JVC SP-PWV70 Service Manual Download Page 54

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TH-V70R

1-54 (No.21175)

SSPIN1

I/O SSP1 Data in or 16X clock for USART function in UART1

VSS

Connect to ground

SSPOUT1

I/O SSP1 Data out or UART1 data-terminal-ready signal

SSPCLK1

I/O SSP1 Clock or UART1 clear-to -send signal

SSPCLK0

I/O SSP0 Clock or request-to-send function in UART1

VDD

Power supply terminal 1.8V

SSPIN0

I/O SSP0 Data in or 16X clock for USART function in UART0

VDDio

Power supply terminal 3.3V

SSPOUT0

I/O SSP0 Data out or UART0 data-terminal-ready signal

TXD0

I/O UART0 Serial data output to an external serial device

RXD0

UART0 Serial data input from external serial device

CTS0

I/O UART0 Clear-to-send signal

RTS0

I/O UART0 Request-to-send signal

VSSio

Connect to ground

CXI

Crystal input terminal for on-chip oscillator or system input clock

CXO

O Crystal output terminal for on-chip oscillator

100

OSCVSS

Connect to ground for oscillator

101

OSCVDD

Power supply terminal for oscillator 1.8V

102

MVCKVDD

Power supply terminal for main and video clock PLL 3.3V

103

SCEN

Scan chain test enable

104

MVCKVSS

Connect to ground for main and video clock PLL

105

ACLKVSS

Connect to ground for audio clock PLL

106

SCMD

Scan chain test mode

107

ACLKVDD

Power supply terminal for audio clock PLL 3.3V

108

VDDDAK

Power supply terminal for DAC digital 1.8V

109

VSSDAC

Connect to ground for DAC digital

110

Cr/R

O Video signal output (Cr output : composite/component Red output)

111

IOM

O Cascaded DAC differential output used to dump current into external resistor for power

112

C/Cb/B

O Video signal output (Chrominance output for NTSC/PAL S-Video

113

VAA3

Cb output for component Blue output)

114

Y/G

O Power supply terminal for DAC analog 3.3V

115

VSSA

Video signal output (Luminance for S-Video and component Green output)

116

VREF

Connect to ground for DAC analog

117

VAA

Non connect

118

CVBS/C

O Video signal output (Composite video Chrominance output for S-Video)

119

RSET

O Current setting resistor of output DACs

120

COMP

O Compensation capacitor connection

121

VSS

Connect to ground

122

VCLK

Non connect

123

VSYNC

Non connect

124

HSYNC

Non connect

125

VDDio

Power supply terminal 3.3V

126~131

VI07~02

Non connect

132

VSSio

Connect to ground

133,134

VI01,00

Non connect

135

VDD

Power supply terminal 1.8V

Pin No.

Symbol

Description

Summary of Contents for SP-PWV70

Page 1: ...P XSV70 D V D D I G I T A L C I N E M A S Y S T E M T H V 7 0 R RMÐSTHV70R DVD CINEMA SYSTEM CHANNEL VOLUME TV VOL TUNING STOP DIMMER PAUSE FF REW TV VIDEO MUTING REC PLAY DOWN UP MEMORY STROBE DVD VCR 1 AUDIO AUX ANGLE FM AM SUBTITLE DECODE RETURN DIGEST ZOOM VFP TOP MENU MENU ZOOM CONTROL ÐSUBWOOFER EFFECT Ð CENTER Ð REAR R TEST SLEEP TV VCR SETTING TV RETURN ENTER ON SCREEN CHOICE DVD SURROUND ...

Page 2: ...xposed metal parts of the product antenna terminals knobs metal cabinet screw heads headphone jack 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 c...

Page 3: ...the same safety characteristics as the recommended replacement parts shown in the Parts List of the Service Manual and may create shock fire or other hazards 4 The leads in the products are routed and dressed with ties clamps tubings barriers and the like to be separated from live parts high temperature parts moving parts and or sharp edges for the prevention of electric shock and fire hazard When...

Page 4: ...ondition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 7 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to t...

Page 5: ...t to see the beam directly or touch it in case of anadjustment or operation check VARNING Osynlig laserstrålning är denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymät tömälle lasersäteilylle Älä katso säteeseen ADVARSEL Usynlig laserstråling ved åbning når sikkerhedsafbrydere er ude af funktion Undgå udsasttelse for s...

