Sony STR-AV880 - Main Section Schematic Diagram; Schematic Diagrams

"2.2. MAIN SECTION SCHEMATIC DIAGRAM
e See page 50 for Tuner Section Schematic Diagram.
@ See page 49 for notes.
— bo CH’ | TINPUT BOARD)
ir aE eo RAO, 12k
3 o R402, 12k
CNNOT-3._@
RAO3._
12k
es
=
R405
2k
C40!
L.c4o6e
a
(C50! M52!9L
EQ Ame
Q501, 502 667 pacd
| fe us th @)
cNylo4-
as
SLR, 3.3
Dome iris
SY es!
1C404 CX770A
FUNCTION SWITCH
[MAIN BOARD (172)]
C652
Ais ‘gy
CNJI08-1
14.5,
Au. 0UB+13.5
TAPE 2
REC OUT
CNYIO9-1
VIDEO |
AUDIO OUT
CNJIOS-!
$C503_uPC4570H
70
MAIN BOARD(I/2} TONE AMP
(TUNER SECTION)
104-3
6
ome) R52K VOLUME!
& 2k (10.08 STEP)
CNJIO5-3 a g
[| Ree
ja 12k 0
galt
[| Kses
12k
2502
2503400
RELAY DRIVE
—— R-CH ==
cnstar-3 G--—
CNUIOG-4
CNuO7- 4
CNUIOB-2
CKIO4—2
10
MAIN BOARDII/2)
{TUNER SECTION)
cnui0a-4 OH
cnsios-4 ©
cnuioa-4 ©
RS7S
33k
[VIDEO BOARD]
C403
LC4066BH
| inaos sive 409 |
100k "100k
[0403404]
sone $8132
Ewa
ee: CNUIO7-2
O—®) CNv105~2
R652
100k
602
47/' '6y
DATA
CLOCK
LATCH
AUDI) DUBBO
vingn copy dd
i
MM / MC i
RELAY = OY
©) CNIOB~2
CLOCK
< DATA
255,256 ame
28A1346 i
BUFFER
|
j
oF
< LATCH -—?
R434 [P4353 [R432 1R431
75 S75 S75 S75
Q401 - 405
28C2785
VIDEO AMP
{<< VIDEO COPY
Le AUDIO DUBB
FUNCTION SWITCH R442 yy th 4. R278 yytk
CNIBOI-I_ 6 R439 ROTC sy JK
vipeo2 | Y R440 yy_tk R279 yk p(2) VIDEO 2{R}
neat R441 Ik R277 ay tk. VIDEO 24F)
: ” V2 KF 1I-3.7
vineo 2 | vir) 15 Valk) 5
VIDEO INR Ls Sanit VIR =3.7
SWZ © cNaiol-t RELAY R208 Q253 2SA
VIDEO | S Tk :
VIDEO tN {_¥ VIDEO | Q254 28C.
CNIZ=T VIDEO OUTIR? “145 254 j4 VIDEO COPY !
6
Vv rd V COPY: -I5.5
ViOEO
IN
=
&
p—hums
a
Roe
Q251 2
Q252
AUDIO DUI
~14.5 \ 282.
AU. DUBLI4.5
1 CB
W269 AU.DUB:-15.5 J)
=15.5
+