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Sony HCD-H881 Service Manual page 26

Mini hifi component system
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GEQ, BBFB, ELETRONIC VOLUME
1C901 (2/2)
BUFFER
10808 (1/2)
SPEANNA AMP
1cg902
BIGITAL ECHO
10806
MAIN CONTROL
CLOCK
BUFFER
1C808 (2/2)
oe
OSCLLATOR
BELAY
LEVEL A
0803, 804
JB01-2
=o
(AUH1O
OUT!
©)|
® —
Bt
:
A
R431, 653-655
RY1201
RY1202
w
=>+
t
ors
MUTE
:
ag4s5
01230
=
oe
| ACH
A-CH +——+
EXCEPT AEP, G, IT.
UK, CIS, EE MOSEL ee
\
|
OVER
LOAD
RY1203
o<
+
DET
|
o-
T1201
QIZ41, 1242
;
H
'SURROUND
Q1240
I
fH
SPEAKER
ead
+
AC
OFFSET
4
EXCEPT
HCO-He818
DISPLAY
CONTROL
ics00
SPEANNA
1
FL8O1
FLUORESCENT
INDICATOR TUBE
as11-s19
FAN MOTOR
ARIVE
1290, 1291
a
EXCEPT AEP, G. IT. UK, CIS, EE MODEL
VF
VF
KEY MATRIX
at
oo
$500-515
8517, 519-545
$551-S60
Lee
ehive
$500-529
5531, S33
8535, 537
x
$539, 541
$543, 545
5547, 549
$531, 533.
$555, 557
AC
OFFSET
(+36¥)
(-36v)
01231, 1232
B+ (+10V)
(TCB BOAR®)
Bt (+79)
(BB BOARS)
Bt (+7V)
(POWER, MAIN, TCB BOARS)
+5V REG
Bt (+5V) 4
1016, 1017
+
(MAIN BOAR®)
1021, 1022
ath
i
+
9802
Pee
2
R632, 656-658
SPEANNA 2
CDW
(i)
R633, 659-661
SPEANNA 3
bx
eube
z
Ze
=°Re
°
DOLBY ON
——+
eo?
s6Re
#
DEREY LEVEL A
an
we
wn
2
=
1
€8
8
2
DEREY LEVEL B
R634, 652, 663
SPEANNA 4
=
5
WOTE
8563
a
'OaFE HIGH
J
POWER ON
r
FRONT SP RELAY B
REAR SP RELAY C
er
G_ROY
aE
REY NG
GHREO
aoe
-
REQ GM
ATGH
MG CLK
CLK MG
GH DATA
GM DATA
aa TBATA
BATA GM
MG BATA
-
BATA MG
oN
ae CUT
RESET
:
MASTER CONTROL
eee
SIRCS
1¢701
A HALF
$1005 (REC A)
$1006 (B HALF)
Perens
B HALF
MULT JOG STATION
$1009 (REC B)
TE ON
Bt SV)
rE
220 A PLAY
$1001 (A PLAY)
220 B PLAY
$1002 B PLAY)
P7BOLBY
CO POWER
a.)
B+ (+5¥)
«ic701)
870.
B+ (+5¥)
INECTOR, PA'
JAR®)
(CONNECTOR,
PANEL BOARS)
2705,
+
eer
ce B+
81018,
shee
ay)
=
SWITCH
(ca BOARD)
B1001, 1002
B- (-7¥)
(com)
B-(-13.8V)
4.
REG
1¢1003
81023-1025
RECT
B1001, 1002
RECT
81003-1006
(FAN MOTOR)
B-(-25") 4
td
(VF@P)
Q1006
T1601
POWER TRANSFORMER
AR, EA. SP. TW. JE, HK, TA, & MOBEL
VS1601
VOLTAG
SERECTOR
240
CD-S
MOTI

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