Sony RMT-V298A Page 37 Service Manual Download

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• Waveforms

IC101

REC/PB

5.2 Vp-p (25 Hz)

IC101

REC/PB

5.2 Vp-p (25 Hz)

IC101

REC/PB

5.2 Vp-p (25 Hz)

IC101

REC/PB

5.5 Vp-p (25 Hz)

IC101

REC/PB

4.8 Vp-p (301.2 Hz)

IC101

REC/PB

4.8 Vp-p (25 Hz)

IC101

REC/PB

4.7 Vp-p (757.6 Hz)

IC101

REC/PB

2.2 Vp-p (H)

IC101

REC/PB

2.2 Vp-p (H)

IC101

REC/PB

4.1 Vp-p (H)

IC101

REC/PB

5.1 Vp-p (H)

IC101

REC/PB

2.6Vp-p (32.768 kHz)

IC101

REC/PB

4.3 Vp-p (10 MHz)

4-15

Summary of Contents for RMT-V298A

Page 1: ...of ED15 ED25 ED33 ED39 ED55 ED66 ED85 ED88 ED89 ED95 EZ11 EZ22 EZ44 EZ66 and EZ77 contained in this service manual are indicated when these models are common to all their corresponding models as given below ED15PS ED15 Abbreviated model name All model names SLV ED25 ED33 ED39AF ED39 ED33ME ED33MJ ED33SG RMT V296 V296A V296B V298 V298A V298B V298C V298D SLV ED15 ED25 ED33 ED39 ED55 ED66 ED85 ED88 E...

Page 2: ...o S41 RF output signal ED15 ED25 ED35 ED39 ED55 ED66 ED85 ED88 ED89 ED95 EZ77NZ UHF channels 21 to 69 EZ11 EZ22 EZ44 EZ66 EZ77AS UHF channels 28 to 69 Aerial out 75 ohm asymmetrical aerial socket Inputs and outputs LINE 1 IN VIDEO IN phono jack 1 Input signal 1 Vp p 75 ohms unbalanced sync negative AUDIO IN MONO phono jack 1 ED15 ED25 ED33 ED39 ED55 ED66 EZ11 EZ22 EZ44 AUDIO IN phono jack 2 ED85 E...

Page 3: ... Y R W Y R W Y R W Y RCA FRONT LINE INPUT 3pin 3pin 3pin 3pin 3pin 3pin Y B B Y B B Y W R Y W R Y W R Y W R ADDITIONAL REAR INPUT a a a SAT IN ADDITIONAL REAR OUTPU a a a a a AUDIO OUT MODULATOR SYSTEM G K I G K I G K I G K I G K I G K I G K I G K I G K I G K I G K I M REMOTE COMMANDER RMT V298A V298A V298A V298A V298A V298B V298A V298B V298C V298B V298D SLV EZ11 EZ22 EZ44 EZ66 EZ77 FEATURE HEAD C...

Page 4: ...CRIPTION 5 1 System Control Video Block Interface MA 377 BOARD IC101 5 1 5 2 System Control Servo Peripheral Circuit Interface MA 377 BOARD IC101 5 1 5 3 System Control Mechanism Block Interface MA 377 BOARD IC101 5 2 5 4 System Control Audio Block Interface MA 377 BOARD IC101 5 3 5 5 Servo System Control OSD Microprocessor Pin Function MA 377 BOARD IC101 5 4 5 6 NICAM Processor Pin Function NK 11...

Page 5: ...h Press Block Ass y Page 14 Ground Shaft Ass y Page 13 Mechanism Deck Page 2 2 FL Complete Ass y Page 13 Drum Ass y Page 13 Rear Panel Page 2 1 Rubber Belt Page 15 Rubber Belt Page 15 Slider Page 26 Loading Gear T S Page 28 Retainer Plate Page 22 Rubber Belt Page 15 Capstan Motor Page 15 FL Slider Block Ass y Page 22 Pully Gear Ass y Page 29 Cam Motor Retainer Page 31 Cam Gear Page 23 Cam Motor Pa...

Page 6: ...1 1 SECTION 1 GENERAL SLV ED15 ED25 ED33 ED39 ED55 ED66 ED85 ED88 ED89 ED95 EZ11 EZ22 EZ44 EZ66 EZ77 This section is extracted from SLV ED95MN ED95TH instruction manual 3 058 425 12 ...

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Page 19: ...77 1 Two tapping screws 2 Two tapping screws 3 Upper case 2 Harness 7 Three claws ED85 ED88 ED89 ED95 EZ66 EZ77 3 Three claws 6 Claw 8 Claw 5 Claw 4 Claw EXCEPT ED15 ED25 ED33 ED39 EZ11 EZ22 9 Rear panel 1 Power cord CN101 4 PSM17 501 board 1 Connector CN600 2 Three screws B3 3 Claw 4 Flat cable FDS 6 CN103 1 Flat cable FMF 39 CN401 2 Flat cable FFJ 3 CN401 ED55 ED66 ED88 ED89 ED95 EZ66 EZ77 3 Fla...

Page 20: ...le FAC 7 ACE head qs Mechanism deck 8 Claw 6 Earth lug 1 Connector FE head 9 Screw BVTP3 12 0 Screw BVTP3 12 qa Screw BVTP3 12 5 Screw B3 7 Screw B3 2 Flexible board Note When mounting the mechanism deck first align mark on the rotary switch 3 MA 377 board 1 Connector CN600 2 Five screws B3 ...

Page 21: ... Drum assembly M901 DZH 89D R 1 772 360 11 ED15 ED25 ED33 ED39 EZ11 EZ22 Drum assembly M901 DZH 0A1A Z RP 8 848 048 51 ED85 ED88 ED89 ED95 EZ66 EZ77 Drum assembly M901 DZH 0A3A Z RP 8 839 050 51 ED55 ED66 EZ44 M903 Cam motor assembly X 3947 577 1 M902 Capstan motor 1 698 971 11 ACE head assembly A 6775 791 A Q002 Tape top sensor 8 729 043 84 FE head 1 500 144 11 Q001 Tape end sensor 8 729 043 84 D...

