Block Diagram; Speaker Amp Section - JVC DD-8E Service Manual

Block diagram

<Main body section>
DVD servo section
A, B, C, D, E, F, RF+, CDPD, DVDPD
LD(CD)
LD(DVD)
CDLDO
DVD
Q101,Q103 DVDLDO
FM+/- ADCD
traverse WOUT F+/-
ADDVD LASER DRIVER
VOUT T+/-
mechanism
UOUT SPDRV, TRSDRV, FODRV, TRDRV
IC201
COM DRVMUTE, LCS2, SPNP
DRVER
TX_HPD, TX_SCL, TX_SDA
HPD, DSCL, DSDA
IC802,Q801 to Q803
LEVEL CONVERTER
TX0+/-
TX1+/-
H_D0 to 11, H_DE, H_IDCK, H_MCLK
TX2+/-
H_HSYNC, H_VSYNC, H_SPDIF
HDMI
TXC+/- IC801
H_CSCL, H_CSDA
TERMINAL HDMI TX
HA0 to 2, HD0 to 15
H_RESET IC510
HCS1, HCS3, HRD, HWR
EEPROM
HIRQ, HIORDY
HRST, CPURST
P5_2
CN351
CN801
TXD0 to 3
Network section
SYS_RST
RXD0 to 3
TD+/-, RD+/- DA0 to 2
MDC, MDIO
TCT, RTC DD0 to 15
COL, CRS
LEDGK CS0, IN_TF
TXCLK, RXCLK
IC811
LEDYK RXDV, RXER DIOR, DIOW
RJ45 LAN
ETHERNET-LAN
TXEN, TXER IRQR, IORDY
TERMNAL
IDE_GP0
TRANSCEIVER
IDE_GP1
IDE_RST
X8101
P5_2
25MHz
X8001
10MHz
CE
IC831
IC801
FLASH
P0_0 to 31
NETWORK
ROM
PROCESSOR
CS, WE
IC821
CLK, CKE
SDRAM CAS, RAS
IC851
LANVCC1
1.2V
1.2V REG.
IC841 LANVCC2
3.3V
3.3V REG.
Video Jack section
C, V, Y1, Y2, CB, CR
V_MUTE1, V_MUTE2
IC601
COMPONENT Y, Pb, Pr V_YCMIX, V_LPF, V_RGB
VIDEO
VIDEO OUT
CV/Y
DRIVER
BLANK
BLANKING Q6451
Q6452
B
VS1
G
FUNCTION Q6453 VS3
R/C
SCART
Q6454
AUDIO_L_IN
TERMINAL AUDIO_R_IN
Power Supply section
D9601
VDISP
D9501
IC981
5V
SWITCHING
REGULATOR
T9901 D9401
TRANS 6V
D9010 D9301
AC IN DIODE 9V
BRIDGE
D9201
12V
LA0 to 21, LD0 to 7
LOE, LCS3, LWRLLB IC509 D6V
FLASH ROM
MA0 to 11, MDQ0 to 15, BA0, BA1
DQM, DSCK, NCS, NRAS, NCAS, NWE IC505
X301
SDRAM
27MHz
OUTL/R
LINE_OLO/R IC706
AUDIO LPF
TRVSW
IC301 AIN, TWS, MCLK
TBCK, DACPDN IC704 AINL/R
Phoenix
ADC
FAOUTL/R, RAOUTL/R
TSD0 to 2 IC701 to IC703 CAOUT, SWAOUT
DAC
LCS1
LD0 to 7
ML0 to 2, MC, MD, DACPDN
LA4, LA5
LWRLLB IC309 to IC312 LRMUTE
DECODER
D1.2V S3.3V 1.8V
A5V TX5V
IC302 IC305 IC804
1.2V 3.3V 1.8V
IC705 IC806
REG. REG. REG.
DVD loading
A5V TX5V
REG. REG.
section
D2V D4V D4V
DVDPWR
LOADING MOTOR A6V US6V
&
D2V,D4V
TRAY SWITCH
D4V,D6V,US6V
S5V,M9V
CN1 CN801
CN471 CN473
DVD_BUSY2
TRAY_OPSW
DVD_CK2, DVD_U2SDT
TRAY_CLSW
UCS, DVD_CK
IC425
TRAY+/- DVD_U2SDT2
LEVEL
LOPEN
IC471 FDVD, S2UDT
SHIFT
LCLOSE
DVD_CS, DVD_RST
TRAY
DRIVE
KEY1, KEY2, POWER_KEY
E2CLK
REMOCON, STANDBY, ILLUMI
E2DATA
IC431
FLBK, FLCLK, FLSTB, FLDATA
EEPROM
S5V
TUNER-CE, TUNER-DTI
IC432
INH
TUNER-CK, TUNER-DTO
RST
Q4321
IC401
RDS_CTL, RDS_INT, RDS_DATA
RESET,
SYSTEM
BACKUP
AVC_IN
MICON
Q4611
V_LPF AVC_OUT AVVLR
AV
V_RGB X4201
COMPULINK
V_MUTE1
8MHz
V_MUTE2
Q4621
V_YCMIX SW_PON SW_PON
Q4622
SW-PON
LOMUTE, LEVEL
C, V
SIG, FTU, SW_LEVEL
Y1, Y2
CB, CR LINEOUTJACK, LINEINJACK
SMUTE, LRMUTE
VOL_CK, VOL_DT
HPMUTE, HPJACKIN
VS1, VS3, BLANK
Q4401 to Q4404
A12V
VDISP FTU
TU9V REG.
