Schematic Diagram - Audio Section - Sony TC-KA6ES Service Manual

TC-KAGES
5-3. SCHEMATIC DIAGRAM — AUDIO SECTION —
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19
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{AUDIO(A) BOARD] a : ~ 2 i es . Ee 3 2 S (See Page 36)
ae CN5O! rae CNSI34 =
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SCN705
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20
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£225 £226
22 Sov 22 Sov i 5
0107, 207 0103,203 Q104,204 Q106,206 LINE MUTE
TAPE MONITOR DOLBY-S MONITOR SOURCE MONITOR
iC501 i _
PB EO AMP oleae! @501,503, 505,507
SWITCHING
+8V REG
512 Q501
Cc +H REG . 2SD1585
eps ae gi = as ae yt
° BB 1201 a i Goa BUFFER ar BUFFER
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m 2 Q— 778.1 s 1.8k 3 0 =
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= a= ~8.4 2 & S|
8] Sh a| S/S8e8 |S 18 Paes 104Be 8 > Sfy s:0.1 ty) g 10k Rx 2.2 8.4 mB
= ae ey fi sé 3S : S} olasye 18 w 3 ses s 3 = " ok +
Saslo (201 = 3 ie Sf 3 - Zo Icso2 6.7 B Sy v 1 = Sov , 0 oa az
RpSbi I g)S]8 R203 0,02 s¢ gi ely 2}-7.9}-8| o|-sl-s| of of 01 o CX20188 de ., 3 = o Re MUTE 33 HRP 501(2/2) "s . 2 ST aFg
al ; Rees = 2 g is z 10k R238 4.7K 49 131,23 |
8 REC/PB HEAD 8 g S| Bs
MOOE 235 wei To ee rw <8.4 0 ! S| = R256
bi INE MUTE "S 2 ae a ae ©, CAA a 8 Bk Bo in SS SOURCE:0,1 3 7 47% Darts u $
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ale
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Q106 od ed
S(ot B) See 399 oes 8 =| = = =|38 D 4 2SKS0A 3
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R129 | es
IS = & w Xe 7 ce 6" 9513 R526 4 a > | sis
i 5 . f Ee PB LEVEL L re als Pe 2sAitis | 2.2k 3 Te R137 100 =|8
E 5 4 4-447 &
= 7 -8.4 HP.OUT (R) 7
ch 3 C01 = = 8.4 R
Rigg Tech oo ¢ —¢ 0
HP.OUT (L) : =
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B+ R308 47k
1501. 0/2 8-4 + 9 L.ouT ®
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AMS MUTE Jo ete sev -6V REG
Lb ci22 L.ouT U Q502,504,506,508
Te 22 SOV -8V REG
y : J es CAL. CONT
8.4, 0507
if $2 OSC.SI6 ES N41 48M ~ ® @
; 10513 0/2)
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10516 (2/2) : aa 285 rox 10° 30 rane e
F Nanonbe ; oo RB0s 2 atl 28S TO SYSTEM CONTROL(F } SS —? ot 7. ts a Bo |
= as BOARD = peo ley 2B aR 3 |g2 =
.
