Block Diagram - JVC TH-D5B Service Manual

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
NEXCE
5V REG.
EXADT0 to 15
IC512
LADR0 NEXOE, NEXWE
IC513
to 15 IC509
EXADR16 to 20
LATCH
FLASH ROM
iPod AMP section
IPOD_RX
IPOD_TX
IPOD_DET
IPOD_C
IC762 IPOD_Y, IPOD_CV
iPod-Y, iPod-Cv
TO
VIDEO DIFF. AMP
i Pod
iPod-L/R IC761 IPOD_L/R
AUDIO DIFF. AMP
CHARGE
Front panel section
D6101,Q6101,Q6102
STANDBY LED
D6301
DVD LED
TOUCH PLAY-LED
STOP-LED
D6801 to D6803
SENSOR
PAUSE-LED
Q6801 to Q6803
FUNCTION LED
OSC
SENSE PLAY PLAY
IC641,IC642 STOP
SENSE STOP
TOUCH
PAUSE
SENSE PAUSE Q6401,Q6402
SENSOR Q6501,Q6601,Q6701
TOUCH SENSOR AMP.
HEAD
PHONE
DVDOUT0 to 7, H_AOUT0 to 2, H_TX, SCK, SDA
CPURST, HCLK, VCLKO, H_BCK, H_LRCK, H_MCLK
TX_HPD
HPD
IC902
SCL, SDA TX_SCL, TX_SDA
Q901 to Q903
IC901
TX0+/-, TX1+/-
LEVEL SHIFT
HDMI TX TX2+/-, TXC+/-
HA3.3V
TX5V D4V
IC906 US6V IC905
HD3.3V
TX5V REG. 3.3V REG.
P3.3V
D1.2V
IC302
IC705 IC305
IC301 A5V A6V
S3.3V
D1.2V REG.
A5V 3.3V D4V
DV5
REG. REG.
S2UDT, U2SDT, UCLK, SCS, UCS, RX, DAC1OUT to DAC5OUT
CPURST
AOUT0 to 2
IC453
DAC0CS to DAC2CS
DP, DM
3.0VDET
DCLK, DDATA, DACPDN
IC701 to IC703
BCK, LRCK, DACCK
AUDIO DAC
ADIN
ADCPDN IC704 AINL/R
AUDIO ADC
LRMUTE
LOADING MOTOR
Loader
section
CHARGE
CHARGE REG.
IC611 REMOCON
REMOCON
KEY1
S6201 to S6207 KEY2
KEY MATRIX
STB
D6102
ILLUMINATION LED
ILLUMI1/2 DI-DT
DI-CK
DVD_LED1 HP_L/R
Q3001,Q3002
DVD_LED2 IC601 DI-CS
H.P MUTE
FL DRIVER
S1 to S17, G1 to G11
REMOCON, KEY1, KEY2
DI601
STB, HP-DET, DI-DT, DI-CK, DI-CS
F+/-
FL DISPLAY PLAY, STOP, PAUSE
PLAY-LED, STOP-LED, PAUSE-LED
PLAY
PLAY, STOP STOP
Q2501
PAUSE PAUSE
Q2511
PLAY-LED
Q2521
STOP-LED
PAUSE-LED
FL,KEY MATRIX
HP-L/R
HP-DET
IC181
A10V REG.
HDMI
OUTPUT
Micon, Video driver section
DVDPWR
D4V D4V
D6V D6V
D2V US6V USB6V
RX
Y2, CB, CR, C, Y1
S2UDT, SCS, CPURST, DVDPWR
FAOUTL/R
UCS, UCLK, U2SDT
RAOUTL/R
CAOUT
UCS, CK/CLK
SWAOUT
U2SDT/RX
IPODRX IC212 IPODRX
LEVEL SHIFT
SAFETY1
Q2001 SAFETY2
Q2002
LO-OPEN
TRAY+/- IC261 LO-CLOSE
M
LOADER
LO-SWOP
S1 LO-SWCL
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
DVD_FL/FR IC331
DVD_SL/SR
TUNER L.P.F.
DVD_C
DVD_SW L+RCIN
TU_L/R
ADIN_L/R
L+RSWIN
IC321
IPOD_L/R
E.VOLUME
LOUT SLOUT, SROUT
SMUTE
ROUT COUT, SWOUT
(LRMUTE)
Q3502,Q3503
Q3401
SL/SR/C/SW MUTE
SYSTEM
MUTE LVL_DET1
IC301 IC351,Q3531
LVL_DET2
Q3532,Q3541
HPMUTE
LEVEL DETECT
Q3501
LR MUTE
D2V, D3.3V
D4V, S5V
IC161,Q1611
DVD5V REG.
AV10V US6V
M9V
IC162 Q1701,Q1702
+VL US12V
US6V REG.
M9V REG.
X2101
8MHz
WP
SCL
SDA IC241
EEPROM
INH
Q2201
IC211
INH
SYSTEM
RESET Q2301
MICON
RESET
VS1, VS3
BLANK Q4521 to Q4525
SCREEN_MODE
Y2, CB, CR
V_MUTE1, V_MUTE2
V_YCMIX, V_RGB, V_LPF
YOUT
C, Y1
COUT
VIN_SW1, VIN_SW2
IC411,IC412
CVOUT
IPOD_Y
Cv/Y/C
YIN2
IPOD_TX
IPOD_C
CIN2
IPOD_DET 3ch Switch
IPOD_CV
CVIN2
ASW4
AUX_L/R
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
B5V IC111 D1101 to D1104
B5V REG. DIODE BRIDGE
US12V
Transformer and Regulator section
OPTICAL
RX
DIGITAL IN
BLANKING, FUNCTION
AUDIO L IN/R IN SCART
CV OUT
TERMINAL
IC421 Y2 OUT
CB OUT
VIDEO
COMPONENT
CR OUT
DRIVER
VIDEO OUT
S/COMPOSITE
VIDEO IN
L-IN
IC461,Q4601
R-IN
AUX IN
AUDIO SW
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
S1
S2
TRANS
S3 FORMER
S4
RY101
Q1001
RELAY
AC
T1101
TRANS FORMER
INPUT
2-1