Yamaha as 1000 schematic

Page 1

A I B C D E F G H | J

A-S1000

I BLOCK DIAGRAM

_ - See page 5557 ->
FUNCTION SCHEMATIC DIAGRAM

- See page 55-57 ~>

SCHEMATIC DIAGRAM SCHEMATIC DIAGRAM

- See page 5961 -> VOLUME & TONE CONTROL FUNCTION - See page 55-57 a I I - See page 59-61 a
SCHEMATIC DIAGRAM SCHEMATIC DIAGRAM FLOATING BALANCED I SCHEMATIC DIAGRAM
IC410
ATT1 IC404 I POWER AMPLIFIER I
I _. TONE CONTROL DEVICES l Lu I
_. RYEBYF' RYiDIR I g
I I g m7 I SPCH A L/R CH
'04" IC405 RY402 RY4D4 I E g I RYZOI/RI
A1'l'.2 FLAT 0 _HOT<+> a I; °\°
_. ea 0/0 :'l\o- E u>I _, I SPCH B URCH SPEAKERS L/R CH
_. I I :4 E o\o
01001-1016 : E 8 ' RY202/R112
HYIOI MC IC412 I I % 0" RYISPA
--o/'°- HEAD AMP IC406 I I_ HWSPB
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PHONO I 0 010171038 RYIIPHONO Arr-3 - I I I
L/R . - > ._I
I RY102 POL/FOR % -> S: I
4-. EOAMP °\o-~ 5:5 I
RLMMMC -~: _________ 03 z:
MM/MC ' E: I
_________________I 2:
CD L/R RY CD I I
63-. . J
I I Q
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TUNER R anU LINE AMP. I E ET
@- : ' 2 2
LINE1 L/R COLD) I I E
RY L1 0
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LINE2 PB L/R RY7L2 INPUT 03 <¥( 5
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I R CH
BUFFER AMP. ' I
Icaoz I I I I I
PREOUT _ I PRD PHI THM
r
MAIN 'N Icaoa IC414 RY501 GENES
_-_-_-@_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- D ADI-I07» o-A
HY DIR PRD THM HPiPRD PSVA1 PSVA2 -I - -' HP END I RYEHP JK501
RLBYIi-I I I I I I I BALANggNfigESFILANCE I LOW IMPEDANCE DRIVE
54 53 2,3 1.64 62,63 48 47 60 PFIV1 PFIV _____ _ _ _ _ _ _ _I HEADPHONE AMP' I __ _ _ _ _ _ __
RYEUNBALF 34 I I I I I I I I
RY BAL~- 32 I7 PHV
R; on ._ 25 '0502 I5 RY PWR POWER TRANSFORMER INDEPENDENT
Rim ._ 27 MICRO - ---:------~I II II E g m m FLOATING POWER SUPPLY
FILLI _ 23 PROCESSOR _, RY HP I 3% 5% <2: fi <2: E E E 55 +33v L CH
RYiLz - 29 4 I 0 3' CI 3' w ;' W 3 5 \- 5 3 I] + Nae/Rae
RY7MMMC ._ 55 -5 HYESPA I § § g Q E § E 3+ 3 $ 3 3+ -33v I,
RY PHONOS- 56 _. ' M- " ° °
7 RYESPB I L If If LL IL for HOT
In an N . INDEPENDENT REGULATED POWER SUPPLY
N " 3 E 2 I (my AUDIO) I
LEDEPWR a 7 I PDET I I PFIV L CH
REM E 1 + +B4IAB4
ICsoI E 6 I <3 I]
L > I
3 9" 2 I I E: SUBPTRANSFORMER II IorCOLD
SPiAB 15 . o I
I (I) T1
I I fl I
I T a N - I 8 (Ior POWER AMP + R CH
m m .4 .1 .l . u: . /VOLTAGE AMP STAGE) *
(I: < w o .IcL ________
j '3 E 3 j I . E <3 <3 POWER SWITCH 6 I,
III I <3: - °\0 I for HOT
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- I | 5 .
o I) o I I Fm R CH
O O ,- ______________________________________________________ I I + +BZI-BZ
I AC IN o\o . II
o O _. PSVA1 ~See pageSBa
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SPEAKER TREBLE INPUT SEL I 'O'COLD _, PSVAZ SCHEMATIC DIAGRAM
. BASS BALANCE VOLUME I . '-'-'-'-'-'-'-'-'-
REMOTE VH5 ' I
- See page 59-61 -> FRONT PANEL I I * FUNCTION
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