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PDF RXD-790 Data sheet ( Hoja de datos )
| Número de pieza | RXD-790 | |
| Descripción | MINI HiFi COMPONENT SYSTEM SERVICE MANUAL | |
| Fabricantes | Kenwood | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RXD-790 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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MINI HiFi COMPONENT SYSTEM
RXD-790/V860/V890
SERVICE MANUAL
(XD-790/V860/V890)
© 1997-9/B51-5357-00 (K/K) 1586
Knob*
(K29-)
Knob
(K29-6759-12)
Front glass
(B10-2282-12)
Cassette lid
(A53-2019-12)
Knob
(K29-6866-02)
Lighting board
(B19-1563-13)
Knob
(K29-6865-02)
Front glass
(B10-2391-02)
Panel
Knob
(A60-1245-11) (K29-6864-03)
ON/STANDBY
RESET
∞
MINI HiFi COMPONENT SYSTEM
ROCK
CLASSIC
M/R
EQ.OFF
POP
UP MULTI CONTROL
/VOLUME
MIC1
MIC2
EX.BASS
MIN.
MAX.
MIC MIX.
DISPLAY BEST HITS
DEMO AUTO POWER
SAVE
PRO LOGIC 3 STEREO STEREO SRS 3D MODE
DOLBY
TUNING
BAND
AUTO ENTER
INPUT
PHONES
0
PUSH
OPEN
0
PUSH
OPEN
REV. MODE DOLBY NR REC/ARM DUBBING O.T.E.
1
2
7
3 ¡ A/B
1DISC
DISC SELECTOR
2DISC
3DISC
TIME DISP.
4
7
6
¢
DISC
SKIP
OPEN/CLOSE
0
Knob
(K29-6863-03)
Knob
(K29-6861-04)
Phone jack
(E11-0280-05)
Knob
(K29-6832-13)
Front glass
(B10-2283-12)
Cassette lid
(A53-2020-12)
Knob
(K29-6832-13)
Knob
(K29-6865-02)
Knob
(K29-6832-13)
In compliance with Federal Regulations, following are reproduc-
tions of labels on, or inside the product relating to laser product
safety.
Illustration is RXD-790.
* Refer to parts list on page 62.
KENWOOD-Corp. certifies this equipment conforms to DHHS Reg-
ulations No. 21 CFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM.
1 page  
RXD-790/V860/V890
BLOCK DIAGRAM
(X05-466) (K,M,X)
(X05-475) (V)
TUNER
BLOCK
(X14)
A1
REMOTE
SENSOR
ED1
FL DISPLAY
IC1
MAIN
u-COM
TUNER OUTPUT
FM:600mV/3.3k Ω
AM:180mV/3.3k Ω
IC2
SPEANA
IC3
EXPANDER
OTHER CH
(X05) (X08)
(X09)
A PB
(X28)
-22dBS
60mV
B R/P
IC4
BA3126N
IC2
A PB AMP
IC1 HA12209F
A
A
PB
LEVEL
VR7,8
IC3
B PB AMP
B
B
PB
LEVEL
VR1,2
BIAS TRAP
120u
70u
L1
MPX
REC IN
REC
DOLBY
PB
DCL
PASS
OTHER
CHANNEL
L.P.F.
B ERASE
REC OUT
VR3,4
BIAS
OSC
Q7,8
MECHA.A,B
Q5
BIAS
CONTROL
BEAT CANCEL
Q10,11
NJU3714D
MECHA. A,B
P.H A,B
MOTOR A
MOTOR B
MOTOR-
IC6
IC5
BA10393
VR5,6
Q1,2
0dBS
580mV
PB OUT
+5V
MS
OUT
MS MAIN
IC DATA1
IC CLK
IC DATA
E STB
(X32)
RXD-V860/V890
(CDM-27)
T25-0050
E
A
C
B
SOL-
LED A,B
L,R
IC1
RF
RF AMP/SERVO
CXA1782BQ
F
LD
FOCUS
COIL
TRACKING
COIL
Q5
LD
SW
IC3
FOCUS COIL
DRIVER
LA6537
4ch BTL DRIVER
TRACKING COIL
DRIVER
F.M
D.M
START
LIMIT SW
FEED MOTOR
DRIVER
DRIVER MUTE
DISC MOTOR
DRIVER
DRIVER GAIN
CONTROL
Q3,4
5V
DSP
5.6V
9V
MOTOR
12V
u-COM
5V
IC2
DSP/DAC
CXD2500BQ
IC8
MUTE
Q7-10
SPOB
MDP
XLON
IC14 AUDIO OUT
DAC
PCM
IC9
EXPANDER
SERE PARA.
