Schematic Diagram - Main Section - Sony STR-D715 Service Manual

STR-D715/D915
3-5. SCHEMATIC DIAGRAM — MAIN SECTION —
« IC Block Diagrams.
IC502, 503 LC7822
ie
: le
eS en
re lee ee
ee feai eM deslealia|
CONTROL
IC601 STK350-130
R7 84 03
IC701 STK3102-3
GNO ORT 4 D3
R16 8645
R
Note:
tantalums.
specified.
. A: internal component.
* fw}: nonflammable resistor.
* ([-]: panel designation.
Note: Note:
The components identi- | Les composants. identifiés par
fied by mark A or | une marque A sont critiques
dotted line with mark A | pour la sécurité.
are critical for safety.
Ne les remplacer que par
=: B+ Line
ea: B— Line
° Voltage and waveforms are dc with respect to ground
under no-signal conditions.
no mark : FM (D715)
( ) : FM (D915)
° Signal path.
ae a
° Abbreviation
CND : Canadian model.
AUS : Australian model.
— NN emt
iesot. aya) |!2
~ [PHONO IN] | C
N
2 10K
-3 {cain} | @
DAT/ MD
-5 [BAT/MO IN [ (e
ir)
o -3|TV AUDIO IN 2 Drie ne)
-1 {tp aupion] =o ae
i] - 5 [VInEO2 [
*[isisour] g Qasitn as |
VIBEO2 8
5 coe
VIBEO1 °
ed LY RSI6 1k ag
_ q |VIDEO! [ 5 9
TAPE MONITOR] 8
~3 REC OUT 3 o
TAPE MONITOR | ©
71 |REC IN L
1C503 CS
L€7822
-2 FUNCTION SW
TAPE
MONITOR IN
TAPE MONITOR
REC OUT
VIDED |
AUDIO IN
VIBEO |
AUDIO OUT
VIBE 2
AUDIO IN
ViBEO 2
AUDIO OUT
LB AUDIO IN
-4[TV AUDIO IN
-6 [BAT/MD IN
2 | DAT/MD
REC OUT
-4 [COIN
-6 [PHONO IN
-4
-6
-2
-4
C5St 1000
C554 47 25V
R552 100k R553 100k
r =
if MAIN VOLUME
BOARD
RV503
MASTER
VOLUME
<See Page 13>
SURROUND SURROUND SURROUND
BOARD BOARD BOARD
CNS312 CNS311 CNS310 Ek (658,705,755
D7i5 MODEL: 2SD2390
D915 MODEL: MN2488
Oo] +
* Q659,706, 756
RELAY
DRIVE CENTER
a2 Se peeeee bese 8 Bei MODEL NEG) OS
CNP303 By ip ed Pa oe
fe
eee Se eee
ee ie ae
ee
, SEES
ESO
mS -
Lit
ttt a eee Sr 3 a l ae
pa
7 | a] Q658, 659 BSIS:END MODEL] | ape et
D715:US/D915:US, AUS Be [R]
C978 3
stk130 VOLTAGE AMP
2200, 35V 702
{
t r
rari
[| cusor [WiDEO} Key i
VIDEO 3 tis
| | [INPUT se bit
L
' ning EIS
L_ Ir]
| =—
'{(F)VIDEO BOARD)
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
<See Page 13)
SURROUND
BOARD
ee [BALANCE BOARD]
; aveo2
ee a aa a a a ey
ee eee [B5ARBHONE)
gee z 8 3 = g cy mee | [MAIN BOARD]
= => Ave cneros a. ae
Haring lepine anaes elites "ONS IL g 56.1 569
= a ai a 5 7 2 2 vl R ary NFSs , J70
[REXEEAREKE)
:
oe es
3) t o t | =
a
4 stk 02-3
574Q707, 708,757,758 D715: CND/D915:CND
mal mal ee
{°3) PROTECT OUT MODEL
| i OLTAGE
vou rss
I 4
67010.
a meat 4.7 SOV
RVYS03
100K#4 6 as 6 NP701
rol To]
Q719
28C2785
| D715: US/
D915:US, AUS MODEL
Q721-723
PROTECT
-57.3.
(-59.3)
D641
1N41 48M
=
SPEAKER TERMINAL
BOARD
Q972
RELAY DRIVE
° oss
BAIF4H 0
D715:US/D915:US,AUS MODEL
*CO71,972
D715/D915:AUS MODEL — i0000/63V
D915: US,CND MODEL — t0000/71V
R545 47k
-l2V REG
- 24,3
10972 79M12 (.26'7
2 3p
4 12 ic
43
+12V REG (me
i
D715/D915:US,CND MODEL—6.3A 125v,__
4 4 scene Seema 9 chaser ak oes"
ae seeboee *«F 902
I D915:AUS MODEL-T3,15A 250V
SURROUND | F
BOARD 6
CNPI10
1 '
eee, CP:
e/> 07
Q953 a
25C2785 i
|
|
on
:
: | IMODEL _ POWER ON/OFF SW = bn in wae
=e = 9 = — 99 —
beeen
TM701
FRONT
SPEAKERS
=]
eases
SURROUND
SPEAKERS
Aensgot
| [ac ourLeT]
SWITCHED
|20W MAX
_ a
o
ee
i
(4)
ot ied
CNY9O!
SWITCHED
120W MAX
|