Page 22: ...I O SERVO SYSTEM CONTROL TUNER MODE CONTROL SE 103 ED39 ED89 SECAM NK 11 ED95 EZ77NZ NICAM GK 12 EZ77AS ZWEITON FJ 26 ED55 ED66 ED88 ED89 ED95 EZ66 EZ77 FRONT IN DS 92 MODE CONTROL POWER BLOCK PSM17 501 POWER SUPPLY KK 24 EASY TIMER SEARCH MF 321 POWER SWITCH ...

Page 23: ...C201 NORMAL AUDIO OUT LINE 3 IN AUDIO R LINE 3 IN AUDIO L LINE 2 IN AUDIO R LINE 2 IN AUDIO L AUDIO PROCESS IC360 LINE OUT 1 AUDIO R LINE OUT 1 AUDIO L MOD AUDIO IIC DATA IIC CLK AF SWP NORMAL AUDIO IN IC101 IIC CLK IIC DATA IIC CLK IIC DATA SEE PAGE 4 9 to 4 26 MA 377 BOARD AUDIO HEAD ED85 ED88 ED89 ED95 EZ66 EZ77 ED85 ED88 ED89 ED95 EZ66 EZ77 CTL HEAD M903 CAM MOTOR Q002 S SENS T SENS Q001 R L A...

Page 24: ...AGE 3 7 CLAMP ATT 10DB ATT 10DB 10 9 18 CLK DATA C IN Y IN V OUT CLK RR DATA RR SEE PAGE 3 5 SERVO SYSTEM CONTROL IC291 ARC X201 3 579693MHz X202 VIDEO INPUT SELECT IC201 INVERTER 1 2 Y C PROCESS CCD DELAY INVERTER Q171 SYSTEM CONTROL OSD IC101 1 2 SERVO SYSTEM CONTROL SEE PAGE 3 5 Q151 Q152 JS203 IC202 VIDEO INPUT SELECT SEE PAGE 4 9 13 23 MA 377 BOARD 1 5 FJ 26 BOARD 1 2 SEE PAGE 4 33 MODE CONTR...

Page 25: ...002 8 CTL HEAD CTL X CTL Y CN331 1 2 31 32 AUDIO DUB ED66 ED88 ED95 MN TH EZ77 29 34 36 37 7 6 C SYNC OSD MIX VIDEO RF RF SWP IIC CLK IIC DATA QVD MODE1 MODE2 MODE3 MODE4 T SENS S SENS END LED T REEL S REEL RESET POWER FAIL CTL CTL H AMP SW CTL AMP1 CTL AMP3 CTL AMP OUT S101 REC PROOF INS ED88 ED89 ED95 MN TH EZ77 VCLK IIC OSD MIX CSYNC QVD VDAT IIC RF ENV RF SWP PWM DC CONV APC PWM APC ERROR FUNC...

Page 26: ...A DECODER VOL R VOL L ED85 ED88 ED89 ED95 EZ66 EZ77 IC360 Hi Fi AUDIO PROCESS 4 5 EXCEPT ED85 ED88 ED89 ED95 EZ66 EZ77 TUNER L TUNER R TUNER SEE PAGE 3 9 TUNER M MOD AUDIO TU AU OUT ED85 ED88 ED89 ED95 EZ66 EZ77 TU AUDIO A MUTE DATA IIC SERVO SYSTEM CONTROL SEE PAGE 3 5 CLOCK IIC ED85 ED88 ED89 ED95 EZ66 EZ77 4 1 2 11 99 7 8 9 VCA R P IIC IC201 NORMAL AUDIO PROCESS Q376 SW12V 7 REC EQUALIZER CN332...

Page 27: ...SOR CN701 ED95 EZ77NZ 15 EZ77AS 29 1 25 XTAL1 30 2 IC001 SCLK 6 10 5 IFINT CN001 OUT L 11 2 ZWEITON PROCESSOR OUT R SDAT IC1 3 4 4 3 EXT R EXT L EXTIN_R EXTIN_L 39 40 4 TU701 JS706 JS703 JS711 ED95 MN TH EZ77 JS721 EXCEPT ED95MI 38 EXT M 4MHZ C716 C715 ED95 EZ77NZ IN SCL MOD V 11 3 19 SIF PLL ENA 10 AUDIO 12 6 15 2 5 20 SDA SW1 AFT TU702 18 VIDEO OUT OUT PLL DATA 22 MOD A PLL CLK JS705 JS704 JS702...

Page 28: ...51 FL DRIVER ACK MESEC VIDEO SEE PAGE 3 4 S IN S OUT S CLK FLD CS KEY 1 KEY 2 ETR1 ETR2 SEE PAGE 3 5 SERVO SYSTEM CONTROL REMOCON 1 IC501 4 2 4 2 CN401 SIRCS POWER SW CN501 REMOTE CONTROL RECEIVER SEARCH 2 3 SEARCH S511 SEARCH LED SEARCH ONE TOUCH TUNING RF CHANNEL R ED66 ED88 ED89 ED95 EZ77 COLOR SYSTEM ED85 ED88 ED89 ED95 EZ66 EZ77 42 SEARCH LED SYNCHRO REC AN6V SW5V CN602 CN601 19 13 15 17 05 P...

