Table of Contents
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RS-M7
NOTE: RESISTORS
CAPACITORS
ERD.--Carbon
ECGO ----- Ceramic
ERG --- Metal-oxide
ECKO----- Ceramic
ERO --- Metal-film
ECC Q ----- Ceramic
SCHEMATIC
DIAGRAM
ening
ane
ERQ --- Fuse type metallic
ECQM
Polyster
Ss
=
s
s
ERC --- Solid
ECQE-
Polyster
x
=
=
=
-
-
a
a
3
=
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i
7
~
a
ERF ---Cement
ECOQF -
Polypropylene
ECEQO----- Electrolytic
Rev 80 Ca 0.0056
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a
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NE ouree3
ECE(OIN---Non polar electrolytic
1K
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Resistors | TRANSISTORS
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A
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QCQG05562JZ
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39,40 | | ECEASOZR33
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For Asia, Latin America, Middle East and Africa areas.
For Australia.
NOTE:
SPECIFICATIONS © * Input level control--- MAX
TERMINATIONS
(BOTTOM
VIEW)
5 $1-1~$1-18
-Record/playback select switch (shown in playback position).
fi
. $2-1~S82-6--
- Equalizer bias select switch.
:
ait
.
7
1---CrO2, 2--:Fe-Cr, 3--- Normal.
Playback S/N
ratio
More than 45 dB
3. $3-1, $3-2 -.-
- Dolby IN/OUT select switch (shown in OUT position)
H
4, $4-1~S4-4..........
Input select switch.
Tast tape --- QZZCFM
33
|
1--MIC, 2+ LINE IN.
1
- Por
ON/OFF switch.
a
3
[| 12°
"Motor enuting switch,
Overall distortion
=]
- AC power voltage select switch.
8
|
Playback gain adjustment VR.
Test tape
Less
than 3% (Normal)
c
H
Recording gain adjustment VR.
QZZCRA
for Normal
sae
:
a
10. VR7, VR8---
- Input level control.
Less than 4%
(Fe-Cr, CrOz)
11. VR501, VR502------
Level meter adjustment VR.
++ Q7ZCRX
for CrO2
12. L3,L4
- Recording equalizer adjustment coil.
13. L5, L6--
«Bias current adlceonant coil.
a QZZCRY
for Fe-Cr
14. Resistor values are in ohms (Q), 1/4 watt unless specified otherwise.
K=1,0000.
*
15. Capacitor values are in microfarads (uF) unless specified otherwise.
Overall S/N ratio
More ee
'
P =Pico-farads.
iat
G
16.
The mark (W) shows test point.
e.g. V=Test
point 1.
Test
tape
QZZCRA
(without N
ite
17. All voltage values shown in circuitry are under no signal condition with volume
@
control at minimum position.
For measurement, use VTVM.
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