Page 6: ...aching the bottom panel 2 From the bottom side of the main body remove the two screws C attaching the bottom panel 3 Remove the bottom panel in an upward direction Fig 2 Fig 3 2 1 3 Removing the top panel See Fig 4 Remove the top plate Remove the bottom panel 1 Slide the top panel toward the rear direction of the arrow and disengage it from the engagement sections a and b of the bottom chassis 2 R...

Page 7: ... holder 3 Disconnect the wires from connectors CN106 and CN814 on the main board 4 Disconnect the card wires from connectors CN802 and CN813 on the main board 5 From the front side of the main body remove the two screws F attaching the front panel assembly 6 Disengage the claws d of the front panel assembly from the bottom chassis and then remove the front panel assembly in the direction of the ar...

Page 8: ...ving the compulink board See Figs 9 and 10 Remove the top plate Remove the bottom panel Remove the top panel Remove the DVD mechanism assembly 1 Disconnect the card wire from connector CN592 on the compulink board 2 From the rear side of the main body remove the screw K attaching the compulink board 3 Take out the compulink board from the bottom chassis 2 1 8 Removing the tuner See Figs 9 and 10 R...

Page 9: ...the main board When attaching the screw M attach the wire holder to gether with it After connecting the wires to the connectors bundle them using the wire clamp Insert the DVD mechanism assembly wire into the notch on the bottom chassis See Fig 11 Fig 11 Fig 12 2 1 10 Removing the fan motor See Figs 13 and 14 Remove the top plate Remove the bottom panel Remove the top panel Remove the DVD mechanis...

Page 10: ... 1 From the back side of the front panel assembly remove the two screws R attaching the door motor assembly 2 Remove the screw S attaching the open close board of the door motor assembly 2 2 3 Removing the door motor See Fig 16 Remove the door motor assembly 1 Remove the stop washers attaching the clutch assembly and gear 2 2 Remove the clutch assembly and Gear 2 3 Remove the two screws T attachin...

Page 11: ... base of the moving panel assembly 5 Disengage the engagement sections g on the inside of the moving base and at the inside of the moving panel assem bly and remove the moving base 6 Remove the two screws V attaching the front board 7 Disengage the claws h of the moving panel and remove the front board Reference Before attaching the moving base pass the card wire of the front board through the hol...

Page 12: ...ism assembly disengage the claw a of the top chassis attaching the LED board and then remove the LED board Fig 1 2 3 2 Removing the DVD mechanism assembly See Fig 2 1 Extend the both sides of the protector and then raise the protector in the direction of the arrow 2 Remove the three screws A attaching the DVD mechanism assembly on the top chassis Fig 2 LED board Top chassis Claw a Top chassis DVD ...

Page 13: ...201 and CN202 on the DVD servo board 4 Remove the two screws B attaching the DVD servo board 5 While pushing the claw c of the DVD mechanism assembly in the direction of the arrow remove the DVD servo board from the projections d and e in an upward direction Caution In the assembly be sure to remove solder from the short land sections b after connecting the flexible wire Fig 3 2 3 4 Removing the D...

Page 14: ...emoving the DVD pickup unit on the preceding page 1 Attach the SW actuator and shaft to the DVD pickup unit See Fig 7 2 Engage the section j 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 i and i of the DVD traverse mechanism assembly 3 Slide the DVD pickup unit all the way in the direction ...

Page 15: ...From the top side of the DVD traverse mechanism assem bly remove the feed motor wire that is soldered to the spin dle motor board 2 From the back side of the DVD traverse mechanism as sembly remove the three screws F attaching the spindle motor board Fig 10 Fig 11 Spindle motor board Feed motor wire Feed motor Remove the solders F F Spindle motor board ...

Page 16: ... 4 Disengage the claw g attaching the thrust spring and take out the thrust spring 5 Pull out the lead screw in the direction of the arrow 6 Remove the feed gear M 7 Remove the feed motor wire that is soldered to the spindle motor board 8 Remove the two screws H attaching the feed motor and take out the feed motor Fig 12 Fig 13 Fig 14 Traverse mechanism assembly Feed motor Bracket G G G D Mechanis...

Page 17: ...echanism assembly remove the two screws K attaching the clamper base assembly 3 Disconnect the wire from connector CN101 on the switch board while lifting the clamper base assembly slightly and remove the clamper base assembly 4 Remove the three screws L attaching the roller holder as sembly and take out the roller holder assembly 5 Disconnect the wires from connectors CN103 and CN104 on the loadi...

