Sony TC-765 - Section 1: Amplifier Block Diagram; Block Diagram - Amplifier Section

1-2. BLOCK DIAGRAM — Amplifier Section —
MIC_ATT (dB)
0
JO! Vo
rh 15
Ha pao 4
Mic AMP
Q!0!, 102
? LINE AMP
RVIO! Q103 ~ 105
| TC-765 TC-765 |
C135
REC BIAS A DJ
osc
. py] S103-4
nee
|
HRIOI
UNIT
ae
eal
7
>
PB
Qt
=
RFI40-2902
;
LI06
[REC]
REC BIAS TRAP. '
[mic]
MUTING REC -
aioe [REC MODE] !
US,CANADIAN
MODEL
REC
giog-3
HEE
MOD
$!03-!
— , =e LEVEL Lioe REC £0 ae F ees - [REC MODE]
LINE 09 = & xX EFI8-2902A2 } f$__ Bt
H si02~| Sey p avers 1 ERASE REC
aa 5 P NORMAL—> SPECIAL—>Fe ~Cr| yar H L107
f AEP, UK PX MODEL I ! | J O 9 | DUMMY VOLTAGE
RCH R-CH ? CONTROL
I 1 switcHinc] [switchinc] [switcHinc | |switchine | [SwiTcHING
L (EQ) (EQ) (EQ) (EQ) (EQ) $501
LINE
AMP
“fe
ve
Qulo
Qill
ail
Qits
aul4
dees
g
18+)
! Q126, 127 Si06 Rec/ Pe! LOW*-MED-"HIGH 9 ¥ 0 © ¥ ©
INPUT SELECT |
I
| iH) CN5O) |
| REC/PB l R-CH
SSS
SS
Se
ae
aS
Se
Se
s
TIO!
t SWITCHING | /2506_ON WHEN TAPE SPEED
HPIOI
RVIO4
p
HEADPHONE
AMP
ef}
950
0506
SWITCH
(S602)
TURNS
me se ae PB EQ AMP |PBLEVEL ADJ PB LINE AMP | sts l] iaeapeHONES 9.5m(3 3/4) MODE
QuS 17 ao Qi2t~ 123 3104 D
D103
MONITOR RVIO6 MEIO! Fy FROM
am) SOURCE METER ADJ STABILIZING | _POWER SUPPLY
GED
RVIOS
{
Osoie
Ge
OF
SYSTEM
CONTROL
f
:
[PB
LEVEL]
TAPE
CD
6
J303
z ee eee) ee > {LINE our
RY502 1@ H
MUTING 4 RY501 | Ca
gi20 : PRy503 |
|
SWITCHING SWITCHING ! I | -
9508 0507
Q507 ON: I !
Q508 ON WHEN TAPE SPEED WHEN REC MONITOR MUTE SWITCH(S607) TURNS OFF, |
SWITCH
(S602)
TURNS
OR
WHEN
REC
MONITOR
MUTE
SWITCH(S607)
TURNS
|
19cm (7 1/2) MODE ON AND MONITOR SWITCH(SI04) TURNS TAPE DIRECTION }
IN PLAYBACK MODE i Fr
!
|
———_-—-—)
Sees Ce [pS See ea ee ee ee Se 5
SWITCHING AEP, UK PX MODEL
|
9509
G
|
| |
| (Bean ON: WHEN ) |
| (MONITOR SWITCH(SI04) TURNS TAPE DIRECTION IN PLAYBACK: MODE
|
(eo ee a ed J
SONY-00527 / DRUCK 3