Kenwood RXD-790, Service Manual

Page: 33 / 58

CB BS BU BW BY CA BT BV BX BZ
Y39-2600-20
RXD-790/V860/V890
(X32- ) (B/2)
(X09- ) (E/5)
(X09- ) (D/5)
(X09- ) (B/5)
(X09- ) (C/5)
RXD-790/V890(K) (5/8)
(X09- ) (D/5)
(X09- ) (D/5)
IC9
RXD-V890 ONLY
22.2V
-47.5V
47.7V
0.7V
4.9V
22.0V
4.9V
0V
4.9V
12.9V
5.5V
22.0V
11.8V
0.7V
-46.3V
0V
-45.8V
-32.8V
-32.3V
-12.6V
-13.2V
47.7V
0V
-45.2V
-47.5V
-45.7V
0.4V
4.7V
4.5V
0V
1.1V
0V
46.0V
-0.6V
45.5V
1.1V
-0.6V
0V
46.0V
45.5V
0V
0.5V
0.5V
0V
0V
0V
0V
23.0V
-33.3V
0.7V
0V
0V
-4.1V
0V
-12.6V
0V
47.7V
0V
0V
1.1V
1.1V
-1.1V
-0.5V
0V
-1.1V
-47.5V
-1.1V
0V
0V
0V
47.7V
47.7V
0V
-1.1V
-0.5V
1.1V
1.1V
0V
0V
47.7V
-B LINE
+B LINE
AC19.7V
AC5.1V
12.3V
P
O
K
L
N
M
V
V
D8
Q20
Q21
LIMITER
VOLTAGE
O
24,32-44
D28
RBV-402LFA
: D3SBA20F03 or
: MTZJ24(B) or
UZ-24BSB
: MTZJ11(B) or
UZ-11BSB
2SC1845(F,E)
TC4066BP
RXD-V890 (X09-4XXX-XX)
RXD-790 (X09-4720-XX)
FRONT
DRIVER
P2
SP.
Q19
D40
SPEAKERS
FRONT
RELAY
CN19
ON/OFF
POWER
Q22
D43
WH3
E6
Q23
DRIVER
RELAY
D39
WH2
WH2
E3
2SD2012
: 2SD2061 or Q61
Q59
CN7
D11,12
S2
D10
D9
J6
D16
UZ-6.2BSB
: MTZJ6.2(B) or
D8
: BU4066BC or
: M65844P
IC8
IC7
CN7
WH1
WH2
D13
CN7
MIC
D31 : MTZJ13(B) or
UZ-13BSB
: MTZJ4,7(B) or
UZ-4.7BSB
D29,30
: S5688B or
1SR139-400
D25-27
: D5SBA20F03 or
RBV-602LFA
D20
: NJU7313AL IC1
: NJM4565D-D IC2-4,6,10
: LC75393E IC5
: TA78057S IC9
: 2SC2878(B) Q1,2
: 2SC1740S(Q,R) or
Q3,4,19,20,22,23,57,58,62
2SC2785(F,E)
: 2SC2389S(S,E) or Q5-8,17,18,54,55
: 2SA992(F,E) Q9,10,51-53
: 2SC4137F50(V,W) Q11,12
Q13,14 : 2SD2389
Q15,16 : 2SB1559
: 2SA933AS(Q,R) or Q21,50,59
2SA1175(F,E)
: 2SD1893 Q56
: 2SB1370 or Q60,63
2SB1375
: 1SS131 or
D1-6,9,10,13-15,21,22,
HSS104A
: MTZJ5.1(B) or D7
UZ-5.1BSB
: MTZJ5.6(B) or D17,23
UZ-5.6BSB
: MTZJ16(B) or D18,19
E4
E5
E1 E2
UZ-16BSB
J5
N
POWER
TRANSFORMER
PHONES
D12
D11
DRIVER
RELAY
D27
D28
D24
Q62
D26 D25
5.6V AVR
CN6
P3
-30V AVR
D23
D21 D22
12V AVR
12V ON/OFF
D36
Q58
D17
Q57
Q56
LIMITER
LIMITER
FINAL TR.
