Kenwood RXD-790 Service Manual page 8

RXD-790/V860/V890
(3) CD STOP key
With the selector on TUNER, when the [CD STOP]
key operated, the preset memory can be changed
as 10 steps.
î10 – – î 20 – – î 30 – – î 40 – – î 00 ( – – )ì
(4) AUTO, TUNING UP/DOWN
With the selector on something other than TUNER,
the E.Q (Flat, Min, Max) settings can be made by
pressing the [AUTO] key and the tuning [UP]
[DOWN] keys.
[AUTO] key
TUNING [DOWN] key
TUNING [UP] key
(5) CD SKIP UP/DOWN keys
With the selector on TUNER, the P. CALL is operat-
ed by pressing the skip UP/DOWN keys.
SKIP [UP] key
SKIP [DOWN] key
6. Main microprocessor M38198MCA-807FP (X14: IC1) : RXD-790
6-1 Microprocessor periphery block diagram
(X14) IC5
EXPANDER
SERI PARA
DOLBY PROLOGIC
(X08) IC1
PRO LOGIC
(X08) IC2
DOLBY
(X08) IC4
C,S VOL.
(X08) IC7
SEL.
ST P.LOG.
CD/VIDEO CD
(X32) IC6,7,9,
EXPANDER
SERI PARA
(X32) IC10
VIDEO CD
µ-COM
VIDEO CD
(W02-)
(X32) IC14
DAC
CD
MECHANISM
(CDM-27)
(X32) IC2
4ch BTL
(X32) IC1
RF SERVO
(X32) IC2
DSP
8
CIRCUIT DESCRIPTION
E.Q Flat
E.Q Min
E.Q Max
P.CALL up
P. CALL down
M38199MF-069FP (X14: IC1) : RXD-V860/V890
RECEIVER SECTION IC_CLK/DATA
(X09) IC1
STB
SELECTOR
NJU7313
POWER
(X09) IC5
MUTE
SYSTEM IC
LC75393E
CE
(X05) IC2
PLL
LC72131
ST. CLEAR
(X28)
IC6
DECK
PH
EXPANDER IC
MECHANISM
NJU3714D
GT-E5000
(X28) IC1
SYSTEM IC
HA12209F
DECK
(X32) IC6
PARALLEL-SERIAL
TC74HC166AP
(X32)
IC5
CD MECHANISM
EXPANDER IC
UNIT
NJU3711
CDM-27
(X32) IC3
(X32) IC2
4ch BTL
CD DSP
(X32) IC1
CXD2509Q
RF SERVO
CD
(6) CD OPEN/CLOSE keys
With the selector on TUNER, the channel space
(emphasis) settings can be mad cyclically by press-
ing the OPEN/CLOSE keys with E1 and K2 version.
(7) Other keys
During the test mode, it can be operated in a special
manner that is different from an ordinary operation
by using the keys on the main body, specifically as
shown in the following table.
TAPE INDICATION
OF VOL.
KEY VALUE
RVS MODE 1
DOLBY NR 44 (MID)
A/B 86 (MAX)
DUBBING
O.T.E
RXD-790/V890
OPERATION KEY
CD ¢
CD 4
TAPE ¡
TAPE 1
(X14) IC1
M AIN
u- COM
GRID (10)
SEGMENT (42)
(X14) IC2
SPEANA
BA3834S
KEY
MATRIX
13SCAN 4RETURN
CD
CD/VIDEO CD
DOLBY PROLOGIC
Press mode key in the AUX mode
1 time 2 times
BALANCE INPUT LEVEL
L -13
CENTER -4
R +2
-8
-3
DISCRIPTION
CENTER LEVEL UP
CENTER LEVEL DOWN
REAR LEVEL UP
REAR LEVEL DOWN
(X14) ED1
FL
RXD-790 RXD-V860 RXD-V890
O
O O
O O