JVC MX-DK51A, Service Manual

Page: 32 / 49

2-1
Block diagram
IC350
SYSTEM
MICON
CN303
IC700
VIDEO
DRIVER
J100
MAIN
SPEAKER
Primary section
Regulator section
Main Amp section
Surround Amp section
FW150
IC119
MAIN
AMP.
Q1030 to Q1034
HP MUTE
IC195
Q1295
FAN
REG.
Q1221 to Q1223
VOLTAGE
CONTROL
Q1070
RELAY
CTRL
Q8100
RELAY
CTRL
RY120
RELAY
RY110
RELAY
Q1090 to Q1093
STAND-BY CTRL
Q8091
Q8092
STAND-BY
CTRL
FAN_SPD
RELAY
POUT
POUT
IMP
SW
SW
L
R
SR_RELAY
COUT
SLOUT
SROUT
POUT
SR_RELAY
POUT
RLOUT
RROUT
RECL, RECR
RECL, RECR
RAOUTL
RAOUTR
LRMUTE
CTR
SURL
SURR
SW
MAINL
MAINR
HPMUTE
HP_L, HP_R
OPEN
CLOSE
LM+/-
IC470
MAIN
E.VOLUME
IC640,IC650
IC473,Q4730
FRONT MIX AMP.
IC410
Q4080
Q4081
MIC MUTE
IC400
IC430,IC450
Q4000,Q4001
HARMONIC
IC300
LEVEL SHIFT
IC305
LOADING
MOTOR
DRIVER
RECL
RECR
PBL, PBR
FANOUTL/R
SWAOUT
LRMUTE
FL
FR
LRMUTE
RAOUTL/R
CAOUT
MICMUTE
MICIN
LVRIN
RVRIN LSELO
RSELO
HARCTRL
CN335
CN300
CN311 CN309
FW160,FW170
CN312,CN313,CN314
CN120 CN130
CN307
CN306
CN140 CN110
CN160
J7500
J7300
VIDEO OUT
(S-VIDEO
/COMPOSITE)
VIDEO OUT
(COMPONENT)
VCLK
VDATA1
C, Y, CV
Pr, Pb, Y
VMUTE
COUT, YOUT
CROUT, CBOUT, Y/GOUT
TUL
TUR
CN308
AVCI, AVCO, RESET, CLOCK
Q3100,Q3101
RESET
INH
RESET
ILLUMI
FANSPD
SAFETY
TUCE, TUDI
TUCK, TUDO
UR
FLASH
AUXL
AUXR J6700
CN802
AUX
INPUT
IC560
AHB
IC600,IC610,IC620
Q6000,Q6200
MUTE SYSTEM
IC490,IC500
SURROUND
E.VOLUME
IC510,Q5100
C & SW
E.VOLUME
IC580
SUBWOOFER
LPF INPUT AMP.
Q5400 to Q5402
Q5500 to Q5502
AHB CONTROL
LOUT
ROUT
FLOUT
FROUT
SWFB
SMUTE
C/RMUTE
VCLK, VDATA3
VCLK, VDATA2
DI-DT, DI-CK, DI-CS
KEY1, REMIN, SBYLED
VOL+/-, KEY2, KEY3
HPDET, STLED
ECHO-CTR, ECHO1, ECHO2
PRT
LEVDET
HPMUTE
RELAY
DC, LEVDET, IMP
System control & Audio/Video section
OPENDET
CLOSEDET
PBMUTE, RECB, RMUTE, A/B
SOL1, SOL2, MOTOR, ALPKEY
ENDSW1, ENDSW2
CN330
FAN CTRL
FAN STATUS
FAN
UNIT
Q3300
FAN CTRL
FAN12V
CTR
SURL
SURR
LEVDET
DC
CN310
CN800
12V FAN
IC170
5.6V MICON
REG.
5.6V MICON
IC160
MONITOR
9V REG.
MONITOR 9V
IC180
SLC12V
REG.
SLC12V
IC325
D5V REG.
D5V
IC190
9V
REG.