Q11
Q13
Q17
Q15
Q16
Q18
Q14
Q12
D18
D19
Q61
-12V AVR
Q60
D31
D20
PROTECT
Q52
D7
D6
Q54 Q55
Q51
Q53
DRIVE
MUTE
D5
Q50
Q10
Q8
Q6
Q9
Q7 Q5
Q4 Q2
Q3 Q1
ATT(-6dB) A MUTE
D33
D32
I
Q63
4-11
(H)
AC220V 60Hz
X AUSTRALIA
T2.5A 250V T4A 250V T4A 250V NO
F5
T2AL 250V
5A 125V
F5
T2AL 250V
2W
120
R213
+5.6V
+5.6V
+5.6V
+38V
+38V
+23V
+23V
+5.6V
+5.6V
+23V
+23V
+23V
-38V
+5V
+5V
-12V
-12V
-12V -12V -12V -12V
-12V
-12V
+5.6V
+38V
+38V
-38V
-38V
-38V
-38V
-38V -38V -38V -38V -38V -38V
+5.6V +5.6V +5.6V
+23V
+12V
+12V +12V +12V
+23V
-B
-38V
+23V
+38V
-38V
+38V
-38V
-38V
-38V
1/4W
-38V
+38V
+23V +23V
+23V
-B
-B
+23V
+23V
-38V
+38V
-B
+38V
-38V
-12V
-12V
-12V
+5.6V +5.6V
-30V -30V -30V
+5.6V
+5.6V
+5.6V
+5.6V
+12V
+23V
-26V
-12V
-12V -12V
-12V
-12V
+23V +23V
+23V
+23V +23V
+12V
+12V
+12V
-12V
+5V
+5V
+5V
+12V
+12V
+12V
YES
W67
NO
NO
YES
F7
NO
A
YES
NO
I MALAYSIA
M GENERAL MARKET
195
W180,193,
NO
UNIT No.
0-11
DESTINATION
COUNTRY
U.S.A. K
ABB.
NO
YES 0-20
0-71
KOREA H
+5.6V
F5
F5
F8
F9
F3
F2
F1
21
NO
193,195
YES
720-20
UNIT No.
YES
A F7
NO
822-10
W67,180, CN20,
ABB.
M
I
COUNTRY
GENERAL MARKET
MALAYSIA
V SHANGHAI
DESTINATION
NO
YES
21
CN20,
R218
220 2W
10K
R219
2.2K
R220
0.1
0.1
R70
R69
R55
R56
C98
0.1
R90 12K
12K R89
K2
2.2K 2W
R224
R222
2.2K
R223 10K
DOLBY
HEADPHONE
PRO STB
CS RELAY SP RELAY
1 2 3 4 5
R200
10
SP GND
6
5
4
3
2
1
CN9
CN11
CN8
CN10
R225
100 2W
R226
2.2K
R227
10K
DOLBY ON
R216 10K
R217
2.2K
R214
2.2K
R215
4.7K
AC110-120V/
WH7
WH8
WH6
WH5
1/2W
K3
R221
4.7K
7/8
X08-CN1
-E7
X14-A/2
8/8
X08-E2
7/8
X08-E1
7/8
3
1
2
T1A 250V
CN10 CN11
+23V
+23V
+23V
+23V
+23V
+12V +12V
+12V +12V
-B
+B
+38V
+23V
+23V
+23V
-B
-B -B
-B
+23V
+5.6V
+5.6V
+23V
+23V
3900u63 3900u63
25
26
24
CN14 CN15
CN17 CN16
F4
T3.15AL 250V
SIGNAL LINE
GND LINE
RECORDING LINE
+38V
+38V
+B
+B
+B
+38V
+23V +5.6V
+38V
+38V +38V +38V +38V
+38V
+38V
+23V
+
-
Rch
1
2
W3
+
-
Lch
(X)
AC240V 50Hz
AC220V 50Hz
(V)
60Hz
AC120V
R188
R187
CN16 CN17
5A 125V
R198
3.3M
WH4
(K) TYPE
26 25 24
1
3
4
5
6
7
2
1
3
4
5
6
7
2
7
6
5
7
6
5
4
3
3
4
2
2
1
1
26 25 24
12 13
2
8
9
11
10
12
8
9
11
10
12
R32
100K
R31 100K
C167
C134
R161
R199
C168
ECHO B/S
2
1
W3 W8
+
C147
47u10
8/8
X14-A/2
-E4
+
C143
-E3
8/8
X14-A/2
+
C144
1
2
220-240V
50/60Hz
(M,I) TYPE
(X,H,V) TYPE
CN13 CN12
K1
CN24 CN25
CN23 CN22
~
~ -
+
C154 0.1 C153 0.1