Page 29: ...R PC1 T1 PRT AC IN 1 3 LFT NF1 2 CN101 D6 D4 D5 D3 P CONT SERVO SYSTEM CONTROL SW 5V 3 3 5 4 1 7 1 1 2 4 IC651 4 13 PS071 1 2 TU702 CN600 18 5 1 6 2 PSM17 501 BOARD SEE PAGE 4 39 3 1 2 14 16 2 6 1 3 4 5 18 14 16 3 4 D7 F F Hi Fi 707 SEE PAGE 3 5 IC201 VIDEO INPUT SELECT Y C PROCESS CCD DELAY NORMAL AUDIO PROCESS ND451 3 1 OSD 05 13 NK 11 BOARD SEE PAGE 4 32 IC1 NICAM PROCESSOR IC001 ZWEITON PROCES...

Page 30: ... specified kΩ 1000Ω MW 1000kΩ All capacitors are in µF unless otherwise noted pF µµF 50V or less are not indicated except for electrolytics and tantalums All variable and adjustable resistors have characteristic curve B unless otherwise noted 2 nonflammable resistor 5 fusible resistor C panel designation f internal component C adjustment for repair U B Line V B Line Circled numbers refer to wavefo...

Page 31: ... 5 13V 6 13V 7 GND 8 GND 9 GND 10 GND 11 GND 12 GND 13 A D1 IN 14 F 15 A D1 OUT 16 F 17 A D2 OUT 18 13V 19 A D2 IN 7P CN331 7 X CTL X 6 Y CTL Y 5 CTL_GND 4 PB_A_HEAD 3 REC_A_HEAD BIAS_GND 2 A_ERASE_HEAD 1 1 A_ERASE_HEAD 2 AU_GND 3 REC_A_HEAD 4 PB_A_HEAD 5 CTL_GND 6 CTL Y 7 CTL X 6P CN204 1 LP CH2 2 LP COM 3 LP CH1 4 SP CH2 5 SP COM 6 SP CH1 1 SP CH1 2 SP COM 3 SP CH2 4 LP CH1 5 LP COM 6 LP CH2 11P...

Page 32: ...RING BOARDS AND SCHEMATIC DIAGRAMS MA 377 VIDEO AUDIO I O SERVO SYSTEM CONTROL TUNER MODE CONTROL PRINTED WIRING BOARD Ref No MA 377 board 1 000 series VIDEO AUDIO I O SERVO SYSTEM CONTROL TUNER MODE CONTROL MA 377 There are few cases that the part isn t mounted in this model is printed on this diagram ...

Page 33: ...CN401 J 13 CN411 J 1 CN600 G 1 CN701 H 13 CN901 C 11 D001 F 6 D071 C 1 D101 F 2 D102 F 2 D151 G 7 D401 J 8 D403 J 11 D651 F 1 D701 D 12 D901 A 12 IC031 I 2 IC101 H 6 IC141 I 8 IC142 I 7 IC201 C 9 IC202 D 6 IC291 E 9 IC360 A 8 IC451 I 6 IC651 E 11 IC652 D 1 IC653 F 1 Q001 F 1 Q002 F 10 Q003 F 6 Q151 G 7 Q152 G 7 Q153 F 4 Q171 H 10 Q172 G 9 Q174 H 10 Q175 G 10 Q191 H 7 Q192 H 7 Q201 C 10 Q202 C 10 Q...

Page 34: ...7 V50 V84 V81 V76 V52 HA21 VR62 MA 377 BOARD 7 7 SEE PAGE 4 25 MA 377 BOARD 2 7 SEE PAGE 4 13 MA 377 BOARD 2 7 SEE PAGE 4 13 SEE PAGE 4 19 MA 377 BOARD 4 7 SEE PAGE 4 13 MA 377 BOARD 2 7 SEE PAGE 4 21 MA 377 BOARD 5 7 SEE PAGE 4 23 MA 377 BOARD 6 7 SEE PAGE 4 19 MA 377 BOARD 4 7 SEE PAGE 4 19 MA 377 BOARD 4 7 MA 377 BOARD 1 7 SEE PAGE 4 28 SE 103 BOARD JIG LP CH2 SP CH2 SP CH1 LP CH1 AUDIO CH1 AUD...

Page 35: ... MHz NTSC 7 IC201 y REC PB 320 mVp p H 8 IC201 tk REC PB REC 512 mVp p H PB 584 mVp p H 9 IC201 t REC PB 4 6 Vp p H q IC201 e REC PB 1 1 Vp p H qa IC201 wh REC PB REC 512 mVp p H PB 584 mVp p H qs IC201 qk ql wd REC PB REC 472 mVp p H PB 504 mVp p H qd IC201 wa REC PB 392 mVp p H qf IC291 w PB 152 mVp p H qg IC291 4 qk REC 2 1 Vp p H qh IC291 qk PB 1 9 Vp p H qj IC291 4 PB 2 2 Vp p H 4 11 4 12 ...

Page 36: ...k R129 0 1u C113 1k R130 JL100 47k R191 UN2211 TX Q192 JS171 5P CN104 1 GND 2 DATA 3 CLK 4 RESET 5 WRITE CONT 10k R131 JL131 JL134 JL135 10k R123 JL132 JL133 0 R166 0 R167 220 R178 VCLK APC PAL QVD JS102 VOUT CSYNC INS VDAT RFSWP RFENV SW5V FUNC_KEY2 1u C173 D_IN CLK CS D_OUT REMOCON ETR2 ETR1 CAM DRUM_VS DRUM_FG DRUM_PG CAP_RVS CAP_FG CAP_QR CAP_VS CAP_TRG_PWM MODE_4 MODE_3 MODE_2 MODE_1 T_REEL S...

Page 37: ... REC PB 5 5 Vp p 25 Hz 5 IC101 ek REC PB 4 8 Vp p 301 2 Hz 6 IC101 el REC PB 4 8 Vp p 25 Hz 7 IC101 r REC PB 4 7 Vp p 757 6 Hz 8 IC101 rd REC PB 2 2 Vp p H 9 IC101 rg REC PB 2 2 Vp p H q IC101 tf REC PB 4 1 Vp p H qa IC101 yh REC PB 5 1 Vp p H qs IC101 yl REC PB 2 6Vp p 32 768 kHz qd IC101 ud REC PB 4 3 Vp p 10 MHz 4 15 ...

