Kenwood RXD-V525 Service Manual page 20

Table of Contents

Advertisement

F
G
(X28-298X-XX)
Q24
Q26
Q25
Q23
B DECK
A DECK
A DECK
B DECK
PLAY
PLAY
PLAY
PLAY
Q27
LEVEL
LEVEL
LEVEL
LEVEL
(Lch)
(Lch)
(Rch)
(Rch)
Q28
R9
R10
220K
220K
OPE AMP
C5
R7
R8
C6
Q29
0.01
13K
13K
0.01
5.7V
5.7V
5.3V
5.3V
5.7V
5.7V
5.7V
C57
22u16
+
R56
1K
R57
1/4W
10
+
12
+12V
+B
+12V
L6
10uH
BIAS
CONTROL
Q4
10
11
R85 10K
10
R86 10K
11
R87 10K
12
R88 10K
+5V
+5V
+5V
5.0V
IC4
+12V
Q10
R78
47K
Q9
C78
0.022
R84
CPM
10K
CONTROL
R90
68K
R83 10K
R82 10K
R89
68K
R81 10K
C79
0.022
H
I
C8
IC5
2.2u50
C10
3
(1/2)
4.7u35
1
2
+
R20
R22
4
390
10K
C24 270P
IC5
C7
2.2u50
(2/2)
8
C9
5
7
4.7u35
6
+
R19
R21
390
10K
C53
100u16
C23 270P
+
B
R124
2.2K
+12V
12.3V
A
R16
1.5K
L4
C20
2.2u50
+
R24
1.5K
IC2
DOLBY
B
D9
D10
L3
C19
2.2u50
+
R23
R53
1.5K
10 1/4W
+12V
+12V
+5V
+5V
IC4
TYPE I
BIAS
CONTROL
12.3V
10.6V
R106
470
+12V
+12V
IC6
R39
C73
1/4W
(2/2)
56K
3300P
5
8
6
7
6
R40
R101
56K
11
+
100K
C75 220P
3
1
+
+
2
IC6
4
(1/2)
J
K
R26
W34
1K
W32
R25
1K
CN1
1
MECHA+12V
+12V
+12V
2
+12V
11
3
M-GND
6
4
L-PLAY
5
A-GND
6
R-PLAY
7
BIAS-GND
8
L-REC
9
R-REC
+
10
+5V
11
D-GND
+
RXD-V525 (X28-2980-11)
COUNTRY
GENERAL MARKET
MALAYSIA
SHANGHAI
RXD-V626 (X28-2980-10)
COUNTRY
GENERAL MARKET
C13
+
MALAYSIA
2.2u50
+
RXD-V727 (X28-2980-10)
R62
22K
13
+
+
COUNTRY
GENERAL MARKET
MALAYSIA
SHANGHAI
RXD-V828 (X28-2980-10)
COUNTRY
GENERAL MARKET
12.3V
MALAYSIA
SHANGHAI
5.0V
+12V
+5V
CN5
21
N.C
20
LMUTE
19
PH B
A/B2
18
18
17
17
A/B1
E
16
16
A 120/70
B 1/2
15
15
C76
R104
R105
D7
10u16
3.3K
1K
14
14
D-R/P
+
13
13
DOLBY
R/P
12
12
11
11
NOR
+
10
10
BIAS
9
BEAT-C
8
8
B-SOL
7
7
CPM
6
6
A-SOL
5
5
CLK
4
4
PS LOAD
3
3
PS IN
2
DPSS
1
PH A
RXD-V525/V626/V727/V828 (1/8)
L
M
CAUTION: For continued safety, replace safety critical components only with manu-
facturer's recommended parts (refer to parts list).
nents. 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.
The DC voltage is an actual reading measured with a high impedance type voltmeter
with a cassette loaded at playback 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.
X13-A/2
DOLBY and the double-D symbol are trademarks of Dolby Laboratories Licensing
-E3
Corporation. Noise reduction circuit made under license from Dolby Laboratories
2/8
Licensing Corporation.
A
DESTINATION
R33,
R113,
C25,
W32,
UNIT No.
A
E
B
34
114
26
34
ABB.
M
I
0-11
NO
YES
NO
YES
NO
YES
V
DESTINATION
R33, R113,
C25,
W32,
UNIT No.
A E
B
34
114
26
34
ABB.
M
0-10
YES
NO
YES
NO
YES
NO
I
DESTINATION
R33,
R113,
C25,
W32,
UNIT No.
A
E
B
ABB.
34
114
26
34
M
I
0-10
YES
NO
YES
NO
YES
NO
V
DESTINATION
R33,
R113,
C25,
W32,
UNIT No.
A
E
B
ABB.
34
114
26
34
M
I
0-10
YES
NO
YES
NO
YES
NO
V
RECORDING LINE
SIGNAL LINE
GND LINE
B LINE
+B
B
B LINE
IC1
: HA12219NT
IC2
: HA12136A
IC3
: BA3126N
IC4
: HD74HC166P or TC74HC166AP
IC5,6
: NJM4565L
Q1
: KTC3205 or 2SC3940A(R,S)
Q2-5,7,9,
22,27,28
: KRC103M or DTC124ESA
Q6,8,10
: 2SA1286-T11
Q11,12,23-26
: KTC3199(Y,GR) or 2SC2785(F,E)
Q21,29
: KRA103M or DTA124ESA
D1-4,6,7,9,10
: 1SS133 or HSS104A
D5
: HZS5.6N(B2) or MTZJ5.6(B)
X13-A/2
-CN4
D8
: HZS5.1N(B2) or MTZJ5.1(B)
2/8
B
RXD-V525/V626/V727/V828
Y39-3270-21
N
O
indicates safety critical compo-

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Rxd-v828Rxd-v626Rxd-v727

Table of Contents