JVC RX-DV31SL Service Manual Download Page 9

Page: 9 / 66

(No.22023)1-9

3.1.8 Removing the amp. board

(See Fig.11)

• Prior to performing the following procedures, remove the top

cover and rear panel.

(1) From the top side of the main body, disconnect the wire

from the connector CN201 on the amp. board.

(2) Remove the screw

attaching the earth wire to the heat

sink barcket.

(3) Remove the four screws

attaching the amp. board.

(4) Disconnect the connector CN202 on the amp. board.
(5) Lift the amp. board and disconnect the wire from the con-

nector CN231 on the main board.

(6) Disconnect the parallel wire from the connector CN241 on

the main board and take out the amp. board.

Fig.11

3.1.9 Removing the heat sink

(See Fig.12)

• Prior to performing the following procedures, remove the top

cover, rear panel and amp. board.

(1) Remove the screw

attaching the H.sensor board.

(2) Remove the five screws

attaching the IC bracket, heat

sink bracket and heat sink.

Fig.12

3.1.10 Removing the power ICs

(See Fig.13)

• Prior to performing the following procedures, remove the top

cover, rear panel, amp. board and heat sink.

(1) From the reverse side of the amp. board, remove the sol-

ders from the soldered points

attaching the power ICs to

the amp. board.

Fig.13

CN201

Earth wire

CN202

Main board

Amp. board

CN231

CN241

Heat sink bracket

H. sensor board

Heat sink bracket

Heat sink

IC bracket

Amp. board

Power ICs solbered points

Summary of Contents for RX-DV31SL

Page 1: ...ECEIVER 22023 2003 6 RX DV31SL TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 21 5 TROUBLE SHOOTING 1 22 6 DESCRIPTION OF MAJOR ICS 1 23 Area suffix J U S A C Canada DVD SUPER VCD VCD CD COMPAC T SUPERVIDE O RX DV31 HOME THEATER DVD AUDIO VIDEO RECEIVER ...

Page 2: ...44 1 kHz 48 kHz Signal to Noise Ratio 66 IHF 78 IHF TV TAPE CDR DBS VCR 87 dB 67 dB Frequency Response 8 Ω TV TAPE CDR DBS VCR 20 Hz to 20 kHz 1 dB Tone Control Bass 100 Hz 10 dB 2 dB Treble 10 kHz 10 dB 2 dB Video Video Input Sensitivity Impedance 1 kHz Composite video DBS IN VCR IN 1 V p p 75 Ω S video DBS IN VCR IN Y luminance 1 V p p 75Ω C chrominance 0 286 V p p 75 Ω Video Output Level Impeda...

Page 3: ...ack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particular ly any exposed metal part having a return path to the chassis to a known good...

Page 4: ...ith same type 5A 125V for F101 2A 125V for F131 and F132 This symbol specifies type of fast operating fuse Precaution Pour eviter risques de feux remplacez le fusible de surete de F101 comme le meme type que 5A 125V et 2A 125V pour F131 et F132 Ce sont des fusibles suretes qui functionnes rapide Main board Forward side Power board Forward side ...

Page 5: ... No 22023 1 5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 6: ...orming the following procedures remove the top cover 1 From the top side of the main body disconnect the card wire from the connector CN114 on the main board See Fig 2 2 Remove the screw C attaching the earth wire and sub trans Board See Fig 2 3 From the bottom side of the main body remove the five screws D attaching the front panel assembly See Fig 3 4 From the both side of the main body release ...

Page 7: ...p side of the main body disconnect the DSP board from the connector CN611 on the DSP connector board See Fig 7 3 From the left side of the main body lift the DSP board in the direction of the arrow and disconnect the card wire from the connector CN602 on the DSP board See Fig 7 4 Take out the DSP board 3 1 5 Removing the video jack board See Figs 6 and 7 Prior to performing the following procedure...

