Kenwood KCR 377 R Service Manual
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Page 1
CkssaEgig77R/RY/32R KENWOOD
SERVICE MANUAL
© 1999-1 PRINTED lN JAPAN
BSl-7427-00(S) 1782
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
@8 Adjust the azimuth for each Lch/Flch or FWD/REV becomes maximum
©
OUTPUT SETTINGS
I:
RH
FWD HVS
(nun VIEW)