Technics RS-B465 - Page 14

RS-B465
El Power supply circuit
JK8
ote
AC IN
220V--- CE,EG
(z00v-~ Cee) )
50/60Hz
@ chee
R/P HEAD
Rech=
Q1,2
2SJI6G4PQRTA
HEAD R/P SELECT
BV vain CIRCUIT
Qi
$
cco caeate a
D
TRLAY? ONT OD) ov
G
RS-B465
7
RS-B465
10
Q301
BIAS
Q303
2SC3311AQSTA
+302
osc
2SD592AQRSTA
BIAS
Osc CONT.
ge2i
2SBIO3ORSTTA
BIAS ON/OFF
Ri6 CIS
th ISK 5600P
R20
10K
= a
ov
(ITV) BX. es b
asf fae | - ‘
eH A
cl D918 i 8 PLAYBACK af
LogoP MAIG5TA f GAIN ADJ. 28
(Lich) gs
c2
FS
L
Icl
sf
E
tooor -¥S8E Ag ¥ A AN7351K R43. 18k cal aia \: ees
3 Moth ie ex 23 PLAYBACK EQ/ RI pens ane cata < Q401~404
adile
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eT
f
REC
AMP
tox
ae
|
2SC331IAQSTA
: gras =>
ov cer “WY ba MPX SELECT
(-0.3V) FT ov 4 25V4.7 tK OVERALL 2
sN70 a 7 6.2v GAIN ADU. ——|-|_. 3 _®
a2 (Leh) [—] Eee ey ef pyla4or |
Ea oSso5 N\ OV (.0.6V)= MPX" on’
ae “Es ess 228887
= -8Vv oO rae
Q306~ 308 1c301 23 pars
2SAI3Z09AQSTA UPCIZ97CA ~) e325 Game t
x
BIAS
ADJ.
CONT.
DOLBY
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ges
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ee, tO ta
BIS OVERALL Z baad ikea mers es
GAIN ADJ~ sf a
cReh) | > hL eS 3 PLAYBACK °
25 955 GAIN Ady. 3h
4 1
26 (R ch) aa
2!
6
3.6V
{ 0.5V)
R18
560K R44 wf
co 120P C1 1000P 28V4.7
4E- +f +——+
7 Li 30mH R9 10K
1
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wee C14
id L2__30mH RIO. 10K 25V4.7
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om
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a
B
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(8.4V)
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7
(-6 3V1Q304
0904~906
MAIG5TA
2SAIZ09AQSTA
REC EQ (METAL )
C33 R31
8200P 120
ov
R2
1
WW
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0.0;
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82
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OT ox ae 2SC3311AQSTA
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120
2.7mH
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ov
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x
rat
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1.5K 0.056] 0)
R905 22K R917 4,7K
R904 22K
R326 220
R327 820
Ww
Q902,905,907
SOLENOID ORIVE
2SBIO3ORSTTA
Q925
2SD2037EFTA
REGULATOR
ROIS 4.7K
D903
MAIGSTA
+++
44
0902
MAIG5TA
Q603,605 Q304 R328 1.2K
2SAI3Z309AQSTA
2SD2037EFTA
2SB621ARSTA
~12.5v]
D305
~
308
9923
STABILIZER
REGULATOR
BIAS
OSC
CONT.
tas
2SAI3O09AQSTA
MAIGSTA
DTCII4ESTP
B6V
STABILIZER
4.7K
AR97
4.7K
AR907
A\R607
uov A
Te
172W 10 (1011
8 8
diz
|
os
8
gy
SoTI07V
5 lor = ¥ wx | ee Juoaw
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ail
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3
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=
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Set
837
A607
D601 ~ 607
1SR35200TB
0612 D6II
27 vzw Q606
2SC3311AQSTA
REGULATOR
A
R617
10 172w
Areie -25V
v2w 10-!2'ViQ608
-11.8Vv
aaa | a=
2607 oev)
‘-
OTCI44ESTP
STABILIZER
4
D908
MAIG5TA
2SC3311AQSTA
STABILIZER
a -25.6V
172W 10 =8.8V (-23.8V)
Q604 |
4
am 2SBI357EFTA soe Gabe
REGULATOR 2SBG62IARSTA 2SAIZ09AQSTA
REGULATOR REGULATOR
aova
areas
For CE,EG)
11.8
11.6V
('0.8¥) (0.8V)
[AR922
30 «R929
22k
re
1eVv
RQ:
8
D927
MAIG5TA
ee
(1L4V) 1h8Vv
Nits
Q906
18V
Grams SOLENOID ORIVE
(10.8V)
ee a908 gy
10.8V)
wv fir
m=] Us
4.7K
9903
2SC3311AQSTA
Ano75
D928
MA4 | 20MTA
11.8V Q925H 10.6v
(10.8V)
| p929_ |
MAIGSTA
(10.3V)
AR934 8.3y
12 1/24 BV) oan 5V
'c902
BA6218
MOTOR DRIVE
(REEL)
q924
For (EB) area
Q910
OTCIISESTP
MOTOR DRIVE
{ CAPSTAN ) ss
a b
9904, 906, 908
OTCII4ESTP
SOLENOID DRIVE
asl l
2SD592AQRSTA J
REGULATOR
Q909
2SBE2IARSTA
MOTOR DRIVE
(CAPSTAN )
Q924
OTCII4ESTP
POWER SUPPLY CONT.
Q9l2
2SC3311AQSTA
STABILIZER