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Philco STC-9630 Service Manual Download Page 66

   VOLUME CONTROL IC PT2258

   CPU IC AT89C2051

   POWER IC TDA7377

   POWER IC TDA2003

   POWER IC LM1875

CAUTIONS

STC-9630 SERVICE MANUAL

There is high voltage inside this unit. Make sure to pull out the plug of this unit before 

repairing!

There are many high voltage components inside this unit. Please pay attention to all 

warnings and instructions marked on this unit to avoid electric shock!

Specifications of the replaced components must be the same as that of the original 

components. Do not change the components' specifications to prevent risks! 

C

ontents

1     STC-9630  FEATURES

2     CIRCUIT CONNECTION DIAGRAM & BLOCK DIAGRAM

3     DETAILED CIRCUIT EXPLANATIONS

10   THE EXPLANATION FOR KEY COMPONENTS

CAUTIONS

CONTENTS

Summary of Contents for STC-9630

Page 1: ...1 2 MIC OPEN CLOSE SERVICE MANUAL STC 9630 ...

Page 2: ...OSED VIEW AND PART LIST 4 5 2 BRACKET EXPLOSED VIEW AND PART LIST 6 6 ELECTRICAL CONFIRMATION 8 6 1 VIDEO OUTPUT LUMINANCE SIGNAL CONFIRMATION 8 6 2 VIDEO OUTPUT CHROMINANCE SIGNAL CONFIRMATION 9 7 MPEG BOARD CHECK WAVEFORM 10 8 IC BLOCK DIAGRAM DESCRIPTION 11 9 SCHEMATIC PCB WIRING DIAGRAM 43 10 SPARE PARTS LIST 56 8 1 MT1336 11 8 2 MT1379 19 8 3 AM29LV160D 35 8 4 HY57V641620HG 40 3 CONTROL BUTTO...

Page 3: ... removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as alminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate ele...

Page 4: ...AY button 9 MIC 1 jack LED display window 14 POWER switch 6 STOP button MIC 1 VOLUME knob 11 8 FWD button IR SENSOR 13 3 OPEN CLOSE button 1 2 MIC OPEN CLOSE 4 5 6 7 8 3 11 12 13 14 10 9 2 2 Disc tray 7 REW button 12 MIC 2 VOLUME knob ...

Page 5: ...e installation the both ends of the laser diode are short circuited After replacing the parts with new ones remove the short circuit according to the correct procedure See this Technical Guide 2 Do not use a tester to check the laser diode for the optical pickup Failure to do so willdamage the laser diode due to the power supply in the tester 4 2 Handling precautions for Traverse Unit Optical Pick...

Page 6: ...5 1 Optical pickup Unit Explosed View and Part List Pic 1 ...

Page 7: ... MIDDLE A 1 7 1EA2511A29400 GEAR MIDDLE B 1 8 1EA2744A03000 SHAFT SLIDE 1 9 1EA2744A03100 SHAFT SLIDE SUB 1 10 1EA2812A15300 SPRING COMP TYOUSEI 3 11 1EA2812A15400 SPRING COMP RACK 1 21 1EA0B10B20100 ASSY PWB 1 Or 1EA0B10B20200 ASSY PWB 1 31 SEXEA25700 SPECIAL SCREW BIN M2X11 3 32 SEXEA25900 SPECIAL SCREW M1 7X2 2 2 33 SFBPN204R0SE SCR S TPG PAN 2X4 2 34 SFSFN266R0SE SCR S TPG FLT 2 6X6 1 35 SWXEA...

Page 8: ...lt wheel 17 Pick up 5 gearwheel 18 switch 6 iron chip 19 Five pin flat plug 7 Immobility mechanism equipment 20 screw 8 Magnet 21 PCB 9 Platen 22 motor 10 Bridge bracket 23 Motor wheel 11 screw 24 screw 12 screw 25 tray 13 Big bracket Before going process with disassembly and installation please carefully both peruse the chart and confirm the materials ...

Page 9: ...th a soldering iron after a circuit is connected Keep the power source of the pick up protected from internal and external sources of electrical noise Refrain from operation and storage in atmospheres containing corrosive gases such as H2S SO2 NO2 and Cl2 or toxic gases or in locations containing substances especially from the organic silicon cyan formalin and phenol groups which emit toxic gases ...

Page 10: ...Connect the oscilloscope to the video output terminal and terminate at 75 ohms 2 Confirm that luminance signal Y S level is 1000mVp p 30mV Measurement point Video output terminal Color bar 75 PLAY Title 46 DVDT S15 PLAY Title 12 DVDT S01 DVDT S15 or DVDT S01 Mode Disc Measuring equipment tools 200mV dir 10 sec dir 1000mVp p 30mV Confirmation value ...

Page 11: ...utput terminal and terminate at 75 ohme 2 Confirm that the chrominance signal C level is 621 mVp p 30mV Measurement point Video output terminal Color bar 75 PLAY Title 46 DVDT S15 PLAY Title 12 DVDT S01 DVDT S15 or DVDT S01 Mode Disc Measuring equipment tools Confirmation value Screwdriver Oscilloscope 200mV dir 10 sec dir 621mVp p 30mV ...

