Block Diagram - Kenwood RXD-M31MD Service Manual

MAIN BOARD
JK301
-3dB
AUX IN
ATT
JK101
FM
ANT TUNER
AM
CASSETTE BOARD
IC701
R/P
BIAS TRAP
DECK
+12V
Q712
BIAS
Q713
ERASE OSC
DECK
MECHA.
IC201
VR201
CXA1571M
CD FE-BIAS
(RF-AMP)
MECHA.
IC203
BA5979S
(4ch BTL-DRIVER)
JK302
DIGITAL OUT
DIGITAL OUT
X1
IC501
(5MHz) U.K.D
KDATA
U.T.D
SERCH
uPD78058GC-B20
DSCK
MD-ST
MD MECHA.
RESET
DSTB
PDOWN CONTROL u-COM
MDDATA
LOAD SW
CN502
MD MECHA.
MDM-98A
IC702
IC703
PB AMP
REC AMP
IC202
FE Lch-OUT
TE Rch-OUT
SI
CXD2587Q
RF
(DSP/DAC/CD-TEXT)
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
MDP
MD CONTROL
BOARD
IC401
DIGITAL IN
MD R. D
MD T. D
IC502
5.0V
TC74HCT7007AF
(LEVEL SHIFT)
3.3V
DISPLAY KEY
BOARD BOARD
FL
DRIVER
IC801
IC1001
FL
REMOTE
IC301
AUX
TUNER
BASS
+3dB
MID
DECK
TREBLE
CD
EX.BASS
LOUD
MD
E,T TYPE
ONLY
IC103
RDS
FL FILAMENT
(MAIN u-COM)
KEY
BOARD
Q1001-
J1001 1007
ROTARY LED
KEY
(A/D) ENCODER C0NTROL
POWER BOARD
IC601
POWER
AMP
Q601,
603
MUTE
Q604
+12V
AVR
TRANSFORMER BOARD
+18.5V
POWER
AMP
-18.5V
D+12V
Q607
CD+B +8.0V
Q611
u-COM
+5.6V
F.OFF
Q612
-32V
FL
AVR
AC5.6V
RXD-M31MD
JK602
HEADPHONES
JK601
SPEAKERS
AC IN