
AO
AP
AR
AT
AV
AX
AQ
AS
AU
AW
2
1
3
5
7
4
6
TR7
TR27
TR8
TR10
TR30
TR28
TR2
TR1
TR11
TR9
TR29
TR4
TR3
TR31
TR24
TR23
TR22
TR21
TR6
TR5
TR26
TR25
TR42
TR44
D35
D33
D36
D34
D31
D32
TR1
TR3
TR4
TR9
TR2
TR7
TR5
TR6
TR11
TR10
TR8
D63
TR62
D61
D60
D62
TR72
D71
D72
D70
D73
CN9
CN10
E3
WH5
E4
CN4
AM
GND
FM75
ANTENNA
J1
E5
WH7
IC5
(1/2)
(2/2)
IC5
Q3
Q4
Q1
Q2
Q12
Q11
MUTE
-6db ATT
D1
Q21
Q22
Q23
B
A
ATT
DRIVER
DRIVER
MUTE
DRIVER
SW MUTE
D18
D19
Q35
Q34
Q38
Q37
Q36
EXPANDER IC
FAN
DRIVER
VIDEO SEL.)
(FAN ON/OFF
Q107
Q108
D3
Q25
D8
D9
D14
D121
Q27
Q28
Q29
Q30
Q31
D122
D123
D2
POWER IC
IC1 PROT VOLTAGE(V)
POWER IC
PROTECTION
H
E7
100HzHPF
COOLING
FAN
-2/2-CN7
X29-A/3
3/5
3/5
-2/2-CN6
X29-A/3
WH6
X29-A/3
-2/2-CN5
3/5
-2/2-CN1
3/5
X29-A/3
FAN SPEED VOLTAGE
FAN
R7
R6
R5
R8
R9
C2
C5
C3
R4
C1
R3
R2
C4
R13
R1
R12
R32
C25
R28
R29
R27
R26
R24
C23
R25
C21
R23
R22
R21
C22
R33
C24
SWITCH
TRAN-
SISTOR
TRAN-
SISTOR
SWITCH
R43
R48
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
6
5
4
R1
R13
R2
R3
C4
R4
C3
C7
R5
C2
R9
C1
R8
R6
R7
C5
R12
7
8
10
11
9
12
14
15
13
16
R61
TRANSISTOR
SWITCH
TRANSISTOR
SWITCH
R71
1
2
3
4
5
6
7
3
7
5
6
4
1
2
Lch
Rch
A GND
GND
SWch
-12V
-12V
+9V
+12V
GND
+9V
GND
+12V
+12V
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15
5V
GND
LED VDD
14
GND
A MUTE
12
13
PROT
HP DEPT
10
11
S.ST
S.CLK
8
9
SP RELAY
ATT
S.DT
6
7
SW MUTE
4
5
FAN LEVEL
HP RELAY
2
3
1
(SW RELAY)
1
2
Rch
1
2
GND
3
Lch
4
+12V
5
FM-DET
6
S-LEVEL
7
SD
8
ST
9
PLL-DA
T
A
10
PLL
CLK
11
PLL
CE
12
PLL
DO
13
DE-
EMPH/MONO
3
2
8
1
6
7
4
5
0.1
C21
0.1
C23
30K
R42
0.1
C24
30K
R40
0.1
C22
30K
R39
30K
R41
1000P
C149
390P
C150
4.7u35
C25
+
4.7u35
C26
+
820P
C4
56K
R10
470K
R8
2K
R4
820P
C3
56K
R9
470K
R7
2K
R3
2.2K
R5
0.082
C1
2.2K
R214
2.2K
R213
100K
R37
100K
R38
2.2K
R212
2.2K
R211
2.2K
R1
2.2K
R2
2.2K
R6
0.082
C2
100K
R71
R51
2.2K
2.2K
R215
R53
2.2K
2.2K
R216
R54 470K
C52
R55 56K
820P
1u50
C51
+
2K
R52
Q3,4,12
Q1,2,11
W503
1K
R208
1K
R205
1K
R202
100K
R210
47K
R209
10u25
C203
100K
R207
10K
R206
10u25
C202
100K
R204
10K
R203
1u50
C201
150
R201
4
5
11
14
ON/OFF
VDD
1
2
HI/LO
13
4
3
GND
11
12
CLR
6
5
SW2
SW1
7
V
.MUTE
9
STB
10
DT
CLK
8
FA
N
FA
N
2.2 1/4W
R264
820 1W
R265
10K
R267
2200P
C217
100u16
C216
+
2.2K
R269
2.2K
R268
R266
2.2K
1000P
C227
10K
R263
220P
C226
220P
C224
220P
C225
C175
470P
R262 100
R261 100
R260 100
10
9
3
2
1
11
5
4
6
5
4
3
1
2
W504
R259 100
R258 100
R256 100
R257 100
