Block Diagram - JVC TH-D7B Service Manual

Dvd digital cinema system
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Block diagram

DVD section
A, B, C, D, E, F, RF+, LPC1, LPC2
LD(CD)
LPCO1, LPCO2
DVD pickup
LD(DVD)
Q101 to Q104
CDLDCUR, DVDLDCUR
LASER DRIVER
mechanism
SPDRV, TRSDRV
F+/-, T+/-
FODRV, TRDRV
IC201
SPMUTE, FG
FM+/-, WOUT, VOUT
UOUT, COM
DRVER
DVD traverse
TRVSW
mechanism
X301
SDA
27MHz
IC510
SCK
EEPROM
X302,IC303
48MHz
MA0 to 11, MDQ0 to 15, BA0, BA1, MCK
IC505
DQM0, DQM1, NCSM, NRAS, NCAS, NWE
SDRAM
D+/-
VBUS
NEN, NOC
USB
5V
IC801,Q801
D6V
5V REG.
IC705
A5V
A5V
REG.
iPod amplifier section
IPOD_RX
IPOD_TX
IPOD_DET
IPOD_C
IPOD_Y, IPOD_CV
iPod-Y, iPod-Cv
IC762
VIDEO DIFF. AMP
i Pod
iPod-L/R
IC761
IPOD_L/R
AUDIO DIFF. AMP
CHARGE
Front panel section
DI601
FL DISPLAY
F+/-
D6301
DVD LED
D6102
ILLUMINATION LED
D6101,Q6101,Q6102
STANDBY LED
Touch
PLAY-LED
STOP-LED
D6801 to D6803
sensor
PAUSE-LED
Q6801 to Q6803
OSC
FUNCTION LED
SENSE PLAY
PLAY
SENSE STOP
STOP
IC641,IC642,Q6401,Q6402
TOUCH
SENSE PAUSE
PAUSE
Q6501,Q6601,Q6701
SENSOR
TOUCH SENSOR AMP.
MIC
IC701
IC702
MIXIN
ECHO
MIC IN 1
Q7101 to Q7104
DIGITAL
MIC-MUTE
MIC AMP.
ECHO
MIC IN 2
MIC-DET
5V
AV10V
IC703
5V REG.
Mic
Headphone
HEAD
PHONE
DVDOUT0 to 7, H_AOUT0 to 2, H_TX, SCK, SDA
CPURST, HCLK, VCLKO, H_BCK, H_LRCK, H_MCLK
P3.3V
D1.2V
IC302
IC305
S3.3V
D1.2V REG.
3.3V
D4V
REG.
NEXCE
EXADT0 to 15
IC512
NEXOE, NEXWE
IC513
IC509
LADR0 to 15
EXADR16 to 20
LATCH
FLASH ROM
IC301
IC453
DV5
3.0VDET
CPURST
S2UDT, U2SDT, UCLK, SCS, UCS, RX, DAC1OUT to DAC5OUT
AOUT0 to 2
DAC0CS to DAC2CS
DP, DM
DCLK, DDATA, DACPDN
IC701 to IC703
BCK, LRCK, DACCK
AUDIO DAC
ADIN
ADCPDN
IC704
AINL/R
A6V
AUDIO ADC
LOADING MOTOR
Loader
section
CHARGE
CHARGE REG.
S1 to S17
G1 to G11
DI-DT
DI-CK
DVD_LED1
IC601
DI-CS
DVD_LED2
FL DRIVER
MIC
ILLUMI1/2
Used for Area suffix UG/US/UX
KEY1
S6201 to S6207
KEY2
KEY MATRIX
STB
IC611
REMOCON
HP_L/R
REMOCON
PLAY
PLAY
Q3001,Q3002
STOP
STOP
Q2501
H.P MUTE
PAUSE
PAUSE
Q2511
PLAY-LED
Q2521
STOP-LED
PAUSE-LED
DI-DT, DI-CK, DI-CS
KEY1, KEY2, STB,REMOCON, PLAY, STOP, PAUSE
FL,Key matrix
PLAY-LED, STOP-LED, PAUSE-LED, HP-DET
ECHO, MIC-MUTE, MIC-DET
Used for Area suffix
Used for Area suffix UG/US/UX
UG/US/UX
HP-L/R
HP-DET
IC181
A10V REG.
DVDOUT0 to 7, H_AOUT0 to 2
H_TX, SCK, SDA, CPURST, HCLK
VCLKO, H_BCK, H_LRCK, H_MCLK
HA3.3V
DVDPWR
HD3.3V
IC4
D2V
D4V
3.3V REG.
HS3.3V
IC5
D4V
3.3V REG.
HDMI section
D6V
HS4V
US6V
Micon, Video driver section
DVDPWR
D4V
D6V
USB6V
RX, Y2, CB, CR, C, Y1
FAOUTL/R
S2UDT, SCS, CPURST, DVDPWR
RAOUTL/R
CAOUT, SWAOUT
UCS, UCLK, U2SDT
UCS, CK/CLK
U2SDT/RX
IPODRX
IC212
IPODRX
LEVEL SHIFT
SAFETY1
LRMUTE
Q2001
SAFETY2