Page 38: ...AP_TRG_PWM MODE_4 MODE_3 MODE_2 MODE_1 T_REEL S_REEL S_SENS T_SENS END_LED DRUM_QR REC_PRF UN5V_BCAP DGND UN5V P CONT AN6V GND SW12V 30V A D1_IN F A D1_OUT F A D2_OUT 13V A D2_IN 1 A M M M M UN5V M39 M38 M26 M40 M93 M66 M12 M94 M25 M83 M11 M89 CN7 FL30 CN6 FL1 CN4 FL29 CN5 CN5 FL29 CN4 FL1 CN6 FL30 CN7 M12 M11 M89 M88 M84 M85 M86 M87 M66 M25 M94 M40 M93 M39 M38 M26 M83 M88 M55 M58 M74 M58 M55 M87 ...

Page 39: ... TL2 Q Q381 50V 10u C336 JS303 JS304 2 2u C303 0 JS372 0 JS373 JS361 JS204 JS914 GND DGND AN_GND AU_GND LINE_IN2_L LINE_IN2_R LINE_IN3_L SAT LINE_IN3_R SAT LINE_IN1_L LINE_IN1_R UN5V LINE_OUT_R LINE_OUT_L SW_12V SW_5V LINE_OUT_L NORMAL_AU SCK SDA CTL_ AFSWP CTL_ AFENV LINE_IN2_L AU_GND LINE_IN3L SAT SW_5V NAPB PB_A_HEAD REC_A_HEAD FULERA RECP MOD_AUDIO AUDIO_CH2 AUDIO_CH1 AFENV AUDIO_COM NORMAL_AU...

Page 40: ...T 23 SW 24 VIDEO OUT JL736 10uH L703 0 JS710 JL739 JL731 JL740 SW2 0 JS703 JL751 ENABLE CL702 JL743 JL735 0 01u C702 JL710 0 R707 0 JS727 0 JS728 UN2213 TX Q706 2SB1122 ST TD Q707 47k R720 10k R719 0 001u C709 0 001u C710 0 001u C711 16V 100u C706 0 01u C705 10uH L702 1k R721 0 JS731 JS729 ET201 VIDEO_OUT AUDIO_OUT GND SDA SCK MOD_AUDIO TUNER_M TUNER_L TUNER_R LINE_OUT_L NORMAL_AU SW12V 30V AN6V S...

Page 41: ...H10 H6 H11 H7 VS3 VS3 MA 377 BOARD 6 7 IC651 SW 5V REG MA 377 BOARD 5 7 SEE PAGE 4 22 SEE PAGE 4 10 MA 377 BOARD 1 7 SEE PAGE 4 20 MA 377 BOARD 4 7 SEE PAGE 4 33 CN531 MA 377 BOARD 2 7 SEE PAGE 4 13 MA 377 BOARD 2 7 SEE PAGE 4 13 MA 377 BOARD 3 7 SEE PAGE 4 17 L R AUDIO VIDEO LINE 1 IN R L AUDIO VIDEO VIDEO L AUDIO R AUDIO L VIDEO R VIDEO 05 B E F H J C G D I 9 5 13 11 14 3 7 2 12 8 10 6 4 3 7 3 3...

Page 42: ...TR_1 JL401 JL403 5P CN401 1 D GND 2 SIRCS 3 UN5V 4 POWER SW 5 D GND JL402 FUNC_KEY2 D_OUT D_IN CLK CS ACK MESEC SDT FUNC_KEY1 F31 F30 F29 F28 F26 F25 F24 F23 F22 F21 F20 F19 F18 F17 F16 F15 F31 F30 F29 F28 F26 F25 F24 F23 F15 F16 F17 F18 F19 F20 F21 F22 FL90 FL95 FL97 FL96 FV4 FV2 FV1 F32 F33 F34 F35 F36 F37 F37 F36 F35 F34 F33 F32 FL1 FL30 CN4 F39 F41 F42 CN6 F41 F39 F42 CN7 FL30 CN6 FL1 CN4 FL29...

Page 43: ...RST1 Q954 IC951 LA7337 1 MODE 2 CLK IN 3 AFC FILTER 4 BGP TIMING 5 4 3MHz OFFSET 6 1 1MHz OFFSET 7 GND 8 1 1MHz BELL 9 VREF1 10 IREF1 11 REC OUT 12 REG 13 PB IN 14 AGC FILTER 15 REC IN 16 PB H 17 PB OUT 18 LIM EXC 19 IREF4 20 VREF4 21 4 3MHz BELL 22 VCC 23 S H C1 24 S H C2 25 DET C 26 SECAM DET OUT 27 SYNC IN 28 SYNC GATE TIMING L952 27uH R973 8200 C964 0 001u C973 0 01u L951 6 8uH R956 2700 R961 ...

Page 44: ...el is printed on this diagram Waveform 1 IC001 qg REC PB 148 mVp p 4 MHz 05 1 673 269 11 GK 12 BOARD SIDE A 11 05 1 673 269 11 GK 12 BOARD SIDE B 11 MA 377 BOARD 5 7 CN701 SEE PAGE 4 21 MA 377 VIDEO AUDIO I O SERVO SYSTEM CONTROL TUNER MODE CONTROL SE 103 ED39 ED89 SECAM NK 11 ED95 EZ77NZ NICAM GK 12 EZ77AS ZWEITON FJ 26 ED55 ED66 ED88 ED89 ED95 EZ66 EZ77 FRONT IN DS 92 MODE CONTROL POWER BLOCK PS...