(AC10V)
D12
Q13,14
AVR
IC10
VIDEO-CD
u-COM
(W02)
VIDEO
CD
HIGH SPEED
REC SIGNAL
D.P.S.S
TRAVERSE UNIT
D40-1500
R.M
L.M
SW1-SW5
ROTARY MOTOR SPEED CONTROL
IC5
ROTARY
DRIVER
LOADING
DRIVER
IC4
IC9
S/P
NJU3713D
IC6 IC7
P/C P/C
MIC
1.6mV/2.2k Ω
MIC1,2
AUX IN
200mV/47k Ω
AUX IN
AUX OUT
200mV/1.1k Ω
AUX OUT
IC6
(1/2)
RXD-790/V890
MIC AMP
MIXING
IC7
MIC
ECHO
IC6
(2/2)
IC8
VR1
INPUT
IC1 SEL.
AUX
CD
TUNER
TAPE
OFF
SRC
ON
IC2-4
SRS
IC5
ELECTRIC
VOL.
VOICE
CANCEL
GE.
N.B
IC10
Q5-16
Q3,4
ATT
MAIN
AMP
Q1,2
MUTE
(X08)
IC7
SEL
SUR.
2ch
VIDEO
OUT
1Vp-p
/75 Ω
IC2 PRO
LOGIC
S
IC1
C DOLBY
IC5
E-VOL
S
IC3(2/2)
Q10
ATT
IC3(1/2)
Rch
RXD-790/V890
IC6(2/2)
Q2
MUTE
IC6(1/2)
Q9
ATT
Q1
MUTE
(X09) RXD-790/V890
5.6V
12V
-30V
FINAL
-12V TR
IC9 Q56
Q61 Q60,63
AVR
AVR
AVR
AVR
D20 D25,26
POWER SUPPLY
D28
PHONES
SUPER
WOOFER
PRE OUT
2V/1k Ω
+
L
- MAIN
- SP.
R
+
SP.OUTPUT
2ch
FRONT
SUR.
S ch
C ch
24.5V/6 Ω
17.2V/6 Ω
20V/8 Ω
20V/8 Ω
+
L
- SURROUND
- SP.
R
+
+
CENTER SP
-
AC
RXD-790 (X32) : Refer on page5 (X32) of RXD-500/700 servi manual (B51-5300-05)
RXD-V860 (X092) : Refer on page5 (X09) of RXD-500/700 servi manual (B51-5300-05)
(X08) : Except RXD-V860
RXD-790/V860/V890
5
5 Page 
RXD-790/V860/V890
CIRCUIT DESCRIPTION
7-2 Expander IC port description
7-2-1 Display section NJU7314(X14 : IC5)
Pin No.
Name
I/O
Description
1
SRS_LED
O SRS LED
2
3ST_LED
O 3STEREO LED
3
PRO_LED
O PRO LOGIC LED
4
H.TAP
O HIGH TAP control
5 VSS
GND
6
DC_OFF
O CD DSP power supply
7
DOLBY
O DOLBY ON/OFF (LOW TAP)
8
SP RELAY
O SP relay control
9
CS RELAY
O CS SP relay control
10 SO O Shift resister data output
11 DATA I Data input
12 CLK I Lock
13 STB I Strobe
14 CLR I Data clear
15 VSS
GND
16 EMPHASIS O FM emphasis changeover
17 ECHO A O ECHO Control
18 ECHO B O ECHO Control
19 POWER O Power supply control
20 VDD
Power supply (5V)
H=ON
H=ON
H=ON
H=ON
H=OFF
H=ON
H=ON
H=ON
H=100k
H=ON
H=ON
H=ON
L=OFF
L=OFF
L=OFF
L=OFF
L=ON
L=OFF
L=OFF
L=OFF
L=50kHz
L=OFF
L=OFF
L=OFF
7-2-2 DECK section NJU7314(X28:IC6)
Pin No.
Name
I/O
Description
1
BEAT-C
O Beat cancel
2 R/P O REC/PLAY changeover
3
RMUTE
O REC MUTE
4 A/B O A/B play changeover
5 VSS
GND
6
BIAS
O BIAS changeover
7 NR O Noise redaction changeover (DOLBY)
8
D-R/P
O Dolby REC/PLAY changeover
9
LMUTE
O LINE MUTE
10 SO O Shift resister data output
11 DATA I Data input
12 CLK I Clock
13 STB I Strobe
14 CLR I Data clear
15 VSS
GND
16
A-SOL
O A deck solenoid control
17
A-CPM
O A deck motor control
18
B-SOL
O B deck solenoid control
19
B-CPM
O B deck motor control
20 VDD
Power supply(5V)
H=ON
H=REC
H=OFF
H=B
H=ON
H=ON
H=REC
H=OFF
H=ON
H=ON
H=ON
H=ON
L=OFF
L=PLAY
L=ON
L=A
L=OFF
L=OFF
L=PLAY
L=ON
L=OFF
L=OFF
L=OFF
L=OFF
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet RXD-790.PDF ] | |
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