JVC DX-T99A Service Manual page 127

(for DX-T77)
DVD servo and system control section
A, B, C, D, E, F, RF+, LPC1, LPC2
DVD traverse
LD(CD)
LPCO1, LPCO2
Q101
mechanism LD(DVD) CDLDCUR,DVDLDCUR
to
Q104
X301
FM+/-
WOUT 27MHz
F+/-
VOUT SPDRV, TRSDRV
T+/-
UOUT FODRV, TRDRV, FG
IC201 DRVMUTE, SPMUTE
COM
DVD traverse
DRVER
mechanism TRVSW
DVD tray control section
TR1_CL to
POSITION
SW1 to SW5 TR5_CL
SENSOR
TRAY CLOSE SW
M.TR_OP
SW6
TRAY OPEN SW
SUB TRAY
END SW
CN3
CN2
TRAY/POSITION
MOTOR
M
TR_OP, TR_CL
IC1, IC2
POS_UP, POS_DOWN
TRAY / POSITION
MOTOR DRIVER
Tape A playback section
PB
HEAD
Q460,Q461 A_PBL/R
IC41
PB MUTE
AMP
PBMUTE
SERIAL TO PARALLEL
PORT EXTENSION
VR37
Q485,Q486
IC1
MOTOR
SW2,SW6 SOLENOID
SPEED Adj.
REEL
SWITCH DRIVE
PULSE
PLAY
PHOTO
TAPE
M
PHOTO+B
MB
SOL
SOLENOID
REC/PB Tape B record and playback section
ERASE
IC32
HEAD
AUDIO SIGNAL
REC/PLAY
PROCESSOR
FREQUENCY
RESPONSE Adj.
L301
Q302,Q305
RECB
BIAS
BIAS OSC/CONT.
OSC
VR37
Q375,Q376
SW1,SW2 IC1
MOTOR
SOLENOID
SPEED Adj.
SW5,SW6 REEL
SWITCH PULSE
RREC,FREC
PHOTO
M
PLAY,TAPE PHOTO+B
MB
SOL
SOLENOID
MA0 to MA11, BA0, BA1, MCK
MDQ0 to 15, DQM0, DQM1
TX, DAC1OUT (Y-2)
IC505
NCSM, NRAS, NCAS, NWE
DAC2OUT (Cb), DAC3OUT (Cr)
SDRAM
DAC4OUT (Y-1), DAC5OUT (C)
IC510
SDA, SCL, WP
EEPROM
IC301
DV3.2
DISCSET, DISCSTP
SCS, UCS, UCLK, S2UDT, U2SDT AOUT1
AOUT2
CPURST
BCK
EXADT0 to 15
LRCK
EXDT0 to 15, EXADR16 to 20
DAC1CS
NEXCE,NEXOE, NEXWE
DAC2CS
DACPDN
IC509
DACCK
FLASH ROM
DCLK
IC702
DDATA
IC703
DISPRST
DAC
DISPBUSY
R1
LSENSOR
DISPCS
DISPCK
DISPD2S
AOUT0
DISPS2D
BCK
IC451
SW8 LRCK
STEDSW
DAC0CS
MECHA
DACPDN
CONT.
DACCK
DCLK
EPDI
DADATA IC701
EPDO
CLSWT1 to 5
EPCS
DAC
ADIN
MOTPSW
EPSK
BCK
POSMUP
X451
IC452
POSMDN LRCK
8MHz
MTOP, MTCL EEPROM DACCK
ADCPDN IC704
ADC
LRMUTE
RECL/R
STTA_A
SDATA
S-CK,S-DATA
IC43
SCK
A-STTA,B-STTA
A-PHOTO,B-PHOTO
A-PLAY,B-PLAY
A-KEY,B-KEY
TUDI
SOLCTRL MOTOR
SLC-SAFETY
TUDO
Q481,Q482
TUCK
MOTOR TUCE
TO
DRIVE
TUNER
SOL MB
PACK
KEYB
A-PBL/R
PLAYB
PLAYA B-PBL/R
RECL/R PHOTOB
PHOTOA
B_PBL/R STTA_B
KEY_A
AUXL/R
CN47 CN46
AUX IN
CN34 CN33
RECL/R
B_PBL/R
External input, source selector
SDATA
RECH
SCK
and system control section
PBMUTE
STTA_B
IC33
FL display section
SERIAL TO PARALLEL
PORT EXTENSION
D5004,Q5004
MOTOR
SOLCTRL RHYTHM AX
LED
Q371,Q372
MOTOR
DRIVE DRIVE D5006
Q5006,Q5010
SOL MB
PLAYB
PRESET
PHOTOB
LED
KEY_B
Video output section
Y-1,Y-2
IC920
C,Cb,Cr
VIDEO
DISPRST, DISPBUSY
DRIVER
DISPCS, DISPCK
DISPD2S, DISPS2D
VIDEO-MUTE
CN920
CN760
DISPS2D
DISPD2S, DISPCK
DISPBUSY
DISPCS, CPURST
CS, U2SDT
VIDEO-MUTE LEVEL CONV.