Page 45: ...11 board 3 000 series SLV ED95 EZ77NZ NICAM NK 11 There are few cases that the part isn t mounted in this model is printed on this diagram Waveform 1 IC1 qh REC PB NK 11 BOARD SIDE A 1 669 815 12 12 05 NK 11 BOARD SIDE B 1 669 815 12 12 05 740 mVp p 24 576 MHz Note The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified ...

Page 46: ...rt isn t mounted in this model is printed on this diagram GP1U28X IC501 1 OUT 2 VCC 3 GND S501 5P CN501 1 D GND 2 POWER SW 3 UN5V 4 SIRCS 5 D GND JL501 JL502 JL503 JL504 JL505 0 1u C501 1 A 05 C MF 321 BOARD 4 2 B 5 3 MA 377 BOARD 7 7 CN401 SEE PAGE 4 26 IC501 REMOTE CONTROL RECEIVER B NO MARK REC PB MODE 5 5 JL533 JS532 0 JL531 JS531 0 7P CN531 1 LINE 2 AUDIO R 2 AU GND 3 AU GND 4 LINE 2 AUDIO L ...

Page 47: ...522 1500 R525 JL525 2200 R521 1500 R522 2200 R524 JL524 1500 R523 S525 JL522 S523 JL523 S524 JL521 5P CN521 1 GND 2 A D2 OUT 3 A D2 IN 4 A D1 OUT 5 A D1 IN 1 A PSM17 501 BOARD CN103 SEE PAGE 4 40 05 C D DS 92 BOARD 4 2 B 5 3 PAUSE REW REC FF EJECT PLAY STOP S511 S512 SLR 342DCT31 D511 R511 JL511 JL512 JL513 JL514 JL515 JL516 JL517 7P CN511 1 AN6V 2 SEARCH LED 3 SEARCH 4 ETR SW 5 ETR 1 6 ETR 2 7 D ...

Page 48: ... ED95 EZ66 EZ77 FRONT IN DS 92 MODE CONTROL POWER BLOCK PSM17 501 POWER SUPPLY KK 24 EASY TIMER SEARCH MF 321 POWER SWITCH CN101 C1 R1 Z1 NF1 C2 NF2 BD1 C4 C3 C5 R2 C7 IC1 J1 C8 C9 R3 ZD1 D1 D2 T1 1 PC1 C6 12 R8 C26 SHR1 R11 C27 R10 R9 R7 R5 ZD4 5 1 2 4 J2 D6 C10 D4 D5 C28 D3 L1 C11 C16 C15 C20 C17 C12 P2 P1 L2 L3 C13 R6 ZD3 C18 C19 C25 L6 L5 L4 D7 C23 C21 C22 R12 R14 J4 J3 CN102 CN103 18 19 2 1 J...

Page 49: ...1µF 50V SHR1 A431LP SHR1 SHUNT REG R9 1k 1 8W R10 2 49k 1 8W C20 120µF 25V C21 47µF 25V C18 330µF 10V C19 0 01µF 50V C16 0 01µF 50V R12 100k 1 4W C17 470µF 16V D5 SB360 D4 S3L20UF34 C12 330µF 25V C11 100µF 50V C13 220µF 25V ZD3 1N4744A D3 1N4936 L2 10 8µH L3 10 8µH 1 38V 2 38V 3 6V 4 6V 5 13V 6 13V 7 GND 8 GND 9 GND 10 GND 11 GND 12 GND 13 A D1 IN 14 F 19 A D2 IN 5 GND 15 A D1 OUT 16 F 17 A D2 OUT...

Page 50: ...EC Signal Pin No I O FF THREAD UNTHREAD PB PAUSE SLOW 2 CUE REVIEW REC PAUSE REW ING ING RF SWP MA 377 O 1 1 1 1 1 1 1 1 1 1 1 IC101wf QVD MA 377 O L L L 2 3 3 3 3 3 L L IC101wj C SYNC MA 377 I 4 4 4 4 4 4 4 4 4 4 4 IC101tf 5 1 SYSTEM CONTROL VIDEO BLOCK INTERFACE MA 377 BOARD IC101 1 25 Hz pulse with 50 duty cycle Synchronized with rotation of drum 2 Normal PB L V period H pulse when 1 3 V period...

Page 51: ... 3 3 3 3 H L IC101ik S REEL MA 377 I H L H L H L 3 3 H L 3 3 3 H L 3 3 3 3 3 H L IC101il END LED MA 377 O 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 IC101uf O D CAP RVS MA 377 I L H L H L H L H H H H H L H H IC101od T SENS MA 377 I 4 4 4 6 6 6 6 6 6 6 6 6 6 6 6 6 IC101qs S SENS MA 377 I 4 4 4 6 6 6 6 6 6 6 6 6 6 6 6 6 IC101qa 5 3 SYSTEM CONTROL MECHANISM BLOCK INTERFACE MA 377 BOARD IC101 1 Uncertainty 2 L w...

Page 52: ...F RF envelope signal input terminal for automatic tracking IC101qf A MUTE MA 377 O Hi Z Hi Z Hi Z Hi Z H H H H H L L IC101ul O D AF SWP MA 377 O 1 1 1 1 1 1 1 1 1 1 1 IC101wd FULL ERASE MA 377 O H H H H H H H H H L H IC101oa O D REC P MA 377 O L L L L L L L L L H L IC101os NAPB MA 377 O L L L L L L L L L H L IC101wa 1 25 Hz PAL 30 Hz NTSC 50 duty pulse approx 5 msec delayed from RF SW P ...

Page 53: ...OSC dot clock oscillator signal output 52 4FSC OUT O OSC 4fsc oscillator terminal signal output 53 4FSC IN I OSC 4fsc oscillator terminal signal input 54 CSYNC I Composite sync signal input 55 REC PRF I Erasing protection tab cassette in detection signal input 56 IIC DATA O EEP ROM Hi Fi IC RR IC tuner serial communication data signal output 57 IIC CLOCK O EEP ROM Hi Fi IC RR IC tuner serial commu...