Page 12: ......

Page 13: ...ed by the access of internal register through bi directional serial port to configure modes selection FEATURES n RF equalizer with programmable c f from 3MHz to 70 MHz and programmable boost from 3dB to 13dB n MT1336 supports at least eight different kinds of pick up heads with versatile input configuration for both RF input stages and servo signal blocks n Versatile on line AGC n 3 beams tracking...

Page 14: ...RP INPUT MUX REF and 2VREF Voltage Generator VGA EQ ENVELOP DETECTOR AGC CDA DVDB CDB DVDC CDC DVDD CDD DVDRFIN DVDRFIP TPI TNI RFOP SBAD TE RF LEVEL FE DVD APC MDI1 LDO1 CD APC VREFO SLCK SDEN SERIAL PORT DPFN DPFO IR DPDMUTE CRTP OSP OSN RFON CRTPLP RFGC MA CENTRAL SERVO RFGCI AGC3 AGC1 AGC2 CSO HALLSIN SINPHI HRFRP MB MC MD CDFOP CDFON SA SB SC SD V20 RFSUBO WOBBLE DET WOBSO COSPHI REFSIN REFCO...

Page 15: ... IO7 IO8 IO9 FEO IOB SW2 IOA 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31 32 33 34 35 37 38 14 25 36 IO0 AVDDF IO6 AGNDX AVDDM HALLCOS COSPHI REFCOS AGNDM HALLSIN UDGATE HDGATE 39 40 41 42 43 45 46 47 49 50 51 52 54 53 55 56 57 58 59 60 61 62 63 64 44 48 IR AVDD SC SD WGND LDO2 MDI2 MDI1 CDFOP SVDD TPI TNI SGND RFSUBO WOBSO WVDD LDO1 WAVDD AGC1 AGC2 AGC3 WAGND 121 ...

Page 16: ...VDA Analog input AC coupled DVD RF signal input A 99 DVDB Analog Input AC coupled DVD RF signal input B 98 DVDC Analog Input AC coupled DVD RF signal input C 97 DVDD Analog Input AC coupled DVD RF signal input D 95 DVDRFIN Analog Input AC coupled DVD RF signal input RFIN 96 DVDRFIP Analog Input AC coupled DVD RF signal input RFIP 94 CDA Analog Input AC coupled CD RF signal input A 93 CDB Analog In...

Page 17: ... External current bias resistor R 20K 119 AGC1 Analog Wobble AGC loop1 capacitor 121 AGC2 Analog Wobble AGC loop2 capacitor 122 AGC3 Analog Wobble AGC loop3 capacitor 127 RFSUBO Analog output Header push pull RF output signal 1 WOBSO Digital output Wobble signal output 6 RFOP Analog output RF positive output 7 RFON Analog output RF negative output TRACKING ERROR 32 DPFN Analog DPD amplifier negati...

Page 18: ... output POWER 67 69 AVDD Power Master PLL Filter power 65 73 AGND GND GND for Master PLL Filter 64 AVDD Power DPD Power 62 AGND GND DPD GND 109 AVDD Power RF path Power 107 AGND GND RF path GND 114 SVDD Power Servo Power 117 SGND GND Servo GND 2 120 WAVDD Power Wobble Power 128 118 WAGND GND Wobble GND 5 AVDDO Power Power for RF output 8 AGNDO GND GND for RF output 14 AVDDT Power Power for Trimmin...

Page 19: ...tive input of amplifier for hall sensor signal 75 REFSIN Analog input Positive input of amplifier for hall sensor signal 76 SINPHI Analog output Amplifier output for hall sensor signal 71 HALLCOS Analog input Negative input of amplifier for hall sensor signal 72 REFCOS Analog input Positive input of amplifier for hall sensor signal 70 COSPHI Analog output Amplifier output for hall sensor signal FO...

Page 20: ...MT1336 PRELIMINARY SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL NO DISCLOSURE 48 IO6 49 IO7 50 IO8 51 IO9 52 IOA 53 IOB ...

Page 21: ...AV mode Provide a varipitch speed control for CLV and CAV mode Built in ADCs and DACs for digital servo control Provide 2 general PWM Tray control can be PWM output or digital output Built in DSP for digital servo control n Host Micro controller Built in 8032 micro controller Built in internal 373 and 8 bit programmable lower address port 1024 bytes on chip RAM Up to 2M bytes FLASH programming int...

Page 22: ...coding MPEG 2 layer1 layer2 2 channel audio decoding Dolby Pro Logic decoding High Definition Compatible Digital HDCD decoding Up to 6 channel linear PCM output for DVD Audio DVD Video Downmix function Support IEC 60958 61937 output PCM bit stream mute mode Custom IEC latency up to 2 frames Pink noise and white noise generator Karaoke functions Microphone echo with adjustable echo level echo depth...

Page 23: ... PLL and related analog circuitry 12 FOO Analog Output Focus servo output PDM output of focus servo compensator 13 TRO Analog Output Tracking servo output PDM output of tracking servo compensator 14 TROPENPWM Analog Output Tray open output controlled by microcontroller This is PWM output for TRWMEN27hRW2 1 or is digital output for TRWMEN27hRW2 0 15 PWMOUT1 Analog Output The 1st general PWM output ...

