
2-1
MA-GA77
Block diagram
TUNER
AU
X
AU
X
I
N
AU
D
IO
AU
D
IO
TA
P
E
P
T
APE P
T
APE P
TA
P
E
R
TA
P
E
R
T
A
PE P/R
CD
CD
L/R
EIC02
AIC01
AIC02
AIC03
FIC02
HIC01
UIC03
UIC04
EIC01
SOURCE
SELECT
OR
& E.V
OL
UIC1
MICOM
ST
AND-BY
SW101
OP/CL
SW107
SW102-106
SW201-212
SW301-313
T
A
PE DECK
B-DECK
A-DECK
VFD
REMOCON
IC201
DSP
IC601
MP3 Decoder
IC602
DRAM
IC301
4ch Motor-D
IC101 RF AMP
. &
SS Processor
IC402 Motor-D
IC401 Motor-D
Po
w
e
r
amp
.
FIC01
T
O
SPEAKER
T
O
W
OOFER
Po
w
e
r
amp
.
WIC01
CON 01
CW103
CW101
UCW01
UCW02
UCW03
UCW04
CW106
CW105
UCW05
TUNER
CW01B
H/P
CW108
CW105
CW104
CW109
CW110
CW106
A
CW2
A
CW1
JIC01
T
A
PE IC
Summary of Contents for MX-GA77
Page 25: ...1 25 MX GA77 Troubleshooting 1 Amplifier Power malfunction No output ...
Page 26: ...MX GA77 1 26 2 Tuner malfunction FM AM 3 Tape ...
Page 27: ...1 27 MX GA77 4 CD ...
Page 28: ...MX GA77 1 28 5 CD MP3 parts ...
Page 43: ...1 43 MX GA77 M E M O ...
Page 51: ...2 5 MA GA77 E F G SHEET 2 5 To CW105 Sheet 4 5 UCW04 UCW02 ...
Page 54: ...MX GA77 2 8 A B C D 1 2 3 4 5 CD section To Switc To CW2 Sensor board ...
Page 56: ...MX GA77 2 10 A B C D 1 2 3 4 5 Tuner section To CW103 SHEET 1 5 ...
Page 57: ...2 11 MA GA77 E F G FM TUNER signal AM signal SHEET 5 5 ...
Page 58: ...MX GA77 2 12 A B C D 1 2 3 4 5 Main board M Printed circuit boards ...
Page 59: ...2 13 MA GA77 E F G Main board ...
Page 60: ...MX GA77 2 14 A B C D 1 2 3 4 5 CD switch boa Front board Front board ...
Page 61: ...2 15 MA GA77 E F G h board oard ...
Page 62: ...MX GA77 2 16 A B C D 1 2 3 4 5 Amp board ...
Page 63: ...2 17 MA GA77 E F G ...
Page 64: ...MX GA77 2 18 A B C D 1 2 3 4 5 CD servo board ...
Page 65: ...2 19 MA GA77 E F G Fuse board Trans board Power supply board ...
Page 87: ...MX GA77 3 21 M E M O ...