Kenwood RXD-NV500 Service Manual page 16

A B
RXD-NV500 (X28-301X-XX)
DESTINATION
UNIT No. A
COUNTRY ABB.
U.S.A. K
CANADA P
0-10
NO
Rch(-)
GENERAL MARKET M
YELLOW
1
EUROPE E
GND
WHITE U.K. T 0-51 YES
E(+)
RXD-NV600 (X28-301X-XX)
BROWN
DESTINATION
UNIT No. A
Rch(+)
COUNTRY ABB.
GREEN
U.S.A. K
CANADA P
0-10 NO
AUSTRALIA X
E(-)
EUROPE E
BLUE
Lch(+)
U.K. T 0-51 YES
RED
Lch(-)
RXD-NV550MD (X28-3010-01)
ORANGE
DESTINATION
UNIT No. A
COUNTRY ABB.
JAPAN J 0-01 NO
2
WH1
L-PLAY
7 7
Lch
L-REC
6 6
GND
5 5
R-REC
4 4
Rch
R-PLAY
3 3
GND
2 2 BIAS BIAS
ERASE
ERASE ADJ.(R) ADJ.(L)
1 1
3
C60
10u16
+
L5
4
5
6
4
WH2
REC-F
R104
100
F-REC
CAPSTAN
13 13
MOTOR PHOTO-OUT
12 12
SOL+V
11 11
HALF
R103
PACK-SW 100
10 10
GND
9 9
MOTOR+V
8 8
5
NC
7
7
NC
6 6
GND
5 5
MODE SW
R101
100
PLAY-SW
4 4
Cr02
SENSOR
R102
CrO2-SW
3 3
DIODE NC 100
2 2
REC-R
R105
R-REC
1 1
100
SOLENOID
6
2SA1286-T11 2SC3246 2SA1175 DTA124ESA
2SA1534A 2SC3940A
2SC2785 DTA143TSA
2SA954 2SD863
DTC124ESA
2SA992 UN4112
2SC1845 UN4116
2SC2003 2SC1740S
7
2SC2878 2SC2458
C D
(X28-301X-XX) (A/4)
R122 C301
IC3
NO NO
HEAD
SW
YES YES
R122 C301
NO NO
YES YES
+
R122 C301
NO NO
C11 220P R17
L1 10mH 15K
L2 10mH
R18
C12 220P 15K
REC NOR :6.7V
BIAS AVR
REC CrO2 :10.3V
12.1V
Q3
+B +B +B
C64 0.01
Q301
R301 Q303
C63 5.6K 12.1V
5600P
R64
18K
Q302 R302
+
C62 5.6K
5600P
Q304
R63
18K
C61 BEAT
A
0.01
CANCEL
PLAY :8.4V
3 D2
REC :0V
PLAY :0V
Q1 REC NOR :6.4V Q2
NOR :4.9V
REC CrO2 :9.9V
CrO2 :0V
Q4 Q5
+
2
1
Q4
SWITCH
(NDR CRO2)
R113
4.7K
15 +12V
10
+5V +5V
R106
68K +12V
12.1V
12.1V
Q101
12.1V
SOL
16 11.4V
12.1V
R111
DRIVER
Q102
4.7K
4
Q103
0V
Q104
4.9V
MOTOR 6
DRIVER
R107
PLAY :0V
4.7K REC :5.1V
DOLBY and the double-D
17
symbol are trademarks of
18
Dolby Laboratories Licens-
R110
4.7K ing Corporation. Noise
19 reduction circuit made
R115
4.7K under license from Dolby
Laboratories Licensing Cor-
poration.
2SD2114K
CAUTION: For continued safety, replace safety critical compo-
nents only with manufacturer's recommended parts (refer to
parts list). indicates 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-cur-
rent or resistance measurements shall be carried out (exposed
parts are acceptably insulated from the supply circuit) before the
appliance is returned to the customer.
E F
+ +
+
+ +
PB-R
C4
0.01
+ +
C13 +
10u16
C14
10u16
+
B A
L6
10uH
PLAY :12.0V
REC :6.0V
REC/PLAY
SWITCH
Q11
PLAY :12.0V
REC :0V
7
Q6 R77 R87
1K 10
+B
2
+ +
Q5,6 +12V
BIAS
ON/OFF
+12V
+5V
C101
0.01
C105 220P
C102
0.01
C104 220P
D3
C103 330P
C152
3300P
IC101
EXPANDER
IC(DECK)
7
Q12
REC/PLAY
SWITCH
7
The DC voltage is an actual reading measured with a high
impedance type voltmeter with a cassette loaded at play-
back mode. The measurement value may vary depending
on the measuring instruments used or on the product. Bias
circuit DC voltage is measured while in the record mode.
G H
7
VR2
10K
+B
PB-L
IC2
+ +
R8 R7
DOLBY
220K 220K
L3 B
R4 R3 C3
1 6
15K 15K 0.01
C23
6800P
2
+
3 4
R31
3.9K
L4
1 6
C24
6800P 2
R30
3 4
1.6K
R32
3.9K
IC1
PLAYBACK
16
REC EQ
R28 C22
27K 10u16
R27 C21
27K 10u16
+B
+12V
+12V +12V
R152 56K
+12V
R151 56K
+5V +5V
R129
10 1/4W
+12V
12.1V
D113
8
6
R157 7
10K 5 C158
1u50
12.1V IC102
+
(2/2)
R160
4.7K
DPSS
6.0V
5.9V 3 C157
1 10u16
6.0V 2
+
4
R158
100K
IC102
(1/2)
C156
220P
+
+
RXD-NV500/NV600/NV550MD (1/5)
RXD-NV500/NV600
Y39-3260-10
I J
R14
10K
VR1
R13
10K 10K
+ +
E6
E7
+ C28
0.22
CN3
+ + + 5 REC-R
4 PLAY-R
3 GND
2 REC-L
1 PLAY-L
CN4 IC1 : HA12219NT
IC2 : HA12136A
1 D REC R
IC3 : BA3126N
2 A GND
IC101 : NJU3713D
3 D REC L
IC102 : NJM4565L-D
4 M GND
Q1,2 : 2SC2785(F,E) or
+12V 5 M+12V
2SC1740S(Q,R)
6 GND
Q3 : 2SC3940A(R,S) or
+12V 7 +12V
2SD863(E,F)
Q4-6,102,104,304
8 GND
: UN4212 or
+12V 9 +12V
DTC124ESA
Q11 : UN5112 or
DTA124EUA
Q12 : UN5212 or
DTC124EUA
Q101 : 2SA1286-T11
Q103 : 2SA1534A(R,S)
Q301,302 : 2SC1845(F,E)
Q303 : UN4112 or
10 PHOTO
DTA124ESA
11 DPSS
D1 : MTZJ5.6(B) or
10 12 D DATA
HZS5.6N(B2)
11 13 D CLK
D2,101,102,111,112
12 14 D LAT
: 1SS133 or
15 15 REC F SW
HSS104A
X29-A/3-
16 16 PACK SW D3,103,113
2/2-CN4
17 17 PLAY SW : MTZJ5.1(B) or
HZS5.1N(B2)
18 18 CrO2 SW
3/5
19 19 REC R SW
20 D GND
B
+5V 21 D +5V
C36 22 A GND
4.7u35
23 D Rch
+
RECORDING LINE
24 A GND
SIGNAL LINE
GND LINE
B LINE
+B
C35
4.7u35
25 D Lch
+