+
6.8 18 R286 &- ne $2~
g4° ae
oe 5 ye —@$_3 SCN507 SL " fone a z= yo SE
~~ is {[AUDIO(C) BOA RD] DOLBY ON:3.9
atv 2k Soy (See Page 35) "i g * *y S e s
zm Og org Fok x
CAL ON:-3.9 '3 - ie odie} sa S
1C517 ; OFF: 3.9 5 . ; mak @ [wie 9 eo7
2 DOLBY OFF :-4.2 B ~ [tz eee :
HEAD PHONE AMP 0102 y a sl (8 2158 oe,' Cy L205 -
DOLBY-S = = = 8 : 2) °3 BA orn 3 HRP5O1
1eS7 Wa) 282 x SWITCH 3 z Z 3 oN aL
ory se | Ss = | REC/PB HEAD
s 2 - x a2
oO, 3 OV is <= CPI0] TO DOLBY-S BOARD CN € .& 3,3 | bean & 2 <i (2)
N ie) = te =
R247 aie Pa :
a 2a8éa25 | oe on : at so
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22k Rid H aad Ll | | 5 fo56 0606 6 S ¢ —<TYPE. 1 9 a SS | 220 500V -a4m) BS § pa a ae | i a ee Peyson | ak La ar)
: oa 0 0 ¢ eNO op Net | os <TYPE.2 :0.7
PHONES Be = a | a |e fe ne Mal LL J B Bea pees, |
RIGS Zoi
3 3 ry ea & 0.7 > L405
ast 8 ease -y —_| +s oe a l l lis él BS
oe zx L of 6 Ex CAL. SIG is (es as
wl @ Ss A 2 o Bx o 35S ex on Th I
2 7 Sa L.OUT ®)
cz *1s= 7S) S) € x27) Fe" oF = =) a
: SS Mesos \-y LV oy 160 0.047 Sa\ V8.4 38 aa =
=2 j ay A 9 Qo 2 I Es iin ay & oe &lel ¢ a TYPE & a TYPE aw
" T F RYSO4 RV504 | = MUTE 2 S12 P| 0.7 [ 0 7 8S
" 1 20k B L.OUT ©) eg : =! 0%! css [eS Lee A186 iy : 440 te «07 SSE
PHONES I : El ote tis S 100% S ain Race xt na 180 xt
LEVEL . ea = A= ase yo aw} wot sa] oo H
70/120 a [| a ©
9 Sosy xj] 2&: c&7 282 57
ANS. S16 & a Te | 3 as fae s ] cs) a CST
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2 i L re Dip gee St 8d 5 | aot 8 lac] SY gle bo
of : mes a) a
{AUDIO (B) BOARD] a Ea z 10 Sov iesis ava 83 Sez "| "S|Be 3
| REC LEVEL L NUM45808 z= ze 4/28
CNOS SCN5O4 a] a a
502 R248 AP EH) WHT 4P ieee a ait : Q112,212 QH3 ,213 10513 555) a
109 t I cP202 TO DOLBY-S BOARD CNI REC MUTE EQ SWITCH REC AMP A Bx
. as
iB] 5 : * BIAS CONSUMPTION Q14-116,Q214-216 R304 "s
LINE OUT we | | x 209 B=" CURRENT R REC EQ SELECT SWITCH
Aue fot s~ 2 SCNSSI
IC514 i— L~CH
f
oS TG = a
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ie ] Rpaa Lj SWITCH HX PRO Ben
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(38%
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C255 t]| @+- ie eas R273 22 Sov 22° Sov gaye |
2360 x 952! :
7k <
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= 84 gies Bt
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C511 x 9210 : : oie
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0210 oO]. 0 : 8
EH(LWHT ; SCHSOG, 4 — ELA ee fe | ~6V REG 25K50A at 7
k —o. 9 0] Le oo 9 a - Fa ih
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3 eS 8 ! i ' 2
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B 10K 3] f/3 1°] Pla kere IS7eal °
o
gy ON ONL ay KB Be R302 5.6K
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w= BEG 0 0 0 0 7978 3% 5 0 6 0]
[RECORD Bias U]
~ fre? ® ge y PEPE dae Ss £ lB 0528. 8 Q527,528
za*St~j o § BSB Rwy & FS FS E€E FS F&F F§ FE = BW
F Fy '
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5% Smo 40 40 0.0 9 0 79-8 0 -8 8 0 19 40
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4.7K 8 z
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x
1 "S$ & 1 we "Ts $7 =) 2, 7 slsilse7 $7 on SWITCHING "3
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2) = pusend i =x] ¥|c ray ae
= 2S 2 4 2) 2} 2 85 =a -8.1 RIPPLE
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gui Ea
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R310 47k | q Groaisrs ON hoa \ Lael"
Ge | -42 » _ _ £178, 10 Sov . 0 | ; } } = 2p ER fet
B:0 ° 0 : 2 | i ERASE CURRENT (3) C42 cr >> [Erase current]