Page 54: ...gital ground demodulator circuitry 37 N C Not used 38 N C Not used 39 EXTI R I External audio input right channel 40 EXTI L I External audio input left channel 41 V REF2 I Analog reference voltage digital to analog converter and operational amplifiers 42 N C Not used 43 VDD A3 Analog power supply 5V operational amplifiers 44 VSS A3 Analog ground operational amplifiers 5 7 ZWEITON PROCESSOR PIN FUN...

Page 55: ...5 digits A B Code Description 0 NO ERROR 1 CAM ENCODER ERROR LOAD DIRECTION 2 CAM ENCODER ERROR UNLOAD DIRECTION 3 T REEL ERROR 4 S REEL ERROR 5 CAPSTAN ERROR 6 DRUM ERROR 7 INITIALIZE ERROR 8 CASSETTE UNLOADING ERROR 9 RESERVED Code Description 0 EJECT POWER ON 1 EJECT POWER OFF 2 UNLOAD STOP 3 STOP POWER ON 4 POWER OFF CASSETTE IN 5 F FWD 6 REW 7 LOW SPEED F FWD 8 LOW SPEED REW 9 STANDBY 10 REC ...

Page 56: ...suring in struments as shown in the following diagram During the adjustment see the Parts Arrangement Diagram for Adjustments on Page 7 6 Fig 7 2 2 2 1 4 Alignment Tapes Alignment Tape KRV 51N2 KRV 51P 2 1 3 Set up of Adjustment In this adjustment PAL or NTSC pattern generator is connected with LINE input signal terminal When checking with tuner con nected AERIAL terminal Check that the amplitudes...

Page 57: ...adjustment mode 2 Check appear A P on FL display 3 Using the channel and buttons adjust to 6 5 0 5 H 4 Press the pause button Fig 7 2 3 Mode E E Measuring Instrument Digital voltmeter F F check Measurement Point Pin qf F Pin qh F of CN102 Specified Value 2 5 0 4 V 13 V check Measurement Point Pin qk of CN102 Specified Value 11 75 1 25 V 6 V check Measurement Point Pin 3 4 of CN102 Specified Value ...

Page 58: ... 3 Check appear A H on FL display 4 Using the channels and buttons minimize a chipped por tion At this time confirm that a noisy sound is not heard 5 Press the pause button Fig 7 2 5 2 Frequency Response Check Purpose Confirm that the frequency characteristic is within the specifica tion Mode REC and PB SP LP mode Signal 400 Hz 17 5 dBs 20 Hz 17 5 dBs 20 kHz 17 5 dBs Measurement point Audio output...

Page 59: ...l Characteristic and Distortion Factor Check 5 Overall S N Check 1 ACE Head Adjustment Refer to the SERVICE MANUAL of VHS MECHANICAL AD JUSTMENT VI 2 E E Output Level Check SLV ED15 ED25 ED33 ED39 ED55 ED66 ED85 ED88 ED89 EZ11 EZ22 EZ44 EZ66 EZ77 Purpose Confirm that the output level against the reference input is within the specification Mode E E Signal L R 400 Hz 7 5 dBs Measurement point Audio ...

Page 60: ...mode Signal Short Measurement point Audio output terminal Measurement equipment Audio noise meter Specified value 46 0 dBs or less Confirmation Method 1 Connect both L and R channels of audio line input to the GND 2 Start recording 3 Play the recorded part to confirm that the noise is below 46 0 dBs 2 6 PARTS ARRANGEMENT DIAGRAM FOR ADJUSTMENTS MA 377 BOARD Side A PSM17 501 BOARD Side B GK 12 BOAR...

Page 61: ...ED39 ED66 ED89 EZ11 EZ22 EZ44 4 3 057 164 11 INSULATOR ED25 ED55 ED85 ED88 ED95 EZ66 EZ77 5 3 943 995 01 EMBLEM NO 5 SONY ED15 ED33 ED39 ED66 ED89 EZ11 EZ22 EZ44 5 3 943 995 31 EMBLEM NO 5 SONY ED25 ED55 ED85 ED88 ED95 EZ66 EZ77 6 3 953 432 01 SPRING GE FL 7 1 792 428 11 CABLE FLAT FDS 6 8 A 6713 652 A DS 92 BOARD COMPLETE ED33MJ ED66MJ ED88MJ 8 A 6713 661 A DS 92 BOARD COMPLETE EXCEPT ED33MJ ED66...

Page 62: ... 792 429 11 CABLE FLAT FMD 15 ED15 ED25 ED33 ED39 EZ11 EZ22 54 1 792 431 11 CABLE FLAT FMD 16 ED55 ED66 ED85 ED88 ED89 ED95 EZ44 EZ66 EZ77 55 A 6791 591 A NK 11 BOARD COMPLETE ED95 EZ77NZ 55 A 6791 880 A GK 12 BOARD COMPLETE EZ77AS 56 A 6713 669 A SE 103 BOARD COMPLETE ED39 ED89 057 1 777 850 51 CORD POWER EXCEPT EZ11 EZ22 EZ44 EZ66 EZ77 057 1 777 855 42 CORD POWER EZ11 EZ22 EZ44 EZ66 EZ77 58 X 39...

Page 63: ...ASSY SD EXCEPT ED66SG ED85TH ED88MJ ED89 ED95 MI MN EZ22 EZ77AS 759 X 3947 589 1 BAND ASSY TG1 ED66SG ED85TH ED88MJ ED89 ED95 MI MN EZ22 EZ77AS 759 X 3950 373 1 BAND ASSY TG1 SD EXCEPT ED66SG ED85TH ED88MJ ED89 ED95 MI MN EZ22 EZ77AS 760 3 977 488 01 SPRING POWER TENSION 761 A 6750 324 A SHUTTLE S BLOCK ASSY 762 X 3944 378 1 ROLLER ASSY GUIDE 763 3 965 178 01 SPRING 764 3 969 632 04 BASE DRUM 765 ...