Page 8: ...See Fig 8 2 From the top side of the main body disconnect the card wire from the connector CN1 on the tuner See Fig 9 3 Take out the tuner Fig 8 Fig 9 3 1 7 Removing the DAC board See Fig 10 Prior to performing the following procedures remove the top cover 1 From the top side of the main body disconnect the DAC board from the connectors CN911 and CN912 on the main board Fig 10 J CN 1 Tuner Card wi...

Page 9: ...and take out the amp board Fig 11 3 1 9 Removing the heat sink See Fig 12 Prior to performing the following procedures remove the top cover rear panel and amp board 1 Remove the screw M attaching the H sensor board 2 Remove the five screws N attaching the IC bracket heat sink bracket and heat sink Fig 12 3 1 10 Removing the power ICs See Fig 13 Prior to performing the following procedures remove t...

Page 10: ...rom the con nectors CN512 and CN513 on the main board 3 Take out the DVD mechanism assembly Fig 15 3 1 13 Removing the main board See Fig 16 Prior to performing the following procedures remove the top cover rear panel DAC board DSP board video jack board tuner amp board and DVD mechanism assembly 1 From the top side of the main body disconnect the fan mo tor wire from the connector CN122 on the ma...

Page 11: ...and 18 Prior to performing the following procedures remove the top cover and front panel assembly 1 From the top side of the main body remove the tie band bundling the wires See Fig 17 2 Disconnect the fan motor wire from the connector CN122 on the main board See Fig 17 3 From the front side of the main body remove the four screws T attaching the fan motor to the fan bracket See Fig 18 4 Take out ...

Page 12: ... from the connector CN111 on the sub trans board See Fog 20 4 Remove the two screws U attaching the power board and then turn over the power board See Fig 19 5 Remove the solders from the soldered points e attaching the wires See Fig 19 6 Remove the four screws V attaching the power trans former See Fig 19 7 Take out the power trans former 3 1 18 Removing the headphone board See Fig 20 Prior to pe...

Page 13: ... front panel assembly remove the eight screws X attaching the FL board See Fig 22 3 Disconnect the wire from the connector CN703 on the FL board while lifting the FL board slightly See Fig 22 4 Remove the solders from the soldered points f and g at taching the parallel wires while lifting the FL board See Fig 22 5 Take out the FL board from the front panel assembly Reference Remove the parallel wi...

Page 14: ...e soldered points j on the pow er switch board attaching the parallel wire Reference Remove the parallel wires as required Fig 23 3 2 4 Removing the power switch board See Fig 24 Prior to performing the following procedures remove the top cover and front panel assembly 1 From the back side of the front panel assembly remove the two screws AA attaching the power switch board 2 Remove the solders fr...

Page 15: ...nnectors CN201 and CN202 on the DVD servo board Caution Be sure to solder the short land sections b on the flexible wire before disconnecting the flexible wire from connec tor CN101 on the DVD servo board If the flexible wire is disconnected without attaching sol der the DVD pickup unit may be destroyed by static electricity 2 Release the locks of the connector CN101 on the DVD ser vo board in the...

Page 16: ...f the ar row Fig 4 3 3 5 Removing the tray drive board See Fig 5 Remove the clamper base 1 From the bottom side of the DVD mechanism assembly disconnect the card wire from the connector on the tray drive board 2 Remove the solders from the soldered sections f on the tray drive board 3 Remove the screw B attaching the tray drive board to the DVD mechanism assembly Fig 5 Clamper base A A Boss d Boss...

Page 17: ...otor to the DVD mech anism assembly Fig 6 3 3 7 Removing the DVD traverse mechanism assembly See Figs 7 Remove the DVD servo board Remove the clamper base 1 From the top side of the DVD mechanism assembly re move the four screws D attaching the DVD traverse mech anism assembly to the loading base 2 Take out the DVD traverse mechanism assembly from the loading base Fig 7 DVD mechanism assembly Belt...

Page 18: ... unit on the preceding page 1 Attach the SW actuator and shaft to the DVD pickup unit See Fig 10 2 Engage the section i of the DVD pickup unit to the shaft of the DVD traverse mechanism assembly first and set the both ends of the shaft of the DVD pickup unit in the sections g and h of the DVD traverse mechanism assembly See Fig 11 3 Slide the DVD pickup unit all the way in the direction of the arr...

