Kenwood R-SG7 Service Manual page 11

K
(X05-4860-71): M TYPE
IC1
IC2
IC4
Q1
Q3
Q5
D1,2,8
D3,4
D10
VT VOLTAGE
LF: LOW FREQUENCY
HF: HIGH FREQUENCY
BAND
FM
AM
+12V
0V
C57 R57
8
10u16 47K 3
+
2
4
0V
R55
150K
BUFFER
R56
150K
6
C58 R58
10u16 47K
5
+
IC4
(2/2)
0V
L
: LA1832
: LC72131
: NJM4565M
: 2SC2714(R.O)
: 2SB1218A(Q,R) or
2SA1576A(R,S)
: 2SD1819A(Q.R) or
2SC4081(R,S)
: 1SS133 or
HSS104
: MTZJ5.1(B) or
HZS5.1NN(B2)
: MA111
M5219P
FREQ. VT VOLTAGE
LF 1.7V
HF 4.1V
LF 1.2V
HF 4.7V
+12V
IC4
(1/2)
C59 R59
1 10u16 3.3K
+
0V
+12V
Lch
-12.7V
12V
4
( )
5
( )
3
( )
Rch
6
( )
C60
10u16
7
+
R60
3.3K
0V
R-SG7/SG7G (1/3)
M
2SA1534A
2SA954
2SA992
2SB764
2SC1845
2SC2003
2SC4137 2SC4081
NJM4565M M5223FP
LC72131 NJU7313AM
LA1832
CN1
DET
15
S-LEVEL
14
SD
13
X09-A/8
STEREO
12
-E3
R
11
3/3
GND
10
9 L
A
8 +12V
7 -12V
6 T.MUTE CAUTION: For continued safety, replace safety
critical components only with manufacturer's
5 PLLDATA
recommended parts (refer to parts list).
4 PLLCLK
safety critical components. For continued protection
3 PLLCE
against risk of fire, replace only with same type and
2 PLLDO
rating fuse(s). To reduce the risk of electric shock,
.
1 CH SPACE
leakage-current or resistance measurements shall
be carried out (exposed parts are acceptably
insulated from the supply circuit) before the
appliance is returned to the customer.
R-SG7/SG7G
Y05-3960-21
N O
UN5219
2SA1576A
2SB1218A
2SC2714
2SD1819A
NJM4565D-D
LA1836
NJM4565L-D
X24C04S
SAA6579
indicates