Block Diagram - JVC NX-D7UX Service Manual

Block diagram

DVD section
A, B, C, D, E, F, RF, VREFH, LPC
SDA, SCK
LPCO1
LPCO2
Q101 to Q104
CD-LD CDLDCUR
DVD-LD DVDLDCUR
LASER DRIVER
VR-DVD
VR-CD
TX, RX, DAC1OUT to DAC5OUT
DVD MSW Q105 to Q107 DVDCDSW
SCS, UCS, UCLK, S2UDT, U2SDT
DVD-CD SW
traverse
IC301
mechanism
NEXCE, NEXOE
X301
SPDRV, FG
F+/-
NEXWE
TRSDRV 27MHz
T+/-
EXADT0 to 15
FODRV
EXADR16 to 20
FM+/- TRDRV DV5
IC201
WOUT
SPMUTE
DRIVER
VOUT
DCLK, DDATA, DACPDN
UOUT
BCK, LRCK, DACCK
COM
X302, IC303
AOUT0, DAC0CS
48MHz
TRVSW
MA0 to 11, MDQ0 to 15
BA0, BA1, DQM0, DQM1
IC505
MCK, NCSM, NRAS
NCAS, NWE
SDRAM
NEN
IC801 , Q801
D6V
5V REG.
DP, DM
5V
Front panel
CN811
section
W8300
Ripping section
USB C D+, D-
(NX-D7 only)
5V
USB6V
(NX-D7 VCC1
IC802 , Q811
D+, D- REGOUT1
only)
5V 5V REG. USBPWR1
USB B
HD1+, HD1-
HD0+, HD0-
USB5V
USB6V
USB A D+, D-
IC801 , Q801
VCC0
REGOUT0
5V REG.
USB/JACK USBPWR0
section
XD0 to 15, XA0 to 16
AUX-IN
XA20, XA21, SD_CS
IC501
SD_CLK, SD_CKE, WE
SDRAM
HPL, HPR AUXL
HP
XD0 to 15, XA0 to 21
HPSW AUXR
IC901
OE, WE, CS
SRAM
CN840
Mic circuit section
MIC_CAL
IC800
IC801
MIX_OUT MIC_SIG
MIC-IN MIC AMP.
MIC1
ECHO &
MIC_DAT, MIC_CLK, MIC_FLG, RECL, RECR
MIC2
SCORE
MIC_DET
IC920 IC921
,
D9200 to
Q9201
D9207
LED DRV.
VOL LED
CN920
CN901
Touch Board section
DIMMER, VOL_LED1
to VOL_LED4
TOUCH
Vol_1 to Vol_8
SENSOR
IC901
SCL
SDA/TXD
I/O CONT.
D9001 to 9012 IC902
MCLR
LED DRV.
LED DRV.
LED
No.MB711
Q902 Q903 TX_SDA, TX_SCL, TX_HPD
IC902
DVOUT0 to DVOUT7
LEVEL SHIFT
H_AOUT0 to H_AOUT2
CEC
SDA
H_TX, H_MCLK
TX0+,TX0-
SCL
HCLK, VCLKO
TX1+, TX1-
Q905
TX2+, TX2-
IC901
TXC+, TXC-
CEC
HDMI TX CEC_IN
HA3.3V, HD3.3V
CEC_OUT
IC510
TX5V
IC453
EEPROM P3.3V
US6V
IC906 D6V, D4V
3.0V DET
TX5V REG. US6V
CEC3.3V
CPURST
D4V
P3.3V
IC305
IC509
S3.3V
DVDPWR
3.3V REG.
IC512 , IC513
FLASH ROM
D4V
HA3.3V
IC905
HD3.3V
3.3V REG.
D2V
IC302
D1.2V
A5V A6V
IC705 D1.2V REG.
IC701
A5V REG.
FAOUTL, FAOUTR
AUDIO DAC
LRMUTE
TRAY SW
R_BCK, R_DATA, DEMP
M
R_LRCK, COPY, TRACK LOADING MOTOR
CN703
CN703
TINL
TXBCK, TSRDATA, TCDEMP
DAI, DAO, LRCK
TINR
TSLRCK, TCDCOPY, TCDTNO
MCLK, BCLK
TOUTL
ADCPDN, DACPDN
IC701 TOUTR
CODEC
IC301
X301
12MHz
D3.3V
RIPPING
IC480 IC504
SDA, SCL
CONTROLLER EEPROM 2.7V DET
XD0 to 15, XA0 to 20
IC502
OE, WE, CS, MODE0
NOR FLASH
TELERST
COMDO, STATI
A4V
D4V
A3.3V
IC303 , IC304 IC703
D3.3V
TELEPWR
D1.8V 1.8V/3.3V REG. A3.3V REG.
