Ic2 Q2i
P.B EQ AMP CP Line mute | |
Record/play back C= 7-7 | VR5 7ON | |
—s 34 P.B Gain adj |
Head «<e } ie &! 4 | 4
2
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|
Q20l
202
14 | Direct i e|
ey ay on muting kale tte
’ | | control 7
|
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,
00
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in|
a
ae
F
VR301 | ---p-----—-—-+---—-—--- ------+-------- eorsie 4 |
Bias 4 | Q 203.204 |
t
aaa Q1,3,4,7 | ) REC AMP | Auto rec ae =
--=-- ee: . esepetes
selector
f
rt <I eae ! |
°
Rec
mute/o
eee
|
T301 301,302 | Sis @) ates 1 |
|
Normal/ON
(C901
:
|
|
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MECHANISM
DRIVE
|
Erase | @; ere — 4 |
Head 22 1
| QI7 Qis re) 1C901 ‘ane |
(Tape
selector)
4
Metal/ON
=)
Metal/O
—)
|
1
|
SFot ! SS SS : a
$702-2
(CrO,)
OFF
|
|
fe)
iz
ane:
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ae
I
|
O\(Metal)
|
{
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eyed
On
eee
s:
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|
20h
bo
©
(Metal)
ON
|
pat
a
pes
S!
TIMER
$904
|
‘
|
|
|
O(CrO,) OFF
D603 606 a3 EF
(Normal) ON te
S60
POWER ON/OFF
|
REC
|
|
@905
Q90i
[Reset
}—*0
10
b
ieenaee
5. tO. MS/ON Power/ON
x
|
drive
1c201 I |
MS AMP 1C201 pal
Play
Plunger
X
Hall IC
(Recind)
|
Slime imaeelieseediaeentiemedianentanesttitan itenestitmetinetieetiomtitens —s as —— eee EE - eee ee --—_—
os ee Hb
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1c902 |
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