Page 19: ... the DVD traverse mechanism assem bly remove the feed motor wire that is soldered to the spin dle motor board See Fig 13 2 From the bottom side of the DVD traverse mechanism as sembly remove the three screws G attaching the spindle motor board See Fig 14 Fig 13 Fig 14 Remove the solders DVD traverse mechanism assembly Spindle motor board Feed motor wire G G DVD traverse mechanism assembly ...

Page 20: ... attaching the feed holder as sembly and then take out the feed holder assembly See Fig 15 3 Remove the screw J attaching the thrust spring See Fig 16 4 Remove the feed gear and lead screw in the direction of the arrow See Fig 16 5 Remove the two screws K attaching the feed motor See Fig 17 Fig 15 Fig 16 Fig 17 H Feed motor H Remove the solders DVD traverse mechanism assembly Feed motor wire Spind...

Page 21: ...g the power cord into the wall power outlet 6 The opening screen showing the version number is displayed 1 Press the button once Microcomputer version display mode The FL display shows the version numbers of the microcomputers in use Displayed information System MICON Front end FE MICON Back end BE MICON 2 Press the button twice Display check mode All FL and LED segments light up 3 Press the butto...

Page 22: ...1 22 No 22023 SECTION 5 TROUBLE SHOOTING This service manual does not describe TROUBLE SHOOTING ...

Page 23: ...9 8 GND VCC 4B 4A 4Y 3B 3A 3Y TOP VIEW INPUTS OUTPUT A B Y L L L L H H H L H H H H Symbol Description D0 D7 Data inputs LE Latch enable input OE Output enable input O0 O7 3 State latch outputs 1 OE 2 O0 3 D0 4 D1 5 O1 6 O2 7 20 19 18 17 16 15 14 D2 VCC O7 D7 D6 O6 O5 D5 TOP VIEW 8 D3 9 O3 10 GND 13 12 11 D4 O4 LE INPUTS OUTPUT LE OE Dn On X H X Z H L L L H L H H L L X O0 O L D D0 3 2 O0 11 1 LE OE...

Page 24: ...t Pin 10 D AUX Sub Audio Serial Data Input Pin Connect to GND 11 DFS Double Speed Sampling Mode Pin Note 1 L Normal Speed H Double Speed 12 DEMI Connect to GND No internal bonding 13 DEMO Zero Input Detect Enable Pin Connect to GND L mode 7 disable at parallel mode zero detect mode is selectable by DZFM2 0 bits at serial mode H mode 0 DZF is AND of all six channels 14 MCKO Output Buffer Power supp...

Page 25: ...ch is overflows 34 VCOM O Common Voltage Output PinAVDD 2 Large external capacitor around 2 2uF is used to reduce power supply noise 35 VREFH Positive Voltage Reference Input PinAVDD 36 AVDD Analog Power Supply Pin4 5V 5 5V 37 AVSS Analog Ground Pin0V 38 XTI Zero Input Detect 1 Pin Note 2 Non connect When the input data of the group 1 follow total 8192 LRCK cycles with 0 input data this pin goes t...

Page 26: ... UDO OFTR AGCO AGCG VHALP VREF2 VREF1 VCC3 VCC2 VCC1 GND3 GND2 GND1 VIN5 VIN6 VIN7 VIN8 VIN9 VIN10 VIN11 VIN12 VIN1 VIN2 VIN3 VIN4 DTRD IDGT STANBY SEN SCK STDI HDTYPE LPC1 LPCO1 LPC2 LPCO2 TEOUT TEN TBAL POFLT MON RFDIFO RSCL JLINE RFENV BOTTOM PEAK RFINP RFINN TESTSG VFOSHORT DCRF RFOUT RFC FEOUT FEN FBAL ASOUT 41 42 43 47 48 46 5 38 35 37 22 21 7 20 Level Cont Level Cont OFTR Det BDO Det Vol Ad...

