Kenwood RXD-803 Service Manual page 7

3-3-4 CD Test Mode
KEY
CD-PLAY/PAUSE
(Change the mode
alternately by the stop key.)
DISC 1
(Cyclically changed in the
stop mode only.)
STOP
TAPE EQ
TAPE EQ
(Press it more than 400msec.)
REVERSE MODE
REVERSE MODE
(Press it more than 400msec.)
4. Microprocessor : M30622MC-A70FP(X13,IC4)
4-1 Microprocessor periphery block diagram
CD MECHA
(CDM-35)
X14,IC1
DOT DRIVER
(LC75711NED)
50
X14,ED1
Vaccume Fluorescent
Display
(HNA-15MM18T)
X32,IC12
DSP IC
(MN662748RPMFA)
RXD-803/803E/853/853E/A83
CIRCUIT DESCRIPTION
DISPLAY
05 :
** ** Tracking-servo on.
03 : Tracking-servo off.
01 : STOP
Adjustment value/mean value
07 TB value FB value
08 TG value FG value
09 TO value FO value
Stop (Press it 1time.)
01 :
Cancel the test mode. (Press it 2 times.)
Ex. 01~02 CD track no. up.
CD FF search.
The pickup travels outward.
Ex. 02~01 CD track no. down.
CD FB search.
The pickup travels inward.
X28,IC1
DECK SYSTEM IC
(CXA1498S)
6
3
M30622MC-A70FP
X13,IC12
RDS IC (E, T, Q)
(BU1923F)
OPERATION
3
DECK MECHA
(CMAT2Z)
5
X13,IC11
SYSREM IC
2
(M62498FP)
TUNER PACK
PLL IC
(LC72131)
7