f | 2S 2stsi02 253402
3.5k cP103 0529 2SA1345 = = oa
oS, _o TE. 8.4 — A ARS
3 Q517 sf] [es !
M ap BY cisg cis -8.4 1) 2805398 = = : 1C510
A al oa [ce
fae ee
1 INPUT AMP ° fa 84 ASIP | | s7 Ts s s] 13 BIAS SELECT SWITCH
ICSI MODE w— c aCiy, a] B| |B
CAL: CAL
aie > +
983! 7 i A |
REC SOURCE (R572 OR a 2541348 ar) BLs 4 4 PN
PB : MPX 7, RY Be 18
Q109 = |= 9530 518 1p |
DOLBY-S $ 2505402 28¢3399 cnsi2
S WIT a 1 3
me "84 Be Ror aire S 3 5 3 ee MT BLK EO]
CAL-4.6 2 l Q517, 529
a: 'onsy1 ta ee
i [B-| DOL aa BeReeeseee KH ea°Ssae 8 ee
N CP102 TO DOLBY-S BOARD CNI 2p 2G 8h $8.4 0530,53 1 Q518 Soleee se 55 Wo kh > PRS M 2
MPX SWITCH DOLBY ON/OFF I ta) Mee ee SS i eS ae oe = oS
0 5.1 -8.4 Ee 2 G2 Tip eo? eo Cv
ca:-3.4 9532,533 | oo g.4 MexFILTER: 84 MPX
<a 5 = o 3
MPX FILTER: 3.7 CAL 2 8.4 Gr K J = TO SYSTEM CONTROL (C} BOARD os
SWITCH MPXFILTER:S
DA512
ee Te
= =
a e TO SYSTEM CONTROL {A) BOARD (See Page 35)
CNPSII
DA51O
(See Page 31). (See Page 31).
—19— —~ 20 — —21—
21 22 23 24 25
(DOLBY -S BOARD]
26 27 | 28
€38 33000),
R43 ilk 2%
C39 0.022°
st
R45 39k 2%
C40 0.1
25V Ri 33 2%
+
C2
FEED BACK LINE OUT REC OUT
TO AUDIO(A) BOARD
CP101, 102, 201, 202
Note:
* All capacitors are in uF unless otherwise noted. pF:yuF
50WV or less are not indicated except for electrolytics and
tantalums.
* All resistors are in Q and 1/4W or less unless otherwise
specified.
° % : indicates tolerance.
* fw-+ : fusibie resistor.
* [__]: panel designation.
Note: The components identified by mark A or dotted
line with mark A are critical for safety.
Replace only with part number specified.
x R25 10k 2% ; ES
s ee aes
&
NUM 4580E x
6 x| 8 Y
2
N
= N
3
= g|s| 8 ce
* © Py
0. ST oF R22
zl 3 ol 15k 2%
o N a ss w B= 2 x ig ls leg
R uw m ™ °° = & TSS
C29 0.1 2 | 24k 2% Slie * js [8 Le
tt = Ae 2 £|8 = |8 |&8 s6
32 | Bx 8 R29 = rw | |r 8 ota
|S oe 27k 2%| = CB] 51k an | Se lik 2% AT « ot 7 B5¢ SA
ANY AM ls zs | aN =
<4 T]® |-ae
3s be = 0/0 0|0 C17
fy, |e 2 PP 8 4 <a? 0.1
rs VERS Me GOGDOOOGOS, ee
1c2 (1/2 a as sa
NJM4580E oS Be El |o t5¢52dze2agg2 a 36%" 0.47 25
C30 0.47 25y zf3s3egR8 aR RkeNECS +
My WN Ai ~) CBO = i Teri (26) RIS 2.4% 2%
R37 11k R36 30k R35 _30k 4.8
aie ae oe 2 8 —4.6 RI4 eos:
34 | R38 36 C33 ° IC1 (i) ; :
K MEIN ZHF2L
ve "a ae e MC4IN pe ZHF UL (20) —— We ese Sass R39 5. 1x 2% Re 0 NOISE REDUCTION RIB 12k 2%
35 {boop 0. ae
C36 Ol 0 att IC} CXA1417Q
Rol 16K 2% 0
R42 8.2k 2%
°
= 2 ° se (| NS x |e
3 N 4 N N
~ 2 m
= ed S
= x < £2 €
~. N " 4
- ae - yi = z me =
= i z 7 ro ind
xz 2 s ro)
x od i
x e cy a wn. 2
S 3s a = Ss ou,
- nN 3 A =
sy = so Te a TSN
= 2 a S. oS
- KI
wn v
ou a
WEEHE. B+ Line
BES: 8- Line
(___]: adjustment for repair.
Voltage and waveforms are dc with respect to ground
under no-signal conditions.
no mark : PLAY
( ) : REC
Voltages are taken with a VOM (Input impedance 10MQ).
Voltage variations may be noted due to normal production
tolerances.
Signal path.
x> : PB
yD) : REC