Page 18: ... the amplifier assem bly 3 Move the amplifier assembly backward and disconnect the wire from connector CN109 in the lower part of the amplifier assembly Fig 1 Fig 2 2 4 2 Removing the rear panel See Fig 3 Remove the amplifier assembly 1 Pull out the knob 2 Remove the ten screws C ten screws D and screw E at taching the rear panel Fig 3 Amplifier assembly A A Heat sink cover B B B B Amplifier assem...

Page 19: ...rear panel 1 Remove the two screws H attaching the AC bracket 2 Disconnect the power supply SP terminal board from the connectors CN210 and CN211 on the mother board 3 Disconnect the wire from connector CN107 on the power supply SP terminal board 4 Disconnect the power cord from connector CN108 on the power supply SP terminal board Fig 4 Fig 5 Fig 6 Heat sink Power transformer Volume bracket Pre a...

Page 20: ...e out the mother board with the power amplifier board A B 4 From the bottom side of the mother board remove the two screws K and two screws L attaching the power amplifier board A B 5 Remove the power amplifier board A B from connectors CN202 CN203 CN205 and CN206 on the mother board Fig 7 Fig 8 Power transformer CN104 Mother board Mold base Power amplifier board A Power amplifier board B J J J J ...

Page 21: ...lifier board A from the P TR holder A 2 4 7 Removing the power amplifier board B See Figs 9 and 11 Remove the mother board 1 Remove the four screws N attaching the heat sink to the power amplifier board B See Fig 9 2 From the bottom side of the power amplifier board B dis engage the four engagement sections c 3 arrow to disengage the engagement section d and remove the power amplifier board B from...

Page 22: ...ct the wire from the connector CN107 on the pow er supply SP terminal board 3 Remove the four screws P attaching the power transformer and then remove the power transformer from the trans former bracket of the mold base Fig 12 Fig 13 Power transformer CN104 Mother board Power supply SP terminal board P P P Transformer bracket Mold base Power supply SP terminal board CN107 ...

Page 23: ... To prevent damaging the ornament panel and speaker main body insert cushioning plates etc above and be low the tip of the flat bladed screwdriver or a similar tool 2 From the back side of the ornament panel remove the two screws Q attaching the LED indicator 3 Disconnect the wire from connector CN109 on the LED in dicator Fig 14 Fig 15 Fig 16 JVC Ornament panel Ornament panel Speaker main body Cu...

Page 24: ...g the speaker See Figs 17 and 18 1 Remove the eight screws R attaching the speaker 2 Take out the speaker 3 Disconnect the wires from the terminals of the speaker Fig 17 Fig 18 Ornament panel R R Speaker main body Speaker Terminal Speaker ...

Page 25: ...g both the STOP button fourth button from left and EJECT farthest right button button on the main unit plug in the power FL indication TEST E Monitor indication Upper left of the monitor E Europe Pressing the PAUSE button fifth button from right Initialization starts FL indication ATT will appear Initialization is complete Set the power to standby Make sure that the panel has closed Pull out the p...

Page 26: ... tak en to a low logic level Block diagram 1 1A 2 1B 3 1Y 4 2A 5 2B 6 2Y 7 14 13 12 11 10 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 1 OE 2 Q0 3 D0 4 D1 5 Q1 6 Q2 7 20 19 18 17 16 15 14 D2 VCC Q7 D7 D6 Q6 Q5 D5 TOP VIEW 8 D3 9 Q3 10 GND 13 12 11 D4 Q4 LE INPUTS OUTPUT OE LE D Y H X X Z L L X Qn L H L L L H H H Q L D D0 3 2 Q0 11 1 LE OE Q L D D1 4 5 Q1 Q L D...

Page 27: ...TRUCTION 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 ...

Page 28: ...utput 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 ...

Page 29: ...or Rch 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 go...

Page 30: ...8 VCC2 Power supply terminal 5V 29 VHALF O VHALF voltage output terminal 30 DFLTON O Reversing output terminal of filter AMP 31 DFLTOP O Filter AMP output terminal 32 DCFLT I Capacity connection terminal for filter output 33 GND3 Connect to GND 34 RFDIFO Non connect 35 RFOUT Connect to TP103 36 VCC3 Power supply terminal 3 3V 37 RFC O Filter for RF delay correction AMP 38 DCRF O All addition ampli...

Page 31: ...A15218N IC103 IC104 IC108 IC109 IC110 IC201 IC202 Dual Ope Amp Pin layout Block diaglam 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 1 2 3 4 5 6 7 8 OUT1 IN1 IN1 GND IN2 IN2 OUT2 Vcc 1 2 ...

