Block Diagram - JVC UX-G45B Service Manual

Block diagram

VFD DISPLAY
VFD 1
VFD DRIVE IC
IC651
DIMMER
CONTROL
RMC
IC625
OUT B+
GND
2R 2R
Q626 Q627
BN651 : 8PIN
BN652 : 8PIN
STANDBY LED
D625
5V
CONTROL
2R
Q625
DIMMER LED
D626
KEY MATRIX
P ON/OFF S TURBO BASS TREBLE DIM
VOLUME
CD FM AM USE MEMORY AUX
ENCODER
OPEN/CLOSE DOWN STOP UP
JK971
USB
JACK
MICON
IC401
RESET
CIRCUIT
Q371
AUX IN
R
JK981
IC372
AUX SIGNAL DETECT
C375/C376
Q361/Q362
LEVEL SELECT
BUFFER
CONTROL
IC371
AUX LEVEL SELECT
TUNER PACK
3.3V 9V
Q352
9V
Q354
VCC3.3V VCC9V
CONTROL
CONTROL
CN401, CN402
CN801, CN802
CD MECHANISM
ASP
PICKUP
IC701
FOCUS COIL 3.3V
TRACKING COIL
SPINDLE MOTOR
FEED MOTOR
8V
MOTOR DEIVE
OP / CL MOTOR
IC703
OSC
X860 12MHz
IC862
Q862
5V OUTPUT
Out Vcc
GND
USB POWER
CONTROL
8.0MHz 32.768kHZ RELAY
ON/OFF
CONTROL
X401 X402
MUTE Q201/Q202
MUTE CONTROL
AHB CONTROL
FUNCTION
LOGIC
IC501
CONTROL
C525
C526
TRE
BASS
AUX
18dB
AHB PRO
AMP
VOL
REC
TU
AMP
CD
TAPE
+4.7V / -4.7V
TREBLE / BASS
CIRCUIT ZD501
ZD502
+9V -9V
OSC C805
83
X801 DRAM
84
DSP
IC802
IC801
16.9344M C806
1.8V
IC803
3.3V OUTPUT
R898
Q703
CD ON/OFF
Q861 R897
CONTROL
Q896
3.3V
44
45 USB HOST
IC860
AMP
C203
IC205
L201
C204
L202
+VP/-VP
HEAT SINK
DC PROTECT
SHORT PROTECT
C559
C560
PROTECT
CIRCUIT
BC
CONT
THERMAL
PROTECT
IC551
IC110/IC111
IC111/IC112
Out Vcc Out Vcc
15V
IC113
Out Vcc
RS202
VFD AC
-28V
IC901
IN4001
AC RELAY AC RELAY
CONTROL RY901
TRANS
L-ch
RELAY
RY201
R-ch
FAN
CONTROL
FAN
H.P MUTE
Q291
Q292
+VP
-VP
RS603M
SUB
TRANS
FILTER
PT902
AC
2-1