Page 64: ...3 977 516 01 HOLDER FL SLIDER 812 3 977 877 01 PLATE RETAINER 813 3 977 504 01 GEAR CLUTCH 814 X 3947 585 1 GEAR ASSY PULLEY 815 3 977 510 01 BELT RUBBER 816 3 056 824 01 WASHER STOPPER 817 3 977 439 01 GEAR CAM 818 3 977 442 01 SLIDER 819 3 977 455 01 GEAR LOADING T 820 3 977 456 03 SPRING TORSION LOAD T 821 X 3947 579 1 LEVER ASSY LOADING T 822 3 977 451 01 GEAR LOADING S 823 3 977 452 01 SPRING...

Page 65: ...96 21 SWITCH TACT EJECT A S527 1 762 196 21 SWITCH TACT REC z PPPPPPPPPPPPPPPPPPPPPPPPPPPPPP A 6713 655 A FJ 26 BOARD COMPLETE ED88MJ A 6713 663 A FJ 26 BOARD COMPLETE ED88 ME SG ED89 ED95 A 6713 667 A FJ 26 BOARD COMPLETE EZ66 EZ77 A 6713 671 A FJ 26 BOARD COMPLETE ED55 ED66 ME SG A 6713 677 A FJ 26 BOARD COMPLETE ED66MJ Ref No 1 000 Series CONNECTOR CN531 1 784 449 11 CONNECTOR FFC FPC 7P JACK C...

Page 66: ...0 A MA 377 BOARD COMPLETE EZ66 A 6713 651 A MA 377 BOARD COMPLETE EZ77NZ A 6713 656 A MA 377 BOARD COMPLETE ED88MJ A 6713 658 A MA 377 BOARD COMPLETE ED95 MN TH A 6713 664 A MA 377 BOARD COMPLETE ED95MI A 6713 665 A MA 377 BOARD COMPLETE ED85 A 6713 666 A MA 377 BOARD COMPLETE EZ77AS A 6713 668 A MA 377 BOARD COMPLETE ED89 A 6713 670 A MA 377 BOARD COMPLETE ED55 A 6713 672 A MA 377 BOARD COMPLETE ...

Page 67: ...HIP 1uF 10 00 10V EXCEPT EZ11 EZ22 EZ44 EZ66 EZ77 C191 1 163 133 00 CERAMIC CHIP 470PF 5 50V ED66 ED88 ED95 MN TH EZ77 C192 1 163 243 11 CERAMIC CHIP 47PF 5 00 50V C193 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C194 1 126 157 11 ELECT 10uF 20 16V C195 1 124 234 00 ELECT 22uF 20 16V C196 1 163 253 11 CERAMIC CHIP 120PF 5 00 50V C197 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V ED66 ED88 ED95 MN TH EZ77...

Page 68: ...7 1 163 017 00 CERAMIC CHIP 0 0047uF 5 50V ED55 ED66 ED85 ED88 ED89 ED95 EZ44 EZ66 EZ77 C258 1 109 982 11 CERAMIC CHIP 1uF 10 00 10V C259 1 164 505 11 CERAMIC CHIP 2 2uF 16V ED88 ED89 ED95 MN TH EZ77 C260 1 163 021 91 CERAMIC CHIP 0 01uF 10 00 50V ED88MJ C260 1 164 232 11 CERAMIC CHIP 0 01uF 50V ED88 ME SG ED89 ED95 MN TH EZ77 C261 1 163 021 91 CERAMIC CHIP 0 01uF 10 00 50V ED88MJ C261 1 164 232 1...

Page 69: ...5 MN TH EZ77 C384 1 163 011 11 CERAMIC CHIP 0 0015uF 10 50V ED66 ED88 ED95 MN TH EZ77 C451 1 124 589 11 ELECT 47uF 20 16V C452 1 163 038 00 CERAMIC CHIP 0 1uF 25V C453 1 126 157 11 ELECT 10uF 20 16V C454 1 163 038 00 CERAMIC CHIP 0 1uF 25V C651 1 163 021 91 CERAMIC CHIP 0 01uF 10 00 50V ED33MJ ED66MJ ED88MJ C651 1 164 232 11 CERAMIC CHIP 0 01uF 50V EXCEPT ED33MJ ED66MJ ED88MJ C652 1 126 933 11 ELE...

Page 70: ...MA723 TA D102 8 719 421 09 DIODE MA723 TA D151 8 719 911 19 DIODE 1SS119 25TD D401 8 719 045 62 DIODE SLR 342VCT31 SYNCHRO REC ED85 ED88 ED89 ED95 EZ66 EZ77 D403 8 719 056 06 DIODE SLR 342DCT31 R2 ED66 ED88 ED89 ED95 EZ77 D651 8 719 911 19 DIODE 1SS119 25TD D701 8 719 119 22 DIODE RD33F T7B1 D901 8 719 109 93 DIODE RD6 2ES T1B TERMINAL ET201 1 537 770 21 TERMINAL BOARD GROUND ED85 ED88 ED89 ED95 E...

Page 71: ...0 5 1 10W ED95MI JS706 1 216 295 00 METAL CHIP 0 5 1 10W EXCEPT ED95MI JS709 1 216 295 00 METAL CHIP 0 5 1 10W ED95MI JS710 1 216 295 00 METAL CHIP 0 5 1 10W JS712 1 216 295 00 METAL CHIP 0 5 1 10W JS718 1 216 295 00 METAL CHIP 0 5 1 10W ED85 ED88 ED89 EZ66 JS719 1 216 295 00 METAL CHIP 0 5 1 10W ED85 ED88 ED89 EZ66 JS720 1 216 295 00 METAL CHIP 0 5 1 10W JS721 1 216 295 00 METAL CHIP 0 5 1 10W ED...

