Block Diagram - Pioneer SA-950 Service Manual

5. BLOCK DIAGRAM
PHONO
TAPE1 ADAPTOR/TAPE2
EQUALIZER AMP
TUNER CD/AUX1 AUX2 PLAY REC IN OUT
<——_ 35.6dB( + 1dB )——___»> ® @ © o
\ 15Omv
: BALANCE
os (t+)
et \ VOLUME
1
1
' H H
H I 1
' \ 1
7 : | !
t I t H
7 : J i I \
J J "7 i LOUDNESS 1
ea se em l 1 1
"7 7 ' I '
one ENG ! I 1
eeNre 3 $3-2 \
yet pet | I !
- 7 | | !
cr 1 ! \
t
1
'
t
(
ADAPTOR!
/TAPE 2!
POWER
TRANSFORMER
O
POWER AMP
43.3dB(+1.5dB) OUTPUT POWER
sae Q307 Q317
TONE Ea!
<4 a Ql
Q309 {K)
D3 red Q315 yr
L (K)
Q303 ) as
Q319
Q305
23.6V/ 8Q
R CHANNEL
{Same as L channel)
PROTECTION
SPEAKERS B
} PHONES
Or
—I1SV
Q202
ie +53V
(+44v) PHONES
(—44v)
10