Block Diagram - Kenwood RXD-790 Service Manual

(X05-466) (K,M,X)
(X14)
(X05-475) (V)
A1
REMOTE
TUNER
SENSOR
BLOCK
(X28)
IC2
-22dBS
IC1 HA12209F
A PB AMP
60mV
A PB
A
A B
PB
LEVEL
VR7,8
IC3
B PB AMP
IC4
BA3126N
B R/P
B
PB
LEVEL
VR1,2
BIAS TRAP
REC OUT
VR3,4
Q5
B ERASE
BIAS BIAS
OSC CONTROL
MECHA.A,B
Q7,8
BEAT CANCEL
Q10,11
(X32)
RXD-V860/V890
(CDM-27)
T25-0050
IC1
E
A
C
RF AMP/SERVO
B
CXA1782BQ
F
Q5
LD
LD
SW
IC3
FOCUS
COIL
FOCUS COIL
DRIVER
LA6537
TRACKING
4ch BTL DRIVER
COIL
TRACKING COIL
DRIVER
FEED MOTOR
F.M
DRIVER
DRIVER MUTE
DISC MOTOR
D.M
DRIVER
START
LIMIT SW
TRAVERSE UNIT
D40-1500
ROTARY MOTOR SPEED CONTROL
IC5
ROTARY
R.M
DRIVER
LOADING
L.M
DRIVER
IC4
SW1-SW5
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

BLOCK DIAGRAM

ED1 IC1 IC2
SPEANA
FL DISPLAY MAIN
u-COM
IC3
EXPANDER
L1
REC IN
MPX
REC
DOLBY
DCL
PB
120u
PASS
70u
L.P.F.
OTHER
CHANNEL
NJU3714D
IC6
IC5
MECHA. A,B
BA10393
P.H A,B
MOTOR A
VR5,6
MOTOR B
Q1,2
MOTOR-
Q3,4
SOL-
LED A,B
L,R
RF
9V
IC2
IC8
DSP/DAC
CXD2500BQ
SPOB
MDP
XLON
DRIVER GAIN
CONTROL
IC6
IC9
S/P
NJU3713D
RXD-790/V860/V890
(X09)
MIC
Ω
1.6mV/2.2k
TUNER OUTPUT
Ω
FM:600mV/3.3k
Ω
AM:180mV/3.3k
MIC1,2
AUX IN
Ω
200mV/47k
OTHER CH
AUX IN
AUX OUT
(X05) (X08)
Ω
200mV/1.1k
AUX OUT
0dBS
580mV
PB OUT
+5V
MS
OUT
MS MAIN
IC DATA1
IC CLK
IC DATA
E STB
5V
DSP
5.6V
MOTOR
12V
u-COM
5V
(X08)
MUTE
Q7-10
IC14
AUDIO OUT
(AC10V)
DAC
PCM
D12
IC9
Q13,14
EXPANDER
SERE PARA. AVR
IC10 (W02)
VIDEO-CD VIDEO
VIDEO
u-COM CD
OUT
1Vp-p
Ω
/75
HIGH SPEED
REC SIGNAL
D.P.S.S
IC7
P/C P/C
IC6
RXD-790/V890
(1/2)
MIC AMP MIXING
IC6
VR1
(2/2)
IC8
IC7
MIC
ECHO
INPUT
SEL.
IC1
AUX
CD
TUNER
TAPE
OFF
SRC
ON
IC2-4
IC10
SRS
IC5
ELECTRIC
VOL.
VOICE
CANCEL
GE.
N.B
Q5-16
MAIN
AMP
Q3,4 Q1,2
ATT MUTE
IC7
SEL
SUR. 2ch
Rch
IC2
PRO
LOGIC
S
IC1
C
DOLBY
IC5
S RXD-790/V890
E-VOL
IC3(2/2) IC6(2/2)
Q10 Q2
ATT MUTE
IC3(1/2)
IC6(1/2)
Q9 Q1
ATT MUTE
(X09)
RXD-790/V890
FINAL
5.6V 12V -30V -12V TR
IC9 Q56 Q61 Q60,63
AVR AVR AVR AVR
D20 D25,26 D28
POWER SUPPLY
RXD-790/V860/V890
PHONES
SUPER
WOOFER Ω
2V/1k
PRE OUT
+
L
-
MAIN
SP.
-
R
+
SP.OUTPUT
Ω
2ch 24.5V/6
Ω
FRONT 17.2V/6
Ω
SUR. S ch 20V/8
Ω
C ch 20V/8
+
L
-
SURROUND
SP.
-
R
+
+
CENTER SP
-
AC
5