Kenwood C-V100 Service Manual page 20

A B
(X05-4670-XX) : C-V100/C-V300 (Y,M,I,C,X) TYPE
Q Q
3 7 6 3 1 5 1 5 0
1
A1 (W02-2582-05)
D1
2
D2
RF AMP
J1
1 ANT1 C2
FM
75Ω
10P
FM GND
GND
300Ω 2
GND
3
AM ANT
X
J2
4 GND
3
FET : 2SK302
TR1 : 2SC2714
TR2,3 : 2SC2413
D1-3 : HVU202 or
1T362
VT VOLTAGE
T E
L 1 3 9 4 2 2 9 6 5 1 3
FREQ.
BAND VT
LF 1.6V
FM
HF 7.6V
LF 1.4V
AM
4 HF 5.2V
LF: LOWEST FREQUENCY
HF: HIGHEST FREQUENCY
C-V100
DESTINATION
UNIT No. A J2
COUNTRY ABB.
PX Y X05-4670-20 YES F10-1098
GENERAL MARKET M
MALAYSIA I X05-4670-21 YES
F10-1101
CHINA C
AUSTRALIA X X05-4670-72 NO
C-V300
DESTINATION
UNIT No. A J2
5
COUNTRY ABB.
GENERAL MARKET M
MALAYSIA I X05-4670-21 YES
F10-1101
CHINA C
AUSTRALIA X X05-4670-72 NO
IC1 : LA1832
IC2 : LC72131
IC4 : NJM4565M
Q1 : 2SC2714(R,O)
Q3,6 : 2SA1576A(R,S) or 2SA1586(Y,GR) or
2SB1218A(Q,R)
6 Q5,9,10 : 2SC4081(R,S) or 2SC4116(Y,GR) or
2SD1819A(Q,R)
Q7,8 : 2SD1757K or 2SD2114K
w w w
D1,2,8 : 1SS133 or
HSS104
D3,4 : RD5.1ES(B2) or HZS5.1N(B2) or
MTZJ5.1(B) or UZ-5.1BSB
D10 : MA111
D12 : RD3.3ES(B2) or HZS3.3N(B2) or
MTZJ3.3(B) or UZ-3.3BSB
D13 : RD2.7ES(B2) or HZS2.7N(B2) or
MTZJ2.7(B) or UZ-2.7BSB
7
C D
FM FRONT END
MIX DISTORTION(ST)
VT
IFT
TR1
R2 C4
0-100 3P
FET
R14
68
VCC
R11
100K-
TR2
OSC
680K
C13
OSC
BUFFER
8P
C14
TR3
27P
IF-OUT
OSC
R24 R25
5.6K 100
VT
1/4W
+ +
+
5.1V
C28 R27 10K
2.6V
0.022 1.0V
IC2
PLL
1.0V
REFERENCE PHASE DETECTOR
DIVIDER CHARGE PUMP
1 SWALLOW COUNTER
2 1/16, 1/17 4bit
12bit
PROGRAMMABLE
DIVIDER
C2B I/F DATA SHIFT REGISTER LATCH
0V
(9.0V)
4.3V
X1
7.2MHz
2.6V
ST: 4.3V
MONO: 0V
R20 1K
x a o
2
R23 1K
4
R22 1K
. i
C38 5
470P R21 1K
3
+B
+B
E F
L1
C65
4P
FM:6.6V
R43 R45 C8
5
220 10K 0.01
+
C26
47u16
6
10.5V
R6
FM IF
AMP 100
1.8V 9.5V
R44 Q1 CF2
7 100 CF1
1.0V
8
+11V Q Q
11.0V
3 7
+11V +11V
+
0V
0V
11.0V (0V)
FM+B
0V
(2.6V)
Q3
2.6V +11V
(0V)
R32
UNLOCK
DETECTOR
1.2K
UNIVERSAL
D13
COUNTER
+11V
u 1 6 3
y
SIGNAL LINE
GND LINE
+B LINE
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
-B LINE
safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric
shock, 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.
G H
2 4
8 9
+ +
2.3V
5.1V
2.3V (2.1V) 2.0V 0V 2.6V
R40
(2.1V) (2.1V) (2.9V) (2.1V)
1K 3.7V
AM AM AM
ALC
OSC MIX RF.AMP
BUFF
AGC
AM AM
IF DET
LEVEL
DET
S-CURVE AM/
FM
IF
COMP
BUFF
FM
IF
FM
DET
TUNING
DRIVE
AM
FM
6 3 1 5 1 5 0 8
3.1V
REG GND
2.2V
(3.7V)
0V
2.2V IC1
5.1V
ST: 0V AM/FM/
MONO
MPX
:4.8V
SYSTEM
AM IFT
L2
5.1V
+15V
m
c o
.
I J
2
9 8 9 9
1.4V
1.4V
2.1V
2.4V
(0.3V)
4.1V
DECODER
UNTIBIRDIE
MUTE
STEREO
SW
STEREO
DRIVE TRIG
FF FF FF
PILOT
VCO
DET
AM/
FM
SW
PHASE DET
9 2 4 9 8 2 9 9
VCC
0.5V
3.9V
C12 R18 4.0V
(1.4V) 2.2u50 3K (0V)
C11 1u50
Q5 0V
(0.6V)
ON:FM
OFF:AM
C23 1u50
+
indicates