5V
SAFETY3
6V Q4971 to Q4973
9V
9V FLPOWER FL SW
12V
Q4961 to Q4963
VDISP
CLIMIT
VH SW
System Control section
USB_PO, USB_NO Front Jack section
VBUS
IC306
5V REG.
LINEIN1L/R
LOMUTE, LINEOUTL/R
Key SW section
S5511
S5501 to S5507
POWER SW
KEY MATRIX
KEY1, KEY2 POWER KEY
A6V
W551
FDAC
3.3V
VDAC
CN562
YDAC
FL display section
IC805
CDAC
3.3V
UDAC KEY1, KEY2
POWER_KEY
REG. IDAC
SPDIF_I
SPDIF_O
D4V
S2UDT REMOCON
F+/-,VH
U2SDT
IC561
US5V,M9V
UCS
REMOCON
SCLK
SCS
CPURST
HPL/R
IC231,Q2032,Q2804
HPMUTE
CN701
HP AMP/MUTE
CN472
LINEOUTL/R
LINEIN1L/R
LOMUTE
IC221
HPJCAKIN
Q2021
LINEIN1JCAK
to Q2025
LINEOUTJACK
PLINK
OUT-L/R DETECT
OUT-SL/SR
AMP.
IC200
OUT-C
SIG
SIG. SEL.
OUT-SW
LEVEL
ADIN-L/R VOL AMP.
DMIXL/R
LRMUTE
TU9V
Tuner
3.3V
Pack
TU-L
A5V
TU-R
US5V
SCARTL/R
AUDIO_L_IN
AUDIO_R_IN
IC205
TU-L/R
SELECT
TUNER/LINE
TX
RX
SAFETY1
TU9V
Q4951 to Q4953
5V S5V,US5V
FDVD
S5V REG.
F+/-
Q4921,Q4922
12V A12V
A12V SW
VH
Q4941,Q4942
6V A6V,SW6V
SAFETY2
SW6V REG.
<Speaker AMP section>
Amplifier section
D-/+
USB
VBUS
LINEIN1JACK
LINE
Q5102,Q5202
IN 1 PROTECT
LINE IN BUFFER
DC_DETECT
LINEOUTJACK
LINE
Q5002,Q5101,Q5201
OUT
LINE MUTE
HPL/R, HPJACKIN HEADPHONE
OUT
Illumination section
STANDBY
D5801,D5802
ILLUMI2
STANDBY, ILLUMI2
LED
Q5601
FLBK
Q5602
FLCLK
STANDBY FLSTB
ILLUMI FLDATA DI561
FL DISPLAY
ILLUMI
D5661,Q5661
ILLUMINATION LED
Audio section
HP_OUT_L/R
LOUT SYSTEM
L
IC201,Q2801
ROUT
R
CONN.
Q2805,Q2806
L/R AMP/MUTE
SLOUT
IC202,IC203
SROUT SL
COUT Q2803,Q2807
SR
SYSTEM
SL/SR/C
CONN.
AMP/MUTE
IC204
SWOUT
SW
Q2601,Q2808
SW AMP/MUTE
SMUTE
SW_PON
SW_LEVEL
VOL_CK
VOL_DTA
INL2, INR2
L-IN
Q2101 R-IN
LINE IN 2
Q2201
FTU
DIGITAL
TX
OUT CN304
CN105
DIGITAL
RX
IN
SAFETY
P.ON CONT
Q4931,Q4932
9V M9V
M9V REG.
Q4851
S5V 3.3V
AC IN
3.3V REG.
J3002
SPEAKER
IC301
FLOUT
L
Q3011 to Q3015
R
L/R POWER
AMP &
FROUT
PROTECTOR
IC302
SLOUT
SL
Q3021 to Q3025
SR
SL/SR POWER
AMP &
SROUT
PROTECTOR
Used for
AX-PWDD3
Q3661,Q3662
SW LEVEL
SUBWOFFER
LEVEL
CONTROL
SW IC304
OP AMP
IC303,Q3601
SW POWER
AMP &
PROTECTOR
SP RELAY
RY301
SUB
RELAY
WOFFER
P.ON CONT
Q3811 & LED
Q3801
Q3802
FAN
FAN
MOTOR
MOTOR
+D12V
DRIVER
+/-VH
Q3921
+D12V
+D12V REG.
D3911
DIODE
-VL
BRIDGE
+/-A12V
+/-VL
Q3931,Q3941
D3901
+/-A12V REG.
DIODE
BRIDGE
D3902
+/-VL
AC ON
D3903
DIODE
CN302
Control section
PROTECT
DC DETECT
AC ON
Q1301 to Q1305
SP RELAY
PROTECTOR
Q1401
Q1201,Q1202 to Q1407
LOW VOLTAGE
MUTE
DETECTOR
CONTROL
Q1101
to Q1105
POWER
CONTROL &
W951
PROTECTOR
T1001
RY101
POWER
RELAY
TRANS.
2-1