Kenwood RXD 771 S Service Manual

Page 1

RXDE501~751(K)COVER(98t4t23le42 y [w 2 if

MINI HiFi COMPONENT SYSTEM

RXD-501/501E/501W/551/551E/551W/5718/A5/ KENWOOD
701/701 E/701W/751/751E/751W/7718/A8

SERVICE MANUAL
(XD-501~A8)**

© 1998-3/351-5420-00 (K/K) 3661

L

From glass Lighting board
(810-) (B19-1589-04)

Lighting board
(B19-1586-04) (A60-)

MINI in cnmzm 5mm

Phone jack 1 I
O (E11-0169-05) lK-l w @ (EON
Cassette lid (L)

5.5 (m

(A53-)

Front glass
(310-2445-13)

AUTO REVERSE

Amy

AUTO REVERSE

Lighting board
(B19-1587-03)

a

KENWOOD

"Refer to page 2 if you want to know system configuration.

Panel assy

Knob
(K29-)

Phone jack
(E11-0280-05)

Cassette lid (RV
(A53-)

From glass
(310-2447-13)

Panel (CD)
(A29-)

* Refer to parts list on page 58.

In compliance with Federal Regulations, following are reproduc-
tions of labels on, or inside the product relating to laser product
safety.

Refer to RXD-500/700 (851-5300-00), If you require

KENWOOD-Cropt certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.

DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM

TUNER preset frequency in detail.

Page 8

JRXD 501 151m) covwmgs 4_ 2321- 43 y [w 15 41%
RXD- 501/551/571/A5/701/751/771/A8

CIRCUIT DESCRIPTION

(6) CD SKIP UP/DOWN keys (7) CD OPEN/CLOSE keys
With the selector on TUNER, the P. CALL is operated With the selector on TUNER, the channel space set»
by pressing the skip UP/DOWN keys. tings can be mad cyclically by pressing the
SKIP [UP] key P.CALL up OPEN/CLOSE keys with M version.
SKIP [DOWN] key P. CALL down (8) REC/ARM

Whenever the REC/ARM key is pressed, the indica»
tion of SW. (ON/OFF) is available.

4. Main microprocessor

4-1 Microprocessor periphery block diagram

CD MECH X28 '06
EXPANDER IC DECK MECH
CUM-27 TC74HC166AP
x09, |C10
x14, |C1
7\ FL DRIVER uCOM
1 uPD780204
X09, |C1
_> SELECTOR IC
NJU7313AL
X09, IC11 M38199MF-075FP
RDS Ic 4»
SAA6579 U'COM
x32, |C2
DSP 4-» x09, lC4
CXD2587Q 4» SYSTEM IC
M62430FP
x09, I09 X05, i02
SPEANA lC PLL IC
BA3834SK LC72131