Page 24: ...l digital circuitry 36 AD3 Inout 2 16MA SR Microcontroller address data 3 37 AD2 Inout 2 16MA SR Microcontroller address data 2 38 AD1 Inout 2 16MA SR Microcontroller address data 1 39 AD0 Inout 2 16MA SR Microcontroller address data 0 40 IOA0 Inout 2 16MA SR PU Microcontroller address 0 IO 41 IOA1 Inout 2 16MA SR PU Microcontroller address 1 IO 42 DVDD2 Power 2 5V power pin for internal digital c...

Page 25: ...DD3 Power 3 3V Power pin for audio clock circuitry 56 ALE Inout 2 16MA SR PU SMT Microcontroller address latch enable 57 IOOE Inout 2 16MA SR SMT Flash output enable active low IO 58 IOWR Inout 2 16MA SR SMT Flash write enable active low IO 59 IOCS Inout 2 16MA SR PU SMT Flash chip select active low IO 60 DVSS Ground Ground pin for internal digital circuitry 61 UP1_2 Inout 4MA SR PU SMT Microcontr...

Page 26: ...ite strobe active low 76 URD Inout 2 16MA SR PU SMT Microcontroller read strobe active low 77 DVSS Ground Ground pin for internal digital circuitry 78 RD7 Inout DRAM data 7 79 RD6 Inout DRAM data 6 80 RD5 Inout DRAM data 5 81 RD4 Inout DRAM data 4 82 DVDD2 Power 2 5V power pin for internal digital circuitry 83 RD3 Inout DRAM data 3 84 RD2 Inout DRAM data 2 85 RD1 Inout DRAM data 1 86 RD0 Inout DRA...

Page 27: ...nd pin for internal digital circuitry 103 CLK Output 2 16MA SR DRAM clock 104 CLE Output 2 16MA SR DRAM clock enable 105 RA11 Output 2 16MA SR DRAM address bit 11 or audio serial data 3 channel 7 8 106 RA9 Output 2 16MA SR DRAM address 9 107 RA8 Output 2 16MA SR DRAM address 8 108 DMVDD3 Power 3 3V Power pin for DRAM clock circuitry 109 DMVSS Ground Ground pin for DRAM clock circuitry 110 RA7 Outp...

Page 28: ... 3 125 DVSS Ground Ground pin for internal digital circuitry 126 RD31 Inout 2 16MA SR PU PD SMT DRAM data 31 127 RD30 Inout 2 16MA SR PU PD SMT DRAM data 30 128 RD29 Inout 2 16MA SR PU PD SMT DRAM data 29 129 RD28 Inout 2 16MA SR PU PD SMT DRAM data 28 130 DVDD3 Power 3 3V power pin for internal digital circuitry 131 RD27 Inout 2 16MA SR PU PD SMT DRAM data 27 132 RD26 Inout 2 16MA SR PU PD SMT DR...

Page 29: ...ortA 1 147 RD16 Inout 2 16MA SR PU PD SMT DRAM data 16 Videoin Data PortA 0 148 ABCK Output 4MA Audio bit clock 149 ALRCK Inout 4MA PD SMT 1 Audio left right channel clock 2 Trap value in power on reset 1 use external 373 0 use internal 373 150 DVDD3 Power 3 3V power pin for internal digital circuitry 151 ACLK Inout 4MA Audio DAC master clock 384 256 audio sample frequency 152 MC_DATA Input Microp...

Page 30: ...1 Analog chroma output 165 DACVDDB Power 3 3V power pin for VIDEO DAC circuitry 166 YUV2 Y Output 4MA SR Video data output bit 2 167 DACVSSB Ground Ground pin for VIDEO DAC circuitry 168 YUV3 CVBS Output 4MA SR Video data output bit 3 Analog composite output 169 DACVDDA Power 3 3V power pin for VIDEO DAC circuitry 170 YUV4 G Output 4MA SR Video data output bit 4 Green or Y 171 DACVSSA Ground Groun...

Page 31: ...e 197 SLCK Output RF serial clock output 198 BDO Input Flag of defect data input status 199 ADCVSS Ground Ground pin for ADC circuitry 200 ADIN Analog Input General A D input 201 RFSUBI Analog Input RF subtraction signal input terminal 202 TEZISLV Analog Input Tracking error zero crossing low pass input 203 TEI Analog Input Tracking error input 204 CSO Analog Input Central servo input 205 FEI Anal...

Page 32: ...3 194 195 196 197 198 199 200 201 202 YUV4 G YUV6 R YUV7 RFRP_DC FEI RFLEVEL HRFZC PRST VFO13 DVDD3 DVSS IDGATE SDATA DVDD3 CSO PWM2VREF BDO UDGATE SDEN WOBSI SLCK TEI PWMVREF ADIN RFSUBI TEZISLV DVDD2 SPBCK DACVSSB DACVDDA 203 204 205 206 207 208 RFIN RFDTSLVN RFIP RFDTSLVP 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 DVDD...