M_LED
Remote
D8900 IR LED
sensor
REM
IC880 IR DET
section
FL display Section
VDISP, FL_CLK, FL_LATCH
FL_DAT, FL_BLANK
FL870 FL DISPLAY
F+, F-
LED_STBY
D8950 STANDBY LED
F_KEY1
S8801 to S8806 FUNCTION KEY
HDMI
OUTPUT
System control section
CEC_IN
CEC_OUT
A9V
Q5010 Q5020
A6V
A9V / A6V REG.
DVDPWR
U2SDT, S2UDT, SCLK
SW_LV1
SCS, UCS, CPURST
SW_LV2
IC502
SPI Q5600 , Q5601
SW
Q5700
LPF / GAIN
DVDL SPI CCT
DVDR
IC501
LRMUTE SAOUT
Q5500
Q5200
OPNSW_TRY
Q5510
Q5201
CLOSW_TRY
VOLOUTL/R
TRAY_OPN Q5300 H.PHONE
TRAY_CLS AMP/ MUTE
Q5301
AHB
AHB_FB
CCT
1
AHB_ON
AMP_RY
TINL RECL FREQAMP
VOL_DAT
HPMUTE
TINR
RECR LEV_DET
VOL_CLK
IC500
DC_DET
TOUTL
TOUTR
4
AMP_ON
AMP_MODE
AMP_MUTE IC225
E.VOLUME
AMP MODE
2
3
TELRSRT
TELEPWR
T2S_DT
S2T_DT
TU_CE
TU_CLK
AUXL
TU_DO
AUXR
TU_DI
HPL, HPR
HPSW
MIC_CAL
RECL
MIC_CLK TH_SAFETY1
RECR B+
MIC_DAT
MIC_SIG INH
MIC_FLAG
AMPPWER_SPLY
MIC_DET
SYS_PON
Q2450 MOTION_LED
IC220
IC100
LED DRV.
D2V
REMCN_IN
Q1001 , Q1200
D4V
T1001
D6V
A13V
MICON
DC/DC
M9V
CONVERTER
FL_CLK, FL_DAT, FL_LATCH S5V
FL_BLANK, F_KEY1, LED_STBY
F+, F-, VDISP
SAFETY
F+, F-, VDISP
RESET
X2000
8MHz FAN_SP
TS_SCL
FAN_SFTY
TS_SDA
TS_MCLR
(No.MB711<Rev.002>)3/35
C_OUT, Y/G_OUT
VIDEO OUT
PR_OUT, PB_OUT
IC301 (COMPOSITE)
Y_OUT V, Y, Pb, Pr
VIDEO DRIVER
VIDEO OUT
(COMPONENT)
V_MUTE
V_DVDIPOD
TX
DIGITAL
OUT
A13V
Amp section
X6501 X6502
700KHz 800KHz
SWOUT
J6100
AMP_BEAT IC650 , Q6500 , D6501, D6502
OSC SELECT SPEAKER
OSC
L LEFT
LIN, RIN
IC610 R
RIGHT
LR AMP.
LOUT
+28.5V, -28.5V
ROUT
SUB
SW_IN
SW1
IC630
WOOFER1
MODE
SW AMP.
SUB
SW2
+28.5V, -28.5V
WOOFER2
AHB_FB
D6901
(NX-D7 only)
AHB FB
LEV_DET
D6801 to D6803
LEVEL DETECTION
DC_DET
IC670 , D6701
DC DETECTION
AMP_RY
+28.5V, -28.5V
Q6200 , RY620, RY621
RELAY
B+
CN601
TUL, TUR
Tuner Module
CN2
Power Unit
+B, -B
3.3V
AC INPUT
THERMO
B3.3V P.CONT
SYNC, VOLT
CN4
Q1900
W1800
P.ON
DRIVE
VOLTAGE
SELECT
D2V
D4V
Q1501
D6V
SAFETY
A13V
M9V
IC221
B 3.3V
RESET
13V
Q2401 Q2400 ,
M
FAN MOTOR
FAN DRIVE
created date:2009-09-08