Page 27: ... for DRC 1 20 ASOUT Full addition signal output 21 FEN Focus error amplifier inverted input 22 FEOUT Focus error signal output 23 AGCOFST Offeset adjustment for DRC 2 24 MON Monitor 25 AGCLVL Output amplitude adjustment for DRC 26 GND2 Ground 2 27 VREF2 VREF2 voltage output 28 VCC2 Power supply 2 5V 29 VHALF VHALF voltage output 30 DFLTON Filter amplifier inverted output 31 DFLTOP Filter amplifier...

Page 28: ... CD RF input 4 53 VIN9 Internal four partition DVD RF input 2 54 VIN10 Internal four partition DVD RF input 1 55 VCC1 Power supply 1 5V 56 VREF1 VREF1 voltage output 57 VIN1 Internal four partition DVD RF input 1 58 VIN2 Internal four partition DVD RF input 2 59 VIN3 Internal four partition DVD RF input 3 60 VIN4 Internal four partition DVD RF input 4 61 GND1 Groud 1 62 VIN11 3 deam sub CD input 2...

Page 29: ...2 IC661 IC671 IC672 Dual operation amplifier Pin layout Block diagram 1 2 8 Vcc 7 OUT2 6 IN2 5 IN2 OUT1 1 IN1 2 IN1 3 VEE 4 Q19 Q17 Q16 OTHER CH R9 R6 R8 R7 R5 R4 R3 R2 R1 D1 C1 Q18 Q13 Q11 Q8 Q5 Vcc VEE OUTPUT IN IN Q1 Q3 Q4 Q2 C2 Q9 Q6 Q7 Q10 Q12 Q14 Q15 Q114 ...

Page 30: ...tive input for hall input Amp1 11 VO2 Positive input for hall input Amp2 12 VO2 Negative input for hall input Amp2 13 VO1 Positive input for hall input Amp3 14 VO1 Negative input for hall input Amp3 15 VO4 Hall bias terminal 16 VO4 Brake Mode terminal 17 VO3 Capacitor connection pin for phase compensation 18 VO3 Short brake terminal 19 PowVCC2 3Phase synthesized FG signal output termnal 20 STBY2 R...

Page 31: ... H1 Negative input for hall input Amp1 11 H2 Positive input for hall input Amp2 12 H2 Negative input for hall input Amp2 13 H3 Positive input for hall input Amp3 14 H3 Negative input for hall input Amp3 15 VH Hall bias terminal 16 BR Brake Mode terminal 17 CNF Capacitor connection pin for phase compensation 18 SB Short brake terminal 19 FG2 3Phase synthesized FG signal output termnal 20 FR Rotatio...

Page 32: ... 6 9 GP1UM281X IC702 Dual operation amplifier 6 10 IC PST9139 T IC763 Regulator Terminal layout Block diagram R L Com para tor Integra tor Demodu lator B P F Limiter Amp GND Vcc Vout 1 2 3 2 1 3 VCC OUT GND CO1 OP1 ...

Page 33: ...ram 1 18 14 13 17 18 15 16 TR1 TR2 TR6 TR3 TR5 TR8 TR10 TR9 TR4 R1 TR7 R7 R6 R4 R5 R2 R3 D2 C1 C2 D1 D51 TR51 TR41 D53 SUB R51 R41 D52 D42 D43 D41 Comparator Comparator 12 9 8 11 10 TR11 TR12 TR16 TR13 TR15 TR18 TR20 TR19 TR14 R11 TR17 R17 R16 R14 R15 R12 R13 D12 C11 C12 1 3 2 7 5 4 6 ...

Page 34: ...TR4 R1 TR7 R7 R6 R4 R5 R2 R3 D2 C1 C2 D1 D51 TR51 TR41 D53 SUB R51 R41 D52 D42 D43 D41 Comparator Comparator 12 9 8 22 21 10 11 TR11 TR12 TR16 TR13 TR15 TR18 TR20 TR19 TR14 R11 TR17 R17 R16 R14 R15 R12 R13 D3 C11 C12 D54 D44 1 3 2 7 5 4 6 17 18 TR21 TR22 TR26 TR23 TR25 TR28 TR30 TR29 TR24 R21 TR27 R27 R26 R24 R25 R22 R23 D4 C21 C22 20 19 ...