Page 33: ...ides interface between the input servo signals and the Servo DSP It has built in ADCs to digitize the servo control signal and DACs to provide signals for the actuator and sledge motor It also has a serial interface to communicate with the MT1336 MT1376 chip Analog Front End The analog front end contains a data slicer circuit and a data PLL circuit The RF analog signal from MT1336 MT1376 is quanti...

Page 34: ...ue Saturation adjustment and edge enhancement Reading and decoding SPU and OSD data from DRAM buffer Generating hardware cursor image Merging the video data SPU OSD and cursor Video Processor The Video Processor unit controls the transfer of video data stored in the DRAM to an internal or external TV encoder It uses FIFOs to buffer outgoing luminance and chrominance data and performs YUV420 to YUV...

Page 35: ...d stream Audio Interface Audio interface consists of Audio Output Interface and Microphone Input Interface Audio Output Interface The MT1379 can support up to 8 channel audio outputs The output formats can be 16 24 or 32 bit frames Left alignment right alignment or I 2 S formats are all supported With built in PLL MT1379 can provide the audio clock ACLK for external audio DAC at 384Fs where Fs is ...

Page 36: ...VDDA Analog Supply voltage 0 3 to 3 6 V VIN Input Voltage 0 3 to 5 5 V VOUT Output Voltage 0 3 to VDD3 0 3 V Ta Ambient Temperature 0 to 70 C DC Charateristics Symbol Parameters Min Typ Max Unit VIH Input voltage high 2 4 3 6 V VIL Input voltage low 0 8 V VOH Output voltage high 3 0 VDD3 V VOL Output voltage low 0 5 V IIH High level input current 10 uA IIL Low level input current 10 uA PD Power di...

Page 37: ...tor Sectors can be locked in system or via programming equipment Temporary Sector Unprotect feature allows code changes in previously locked sectors Unlock Bypass Program Command Reduces overall programming time when issuing multiple program command sequences Top or bottom boot block configurations available Embedded Algorithms Embedded Erase algorithm automatically preprograms and erases the enti...

Page 38: ...ess time ns tACC 70 90 120 Max CE access time ns tCE 70 90 120 Max OE access time ns tOE 30 35 50 Input Output Buffers X Decoder Y Decoder Chip Enable Output Enable Logic Erase Voltage Generator PGM Voltage Generator Timer VCC Detector State Control Command Register VCC VSS WE BYTE CE OE STB STB DQ0 DQ15 A 1 Sector Switches RY BY RESET Data Latch Y Gating Cell Matrix Address Latch A0 A19 ...

Page 39: ...Q12 DQ4 VCC DQ11 DQ3 DQ10 48 33 47 46 45 44 43 42 41 40 39 38 37 36 35 34 25 32 31 30 29 28 27 26 A1 A15 A18 A14 A13 A12 A11 A10 A9 A8 A19 NC WE RESET NC NC RY BY A17 A7 A6 A5 A4 A3 A2 1 16 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 9 10 11 12 13 14 15 A16 DQ2 BYTE VSS DQ15 A 1 DQ7 DQ14 DQ6 DQ13 DQ9 DQ1 DQ8 DQ0 OE VSS CE A0 DQ5 DQ12 DQ4 VCC DQ11 DQ3 DQ10 48 33 47 46 45 44 43 42 41 40 39 38 37 36 35 34 ...

Page 40: ... 22 RESET A18 A17 A7 A6 A5 A4 A3 A2 A1 A0 CE VSS OE DQ0 DQ8 DQ1 DQ9 DQ2 DQ10 DQ3 DQ11 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 WE A19 A8 A9 A10 A11 A12 A13 A14 A15 A16 BYTE VSS DQ15 A 1 DQ7 DQ14 DQ6 DQ13 DQ5 DQ12 DQ4 VCC SO A1 B1 C1 D1 E1 F1 G1 H1 A2 B2 C2 D2 E2 F2 G2 H2 A3 B3 C3 D3 E3 F3 G3 H3 A4 B4 C4 D4 E4 F4 G4 H4 A5 B5 C5 D5 E5 F5 G5 H5 A6 B6 C6 D6 E6 F6 G6 H6 DQ15 A ...

Page 41: ...r 16 bit mode CE Chip enable OE Output enable WE Write enable RESET Hardware reset pin RY BY Ready Busy output N A SO 044 VCC 3 0 volt only single power supply see Product Selector Guide for speed options and voltage supply tolerances VSS Device ground NC Pin not connected internally LOGIC SYMBOL 20 16 or 8 DQ0 DQ15 A 1 A0 A19 CE OE WE RESET BYTE RY BY N A SO 044 ...

Page 42: ...of consecutive read or write cycles initiated by a single control command Burst length of 1 2 4 8 or Full page and the burst count sequence sequential or interleave A burst of read or write cycles in progress can be terminated by a burst terminate command or can be interrupted and replaced by a new burst read or write command on any cycle This pipelined design is not restricted by a 2N rule FEATUR...

