Kenwood KCR 377 R Service Manual

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Extracted text from Kenwood KCR 377 R Service Manual (Ocr-read)

Page 1

CkssaEgig77R/RY/32R KENWOOD

SERVICE MANUAL

Extension cord Parts No.
Cassette mechanism (7P) W05-0477-00
Cassette mechanism (10P) W05-0609-00

Escutcheon Cassette lid Knob (RELEASE)
(307-2163-02) (Asa-163843) (K24-1948-04)

. mo
'ﬂmsc

-- m

cm
_ m 0

cu. mm: s

Front glass Panel assy

(810-3003-11) : KRCA377R/RY (A62-1634-12) : KRC-377R/RY

(510-3006-11) : KRC-32R (A62-1636-12) : KRC-32R
Plastic cabinet assy DC cord Mounting hardware assy

(1302446643) (E304666-05) (J21 31907.23)

¢\\
Lever Antenna adaptor
(D10-4197-04) (T90-0523-05)

Mechanism operation description is the same as KRC-558 or KRC-663. Refer to the service
manual (B51-7070-00) of KRC-558R or the service manuals (351-7070-00) of KRC-663.

Page 2

KRC-377R/RY/32R

CONTENTS

BLOCK DIAGRAM .............................................................. 3
COMPONENT DESCRIPTION ........................................... 4
MICROCOMPUTERS TERMINAL DESCRIPTION ............ 5
ADJUSTMENT ..

PC BOARD .......
SCHEMATIC DIAGRAM ................................................... 11

EXPLODED VIEW (MECHANISM) ................................... 17
EXPLODED VIEW (UNIT) ................................................. 18
EXPLODED VIEW (UNIT) ................................................. 19
PARTS LIST ............................ 20

SPECIFICATIONS BACK COVER

Page 6

KRC-377R/RY/32R
MICROCOMPUTER'S TERMINAL DESCRIPTION

Pin No. Pin Name Function I/O Description Processing Operation STBY
51 P14/ANI4 T_MODE I Tape mode input INPUT
52 ' P1 S/ANIS SUB+ 0 Sub motor + Loading=UStop=H L
53 P16/ANI6 SUB" 0 Sub motor - Loading=H/Stop=H L
54 P17/ANI7 BU_DET | Back up supply detect Bup on = L INPUT
55 AVdd 5V -----
56 AVref 5V ----------
57 P20/SI1 L_DATAL I LCD data input Active H INPUT
58 P21/SOI L_DATAS I/O LCD data output/reset"H"=Amber Active H L
59 P22/SCK1 L_CLK 0 LCD clock output Active H L
60 P23/STB REQH O CH data request output Active H L
61 P24/BUSY L_CE 0 LCD data chip enable Active H L
62 P25/SIO/SBO DATAC I CH data input Active H INPUT
63 P26/SOO/SB1 DATAH 0 CH data output Active H L
64 P27/SCKO CH_CLK O CH clock in/output Active H INPUT

ADJUSTM ENT
TEST MODE

1 To enter test mode
While holding the "FM" key and preset "6" key, reset the unit.
AII indication segments are ON at the beginning oI test mode.

2 To release test mode.
Simply reset the unit. .
(NOTE) The test mode is not canceled by ACC OFF, momentary power down or the panel detaching.

AZIMUTH ADJUSTMENT
TEST TAPE : TOG-153
Set the controls and switches as follows. LOUD : OFF
BALANCE : center position DOLBY NR : OFF
FADE : center position
BASS : center position
TFIEBLE : center position
AZIMUTH

OUTPUT SETTINGS

FWD HVS

(nun VIEW)