9V
SW, MAINL, MAINR
Q1050 to Q1053
Q1120, Q1140
Q1180
PROTECTOR
DC
IMP
PRT
LEVDET, SWFB
S-W
SW-AHB
SWOUT
COUT
CAOUT
LRMUTE
IC201
MOTOR
DRVER
IC301
DV3.2
IC505
SDRAM
IC509
FLASH ROM
DVD traverse
mechanism
CN101
CN702 CN302
TRAY SWITCH
LOADING MOTOR
DVD loading section
CN1
A, B, C, D, E, F, RF+, LPC1, LPC2
F+/-
T+/-
FM+/-
WOUT
VOUT
UOUT
COM
LD(CD)
LD(DVD)
FAOUTL/R,
RAOUTL/R
CAOUT, SWAOUT
BCK, LRCK
AOUT0 to AOUT2
DCLK, DDATA
DAC0CS to DAC2CS
DACCK, DACPDN
LRMUTE
D4V D2V A6V
DVDPON
Q101 to Q104
LASER
DRIVER
EXADT0 to 15, EXADR16 to 20
EXDT0 to 15, NEXCE
NEXOE, NEXWE, CPURST
MA0 to 11, BA0, BA1
MDQ0 to 15, DQM0 , DQM1
NCSM, NRAS, NCAS, NWE, MCK
X301
27MHz
DVD traverse
mechanism
CN201
LPCO1
LPCO2
CDLDCUR
DVDLDCUR
FG, SPDRV, TRSDRV
FODRV, TRDRV
DRVMUTE, SPMUTE
TRVSW
IC701 to IC703
AUDIO DAC
CN701 CN301
DAC1OUT to DAC5OUT
UCS, SCS, UCLK
U2SDT, S2UDT, CPURST
DVD servo control section
IC510
EEPROM
SDA
SCL
WP
UCS
SCLK
U2SDT UCS
SCLK
U2SDT
SCS, S2UDT, CPURST, DVDPON
CN250
CN103
T1
TRANSFORMER
Q2010
-34V REG.
CN1
19
FW100
CN150 CN803
D2100 to D2103
DIODE BRIDGE
D2200 to D2203
DIODE BRIDGE
D2010 to D2013
DIODE BRIDGE
S1500
VOLTAGE
SELECTOR
AC IN
VH+/-
VH+/-
VL+/-
S4H
S4L
S4H
S4L
S4H
S4H
S4L
S4L
S4L
S4L
VL+/- VL+/-
-34V
F+/-
D9000
STANDBY LED
FL900
FL DISPLAY
IC901
FL DRIVER
S9102
STANDBY SW
CN900
FW900
IC902
REMOCON
S9101
EJECT SW
FW981 FW981
LEDSTBY
DI-DT, DI-CK
DI-CS, ILLUMI
S1 to S16
G1 to G12
F+/-
KEY1
REMIN
-VDISP
S9201 to S9211
S9301 to S9307
KEY MATRIX
IC950
Q9530 to Q9532
COMPANDER,
LPF & ECHO MIX.
IC960
Q9601,Q9602
MIC AMP. & ALC
IC970
AUX BUFFER
KEY2
KEY3
ECHO1
ECHO2
ECHO-CTRL
HP-DET
MICIN
AUXL, AUXR
HP_L, HP_R
ILLUMI
SBYLED
JS940
VOLUME
D9200
ILLUMI.LED
D9201
S.BOOSTER
LED
CN920
J961
J980
FW980
J962
VOL+/-
MIC2 / AUX
INPUT
MIC1
INPUT
HEADPHONE
TUNER
UNIT
IC200
MECHA
MICON
L300
BIAS OSC
Q300,Q301
BIAS
OSC/CONT.
VR300
REC/PLAY
FREQUENCY
RESPONSE Adj.
Q200 to Q204
HEAD SWITCH
BIN(L)
BIN(R)
RECOUT(L)
RECOUT(R)
AIN(L)
AIN(R)
E
CN200
REC/PB
ERACE
HEAD
CN220
PB HEAD
Q150,Q151
SOLENOID
DRIVE B
Q120,Q121
SOLENOID
DRIVE A
Q110,Q111
MOTOR
DRIVE
Cassette Head amplifier section
CN120
SOLENOID MOTOR
END SW
F-REC SW
SOL1, SOL2
ALPKEY
ENDSW1
ENDSW2
ALPKEY
ENDSW1
ENDSW2
MTR+
MTR+
Cassette Mecha section
FL Display section
Mic, Headphone & USER Control Keys section
RECB
MOTOR
SOL1 SOL1
SOL2 SOL2
PBL, PBR
RECL, RECR
A/B, RMUTE
PBMUTE
CN100
IC302
D1.2V REG.
D1.2V
IC305
3.1V REG.
3.1V
IC705
A5V REG.
A5V
VL+/-
CENTER
SURROUND
SUBWOOFER
Q8001
to Q8003
PROTECTOR
RY811
RELAY
RY812
RELAY
J810
IC800
SURROUND
AMP.
X3500
12MHz
Used for Area suffix A
SPEAKER