Page 43: ...rite Enable RAS CAS and WE define the operation Refer function truth table for details LDQM UDQM Data Input Output Mask Controls output buffers in read mode and masks input data in write mode DQ0 DQ15 Data Input Output Multiplexed data input output pin VDD VSS Power Supply Ground Power supply for internal circuits and input buffers VDDQ VSSQ Data Output Power Ground Power supply for output buffers...

Page 44: ...Column Pre Decoders Column Add Counter Row active Column Active Burst Counter Data Out Control CAS Latency Internal Row counter DQ0 DQ1 DQ14 DQ15 refresh Self refresh logic timer Pipe Line Control I O Buffer Logic Bank Select Sense AMP I O Gate CLK CKE CS RAS CAS WE UDQM LDQM 1Mx16 Bank 3 X decoders X decoders Memory Cell Array Y decoders X decoders 1Mx16 Bank 0 1Mx16 Bank 1 1Mx16 Bank 2 ...

Page 45: ...PT6961 LEDAT LEDCK LEDST KEY1 KEY2 KEY3 S1 S2 S3 S4 S5 S6 S7 S8 G1 G2 G3 G4 G5 G6 G7 VCC VCC VCC VCC2 TC402 100uF 16V S1 S2 S3 S4 S5 S6 S7 S8 G1 G2 G3 G4 G5 G7 G6 2 5 7 10 12 14 15 16 A 11 B 13 C 8 D 4 E 9 F 6 G 3 1 LED401 LED SOCK 1 S9 S9 1 2 LED906 1 2 LED905 1 2 LED904 1 2 LED903 1 2 LED902 1 2 LED901 1 2 LED907 VCC1 GND KEY1 KEY2 KEY3 S1 S2 VCC1 2 3 4 1 5 6 7 XS401 XS07 LED Q401 8050 R407 10K ...

Page 46: ......

Page 47: ...F 10V TC505 1000uF 10V TC509 1000uF 10V TC510 1000uF 10V 2 3 4 1 5 CN501 XS05 D508 HER105 C507 101 TC503 470uF 16V R511 220R 1W FB 4 GND 1 D 2 VCC 3 U501 5L0380R R507 10K R504 1M R501 680K 1 2W 2 3 4 1 5 6 CN502 XS06 VOICE DET SD 5V SA 5V 9V DGND DGND DGND 220V BCN501 IN 1 GND 2 OUT 3 U504 LM7805 TC508 100uF 16V SA 5V D510 HER306 ZD501 5 1V D506 HER105 D509 SR360 D511 HER105 D512 HER105 2 3 4 1 5 ...

Page 48: ......

Page 49: ...7uF 16V TC601 4 7uF TC602 4 7u 9VA R617 100K R621 10ohm1 6W TC615 47uF 16V C601 104 R622 10ohm1 6W TC616 47uF 16V C602 104 9V 9VA 9V 9VA OK 5 4 3 2 1 6 7 8 9 MIC601 5 4 3 2 1 6 7 8 9 MIC602 TC613 4 7uF 16V L601 L602 TC611 47uF 16V 9VA R615 100K R616 330 R619 100 VD601 1N4148 VD602 1N4148 VD603 1N4158 DET R618 10K 5V 9VA 9V 9V AGND OK DET 2 3 4 1 5 6 XS601 XS06 5V MIC1 MIC2 OUT1 OUT2 2 3 4 1 5 XS60...

Page 50: ......

Page 51: ...L SR L R RED WHITE BLACK L701 FB L702 FB L703 FB L704 FB L705 FB L706 FB C701 102 C702 102 C703 102 C704 102 C705 102 C706 102 C711 104 Y Pb SPDIF R706 2 2R TC701 220uF 2 3 4 1 5 6 8 9 10 7 11 12 14 15 16 13 17 18 20 21 22 19 23 24 25 26 28 27 XS701 XS28 HS VS TC702 1000uF 16V TC703 220uF 16V TC704 220uF 16V L712 FBSMT L711 FBSMT Pr 1 2 3 4 5 6 7 8 9 10 11 12 JK701 AV8 1 2 3 4 JK703 S VIDEO 5 7 6 ...

Page 52: ......

Page 53: ...6 10K TRCLOSE TROPEN ENDM STBY C322 104 C320 104 C321 104 TC305 47uF 16V C324 104 C327 104 C325 104 C326 104 RVCCIN RVCCIN C338 104 C339 104 2 3 4 1 5 6 8 9 10 7 11 12 14 15 16 13 17 18 20 21 22 19 23 24 XS301 24P0 5mm R320 20K R319 10K R321 20K C331 151 C337 104 C335 104 C336 104 TC304 47uF 16V R318 1R R317 1R R316 20K C330 104 L318 FBSMT L316 FBSMT L312 FBSMT L314 FBSMT L311 FBSMT L310 FBSMT L30...

