Text preview for : SONY TC-K71 Schematic.pdf part of Sony tc-k71 Schematic
Back to : SONY TC-K71 Schematic.pdf | Home
_____ _____________ _______________________
______________-
__ __
___
____
4-4.
SCHEMATIC
DIAGRAM
--
Audio Amp Section
--
TC--K7 1
TC-K71
A
B
C
D
E
F
G
H
0101 25A1138
0102 2SC1345
PLAYBACK AMP
0103 2SA836
0104 2SC1364
TAPS SWITCHING
DIOl 1S1555
ICIOI CXl74
00180 NO dEC 7 U TSR AMP
0105 2SC200l
OUTPUT SIGNAL MUTING
IC 102 pPC4557C
HEADPHONE AMP
I'.
0107 2SC13.,, .
B'
1C103 pPC455BC
LOG AMP 0,0.
0102--105 151555
QIOB 109 2SC1364
MElEE MUTING
----
1
0(88 2.2k Il/OW CVIII) w4
1
R
IC)51-I I0I 3/50V *33 P/C 0107 0102 C112 41/2*1 0.027 RI 7 2.7K LE0it C124 --OLGO96 lOGY R131 CI23 0.01K 11/2*1 1000 0130 0/24) cool IUO/I6VLtJ
icI.5-
CI25 4.7/000
Si--I
I
HOP (HP) RPF202-3602
C106
Op
I
(I/3M)
-`
()
0)
22kI1/2w (7/.)
1)147 33k GIG?
C127 IOU 15V
0(09
L.!.LJ I
.ie.22/0j
C122 77
lAf 8)33
lOOk
I
(1)0)1
p 0105
if
97
SOLUCE
005 0135
[1R0
I/6V
8121) II
L
22k *146 75k 0148 22k
[RECORD/PLAYBACK_BOARI
I
lIl2W) I
--
522k
0
31-.7V. 01/
47/IGV
I
03 TYPE Cr02 I TYPE m IPe Cr1 TYPE IV (METAL)
I
--
E(j 0138 5.6E 11/2W) R137 3.9k 11/2 0136 Ilk
L-CH I [RECORD/PLAYBACK BOARD)
[TAPE SWITCHBOARD]
TYPE I INORMI 1 TYPE 0 ._.OYPE 1U...TYPEW IF --CII I)TALI IC)OTI S3-3 ROIl 22k
--
TYPE) NORM)
--
I
1
t
IPHONI
6
14
I
I? 24
I
I
I
TOPS 51-2
f
I
2
I
CNJIO2 INLL)
SOURCE
t.
.
R187 47k II/2W1(r/.l
L
--
LEO PEAR PROGRAM METER 0410
lC60l MSL935l
1r
[MIC AMP BOARD
QI 25C1345
Mid AMP
[METER BOARD]
1.-
0601 NI3TI
SET PUlSE OSC
PEAK HOLD RESET
0602 2SC1364
0CC
IC3OI ;PC4560C
P11110 AMP
0110 2SCZOOI
RECORO MUTING
--J
CNJ3OI I
=
0601j
0
-B T CONVERTER
lr
/CG0I
.
[1
LEJ
RPP2OI'-36O2A
HRPIHRI
604 L 47/10V
I*101DI !i.iJ
°qD
DISPIAILJ
·
ON
I
1W1
II
--
0698
oi
..
Q
.
oo
060?
/.ABATONj1
L
_Jj7kC
Q
3
---EF-----10160
I Ni
RVIO2 4 7k-B
(/34
.
C(36
I-,.,.
I
1)
I--
--
0010° 01,
30101 077
Dv
HO1D SWITCH BOARD
QTO SYSTEM CONTROL @90680
]
?61
860 4 k 3
D6OI 1S1555
OO3")
0/
C132 DOLBY `ftr / 47/160 r
10/
OWOARO
HRPIHP( 0PP202-3602A
5.,
L
247oi©
I
R
--
CH
P2GO) 0204
--
0205 8235
lCI02) 0244
-
I
I
020)
CTIJZC2
L
--
1
[_
4
[TAPE SWITCH BOARD]
I-
[TAPE SWITCH BOARD]
I?)
`
:204 0 E:
-- -- --
.C,
HRP(HRI
RPF2G2--3602A
P_4_
0502 250414 0604 2SC2676 0603 2SC458A
%01T.REG·
0501 2SK30A
-- -
Q509 2SC1364
0610 2SA1026
0611
SWITCHING
SWITCHING
2SC1364
`
/
0503 IS1555 _.Z
(GAUL AG VCH FR0M PEF.NO.400 Cr62402 lRl l4 Ri 0509 0
e
lOOk
0511
3803
,`PSOI
BIAS OSC
-C252 20--lOOp
COOS 47·0 160
I
4 0501.502 HZ6BIL
TO SYSTEM CONIRDI. 80400
.
e,'p-v;
+
03
I
--2O,
5
8309
1
_____
(5k
543l
22k
1502 4H3
___
C506 470 60
509
-.
I.
L
L.._
-
B
--31 --
BOARD
ESTEM CONTROL
--
32 --
II.--I,
I
G
I
H
1
J
0102--105 1S1555
0)08 109 2SC1364
UUT INS
Note: The components identified by shading and mark are critical for safety. Replace only with part number specified.
1
Note: Les composants identifies par une trame et une marque sont critiques pour Ia sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
Note:
Components for right channel have same values as for left channel. Reference numbers are coded from · All capacitors are in .tF unless otherwise noted. pF : sF 5OWV or less are not indicated except for electrolytics and tantalums. · All resistors are in ohms. `hW unless otherwise noted. kfl : l000fl,Ma : l000kfl : panel designation. · : adjustment for repair. e
--:
·
2
--
o
8+ ij5. B-- bus.
o
·
Voltages are dc with respect to ground unless otherwise noted. Readings are taken under no-signal conditions with a VOM (20 ki/V). no mark: STOP
3
· .
4:
· o
·
0 I:
: : :
FORWARD FAST FORWARD REWIND RECORD REC MUTE PAUSE STOP
Voltage variations may be noted due to normal produc tion tolerances AC voltage readings in the bias oscillator are taken with a VTVM. Switches
·
4
0503 25C458A 05 2SK30A
Ref. No. SI S2 S3 S4 S7
Switch MONITOR LINE OUT/PHONES TAPE DOLBYNR PEAK HOLD RESET
Position SOURCE 24 TYPE I (NORM) OFF AUTO
5
--
33
--