Block Diagram - Kenwood RXD-V323 Service Manual

TUNER UNIT
FM RF IC101
FM ANT ANT
RF MIX IF
CF1 CF2
AMP AMP AMP
GND
GND FM RF
TUNE
AM ANT
FM SECTION
OSC BUFF
AM SECTION
FM
Q102
TUNE
OSC
AM RF Q105
TUNE
RF
AMP
IC103
PLL
Q107,108
L.P.F
IC401
10
CD
11
0/30db
9 2db stop 2
I CBUS DECODER + LATCHES
TUNER
12
8
G
TAPE
13
4 VOLUME TREBLE
AUX
14
15 17 16 18 27
IC402
AMP
AUX
OUT
LEVEL DET.
MUTE
Q403,
Q404
IC302
VOCAL FADER
PCB ASSY
LPF
CLK D/A
CONTROL SRAM
LPF
IC301
MIC 1
A/D
AMP
MIC
Q301
BUFF
MIC VR
MPEG UNIT
from CD-DSP PCB
CPU LC867240A
IC08
LC74202E
CPU I/F
MPEG DECODER
START TRIGGER
MPEG BIT
MPEG AUDIO
STREAM CD-ROM
IC02 SYSTEM MPEG AUDIO
PTS
DECODER DECODER DECODER
(from CD DSP
LC78630E)
TRACK 1
MPEG VIDEO
INFORMATION
PTS
MPEG VIDEO
DECODER
DRAM ARBITER
CD DSP CLOCK
16.9344MHz
PAL/
54MHz
PLL+VCO
17.734475MHz
4MBIT DRAM
IC10
LC32V4265T
CD MECHA. UNIT
OUT
RC
FILTER
IC102
IC01 LA9241M
AM
RF SIGNAL PROCESSING/SERVO AMP
IFT
ANALOG SIGNAL PROCESSOR(ASP)
u-COM
IC04 BA5936S
CD POWER DRIVER
T/T MOTOR
TRAY MOTOR
TDA7439
30
SCL
1
SDA
29
DIG-GND
IC403
PRE-AMP
OUT
SPKR ATT 5
MIDDLE BASS L/R 6
Q407,
VREF
3
Va
SUPPLY
4
AGND
SYSTEM
28 26 19 25 20 22 21 24 22 2
MUTE
CREF
VOLUME
METER
IC303
8 6,9 3,13
ECHO VR
SW
A
1
LOGIC B
C
Q302
MIX
OSD
IC07
LC74772V
Rch
P/B
Lch
Q18,19
VB OOT VIDEO BUFFER
2SA1175E
FILTER
NTSC/
Q20
R/P
14.31818MHz
2SC2785E
VIDEO O/P
Q22
2SA1175E Q203, Q204, Q202 Q201
Q205 Q206
R/P SWITCHING
S01-04
CONTROL SW
IC03 LC867240A
M'PEG u-COM
u-COM
Lch
IC02 LC78630E
IC05
AUDIO
DIGITAL SIGNAL
NJM4558L
OUTPUT
COMPACT DISC PLAYER
OP AMP
Rch
DSP
XTL01
16.9344MHz
DISC
M
MOTOR
FEED
M
MOTOR
JK502
LIMIT IN
SW
Q511,
512
MUTE
+VCC
IC501
POWER AMP
RL501
408
+12V
DETECTOR
-VCC
Q501-503
Q504
TO FROM
PROTECT
SPK PROTECT IN
CURCUIT
D702
Q703 Q701
+7.5V
+
to
CD/VCD BLOCK
Q704
VDD +5.6V
Q706 +12V
to CPU
+VCC
+
+12V/MOTOR
+
-VCC
-12V -VP
-2VCC
Q218
A/B
SWITCH
REC
REC BUFFER
TAPE OUT
O/P
REC
PLAY
CN404
AMP
AMP
from
A/B
MPEG
13
ALC
IC201
CD/VCD
BLOCK
Q217
TUNER PLL
IC601
TAPE OUT
REC CPU
Q211/L201
BUFFER CONTROLLER
BIAS
OSC
REC
LOGIC DECK
DRIVER
FLD DRIVER
R/P IC801
CASS
ERASE
CONTROL FLD DISPLAY
LOGIC DECK
HEADPHONES
JK501
SPEAKER
JACK
CN701
VF
to
VF
X'FORMER
D701
JK402
VIDEO OUT
VOL/EQ
ECHO
KEY
MATRIX
RXD-V323