Page 54: ... 6 8 9 10 7 11 12 14 15 16 13 17 XS205 XS17 DNS 9V PDAT0 L208 FBSMT DNS L251 FBSMT DNS C2153 104 TC211 220uF 16V C2154 104 TC213 220uF 16V L205 FB AV33 V25 IN 1 GND 2 OUT 3 U208 BA033FP DNS IN 3 GND 1 OUT 2 U209 LM1117MP 2 5 DNS VCC AV33 V25 VCC L209 FB A5V AVCC SPDIF IEC958 AGND VGND LFE Cc SR SL Rt Lt VIDEO_COMP VIDEO_U VIDEO_V VIDEO_C VIDEO_Y 5V IEC958 2 3 4 1 5 6 8 9 10 7 11 12 14 15 16 13 17 ...

Page 55: ...87 CAS 88 RAS 89 RCS 90 BA0 91 DVSS 92 RD15 93 RD14 94 RD13 95 RD12 96 DVDD3 97 RD11 98 RD10 99 RD9 100 RD8 101 DVSS 102 CLK 103 CLE 104 DMVSS 109 RA7 110 DVDD3 111 RA6 112 RA5 113 RA4 114 DVSS 115 DQM 1 116 DQM 0 117 BA1 118 RA10 119 DVDD2 120 RA0 121 RA1 122 RA2 123 RA3 124 DVSS 125 RD31 126 RD30 127 RD29 128 RD28 129 DVDD3 130 RD27 131 RD26 132 RD25 133 RD24 134 DVSS 135 DQM 3 136 DQM 2 137 RD2...

Page 56: ...6 1K R2115 100K R2116 100K Q 2 10 2SC1815 YS Q 2 09 2SC1815 YS C278 104 C279 104 C280 104 9V AGND C281 104 C282 104 C283 104 9V AGND SDATA2 SDATA1 SDATA0 SLRCK SACLK SBCLK SCL SDA RST LL RS RR LS LFE C R2132 20K C2116 102 OKA AGND R2156 20K R2136 6 8K R2148 6 8K R2152 6 8K R2153 6 8K R2154 6 8K R2155 6 8K C2122 122 C2129 122 C2130 122 C2133 122 C2135 122 C2136 122 VOICE DET VLS 1 SDIN1 2 SDIN2 3 S...

Page 57: ......

Page 58: ...SMD RESISTOR 1 16W 1 5K 5 2 R338 R342 14 SMD RESISTOR 1 16W 4 7K 5 16 R222 R223 R211 R2130 R2131 R2134 R 2135 R2138 R2139 R2142 R2143 R2146 R2147 R2150 R2151 R285 15 SMD RESISTOR 1 16W 6 8K 5 6 R2136 R2148 R2152 R2155 16 SMD RESISTOR 1 16W 8 2K 5 1 R201 17 SMD RESISTOR 1 16W 10K 5 12 R206 R250 R265 R303 R306 R309 R311 R319 R339 R2157 18 SMD RESISTOR 1 16W 15K 5 2 R207 R307 19 SMD RESISTOR 1 16W 20...

Page 59: ...7 C2146 C21 50 C2154 41 SMD CAPACITOR 16V 105 80 20 0603 4 C315 C318 42 SMD CAPACITOR 10V 225 80 20 0805 2 C226 C228 43 SMD CAPACITOR 50V 102 10 0603 10 C233 C238 C239 C2112 C2115 C2118 C 2121 C2124 C2127 C2148 44 SMD CAPACITOR 50V 122 10 0603 6 C2122 C2129 C2130 C2133 C2135 C213 6 45 SND C 50V 103 10 0603 4 C212 C215 46 SMD CAPACITOR 50V 153 10 0603 3 C220 C308 C319 47 SMD CAPACITOR 16V 333 10 06...

Page 60: ...L SPECIFICATIONS PART NUMBER QUANTITY LOCATION 1 CARBON FILM RESISTOR 1 4W33Ω 5 SHAPED 10 1 R505 2 CARBON FILM RESISTOR 1 4W330Ω 5 SHAPED 10 1 R506 3 METAL OXIDE FILM RESISTOR 1W330Ω 5 SHAPED R 15 8 1 R511 4 CARBON FILM RESISTOR 1 4W10K 5 SHAPED 10 1 R507 5 CARBON FILM RESISTOR 1 4W1MΩ 5 SHAPED 10 1 R504 6 METAL FILM RESISTOR 1 4W4 7K 1 1 R508 7 METAL FILM RESISTOR 1 4W12K 1 SHAPED 10 1 R509 8 MET...

Page 61: ... 1 CD LS 400V47U 20 22 25 10 1 TC501 23 MAGNETIC BEADS INDUCTOR RH354708 1 L503 24 CHOKE COIL VERTICAL 10UH 1A 5mm 1 L505 25 CHOKE COIL VERTICAL 10UH 2A 5mm 2 L506 L507 26 SWITCHING POWER TRANSFORMER BCK 28 0286 1 T501 26 1 SWITCHING POWER TRANSFORMER BCK2801 624 1 T501 27 DIODE HER105 3 D506 D508 D511 28 DIODE HER306 1 D510 29 SCHOTTKY DIODE SR360 1 D509 30 DIODE HER107 1 D505 31 DIODE 1N4007 4 D...