Q2002
LO-OPEN
TRAY+/-
IC261
LO-CLOSE
M
LOADER
LO-SWOP
LO-SWCL
S1
TRAY SWITCH
FAN_L
FAN
Q1901 to Q1905
FAN_ON
FAN+
M
MOTOR
FAN DRIVER
TU_CE, TU_DI, TU_DO, TU_CK
RDS_ON, RDS_DT, RDS_CK
TUNER
Q2701
UNIT
TU_L/R
TU9V
TU_PON
Q2702
TU9V
CN201
REG.
AV10V
S_MUTE
FiPod
IC291
US6V
IC331
TUNER L.P.F.
TU_L/R
L+RCIN, L+RSWIN
ADIN_L/R
IPOD_L/R
IC321
E.VOLUME
SMUTE
LOUT
SLOUT, SROUT
(LRMUTE)
COUT, SWOUT
ROUT
Q3401
Q3502,Q3503
SYSTEM MUTE
SL/SR/C/SW MUTE
LVL_DET1
IC351,Q3531
LVL_DET2
Q3532,Q3541
IC301
LEVEL DETECT
Q3501
LR MUTE
HPMUTE
D2V, D3.3V
D4V, S5V
IC161,Q1611
DVD5V REG.
AV10V
US6V
M9V
IC162
Q1701,Q1702
US12V
+VL
US6V REG.
M9V REG.
A11 to A14
IC1
B11 to B14
IC3
HDMI TX
CABLE EQULIZER
With SWITCHING
SCL3
HPD1
SCL1, SDA1
SDA3
Q1001
IC2,IC7,IC8,Q1010
SCL_SINK
HPD3
to Q1009
LEVEL SHIFT
SDA_SINK
HPD CTRL
HPD_SINK
HDMI_SEL
HPD_ACNT
HDMI_CE
HPD_BCNT
CN1
CN203
HPD_ACNT
HPD_BCNT
HDMI_CE
HDMI_SEL
RX
ASW1
ASW2
X2101
8MHz
VS1, VS3
BLANK
WP
SCL
CV OUT
SDA
IC241
Y2
EEPROM
IC211
CB
SYSTEM
CR
V_MUTE1
Y2 OUT
INH
MICON
Q2201
V_MUTE2
CB OUT
INH
V_YCMIX
CR OUT
V_RGB
IC421
V_LPF
VIDEO
DRIVER
RESET
Q2301
RESET
C
VIN_SW1
Y1
YOUT, COUT, CVOUT
VIN_SW2
IC411,IC412
IPOD_Y
YIN2, CIN2, CVIN2
IPOD_TX
Cv/Y/C
IPOD_C
IPOD_DET
IPOD_CV
3ch Switch
Used for Area suffix B/E/EN/EV
ASW4
Used for Area suffix A/UG/US/UX
AUX_L/R
DVD_FL/FR, DVD_SL/SR, DVD_C, DVD_SW
IC381,IC382
5.1SW
5.1ch SW
VOL_CK
VOL_DT
RELAY
SAFETY3
Audio amplifier section
THERMISTOR
RELAY
SAFETY3
SL, SR, C, SW
Q5804
THERMISTOR
VL SHORT
L, R
DETECT
SL, SR
C
IC501,IC502
SW
L, R
POWER AMP.
FLch, FRch
SLch, SRch
+/-VH, +/-VL
Cch, SWch
CN501
CN105
D1201,D1202
DIODE BRIDGE
US12V
D1301,D1302
S3
DIODE BRIDGE
F+/-
STB
-VDISP
Q1401,Q1402
S4
DVDPWR
F+/-,-VDISP SW
STB
Notes:Q1101 Only used for Area suffix UG/US/UX
B5V
IC111,(Q1101)
B5V REG.
US12V
Transformer and Regulator section
A31 to A34
B31 to B34
HDMI
INPUT
Y1 to Y4
Z1 to Z4
HDMI
OUTPUT
HS5V
HS6V
IC6
TX5V REG.
COAXIAL
DIGITAL IN
IC361,IC362
DIGITAL IN
SWITCH
OPTICAL
DIGITAL IN
Q4521
BLANKING
Used for Area suffix
to Q4525
FUNCTION
B/E/EN/EV
SCREEN
SCART
MODE
TERMINAL
AUDIO L IN/R IN
COMPONENT
VIDEO OUT
C OUT
Used for Area suffix
Y1 OUT
A/UG/US/UX
CV OUT
VIDEO OUT
S/COMPOSITE
VIDEO IN
L-IN
IC461,Q4601
R-IN
AUDIO SW
AUX IN
IN-FL/FR, IN-SL/SR
5.1ch
IN-C, IN-SW
AUDIO IN
Q5801 to Q5803
RY591
FL OUT
Over Current
to
FR OUT
& DC Detect
RY593
SL OUT
Q5901
SR OUT
Q5101,Q5201
C OUT
Q5902
SW OUT
TO
Q5301,Q5401
SPK
Q5501,Q5601
RELAY
SPEAKER
PROTECTOR
Used for Area suffix
S1
S2
UG/US/UX
S1001
TRANS
VOLTAGE
S3
FORMER
SELECTOR
S4
RY101
Q1001
RELAY
AC
D1101 to D1104
T1101
DIODE BRIDGE
TRANS
INPUT
FORMER
2-1

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