R196
10K
R194
220 2W
R195
2.2K
R189 1K 2W
R190 1K 2W
C149
0.1
IN
12 13 11 10
STEREO
SD
ECHO A/DET
SPEANA
9 7 8 6 5
POWER
HIGH TAP
S BUSY
PLL DO
IC CE
4 2 3 1
LEVEL
+12V
IC DATA
IC CLK
R83 680 R85 680
R86 680 R84 680
+
C152
4.7u35
R193
1.5K 1/4W
+
220u63
C151
OUT
GND
C148
0.1
R180 5.6K
R184
10K
+
C166
100u10
100
R192
R185
10K
+
C165
2.2u50
R209
100
C164
100P
R181
2.2K
R179
5.6K R183
5.6K
R182
5.6K
+
C139 47u16
Q13~16
1/4W
1/4W
R87 4.7
C65
R88 4.7
C66
1/4W
1/4W 1/4W
1/4W
R191
1.5K 1/4W
+
C150 22u35
+
C57 22u50
C60
0.12
R82 1.5K
R79
3.9K
R81
1.5K
R75 0.22
R77 0.22
1/4W
2W
2W
1/4W
R78
0.22
R80
3.9K
R76 0.22
C58 22u50
+
1/4W
2W
2W
R64 3.3K
R62
2.7K
0.12
C59
6.8K
R171
R172
560
+
C140
C145
0.01
C146
0.01
C142
3300u35
+
+
- ~
~
680 2W
R177
10
R186
4.7K 680 2W
47u16
+
C163
+
10u50
C141
470u35
1/4W R173
100
+
C138
47u16 R176
10K
R39
68K
R40 68K
R169
10K
R170 3.3K
+
C137
22u63
R168
1K
R167
47K
R166
1K
R164 100K
R165
82K
+
C136
2.2u100
+
100u10
100K
R163
2.2K
R211
4.7K 2.2K
R162
R54 10K
560 R50
C56
100P
R58 8.2K
R72
33 1/4W
R73
33
R67 7.5K R65 7.5K
R68 7.5K R66 7.5K
R74
33
510 R60 2.2K
C55 100P R57 8.2K
R71
33
R61 2.7K
R59 2.2K
510
R63 3.3K
R51
5.6K
91
R52 5.6K
C53 220P
R53 10K
R49
560
C47
47P
C51
2200P
R47
1K
C45 1000P
R45 10K
R43 2.4K
+
C43
10u50
R42
47K
R41
47K
R35
3.3K
R91
180K
R37
2.2K
R36
3.3K
R92
180K
R38
2.2K
R33 100K
R34 100K
+
0.47u50
47K
+
4.7u35
+
C44
10u50
R46 10K
C46 1000P
91
+
C49
220u6.3
+
C50
220u6.3
C54 220P
C52
2200P
R44 2.4K
R48
1K
47P
C48
+
C135
100u63
C169
0.1
C114 470P
+
C42 2.2u50
R133
1K
F8,9
T4AL 250V
8A 125V
F8,9
T4AL 250V T4AL 250V T2.5AL 250V
F1,2 F3
F3
4A 125V
T2.5AL 250V
F1,2
T4AL 250V
6A 125V
F6
P4
X
X
X
X
X
X
( )
( )
)
(
)
(
)
(
)
(
(
)
(
)
(
)
)
( (
) )
(
CAUTION: For continued safety, replace safety
critical components only with manufacturer's
recommended parts (refer to parts list). indi-
cates 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-current or resis-
tance 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 as the
AM/FM signal generator is specified to the con-
ditions as shown in the list below. The mea-
surement value may vary depending on the
measuring instruments used or on the product.
The value shown in (
) is actual reading mea-
sured in the AM made.
RXD-790/V860(K) SD4P( 97.11.28 6:51 AM y [ W 8