Page 72: ... 8 729 230 49 TRANSISTOR 2SC2712Y TE85L ED85 ED88 ED89 ED95 EZ66 EZ77 Q372 8 729 422 27 TRANSISTOR 2SD601A QRS TX Q373 8 729 422 27 TRANSISTOR 2SD601A QRS TX Q374 8 729 901 06 TRANSISTOR MUN2113T1 Q375 8 729 012 31 TRANSISTOR 2SC4040 TL2 Q Q376 8 729 900 51 TRANSISTOR UN2115 QRS TX Q380 8 729 900 51 TRANSISTOR UN2115 QRS TX ED66 ED88 ED95 MN TH EZ77 Q381 8 729 012 31 TRANSISTOR 2SC4040 TL2 Q ED66 ...

Page 73: ... 100 5 1 4W R174 1 216 045 00 METAL CHIP 680 5 1 10W R175 1 216 041 00 METAL CHIP 470 5 1 10W R176 1 249 429 11 CARBON 10K 5 1 4W EXCEPT EZ11 EZ22 EZ44 EZ66 EZ77 R177 1 216 065 00 METAL CHIP 4 7K 5 1 10W R178 1 216 033 00 METAL CHIP 220 5 1 10W EXCEPT EZ11 EZ22 EZ44 EZ66 EZ77 R191 1 249 437 11 CARBON 47K 5 1 4W ED66 ED88 ED95 MN TH EZ77 R192 1 216 103 00 METAL CHIP 180K 5 1 10W R193 1 216 121 91 R...

Page 74: ...W ED55 ED66 R368 1 216 065 00 METAL CHIP 4 7K 5 1 10W R370 1 216 089 00 METAL CHIP 47K 5 1 10W R371 1 216 037 00 METAL CHIP 330 5 1 10W R372 1 216 037 00 METAL CHIP 330 5 1 10W R375 1 216 073 00 METAL CHIP 10K 5 1 10W R376 1 216 073 00 METAL CHIP 10K 5 1 10W R378 1 216 073 00 METAL CHIP 10K 5 1 10W EXCEPT ED66 ED88 ED95 MN TH EZ77 R378 1 216 075 00 METAL CHIP 12K 5 1 10W ED66 ED88 ED95 MN TH EZ77 ...

Page 75: ...ILE SYNCHRO REC ED85 ED88 ED89 ED95 EZ66 EZ77 S403 1 771 574 21 SWITCH TACTILE SP LP S404 1 771 574 21 SWITCH TACTILE PROGRAM TRACKING S405 1 771 574 21 SWITCH TACTILE ONE TOUCH TUNING RF CANNEL S406 1 771 574 21 SWITCH TACTILE PROGRAM TRACKING S409 1 771 574 21 SWITCH TACTILE R2 ED66 ED88 ED89 ED95 EZ77 TRANSFORMER T371 1 423 413 11 TRANSFORMER BIAS OSCILLATION ED66 ED88 ED95 MN TH EZ77 T371 1 42...

Page 76: ...ETAL CHIP 3 3 5 1 10W R012 1 216 304 11 METAL CHIP 3 3 5 1 10W R013 1 216 001 00 METAL CHIP 10 5 1 10W R014 1 216 295 00 METAL CHIP 0 5 1 10W R015 1 216 295 00 METAL CHIP 0 5 1 10W R016 1 216 033 00 METAL CHIP 220 5 1 10W VIBRATOR X001 1 767 897 12 VIBRATOR CRYSTAL 24 576MHz PPPPPPPPPPPPPPPPPPPPPPPPPPPPPP 1 468 495 11 POWER BLOCK PSM17 501 Ref No 4 000 Series 3 055 090 21 CASE MAIN POWER SHIELD ED...

Page 77: ...EOUS 7 1 792 428 11 CABLE FLAT FDS 6 14 1 792 427 11 CABLE FLAT FMF 39 19 1 792 426 11 CABLE FLAT FKK 3 20 1 792 430 11 CABLE FLAT FFJ 3 ED55 ED66 ED88 ED89 ED95 EZ66 EZ77 54 1 792 429 11 CABLE FLAT FMD 15 ED15 ED25 ED33 ED39 EZ11 EZ22 54 1 792 431 11 CABLE FLAT FMD 16 ED55 ED66 ED85 ED88 ED89 ED95 EZ44 EZ66 EZ77 057 1 777 850 51 CORD POWER EXCEPT EZ11 EZ22 EZ44 EZ66 EZ77 057 1 777 855 42 CORD POW...

Page 78: ...MANUAL INSTRUCTION PERSIAN ED66 MJ SG ED88 MJ SG 3 058 429 41 MANUAL INSTRUCTION URDU ED66 MJ SG ED88 MJ SG 3 058 429 51 MANUAL INSTRUCTION RUSSIAN ED66SG ED88SG 3 058 431 11 MANUAL INSTRUCTION ENGLISH ED15 ED25 ED33 3 058 431 21 MANUAL INSTRUCTION ARABIC ED33 3 058 431 31 MANUAL INSTRUCTION THAI ED25TH 3 058 431 41 MANUAL INSTRUCTION PERSIAN ED33 MJ SG 3 058 431 51 MANUAL INSTRUCTION URDU ED33 MJ...

Page 79: ...V ED15 ED25 ED33 ED39 ED55 ED66 ED85 ED88 ED89 ED95 EZ11 EZ22 EZ44 EZ66 EZ77 Sony Corporation Home VIDEO Division Company 9 921 753 11 2000B053014 1F Printed in Japan 2000 2 Published by Quality Assurance Dept ...

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