Kenwood KAC 718 Service Manual

Page 6

I 204
->-- m 0m-
143v CONVERTER 0205 { '05 ROTECT'ON I
5W 0203 PM age 45v IAAV I
-6 - [1206 400v
- 0207 n 9209 O\{)EEHTLOAD
4,9V R211 e_p._. l
100 §§ OFFSET l
u m8 voL DET
T-g 0205 335 m 3 .9' §3 I 2% I 55 i § §
% 0v In w 8 '§ w E Q§ 38 s K N |
t -' _ r e 9
LATCH sw I
c. x g; , BL a 13v
E . a m _D g. . - .
E ' 53.55 V § § i g 0207 g? 53 * 3§ I
0205 K' 1 u A g cg 03 s _
.91, R212 gefig 13210 E i)
50v 100 R2 40 (W - 470%?
13205 33 203 M 0211 R223 R22
_ 0204 0207.203 «an ovl 13K 220K 2222,?
L W 03'2" SWITCHING a
SWITCHING POWER v 93 . in}: g . w 33 .
- DRlVER STAGE §T§ as B 8§ $3 8S
R222
4301W
R3014?
K 1112 0109
If t
C
0%? 01011112 0213
INPUT 3
I W DIFFERENTIAL 3g + $3 . e 114w E5 STAGE 0110
-' IC3 (1/2) AMPLIFIER 6'3 52 E ,,
UV 5 \8 " ' g 40 0V
2,2?50 R15 6 7 .fl 97v 93* 3i g§ a
r ' Ev 124 EN 0112
"3K 3 0152 0108.104 R124 E
C41 0.022 m o I
0152 n 2ND-STAGE 93 :3 fig ST,
DIFFERENTIAL m- .1-
R '0 INPUT ll 3:4 AMPLIFIER m, w, m 513 5" -
3§ E1 MUTIMG m N __ .- 0103 9§ F E;
m" R42 3» DRIVER R152 '5 0103 0104 o_ 9 ,
47K v -o » 51v 100K 4
we v:
3x 09 (a _ Aasav le &
ca: 1'! In In ,.
v, _ r I: V
0'02 '3 D 0102 R107 6
BBWF 75 R129
31 03v IDK
x' ,
W 1°23 0; F
" ./ Q
W 35 + X A i Q DEV? a
CM -0 3V
2m I -50 fig 5 § 33139 SE 5%
( \H c" E §1 83 £8 a e 3W 1-391 3 Is 3
_ o E- E- E m -\ r a w 813 - v fl
-O--- m, 0V 0 QBOV -_
v- 0151 n j-F I: R125 one
D 03V m x 38 . mos- -
LOW PASS 6) E B -2 4351/ 0106 22 .-
FILTER FREQUENCY g E 02 - 0111 011 (
gx 5 a: 5x 39 QIOSJUB "~2V POWER 5
x E: E v E E5 DSTAGE fi-g DRIVE 5
'; =3 41 D HTML STAGE
0 0: we mu.
g - 9w AMPLIFIER 0214
0g ¢

I45650 UPC494C , UPC1237HA

CAUTION: For continued safety, replace salety critical components

1
.. / only with manulacturers recommended parts (refer to parts list). A indi»
° cates safety critical components. For continued protection against risk
. ' l of tire, replace only with same type and rating fusels). To reduce the
1 .
I

risk 01 electric shock, leakagecurrent or resistance measurements
shall be carried out (exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to the customer.