RAOUTL/R
V-DI,V-CK
CAOUT
Q8070
V-CE2
SWAOUT
RAOUTL/R
Q8170
IC870
LR MUTE
SURROUND
VOL
Q8080
CENTER/REAR MUTE
CA MUTE
CAOUT
IC880
V-DI
C &
V-CK
LRMUTE
V-CE1
SW
FAOUTL/R
FAOUTL/R
VOL
MIC+ECHO
SWAOUT
SW
IC800,IC801
IC881 SW-AHB
FRONT
AMP.
AINL/R
MIX AMP.
& LPF
Q7798
Q8000,Q8100
FRONT SMUTE
MIX MUTE
RELAY-F/SW
FL, FR
ADINL/R
IC810
DSP-SW
DSP SW
SP-DA
LSELO
SP-CK
RSELO DELAY
SP-WR
IC850 SP-REQ
SP-STB
SURROUND
IC770
MIC-SIG
PROCESSOR
SYSTEM
CPU
SP-OUTL/R
INH
Q7080
RESET
IC860
Q7081
EFFECTOR
LVRIN
RESET
RVRIN
RHYTM
SDA
IC771 SCL
TUL/R IC820
EEPROM
MAIN
V-DI,V-CK,V-CEM
VOL
MIC-DETECT
IC888
MIC AMP.
F-KEY1 to F-KEY4, REM, LED-STBY
LED-RHY, LED-KAOK, LED-ILLU, LED-DIM
FL-DA, FL-LA, FL-CK, FL-BK, FL-ON
CN720
CN500
LED-STBY
LED-RHY
D5005,Q5005
LED-KAOK
KARAOKE REM
SCORING LED
REMOCON RECEIVER
FL-CON, FL-DATA
FL-CLK, FL-BK
LDE-DIM, LED-ILLU
FL-LATCH
P1 to P35
S5000
IC500
F-KEY1 to F-KEY4 1G to 10G
to S5034
FL
+VPP
KEY MATRIX
DRIVER
2-2
TX
DIGITAL OPTICAL OUT
Y,Cb,Cr
COMPONENT VIDEO OUT
Y,C,CV
S-VIDEO/COMPOSITE VIDEO OU
D5V,D5.6V
S5V,M5V,M9V
CN931
AMP-PON
IC760 POUT/FDVD
FAN-SPEED DC regulator and audio output section
FAN-CTRL
PRT
Q6001,Q6002
AMP-PON
AMP-PON
STANDBY CTRL
RLIN
SURROUND/CENTER
Q8071
RRIN
SUR-L/R, CENTER
Q8171
C/R-MUTE
Audio output section
Q7794
AMP-PON Q6601 to Q6604
C/R-MUTE
C-IN STANDBY CTRL
Q8081 FLIN
FRIN
SWIN
Q8180
IC650
SWIN
C/SW
FLIN FRONT/SUBWOOFER
MUTE FRIN
AMP.
PRT
SMUTE Q8040
Q6701 to Q6704
Q8140
FL, FR
Q6511,Q6521
IC830
SW SW1
Q6531
AHB
DC
+/-VH,+/-VL
MUTE
PROTECTOR
LOUT IMP
CN651
ROUT
FL
FR TO
SW
RY712 FRONT SPEAKER
RY767
& SUBWOOFER
Q7000
C
TO
RELAY
RL
RR SURROUND
& CENTER
SPEAKER
RY734
RY750
RY756
CN200 CN201
Q7010
DC, IMP
RELAY
SW1, SW2
RL, RR, C
FL, FR
RELAY-C/R
+/-VH
+/-VL
D2001 S2
S3
+/- VL BRIDGE
S3CT
CN204
HPSW, HP-MUTE
MIC-IN
CN104
D1000 to D1003
S3
REGULATOR
BRIDGE
S3 S2,S3CT
+/-VH
D1004 to D1011
D5007,Q5009
+/- VH BRIDGE
STANDBY LED
IC510
S1
Q1000
35V
Q1001
VPP REG.
FL BIAS
FL500 FL1
S4CT
FL2
FL
VPP F+/-
Primary board with main transformer section
CN603
D5V
D5.6V
S5V
M5V
IC601
M9V
AMP.
C
Q6211,Q6221
RL
RR
Q6231
+/-VL
PROTECTOR
FAN SPEED
FAN CTRL
TO
Q6351,Q6352
FAN CONT. FAN
DC
POUT/FDVD FAN12V
IMP
S3, S3CT
IC602 to IC608
REG.
CN601
Microphone circuit
section
HPL
Q9100
HPR
to Q9104
PHONES
HP MUTE
HP-MUTE HP-SW
MIC1
IC901
AMP.
MIC2
MIC-IN
CN901
S1000
AC
VOLTAGE
INPUT
SELECTOR
SWTCH
CN101 CN102
S1
S2,S3 T1001
S3CT
TRANS.
S4
S4CT