Page 62: ...D RESISTOR 1 16W 18K 5 1 R615 13 CARBON FILM RESISTOR 1 6W27K 5 1 R629 14 SMD RESISTOR 1 16W 30K 5 3 R613 R609 R610 15 SMD CAPACITOR 50V 101 5 NPO 0603 4 C607 C620 C605 C606 16 SMD CAPACITOR 50V 561 10 0603 2 C610 C612 17 SMD CAPACITOR 50V 103 10 0603 4 C603 C604 C616 C619 18 SMD CAPACITOR 50V104 20 0603 7 C601 C602 C609 C622 C623 C613 C614 19 SMD CAPACITOR 50V 392 10 0603 2 C608 C615 20 CD CD11 1...

Page 63: ...TC701 TC703 TC706 TC709 9 CD GS 10V1000U 20 8 14 3 5 1 TC702 9 1 CD CD11 10V1000U 20 8 14 3 5 1 TC702 9 2 CD GS 10V1000U 20 8 16 3 5 1 9 3 CD CD11 10V1000U 20 8 16 3 5 1 TC702 10 MAGNETIC BEADS INDUCTOR RH354708 12 L701 L712 11 ELECTRO OPTIC TRANSFORMER TX179ATW 1 JK705 11 1 ELECTRO OPTIC TRANSFORMER TX179AT 1 JK705 12 TERMINAL SOCKET AV4 8 4 6G 5 1 JK702 13 TERMINAL SOCKET AV1 8 4 5G 2 BLACK 1 JK...

Page 64: ... FLAT CABLE 2P100 2 0 1 SOCKET RED BLACK 28 CORD 1 XSA01 3 PCB A963 1 1 8 SUBSIDIARY BOARD 2 NO MATERIAL SPECIFICATIONS PART NUMBER QUANTITY LOCATION 1 SMD CAPACITOR 50V 104 80 20 0603 1 C901 4 SMD DIODE 1N4148 2 D901 D902 5 LIGHT TOUCH RESTORE SWITCH VERTICAL 6 7 1 1 K906 6 SMD LIGHT TOUCH SWITCH TD BXAX A00 160 GRAM POWER 5 K901 K905 7 SOFT FLAT CABLE 9P70 2 0 2 SOCKET WITH L NEEDLE THE SAME DIR...

Page 65: ...ENGLISH STC 9630 Service manual ...

Page 66: ...oltage components inside this unit Please pay attention to all warnings and instructions marked on this unit to avoid electric shock Specifications of the replaced components must be the same as that of the original components Do not change the components specifications to prevent risks Contents 1 STC 9630 FEATURES 2 CIRCUIT CONNECTION DIAGRAM BLOCK DIAGRAM 3 DETAILED CIRCUIT EXPLANATIONS 10 THE E...

Page 67: ... form BTL Status display employs a LED digital tube displayed range 0 16 Full function remote control Square power transformer bridge and full wave rectifying circuit Satellite speakers employ plastic body Subwoofer speaker s body employs xyloid MDF construction with PVC cover Satellite speakers employ 3 inch wide frequency band high performance unit Subwoofer incorporates 6 5 inch aluminum audio ...

Page 68: ...MOTE CONTROL RECEPTION DISPLAY POWER SUPPLY FRONT PANEL S CONTROL BOARD STC 9630 SERVICE MANUAL OUTPUT BOARD 14V 0 14V Vs RM b1 c1 b2 a2 XP3 XS3 XS2 Vs RM b1 c1 b2 a2 1 1 1 2 2 2 3 3 3 4 4 5 5 Transformer c2 c2 6 6 d2 e2 f2 GND g2 XS4 XP4 d2 e2 f2 GND g2 7 7 8 8 9 9 10 10 11 11 SL R L SL R L GND GND C SR GND GND C SR 1 1 1 1 2 2 2 2 3 3 3 4 4 3 GND L R GND L R SW SR SL C SW SR SL C 1 1 1 1 2 2 2 2...

Page 69: ...stor 1 6W47 5 SHAPED 7 5 16 R403 Carbon filmResistor 1 4W180 5 SHAPED 10 17 R461 Carbon filmResistor 1W220 5 18 C459 Porcelain Capacitor 50V 33P 10 NPO 2 5mm 19 C462 C428 C430 C460 C461 Porcelain Capacitor 50V 151 10 2 5mm 20 C417 C418 Porcelain Capacitor 50V 20P 10 NPO 2 5mm 21 C405 C406 C409 C410 C413 C416 C456 C458 Porcelain Capacitor 50V 104 10 5mm 22 C424 C436 Terylene Capacitor 100V 103 10 3...

Page 70: ...8 W11 W14 W17 W18 W20 W23 W28 W27 W19 W24 Connection Cords 0 6 SHAPED 7 5mm 52 W9 W10 W13 W21 W22 W25 W26 Connection Cords 0 6 SHAPED 10mm 53 W2 W12 W15 Connection Cords 0 6 SHAPED 12 5mm 54 W16 Connection Cords 0 6 SHAPED 15mm 55 XP7 Raft Cords 4P300 3 96 1 PLU G 56 XP6 Raft Cords 2P90 2 5 1 PLU GWITHNE EDLES BLACK22 CORDS 57 FL401 FL402 Fuse Tube T4AL 250V 58 FL401 FL402 Fuse Holder 0 DETAILED C...