Page 32: ...put for CH2 OP AMP 8 GND Substrate ground 9 STBY1 I Input for CH1 2 3 stand by control 10 PowVcc1 Vcc for CH1 2 power block 11 VO2 O Inverted output of CH2 12 VO2 O Non inverted output of CH2 13 VO1 O Inverted output of CH1 14 VO1 O Non inverted output of CH1 15 VO4 O Non inverted output of CH4 16 VO4 O Inverted output of CH4 17 VO3 O Non inverted output of CH3 18 VO3 O Inverted output of CH3 19 P...

Page 33: ... amplifier Pin layout Block diagram 4 10 GP1FA351RZ IC409 Fiber optic receiver Pin layout Block diagram VCC OUT2 VM2 IN2 8 7 6 5 OUT1 VM1 IN1 GND 1 2 3 4 1 8 6 VCC OUT1 VM2 7 OUT2 R R R R R R R R 3 IN1 2 VM1 5 IN2 4 GND VCC GND VOUT AMP AMP AMP AMP Comp Output circuit ...

Page 34: ...VH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 29 30 28 27 26 25 24 23 22 21 20 19 18 17 16 15 BRAKE MODE Hall Bias SHORT BRAKE VH BR CNF SB FG2 FR VCC VCC R D Q CK Q ECR EC PS FG VCC VCC GSW VM RNF GAIN SWITCH 2 4 7 8 9 10 11 12 13 14 H1 H1 H2 H2 H3 H3 TSD PS TOROUE SENSE AMP GAIN CONTROL DRIVER HALL AMP TL A3 A2 A1 GND CURRENT SENSE AMP ...

Page 35: ...3 H3 I Positive input for hall input AMP 3 14 H3 I Negative input for hall input AMP 3 15 VH I Hall bias terminal 16 BR Non connect 17 CNF Capacitor connection pin for phase compensation 18 SB I Short brake terminal 19 FG2 Non connect 20 FR Non connect 21 ECR I Torque control standard voltage input terminal 22 EC I Torque control voltage input terminal 23 PS O Start stop switch power save terminal...

Page 36: ...ef Vcc 3 4 5 1 2 3 4 5 6 7 14 13 12 11 10 9 8 I O1 O I1 O I2 I O2 C2 C3 Vss Vdd C1 C4 I O4 O I4 O I3 I O3 Control Switch H ON L OFF 1 2 3 4 8 7 6 5 XIN VDD VCXO VSS XOUT 27M 13 5M 16 9344M Pin No Symbol Description 1 XIN Reference crystal input 2 VDD Power supply 3 VCXO Input analog control for VCXO 4 VSS Connect to ground 5 16 9344M 16 9344 MHz clock output 6 13 5 13 5 MHz clock output 7 27M 27 M...

Page 37: ...for 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 C...

Page 38: ...ic 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 positive going edge of the CLK with RAS low Enables row a...

Page 39: ...ted 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 when DQM active 60 66 A3 A9 Row column addresses are mu...

Page 40: ...0 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 OUT4 OUT3 OUT2 OUT1 AVDD SWin GNDS SRin SLin GNDC Cin GNDR Rin GNDL Lin BYPASSR BYPASSL LTRE LBASS3 LBASS2 LBASS1 DVDD CLK DATA LATCH DGND AGND SWout SRout SLout Cout Rout Lout AVSS CL1 CL2 CR1 CR2 RTRE RBASS3 RBASS2 RBASS1 OUT PUT PORT volume volume volume volume volume volume MCU I F tone tone ...

Page 41: ...ss frequency adjusting terminal 21 LBASS1 I Tone bass frequency adjusting terminal 22 RBASS1 I Tone bass frequency adjusting terminal 23 RBASS2 I Tone bass frequency adjusting terminal 24 RBASS3 I Tone bass frequency adjusting terminal 25 RTRE I Tone treble frequency adjusting terminal 26 CR2 O Tone output terminal 27 CR1 I R channel volume input 28 CL2 O Tone output terminal 29 CL1 I L channel vo...

Page 42: ...NC A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I O1 I O2 I O3 Vss 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 VDD A15 CS2 WE A13 A8 A9 A11 OE A10 CS1 I O8 I O7 I O6 I O5 I O4 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 DECOD...

Page 43: ...W 2 3 4 7 5 6 Pin No 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 ...

Page 44: ...ust be connected 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 ...

