C929
2
BLOCK DIAGRAM
SW5V
L.P.S.
EJ SW
ARM SW
12.5MHz
X2
SPINDLE/LO-EJ
SLED
LOE SW
TR COIL
FO COIL
BTL
EEPROM
&TEXT DECODER
APC
SA5V
Q1
S8V
SYSTEM u-COM
IC7
IC1
RF AMP&SERVO DSP
P-ON
Q10
Q15,16
Q20
BU. DET
IC8
7
13
4
5
8
2
IC5
MG SW
8V AVR
S8V
S-RAM
24
C
BU14V
CH RST
AUDIO
OUT
3
HOT
IC9
RST
7V/9V
5V
Q21,22
M5V
D5V
SW5V
S3
S2
S1
SW5V
M
&DC MOTOR
DRIVER
ELEVATOR
M
AVR
SA5V
Q9
&D/A CONVERTER
&SCF
SD5V
F
E
A
D
B
PD
D5V
AVR
BUS I/F
IC11
to
HEAD
UNIT
D.R.I.V.E.
DAC
DIGITAL FILTER
IC10
4
16.93MHz
X1
5VREG
IC4
AUDIO VREF
IC2
DA5V
IC3
L.P.F
S8V
0bit MUTE
Q4,5
MUTE
Q6-8
RELAY
K1,2
Q23,24
AUDIO
3
NO SW
S4
BUS DRIVER
IC14
6.29MHz
X3
7
2
CH-MUTE
Q14
CH MUTE
SYS-ON
Q13
SYS ON
Q2
DOUT
to OPTICAL OUT
D-OUT
Q25
DG-CON
DG-CON
Q1
D5V
ASSY
(X13- )
(X32- )
C929
(X16- )
(X92- )
PICKUP
XOFF
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