Kenwood RXD-NV500 Service Manual page 20

AO AP
X29-A/3
-2/2-CN1
3/5
F
1
X29-A/3
-2/2-CN5
(X07-306X-XX) (A/7)
3/5
H
J1
FM75
ANTENNA
GND
AM
2
RXD-NV600 ONLY
(X07-) (G/7)
100HzHPF
C25
4.7u35
+
R41
30K CN10 CN9
12.1V
IC5
1 1
(1/2)
8 3 C23 C21 W503
1 2 2
2 0.1 0.1
3 3
6
3
7 C24 C22
0.1 0.1 W504
5
4 4
4 IC5
5 5
(2/2) R42
6 6 +12V
-12.1V 30K
C26
4.7u35
C149
+
1000P
-12V 7 7 12V
+12V
E3
15
Lch
14
A GND
13
4 Rch
X29-A/3 12
-12V 12V
-2/2-CN7
11
SWch
10
3/5
-12V 12V
9
GND
WH5 8
G GND
7
+12V +12V
6
+12V
5
+12V +12V
4
GND
3
GND
2
+9V +9V
1
+9V +9V
E4
1
FAN LEVEL 1
+12V
2
HP RELAY 2
3
SP RELAY
3
5 4
+9V
X29-A/3 SW MUTE
4
+9V
-2/2-CN6 (SW RELAY) 5
5
ATT
6
3/5
S.DT
7
S.CLK
WH6 8
E S.ST
9
HP DEPT 9
10
PROT 10
11
A MUTE 11
12
GND
13
LED VDD VDD
14
GND
15
5V +5V
R264
Q34
2.2 1/4W
12.0V
11.4V
6 FAN
FAN
CN4
DRIVER
Q35
1
8.0V
2 R266
D18 Q36
2.2K
7.9V R267
COOLING
10K
FAN
Q37
0V
+
FAN SPEED VOLTAGE
0.6V
Q38
SPEED HI LO OFF
RXD-NV500 12.0V 7.4V 0V
RXD-NV550MD 12.0V 7.4V
RXD-NV600 12.0V 5.0V 0V
7
AQ AR
H
WH7
E5
R146
+12V
4.7 1/4W
C213 1000P
+
C173 0.01
C215 100P
C214 1000P
C183
100P
1 2 3 4 13 12 11 10 9 8 7 6 5 4 3 2 1
OUTPUT
AM180mV
FM600mV
(TOP VIEW)
80x40x15mm
A1 TUNER PACK(AM/FM)
Q3,4,12 Q1,2,11
R1 MUTE R5 -6db ATT C1
2.2K 2.2K 0.082
0V
R211 R213
2.2K 2.2K
-1.1V 0.7V Q1
Q3
R212 R214
Q2
2.2K 2.2K
-1.1V 0.7V
Q4
C2
R2 R6 0.082
2.2K 2.2K
R51 R53 C51
2.2K 2.2K 1u50
+
R215 R216
2.2K 2.2K
Q12 Q11 A
R201 R202
Q21
150 1K
4.0V 3.9V
+5V
ATT
DRIVER 0V
5
R205
Q22
4.0V -1.1V 1K
MUTE
DRIVER
4.0V
11
R208
Q23 B
4.0V -3.9V 1K
15
SW MUTE
DRIVER 4.9V
4 4
12V 12V
12V 12V
+12V +12V
+12V
+9V
+9V
IC3
EXPANDER IC
(FAN ON/OFF C224
220P
VIDEO SEL.)
C225
C227 220P
1000P
C226
R263 220P
+5V +5V
10K
C175
+12V
470P
IC3
5.0V
0V
R268
0V 5.0V
2.2K
0V
VDD VDD
R269
2.2K
+12V +12V
12V
5.0V
E7
AS AT
IC1 PROT VOLTAGE(V)
11,12
PIN No. A 1 2 3 C 4 5 6 D 7 B 8 9 10 13
STK495-020 56.7V 0V NC 27.4V 19.5V -19.6V -27.5V -56.6V -27.0V 0V -27.0V 0V
STK495-030 62.7V 32.9V 24.8V -25.0V -33.0V -62.7V -32.4V 0V -32.4V 0V
USED: RXD-NV500/NV550MD
0-10: (STK495-030)
IC1
0-21/0-51/2-71/0-01: (STK495-020)
POWER IC
TR8
TR5 TR6
TR7
TR10 TR30
TR1 TR2
TR11 TR31
C1
R13 C4
TR3 TR4
TR9
TR29
SUBI
+B
+B
B
B
A
D2
Q107 R143
2.2
+B +B
1/4W
R127
+ 10K A -0.4V
+ A -1.0V
+
C172
1000P
D3
C131 +
47u50
C143 R128
+0.6V
47u35 10K B
C132
47u50 R144
B B +1.2V 2.2
R140 1/4W
Q108
2.2
+12V +12V
1/4W
+B
12V
+12V
+12V
12V
VDD
+9V
+9V
+B
+B
B
B
AU AV
18,19 21,22
14 15 16 17 20
NC 0V -54.8V 55.1V 0V 12.1V 0V
NC 0V -61.6V 61.8V 0V 11.9V 0V
TR42
TR28
TR26 TR25 SWITCH
D35
TRAN-
SISTOR
D33
TR27
COMPARATOR
TR22 TR21
C21
D34
C24 R33
TR44 COMPARATOR
D36
TR24 TR23 SWITCH
TRAN-
SISTOR
+B +B
+B
B
B
B
+B +B
+12V
+
+B
-0.3V
A
+
C253
D122
4.7u100
+B
+
Q27-31
+
B
R235
PROTECTION
3.3K
Q27
+12V
+B
A -0.3V A -0.5V
8.7V
0V
Q25
0V
Q30
Q28
0.5V
Q31
Q29
0V
+
12V
+12V
+12V
12V
VDD
+9V
+9V
+B
+B
B
B
AW AX
IC1
POWER IC USED: RXD-NV600 (STK495-100)
COMPARATOR
TR62
SWITCH
TRANSISTOR
R61
TR8
TR5 TR6
TR7
TR10
TR1 TR2
TR11
C1
R13 C4
TR3 TR4
TR9
C7
COMPARATOR
TR72
SWITCH
TRANSISTOR
R71
D73
SUBI
+B
B
B
B
+B
+12V
+B
R13
56K
+ + +
D14
0V
R236
6.2K
+
12V
+12V
+12V
12V
VDD
+9V
+9V
+B
+B
B
B