Page 71: ... REF 15 GND 14 OUT4 13 OUT5 12 OUT6 11 N403 PT2258D REMOTE G401 4M 1 2 3 4 5 6 7 8 9 10 11 12 XS3 11PIN R406 1 5k R405 680 R407 1 5k R408 1 5k R409 1 5k R410 1 5k R411 1 5k R412 1 5k Vs C416 104 R404 10k R464 100k C457 10u 16V C449 224 C447 224 C448 224 C450 224 9V R459 22k R421 4 7k R419 4 7k R418 22k R423 22k R428 4 7k R427 22k R429 150k R417 150k R420 150k C420 2 2u 16V C419 2 2u 16V C421 2 2u ...

Page 72: ...tor 1W100 5 R SHAPED 15 x 8 5 C301 CD CD11 25V 330U 20 8 x 14 3 5 6 C302 CD CD11 25V 47U 20 5 x 11 2 7 VD301 VD303 VD304 VD305 Diode IN4148 8 VD302 Voltage Regulator Diode 6 8V1 2W 9 V301 Triode 9014C 10 V302 V303 Triode S8050D 11 Y301 Y303 Relay JH4237 012 2HDC12V 12 XP5 Raft Cords 7P 180 2 5 2 PLUGS WITHNEEDLES 13 XS4 Socket 7 PINS 2 5 mm 14 XS8 Socket 2 PINS 7 92mm 15 XS7 Socket 4 PINS 3 96mm 1...

Page 73: ...IPTION SPECIFICATIONS PART NUMBER 1 PCB 1BSY02 1 2 XC1 Terminal Socket AV6 8 4 3C 3 XP2 Raft Cords 7P130 2 5T2 6 SHIELDED WITHNEEDLES PIN7 GROUNDED MAIN PARTS LIST OF THE INPUT BOARD STC 9630 SERVICE MANUAL SCHEMATIC DIAGRAM OF THE INPUT BOARD C R SR L SW SL 1 2 3 4 5 6 7 XP2 7PIN Signal Source To Power AMP Board ...

Page 74: ...tor 50V 104 20 0805 2 DS901 LE D Digital Tube E20361 G 3 PCB 9BSY02 3 4 XP3 Raft Cords 12P300 2 5 1 PLUG 5 N901 InfraredReceptor HS0038B 6 Affix N901 Soft Sponge Pad 10 10 1 DOUBLEHARD SIDED MAIN PARTS LIST OF THE FRONT PANEL S CONTROL BOARD 8 STC 9630 SERVICE MANUAL SCHEMATIC DIAGRAM OF THE FRONT PANEL S CONTROL BOARD 1 3 2 N901 HS0038B REMOTE Vs 5V 5V 1 2 3 4 5 6 7 8 9 10 11 12 XP3 12PIN C901 10...

Page 75: ...IFICATIONS 1 Porcelain Capacitor CT7 400V 103 20 10mm POWER SWITCH 2 Power S witch PS8 11 2 3 Mains Cords 2P1 9m10A STC 999 MX 4 Fuse Tube T1 6AL250V FUS E TUBE HOLDER 5 Mica S pacer 24 22 0 1 N410 Mica S pacer 22 20 0 1 N410 6 Insulation Cannular 3 6 3 N407 N410 7 Pyrocondensation Cannular 25 POWER SWITCH 8 Mica S pacer 18 13 0 1 N407 N408 N409 MAIN PARTS LIST OF THE PO WER SWITCH AND PO WER IC O...

Page 76: ...f 1N5 1N6 CODE1 CODE2 DGND SDA SCL GND 10dB Step 10dB Step 1dB Step 1dB Step Ref Ref Control unit VOLUME CONTROL IC PT2258 Manufactured by CMOS technology 6 channel volume control IC I2 C control interface Features 6 channel design each channel 0 79 dB 1dB STEP Working voltage 5 8v Audio channel separability 100dB 2 I C control interface DIP package STC 9630 SERVICE MANUAL ...

Page 77: ...INT0 P3 2 INT1 P3 3 T0 P3 4 T1 P3 5 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VCC P1 7 P1 6 P1 5 P1 4 P1 3 P1 2 P1 1 AIN1 P1 0 AIN0 P3 7 PDIP SOIC Pin structure Features Voltage 2 6v Max 6 6v Max I O current 20mA I O numbers 15 RAM 128 bits FLASH EEPROM 2K Features Voltage 18V Max 28V Max peak current 3 5A Output Power Vs 14 4V Rl 4 ohm THD 10 f 1kHz 6 5w 4 Full protection function Ma...

Page 78: ...WER IC TDA2003 POWER IC LM1875 Mono audio power amplifier Mono power amplifier Features Max output current 4A Full protection function Output Power Vcc 25v V 25v EE Rl 8ohm THD 1 f 1kHz 25w Features Voltage 18v Max 28v Max output peak current 3 5A Output power Vs 14 4v RL 4ohm THD 10 f 1kHz 6w Full protection function THE EXPLANATION FOR KEY COMPONENTS STC 9630 SERVICE MANUAL Voltage 8V 30V ...

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