Page 35: ...CTION REGISTER INSTRUCTION DECODE CONTROL AND CLOCK GENERATION ADD BUFFERS DATA REGISTER 16 R W AMPS AND AUTO ERASE 16 DECODER EEPROM 4096bit 256 x 16 VPP SW VREF VPP GENERATOR DO DI CS SK PE Pin no Symbol Function 1 PE Program enable With built in pull up resistor 2 VCC Power supply 3 CS Chip selection 4 SK Cereal clock input 5 DI Cereal data input 6 DO Cereal data output 7 GND Ground 8 NC No con...

Page 36: ... device 15 VDD Power for the input buffers and core logic 16 DQM0 Makes data output Hi Z tSHZ after the clock and masks the output Blocks data input when DQM active 17 WE Enables write operation and row precharge Latches data in starting from CAS WE active 18 CAS Latches column addresses on the positive going edge of the CLK with CAS low Enables column access 19 RAS Latches row addresses on the po...

Page 37: ... outputs are multiplexed on the same pins 55 VDDQ Isolated power supply for the output buffers to provide improved noise immunity 56 DQ31 Data input output are multiplexed on the same pin 57 N C This pin is recommended to be left no connection on the device 58 VSS Ground for the input buffers and core logic 59 DQM3 Makes data output Hi Z tSHZ after the clock and masks the output Blocks data input ...

Page 38: ...component signal 20 GND26 CR GND for 75ohm driver 21 CR OUT O 75ohm driver output of pin16 input 22 GND25 CB OUT for 75ohm driver 23 CB OUT O 75ohm driver output of pin14 input 24 VCC22 Component Vcc for 75ohm driver 25 Y OUT 2 O 75ohm driver output of pin11 input 26 GND24 Component Y out for 75ohm driver 27 GND23 Y out for 75ohm driver 28 Y OUT 1 O 75ohm driver output of pin8 input 29 GND22 Chrom...

Page 39: ...6 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I O1 I O2 I O3 VSS VDD A15 NC CE2 WE A13 A8 A9 A11 OE A10 CS1 I O8 I O7 I O6 I O5 I O4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 SYMBOL DESCRIPTION A0 A16 Address Input I O1 I O8 Data Input Output CS1 CS2 Chip Select Inputs WE Write Enable Input OE Output Enable Input VDD Power Supply Vss Ground NC No Connection DECODER...

Page 40: ...L1 INLJ INLI INLH 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 TONEOUT R FRVIN FROUT FROUT SROUT SBOUT SWOUT COUT SBLOUT SLOUT FLOUT OUTGND AVCC DGND CLOCK DATA LATCH 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 MCU I F TONE OUTPUT SELECTOR TONE OUTPUT SELECTOR OUTPUT GAIN CONTROL OUTPUT GAIN CONTROL INPUT GAIN CONTROL INPUT GAIN CONTROL FL VOL 50K 50K 50K 50K 50K 50K 50K 50K 10K 10K 10K Rch...

Page 41: ...UTGND analog GND 31 34 FLOUT SLOUT SBLOUT COUT FLch SLch SBLch Cch output 35 38 SWOUT SBROUT SROUT FROUT SWch SBRch SRch FRch output 39 FRVIN FR vol input 40 TONEOUT R Tone output 41 TRE R Treble frequency characteristic setup 42 43 BASS R1 BASS R2 Tone path frequency characteristic setup 44 47 FRIN2 SRIN2 SBRIN2 SWIN2 FRch SRch SBRch SWch input 48 51 CIN2 SBLIN2 SLIN2 FLIN2 Cch SBLch SLch FLch in...