Page 45: ... Not connect 14 23 GND Ground 24 VREF Reference voltage 25 NC Not connect 26 RESET I FL reset input 27 PLED HO O POWER LED switching signal 28 KEYLED HO O KEY LED switching signal 29 PLED VE O POWER LED switching signal 30 KEYLED_VE O KEY LED switching signal 31 REMOCON_HO O Remote control receiver switching signal 32 NC Not connect 33 38 GND Ground 39 PLED_DIM O POWER LED DIMMER switching signal ...

Page 46: ...n clock 21 RXD DATA OUT O Serial communication data output for PANTERA 22 TXD DATA IN I Serial communication data input for PANTERA 23 SCLK I Serial communication clock for PANTERA 24 CS O Transmit request for PANTERA communication 25 CPU RESET O Reset signal for PANTERA 26 INTP I Receive request for PANTERA communication Interruption 27 REMOCON I Remote control signal input interruption 28 GND Gr...

Page 47: ...mmunication clock 74 TU CE O TUNER serial communication CE 75 AM BEAT O AM beat cut switching 76 S MUTE O System mute 77 VS1 O E Scart connector control D S1 OUT control 78 VS3 O Control for scart connector control terminal 79 LED DIM O Disc LED dimmer control 80 LED BLUE O Disc LED control 81 MECHA V H O Indicate of mechanism position to front end 82 DISC SET O Indicate of read start permission t...

Page 48: ...VDD3 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 si...

Page 49: ...T Not 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 DSLF...

Page 50: ...lection 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 VDD1...

Page 51: ...in control 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 c...

Page 52: ...al 14 VSSio Connect to ground 15 16 MA7 6 O SDRAM Address bus terminal 17 VSS Connect to ground 18 MA5 O SDRAM Address bus terminal 19 VDDio Power supply terminal 3 3V 20 21 MA4 3 O SDRAM Address bus terminal 22 MCLK O SDRAM Clock output 23 VSSio Connect to ground 24 CKE O SDRAM Clock enable output 25 26 MA2 1 O SDRAM Address bus terminal 27 VDDio Power supply terminal 3 3V Audio output processor ...

Page 53: ...ta bus terminal 65 DQM3 O SDRAM Data byte enable 66 CS1 O SDRAM Extension bank chip select 67 VSSD Connect to ground 68 SPDIF O S PDIF Digital audio output terminal 69 VSSio Connect to ground 70 AIN I Digital audio input for digital micro can be used as GPIO 71 AOUT3 O Serial audio output data to audio DAC for left and right channels for down mix 72 AOUT2 O Serial audio output data to audio DAC fo...

Page 54: ...can chain test enable 104 MVCKVSS Connect to ground for main and video clock PLL 105 ACLKVSS Connect to ground for audio clock PLL 106 SCMD I Scan chain test mode 107 ACLKVDD Power supply terminal for audio clock PLL 3 3V 108 VDDDAK Power supply terminal for DAC digital 1 8V 109 VSSDAC Connect to ground for DAC digital 110 Cr R O Video signal output Cr output composite component Red output 111 IOM...

Page 55: ...to ground 178 180 AD2 0 I O Multiplexed address data bus terminal 181 VDDio Power supply terminal 3 3V 182 PWE0 I O Byte write enable for FLASH EEPROM SRAM or peripherals terminal 183 ALE I O Address latch enable 184 187 LA0 3 I O Latched address 0 3 188 VSSio Connect to ground 189 RD I O Read terminal 190 LHLDA O Bus hold acknowledge in slave mode 191 LHLD I Bus hold request from external master ...

Page 56: ...ower supply terminal 3 3V 225 226 DVD6 7 I DVD Drive parallel data port 227 MD0 I O SDRAM Data bus terminal 228 VSSio Connect to ground 229 MD1 I O SDRAM Data bus terminal 230 VSS Connect to ground 231 232 MD2 3 I O SDRAM Data bus terminal 233 VDDio Power supply terminal 3 3V 234 236 MD4 6 I O SDRAM Data bus terminal 237 VSSio Connect to ground 238 240 MD7 9 I O SDRAM Data bus terminal Pin No Symb...

Page 57: ... 3 state output Pin layout Block diagram Truth table X Don t care Z High impedance 4 29 NJM4580M X IC158 IC159 IC160 Dual OP amplifier Block diagram 1 VCC Y OE A GND 2 3 5 4 INPUTS OUTPUT OE B Y L H H L L L H X Z 8 7 6 5 1 2 3 4 B A V B OUT B IN B IN V A IN A IN A OUT ...

