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Block diagram
[FRONT PCB-1]
VFD1
VFD DISPLAY
IC651
VFD DRIVER
DIMMER
CONTROL
RMC
IC625
Q626
Q627
DIMMER-1
DIMMER-2
BN651
BN652
[FRONT PCB-2]
STANDBY LED
D625
5V
CONTROL
Q625
DIMMER LED
D626
S602 to 615
VR601
KEY MATRIX
ENCODER
USB
JK971
BN971
Main section
IC401
MICON
Q402
RESET
JK981
AUX IN
IC372,Q371
AUX SIGNAL DETECT
Q361,Q362
IC371
AUX LEVEL
BUFFER
SELECT CTRL
TUNER PACK
3.3V
9V
9V
Q354
Q352
VCC3.3V SW
VCC9V SW
CN401,CN402
CN801,CN802
CD
IC701
MECHANISM
ASP
FOUCS COIL
3.3V
TRACKING COIL
FEED/SPINDLE
MOTOR
IC703
8V
OP/CL
MOTOR
CD ON/OFF
MOTOR
DRIVE
X860
12MHz
IC862
5V
CN860
5V REG.
Q862
USB POWER
CD servo section
CONTROL
Q243
RELAY
CTRL
X401
X402
8.0MHz
32.768kHz
Q201,Q202
MUTE CTRL
AHB CONTROL
IC501
LOGIC
FUNCTION
CONTROL
TREBLE
BASS
AUX
IC551
AHB PRO
18dB AMP
VOLUME
REC
TUNER
AMP
CD
TAPE
ZD501,ZD502
+/-4.7V REG.
TREBLE/BASS
CIRCUIT
+/-9V
X801
IC802
IC801
16.9344MHz
DRAM
DSP
1.8V
IC803
1.8V REG.
Q703
Q861
CONTROL
3.3V REG.
Q896
USB ON/OFF
CONTROL
3.3V
IC860
USB HOST
IC105
AMP.
RY201
RELAY
+/-VP
CN141
DC PROTECT
Q144
SHORT
PROTECT
DRIVE
PROTECT
BC CNT
HP MUTE
THEMAL PROTECT
IC112
IC111,IC110
9V REG.
-9V/12V REG.
15V
IC113
8V REG.
D111
VFD AC
-28V
CN102
CN103
BN903
BN102
BN101
PT902
IC901
SUB
5V REG.
TRANS
D901
to D905
DIODE
Q903
RY901
RELAY
RELAY
CONTROL
TRANS
Trans & Regulatorsection
SP201
SPEAKER
L-ch
R-ch
FAN
FAN
MOTOR
CN204
JK991
HEAD
Q291
PHONE
Q292
+/-VP
D101
CN101
AC
CORD
L901
FILTER
-AC
2-1
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