Page 42: ... Symbol Function 1 Vo Output pin 2 NC Not connect 3 GND Ground 4 Cn Noise decrease pin 5 CONT Control pin 6 Sub Substrate pin The 6pin must be connected to GND 7 VIN Input pin GND VIN Thermal shutdown Bias Cont Driver Current limiter Cn Reference Vo 7 5 3 4 1 CONT H L Output ON OFF 1 1A 2 1Y 3 2A 4 2Y 5 3A 6 3Y 7 14 13 12 11 10 9 8 GND VCC 6A 6Y 5A 5Y 4A 4Y A Y L H H L ...

Page 43: ...cted with VIN pin if it is not used 2 GND Ground 3 Cn Noise decrease pin Connecting 0 01uF capacitor can decrease output noise 4 Vout If the noise decrease capacitor is not connected the pin may be influenced by outside noise Output pin The capacitor must be connected with output pin more than 1uF 5 Vin Input pin The capacitor is required to connect with input pin more than 1uF Cont H L Vo ON OFF ...

Page 44: ... Power supply 3 3V 32 VSS Ground 33 DRAMVDD3 Connect to VDD3 34 NCS I System control chip select 35 NWR I System control write 36 NRD I System control read 37 44 CPUDT7 0 I O System control data 45 CLKOUT1 Not connect 46 MMOD I Connect to VSS 47 NRST I System reset 48 MSTPOL I Master terminal polarity switch input Connect to VSS 49 SCLOCK Not connect 50 SDATA Not connect 51 OFTR I Off track signal...

Page 45: ...t connect 96 HPFIN I HPF input 97 CSLFLT I Pull up to VHALF 98 RFOIF Not connect 99 AVDD Analog power supply 100 PLFLT2 I Connect to capacitor 2 for PLL 101 PLFLT1 I Connect to capacitor 1 for PLL 102 AVSS Analog ground 103 RVI I Connect to resistor for VREF reference current source 104 VREFH I Reference voltage input 2 2V 105 PLPG Not connect 106 VHALF I Reference voltage input 1 65V 107 DSLF2 I ...

Page 46: ...ion of host data bus width Not connect 141 INTRQ O ATAPI host interruption output 142 NDMACK I ATAPI host DMA response Not connect 143 VDD3 Power supply 3 3V 144 VSS Ground 145 IORDI ATAPI host ready output Not connect 146 NIORD I ATAPI host read Not connect 147 NIOWR I O ATAPI host write 148 DMARQ ATAPI host DMA request Not connect 149 151 HDD15 HDD0 HDD14 I O ATAPI host data 15 0 14 152 VDD18 Po...

Page 47: ...o ground 9 M2 I Control signal for DAC 10 M1 I Control signal for DAC 11 OUT1C O Analog output 1 12 AVDD1 Power supply 13 OUT1D O Analog output 1 14 AVSS1 Connect to GND 15 AVSS2 Connect to GND 16 OUT2D O Analog output 2 17 AVDD2 Power supply 18 OUT2C O Analog output 2 19 M9 I Control signal for DAC 20 DVSS2 Connect to GND 21 XOUT Non connect 22 XIN Non connect 23 VCOF I VCO Frequency 24 DVDD1 Pow...

Page 48: ...HIGH logic level L LOW logic level 6 27 NC7SZ125P5 X IC523 Bus buffer gate with 3 state output Pin layout Block diagram Truth table X Don t care Z High impedance 1 Vcc Y A B GND 2 3 5 4 INPUTS OUTPUT A B Y L L L L H H H L H H H H 1 VCC Y OE A GND 2 3 5 4 INPUTS OUTPUT OE B Y L H H L L L H X Z ...

Page 49: ...ontrol 47 TCLOSE Not connect 48 WOBBLEFIL Not connect 49 HFMON I HF monitor 50 TRVSW I Detection switch of traverse in side 51 SWUPDN Not connect 52 MECHA_H V I Disc detection 53 DISCSET O Serial enable signal for ADSC 54 VDD Power supply 55 FEPEN O Serial enable signal for FEP 56 SLEEP O Standby signal for FEP 57 BUSY Not connect 58 REQ O Communication request 59 Connect to TP405 REQ 60 Not conne...

