Block Diagram - JVC UX-G300B Service Manual

Block diagram

Front panel section
LCD,Key switch,LED & Remocon
FLDATA
GR1 to 10 FLLATCH
IC720
FL720 SG1 to 18 FLCLK
LCD
LCD DISPLAY
-VDISP
F+/-
DRIVER
D7000
STBYLED
STANDBY LED
IC700
REMOCON
REMOCON
S7100 to S7105 KEY1
KEY MATRIX
S9500 to S9504 KEY2
KEY MATRIX
JS960 JOG+/-
ENCODER
Key switch & Encoder
AUX/HP/USB Jack
AUXINL/R
AUX IN
HPSW
HEAD HPL/R
PHONE
USB
USB5V
D+/-
W800
CN802
CD servo control section
USB5V
USB6V
IC802,Q801
5V REG.
USBD+/- USBNPP
USB_IN
STREQ, STIN, STCLK
IC801
CS, USBTX, USBRX
USB_IN, USB_NRST
USB
CONTROL
X801
12MHz
SPINDLE
SM+/-
M
TRVP, SPOUT
IC301
MOTOR
TRP, FOP
IC201 Q301
FEED FM+/-
MUTE
M
CD CPU/CD RF
MOTOR
DRIVER
F+/-
CD
VF1, VF2
SERVO/DSP
T+/-
VT1, VT2
traverse
LD, MD
& pickup
mechanism
PSW
SW601
REST SW
System control section
F+/-
-VDISP
FLDATA
FLLATCH
FLCLK
STBYLED
REMOCON
KEY1
KEY2
JOG+/-
SAFETY1
Q3802
SAFETY
X3001
REG.
8MHz
HPSW
AUXINL/R
HPMUTE
HPL/R IC503,IC504,IC505
HEADPHONE AMP./MUTE
OPENSW, CLOSESW
Loader
S1
section
TRAY SWITCH
TOPEN
IC360
TCLOSE
TRAY+/-
M
LOADING MOTOR MOTOR
DRIVER
Connection section
USB6V
UCS, SCS, SCLK
UCS, SCS, UCLK
U2SDT, S2UDT
U2SDT, S2UDT
CPURST, LRMUTE
NRST, LRMUTE
CDL, CDR CDL, CDR
SCL
SDA IC302
EEPROM
&
X301
16.9344MHz
IC304
3.3V D4V
3.3V
REG.
IC300
MICON
VOLCLK
VOLDATA
VOLLATCH
LEVEL_DET
PROT
RST
DC_DET
Q3301
MUTE
STBY
RESET
AMBEATCUT
AHB
OUTL
LOUT
OUTR
ROUT
IC502
Q5301
Q5351
AHB_CTL
OPENSW
Q5401
CLOSESW
TOPEN
AHB
TCLOSE
UCS
SCS
SCLK
U2SDT
S2UDT
CPURST
LRMUTE
CDL, CDR
FDVD5V
ECO
PDOWN
FREQCTL
FSW10V
CN302
CN204
FREQCTL
USB_SW
US3.3V
FSW10V S10V
(FDVD5V)
IC211
USB6V
Q2100,Q2103
SW10V REG.
US3.3V
+18V
Q2304 ECO
US3.3V REG.
+18V
TUL/R
S10V
Q3801
RIPPLE FILTER
IC500
VOLUME
AHB_CTL
LEVEL_DET
LEVEL DETECTION
/ AHB CONTROL
LIN
RIN
PROT, DC_DET
MUTE, STBY
AMBEATCUT
POWER AMP.
Power amp section
SW6V
S10V
F+/- -VDISP
+18V
FW301
CN201 CN203
-VDISP
F+/-
SW6V,USB6V
Q2125 to Q2127
IC260
Q2303,Q2131,Q2132
Primary & Regulator section
US6V REG.
FL SW
+18V
+18V
T2000
-VDISP
D2151
POWER
F+/-
D2131
TRANS.
D2121
PDOWN
IC201,IC210, Q2160,Q2161
SW REG.CONTROL
TU_CE
TU_CK
S2TDT
T2SDT
TUAMSW
RDSCLK
RDSDATA
TUNER
PACK
A9V
TU9V
D6402,D6601
L+/-
IC600
R+/- TO
Q6001
SPEAKER
+18V
CN640
W2000
+18V
D2001
DIODE AC IN
BRIDGE
2-1