Page 58: ...TH V70R 1 58 No 21175 4 30 NJM78M05FA IC805 IC953 Regulator Terminal layout Block diagram 1 2 3 1 INPUT 2 GND 3 OUTPUT INPUT OUTPUT GND ...

Page 59: ...t Block diagram 4 32 RPM6938 SV4 IC711 IC871 Remote control receiver Pin diagram Block diagram PQ05RD21 Vin Vout GND Vcontrol 2 1 3 4 Vcontrol Voutput Vinput GND 1 2 3 Vcc Vcc Comp AGC AMP PD Detector BPF fo trimming circuit I V conversion magnetic shield Rout GND 22k ...

Page 60: ...ot connect 2 Vcc Power supply 3 CS Chip select input 4 SK Serial clock input 5 DI Serial data input 6 DO Serial data output 7 GND Ground 8 TEST TEST pin Open NC Vcc CS SK TEST GND DO DI 1 2 3 4 8 7 6 5 Top view Memory array Data register Mode decode logic Clock generator circuit Output buffer Address decoder VCC GND DO DI CS SK ...

Page 61: ...A I O IC bus serial data I O 10 SCL I IC bus serial clock input 11 NC Non connect 12 GND Connect to ground 13 NC Non connect 14 VDDA Analog power supply 5V 15 VSSA Connect to ground 16 MPX I Multiplex input signal 17 Vref O Reference voltage output 18 SCOUT O Band pass filter output 19 CIN O Comparator output 20 NC I Level input 57 kHz 8th ORDER BAND PASS CLOCK COMPARATOR RDS RDBS DEMODULATOR RDS ...

Page 62: ...uring 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 whe...

Page 63: ... STK402 030 IC106 Power amplifier Pin layout Block diagram 1 15 1 4 R1 TR1 TR3 TR2 TR4 TR5 TR6 TR8 R8 C2 TR14 TR15 TR16 R14 R11 R13 R12 R10 R9 TR9 TR10 TR12 TR13 TR11 TR7 C1 D1 R6 R3 R4 R5 R7 13 11 14 15 9 8 12 5 6 7 10 2 R2 SUB ...

Page 64: ...10 R8 TR11 TR13 R12 TR12 R11 C2 TR14 R13 R20 TR15 TR16 R14 TR23 TR21 C3 R15 TR17 TR18 TR19 R17 TR20 R16 R21 TR24 TR22 R18 R19 R9 R10 4 1 2 8 Vcc 12 5 9 7 6 10 14 15 16 17 19 18 11 CH1 VE CH1 VE CH2 VE CH2NF CH2IN CH3IN CH3NF CH3 VE CH3 VE CH2 VE 13 PRE Vcc CH1IN CH1NF PRE Vcc BIAS Vcc GND 1 13 1 2 3 4 5 SUB 6 7 8 9 10 11 12 13 PT1 IN1 NF GND BIAS 12V PRE Vcc NC VCC VCC OUT OUT R1 TR1 TR2 R2 C1 TR3...

Page 65: ...TCH O S C Vth 2 DRIVE Comp 1 Vth 1 Pin No Symbol Description Function 1 D Drain terminal MOS FET drain 2 S Source terminal MOS FET source 3 GND Ground terminal Ground 4 Vin Power supply terminal Input of power supply for control circuit 5 O C P F B Over current Feedback terminal Input of over current detection signal and constant voltage control signal ...

Page 66: ...UT 2 MOTOR 0 0 Infinity Infinity STOP 1 0 H L CW CCW 0 1 L H CCW CW 1 1 L L BRAKE Pin No Symbol Description 1 IN2 Input terminal 2 Vcc Power supply terminal for logic 3 OUT2 Output terminal 4 NC Non connect 5 GND Connect to ground 6 Vs Power supply terminal for motor driver 7 OUT1 Output terminal 8 Vref Reference voltage terminal for control circuit 9 IN1 Input terminal 14 13 12 11 10 9 8 7 6 5 4 ...

Page 67: ...terminal 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 ...

Page 68: ... I Output 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 ...

Page 69: ...ace 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 destinati...

Page 70: ... No 21175 AV MULTIMEDIA COMPANY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED 200302WPC Printed in Japan TH V70R ...

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Summary of Contents for SP-PWV70

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JVC SP-PWV70, Service Manual, Page: 54 / 70

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Summary of Contents for SP-PWV70

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