Page 50: ...essor cache Pin No Symbol I O Function 1 VDDIO I O pad power 3 3V 2 3 MD I O SDRAM data bus 4 VDD Core power 1 8V 5 MD I O SDRAM data bus 6 VSSIO I O pad ground 7 8 9 MD I O SDRAM data bus 10 VDDIO I O pad power 3 3V 11 DQM O SDRAM data byte enables 12 13 MA O SDRAM address bus 14 VSSIO I O pad ground 15 16 MA O SDRAM address bus 17 VSS Core and Ring ground 18 MA O SDRAM address bus 19 VDDIO I O p...

Page 51: ...o output data to audio DAC for Lch and Rch for down mixed stereo 72 AOUT2 O Serial audio output data to audio DAC for SLch and SRch 73 AOUT1 O Serial audio output data to audio DAC for Cch and LFEch 74 AOUT0 O Serial audio output data to audio DAC for Lch and Rch 75 VDDIO I O pad power 3 3V 76 PCMCLK O Audio DAC PCM sampling click frequency common clock for DACs and ADC 77 VDD Core power 1 8V 78 A...

Page 52: ...DAC analog ground 116 VREF I Input voltage reference for output DACs 117 NC Unused 118 DAC0 O Video DAC output 119 RSET O Current setting resistor of output DACs 120 COMP O Compensation capacitor connection 121 VSS Core and Ring ground 122 VIOCLK I O VCLK input output for video I O port function 123 VSYNC I O Bi directional VSYNC signal for devices 124 HSYNC I O Bi directional HSYNC signal for dev...

Page 53: ...ut output 196 VDDIO I O pad power 3 3V 197 200 XIO I O External input output 201 VSS Core and Ring ground 202 203 XIO I O External input output 204 VSSIO I O pad ground 205 209 XIO I O External input output 210 VDDIO I O pad power 3 3V 211 XIO I O External input output 212 VDD Core power 1 8V 213 DSYNC I DVD parallel mode Sector Sync 214 DRQE O DVD parallel mode Data Request 215 DCLK I Data sampli...

Page 54: ...971 IC981 IC991 to IC994 Ope amp 1 2 3 4 5 6 7 14 13 12 11 10 9 8 2 1 1 Vin3 8 V 2 SW1 9 N C 3 Vin2 10 Vout1 4 MUTE2 11 MUTE1 5 Vout2 12 Vin1 6 GND2 13 SW2 7 GND1 14 V SW2 6dB Vin1 MUTE2 SW1 GND1 GND2 Vin2 Vout1 Vout2 Vin3 MUTE1 V V 20k Driver AMP 6dB Driver AMP 20k 20k 20k 20k 4 14k 4 14k 4 45k 4 45k 75 75 A OUT 1 A IN 2 A IN 3 V 4 8 V 7 B OUT 6 B IN 5 B IN ...

Page 55: ...clock input 5 DI Serial data input NC Vcc CS SK TEST GND DO DI 1 2 3 4 8 7 6 5 Top view 6 DO Serial data output 7 GND Ground 8 TEST TEST pin Open Memory array Data register Mode decode logic Clock generator circuit Output buffer Address decoder VCC GND DO DI CS SK 4 VOS 3 GND 5 1 Vin 2 SW OUT Standard voltage Error amp Comparator Heating protection Over current protection Reset PReg ON OFF Soft St...

Page 56: ...g write cycles Data is internally latched during a write cycle The outputs are in tri state when OE or CE is high 37 VDD Power supply To provide power supply voltage 2 7 3 6V 38 45 DQ4 DQ12 DQ5 DQ13 DQ6 DQ14 DQ7 DQ15 I O Data input output To output data during Read cycles and receive input data during write cycles Data is internally latched during a write cycle The outputs are in tri state when OE...

