Kenwood RXD-M55-H Service Manual page 22

A
RXD-M55-H (X28-320X-XX)
DESTINATION
UNIT No.
COUNTRY ABB.
U.S.A. K1
GENERAL MARKET M1 0-11
KOREA H1
EUROPE E1
2-70
1 U.K. T2
RXD-M55-N (X28-320X-XX)
DESTINATION
UNIT No.
COUNTRY ABB.
AUSTRALIA X2
GENERAL MARKET M2 0-11
KOREA H2
EUROPE E2
2-70
U.K. T3
(D40-1772-05)
2
PLAY
PLAY-SW
8
REC-R
REC-R-SW
7
REC-F
REC-F-SW
6
PACK
PACK-SW
5
CPM
M
4
SOLENOID
SOL
3
GND
2
END
PHOTO
1
CN2
3
WH1
L-PLAY
1
Lch
L-REC
2
R/P
R-REC
3
Rch
R-PLAY
4
GND
5
ERASE
ERASE
4
6
IC1 : HA12230NT
Q1-4 : RK7002
Q5,11,12,18 : DTC124EUA or
UN5212
Q6,7 : 2SA1286-T11
Q8,9 : KRC103M or
UN4212
Q13,14 : 2SC2785(F,E)
Q15,16 : KTC3200 or
2SC1845(F,E)
Q17 : DTA124EUA or
UN5112
Q19 : KTC3205 or
2SC3940A(R,S)
5
D1-3 : 1SS133 or
HSS104A
RECORDING LINE
SIGNAL LINE
GND LINE
B LINE
+B
6
7
B
RXD-M55E-H (X28-3202-70)
C9, DESTINATION
A
10
COUNTRY ABB.
EUROPE
NO NO
RXD-M55E-N (X28-3202-70)
DESTINATION
YES YES
COUNTRY ABB.
EUROPE
RXD-M55E-S (X28-3202-70)
C9,
A
10 DESTINATION
COUNTRY ABB.
NO NO EUROPE
YES YES
(X28-3200-11)
1 22
9.3V
+9V
2 21
SOLENOID CAPSTAN
CONT. CONT.
3 20
R39
Q7 Q6
47K
4 19
5
Q9 Q8
6
7
8 23
+9V
IC1
PB/REC EQ.
SYSTEM IC
PLAY (Lch)
6
4.6V
5
4
3
2
1
4.6V
Q2
9.2V
R26
R36 1M
10K
Q4
Q5
R28
1M
REC
: 4.2V
R/P
SW
Q11,12
9.26V
REC
BIAS
L4
CONT. SW
Q19
10uH
+9V
5.8V
(REC MODE)
D3
Q12
Q11
REC
: 4.2V
+9V
Y39-4252-70
C
RXD-M55-S (X28-32XX-XX)
C9, DESTINATION
UNIT No. A
10
E4 2-70 YES YES
C9,
UNIT No. A
10
E5 2-70 YES YES
C9,
X29-CN72
UNIT No. A
10
E3 2-70 YES YES
2/3
CN1
2 4 6 8 10 12
1 3 5 7 9 11
9.3V
VCC VCC
R37
47K
PLAY
: 4.9V
+9V
+9V
PLAY (Lch)
C13
4700P
4.6V
R7 8.2K
C5
0.01
PLAY
: 4.2V
REC
: 8.2V
4.6V
PLAY
: 4.2V
4.6V
REC
C6
: 8.2V
0.01
4.6V
R8
8.2K
C14
4700P
L2 10mH
REC (Rch)
C24 220P
Q1
BIAS
R25
(Rch)
1M
Q3
R27
1M
Q1-4
MUTING
(REC/PAUSE)
5.2V 4.7V
(REC MODE) R54 10 (REC MODE)
1/4W
BIAS OSC
(105kHz)
L3
Q13
OSC
Q14
RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S
D
C9,
UNIT No. A
10
COUNTRY ABB.
U.S.A. K 00-11 NO NO
AUSTRALIA X1 00-11 NO NO
EUROPE E 02-70 YES YES
SHANGHAI V 12-10 NO NO
CAUTION: For contin-
ued safety, replace
safety critical compo-
nents only with manu-
facturer's recommend-
A D - 5
ed parts (refer to parts
list).
critical components.
For continued protec-
tion against risk of fire,
14 16 18 20 22
replace only with same
13 15 17 19 21 23
type and rating fuse(s).
To reduce the risk of
electric shock, leakage-
current or resistance
measurements shall be
carried out (exposed
REC : 4.8V
parts are acceptably
PLAY : 0V
STOP : 1.5V
insulated from the sup-
REC/STOP : 4.9V
ply circuit) before the
PLAY : 0V
appliance is returned to
the customer.
The DC voltage is an
actual reading mea-
sured with a high
REC (Rch) impedance type volt-
meter with no signal
input. The measure-
VCC
9.2V
ment value may vary
depending on the mea-
suring
used or on the product.
C19
4.7u50
+
4.6V
DOLBY and the dou-
IC1
ble-D symbol are trade-
4.6V
marks of Dolby Labora-
tories Licensing Corpo-
ration. Noise reduction
C20 0V
circuit made under
4.7u50
4.6V
+
license from Dolby Lab-
4.6V
oratories
Corporation.
R19
10K
R22
15K
C23 220P R21
15K
L1 10mH
BIAS
(Lch)
A
C60 C59
1000P 1000P
R61 Q15
5.6K
R62 Q16
5.6K
BEAT
CANCEL
Q18
Q17
+9V
RXD-M55 (1/3)
E
indicates safety
instruments
Licensing