R255 100
1
2
3
4
5
6
7
8
9
10
13
11
12
1
2
3
4
W101
R254
100
100
C173 0.01
C215 100P
C214 1000P
C183
100P
C213 1000P
100P
C182
100u16
C174
+
R146
4.7 1/4W
FM IN (300)
FM IN (75)
AM IN
GND
S-LEVEL
FM-DET
SD(TUNED)
ST(STEREO)
Rch
GND
Lch
PLL-CE
PLL-CLK
PLL-DA
T
A
+12V
PLL-DO
DE-EMPH/MONO
80x40x15mm
FM600mV
AM180mV
10u100
C129
+
1000P
C172
10K
R128
10K
R127
10u100
C134
+
10u100
C133
+
2.2
R144
2.2
R143
10u100
C148
+
10u100
C147
+
1/4W
1/4W
3.9K
R217
3.9K
R218
47u50
C132
+
47u50
C131
+
330P
C53
47u25
C8
+
100u10
C54
+
R1
1
R56
R12
330P
C5
330P
C6
47u25
C7
+
39K
R233
TH2
TH1
10K
R239
220u10
C206
+
6.2K
R236
220u10
C205
+
10K
R237
2.2K
R238
12K
R240
3.3K
R235
15K
R234
4.7u35
C207
+
4.7u100
C253
+
1000P
C208
0.01
C209
0.01
C181
R13
56K
R283 2.2K
1W
1W
15
4
+
C130
10u100
10
W107
IC3
Q27-31
+12V
+12V
+9V
+9V
+9V
+9V
+12V
+12V
+12V
+5V
VDD
+5V
+5V
+12V
+12V
+12V
VDD
+12V
+12V
+12V
+5V
+9V
+9V
+12V
+12V
+12V
+12V
+12V
+12V
-12V
+12V
+12V
+12V
+9V
+9V
VDD
+12V
+12V
VDD
+B
+B
+B
+B
+B
+12V
+B
+B
+9V
+12V
VDD
+9V
+12V
+B
+B
VDD
+B
+B
+9V
+12V
+9V
VDD
+12V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+12V
+12V
W108
+B
+12V
+B
VDD
+B
47u35
C143
+
1/4W
2.2
R140
+12V
+B
+B
+5V
+5V
+5V
+5V
+B
+B
SUBI
COMPARATOR
COMPARATOR
SUBI
COMPARATOR
COMPARATOR
620
R253
100
R252
RXD-NV600
LO
RXD-NV550MD
SPEED
RXD-NV500
HI
OFF
STK495-030
PIN No.
STK495-020
2
1
3
4
6
5
7
9
8
10
13
11,12
14
16
15
17
20
18,19
21,22
12V
12V
+B
+5V
12V
12V
12V
12V
12V
12V
12V
12V
12V
12V
12V
B
B
B
B
12V
12V
B
B
12V
12V
B
12V
12V
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
12V
B
B
B
+B
+B
B
B
B
OUTPUT
A1
TUNER PACK(AM/FM)
(TOP VIEW)
IC1
IC1
(X07-306X-XX) (A/7)
(X07-) (G/7)
RXD-NV600 ONLY
0-10: (STK495-030)
0-21/0-51/2-71/0-01: (STK495-020)
USED: RXD-NV500/NV550MD
USED: RXD-NV600 (STK495-100)
G
E
H
F
IC3
12.1V
-12.1V
0V
0V
0V
0V
0V
0V
0V
0V
1
1.9V
4.9V
5.0V
5.0V
0V
0.7V
0.7V
-1.1V
-1.1V
4.0V
4.0V
4.0V
-3.9V
-1.1V
3.9V
0V
4.0V
4.9V
5.0V
12.0V
0V
7.4V
7.4V
12.0V
12.0V
0V
12.0V
11.4V
7.9V
8.0V
0V
0V
0.6V
0V
5.0V
4.9V
0V
0V
5.0V
0V
0V
5.0V
5.0V
62.7V
56.7V
0V
NC
27.4V
32.9V
-19.6V
19.5V
-25.0V
24.8V
-27.5V
-33.0V
-27.0V
-56.6V
-32.4V
-62.7V
0V
0V
0V
-27.0V
0V
-32.4V
NC
NC
-54.8V
0V
-61.6V
0V
55.1V
61.8V
12.1V
0V
11.9V
0V
0V
0V
A
A -1.0V
+0.6V
B
A -0.4V
B
+1.2V
B
8.7V
0V
0.5V
-0.3V
A
0V
A -0.3V
-0.5V
A
0V
0V
35.6V
18.3V
10.4V
-10.5V
-18.4V
-35.7V
-17.8V
0V
-17.8V
-17.8V
0V
-34.2V
A
C
D
B