Page 57: ...minal 0 L test H normal operation 37 FCONT O VCO Frequency control output terminal 38 39 TSTSUB1TSTSUB2 I Test sub input terminal 12 L test H normal operation 40 PDO O Phase detect signal output terminal 41 VDDA Power supply for analog circuit 42 PLON I Clock selection input terminal L external clock H VCO clock 43 AMPI I amplifier input terminal for LPF 44 AMPO O amplifier output terminal for LPF...

Page 58: ...utput of DSP to general purpose port 18 DIGITAL0 I Output of DSP to general purpose port 19 FORMAT I Output of DSP to general purpose port 20 CHANNEL I Output of DSP to general purpose port 21 ERR I Output of DSP to general purpose port 22 REST IN I Reset signal input 23 AVDD Power supply terminal 24 AVREF0 Connect to GND 25 Connect to GND 26 Connect to GND 27 Connect to GND 28 Connect to GND 29 C...

Page 59: ... I O terminal with microcomputer of chip select 68 CODEC XTS Non connect 69 Non connect 70 Non connect 71 PD O Reset signal output 72 GND Connect to GND 73 Non connect 74 Non connect 75 Non connect 76 Non connect 77 Non connect 78 Non connect 79 Non connect 80 Non connect 81 VDD Power supply 82 Non connect 83 Non connect 84 ANA T TONE O Test tone control 85 LEF MIX O Control at output destination ...

Page 60: ... function 1 Vin 2 SW out 3 GND 4 Vos 5 ON OFF ON OFF Soft Start OSC compalater error amp GND ON OFF RESET PReg Over current protect Vin Lach DRIVER Thermal protect SW OUT Reference voltage 3 4 Vos 2 1 5 4 VOS 3 GND 5 1 Vin 2 SW OUT Standard voltage Error amp Comparator Heating protection Over current protection Reset PReg ON OFF Soft Start ON OFF Latch Driver Oscillator ...

Page 61: ...ey 22 CS1 I Chip select 1 23 CS2 I Chip select 2 24 VREF Connect to power supply 25 LED_DIMMER O LED dimmer 26 M_RESET I Reset input 27 BLUE_LED O LED BLUE 28 VCR_LED O LED VCR 29 STB_LED O LED STB 30 DVDA_LED O LED DVD audio 31 DVD_LED O LED DVD 32 M_BUSY O Micon communication BUSY 33 M_CS I Micon communication CS 34 REMO I Remote control input 35 JOG1 I Volume JOG input 1 36 JOG2 I Volume JOG in...

Page 62: ...8 DI DO O Panel control serial communication DATA OUT 19 DI DI I Panel control serial communication DATA IN 20 DI CLK O Panel control serial communication CLOCK 21 S2UDT O PANTERA serial communication DATA OUT 22 U2SDT I PANTERA serial communication DATA IN 23 SCLK I PANTERA serial communication CLOCK 24 INTP O PANTERA communication transmitting request 25 CPURST O PANTERA reset 26 CS I PANTERA co...

Page 63: ...ching ON H 57 REAR SPK RELAY O Rear speaker relay switching ON H 58 S1RELAY O Power amplifier power supply control ON H 59 INH I AC cutting off detection INH L 60 NC SLOW switching output 61 NC SLOW switching output 62 SYSTEM PON O System power supply control ON H 63 FAN ON OFF O Fan ON OFF control ON H 64 DVD PON O DVD power supply control ON L 65 TUNER PON O TUNER power supply control ON H 66 ME...

Page 64: ...eo switching output 3 90 VIDEO SW4 O Video switching output 4 91 DI RST O Panel control reset output 92 DI CS O Panel control serial communication CS 93 NC Not connect 94 LMUTE O Loader mute output 95 DAVSS Ground 96 SWOPEN I Loader OPEN CLOSE SW detection 97 SWUPDN I Loader mechanism down detection 98 TOPEN O Loader motor open control PWM 99 TCLOSE O Loader motor close control PWM 100 DAVDD Power...

Page 65: ... No 22023 1 65 ...

Page 66: ... No 22023 AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED WPC Printed in Japan ...

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