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Kenwood KAC-714 Service Manual page 10

Mono power amplifier
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Ics
PROTECTION
5.0V
RELAY
DRIVER
FLIP-FLOP
R220
3.6K
AUTO
RECOVERY
LATCH
SW
—43.0V(-31.0V)
Q203 ~ 206
Q207, 208
SWITCHING
SWITCHING
ORIVE
POWER
STAGE
cas
0.01
.
4
"Ib
£
ov
co
i
0.6850
QI53 ,154
CURRENT
OETECTION
SUMMING
AMP
oO
a
L
Q103, 104
2ND-STAGE
1K 1/4W
RIS8
Qlos
3RD— STAGE
DIFFERENTIAL
AMP
SENSITI-
VITY
seo
10 1/2W
RI28
RIG2
10K
1/4w
~34.0V
RI60
Qi56
470
IW
AVR
AKER
LEVEL
UT
AMP
ESS
ee
oe
ee
INPUT
MUTING
DRIVER
Q105~107,153
| 9501845(F.E)
Q152 : DTA124ES
cane eee
Q110
2$C2590(Q,R)
Q155 : 2SC3940A(R,S)
amet erie
ser mt a
a
10 1/2W
RIZ1
KAC- 714
!
U os
al
* DC voltages are as measured with a
nigh impedance vo'meter. Values may
'ary slightly due to variations between
individual instruments or/and units.
CAUTION:
For conti:
Safety critical compon
facturer's recommens
$ list).
Indicates sate
gonents.
To reduce
i
eck,
leakage-curr
ai
urements
shall
carried out js
posed
parts
are accep
insulated
2 supply circuit) befc
Y08-47 40-10
Ss (refer to
critical com-
sk of electric
or resistance
cy
¢ ey

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