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Sanyo MCD-Z260F, Service Manual

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Sanyo MCD-Z260F Service Manual Download Page 4

TUNER ADJUSTMENTS

l 

Use a plastic screw driver for adjustments.

l 

Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter.

a. Parts Location

b. AM Adjustment

Step

1

2

3

4

5

TC102 

T104

PLATE

BAND SELECT SWITCH   AM

VTVM

Oscilloscope

c. FM Adjustment

BAND SELECT SWITCH   FM

FM Dummy Antenna  75 ohm unbalance

Step

Adjusting

Tuning

Input Connection

Output Connection

Adjustment

VTVM

Circuit

Frequency Measurement

Input

Measurement

output

Parts

Oscilloscope

 

 

 

FM Sweep

 lpin (H)

VTVM

 18pin (H)

__

Generator

SHIELD PLATE   Oscilloscope

 5pin (E)

(Non-adjustment)

  T r a c k i n g  

 

 

  ( E )    

   

 

Summary of Contents for MCD-Z260F

Page 1: ...ce Semi conductor laser Pick up wave length 790 nm Laser output Continuous wave max 0 6 mW Wow Flutter Undetectable Radio Section PRODUCT CODE No 142 641 00 Tuning ranges FM 87 5 108 MHz AM 522 1 611 kHz Aerials Built in ferrite bar and telescopic rod aerials General Power output 2 8 W ch DIN music Speaker 10 cm x 2 8 ohms Terminal impedance PHONES 32 ohms Power source _ AC 230 50 Hz DC 12 V 8 R14...

Page 2: ......

Page 3: ...REMOVAL AND INSTALLATION e CD MECHANISM f CD DOOR g DISPLAY P W BOARD h AMP DECK TUNER P W BOARD BLOCK 0 s i WIRING l FRONT AMP RW B AC IN PREAMP CD DISPLAY SOCKET CIXER RW B W B l TAPE MECHANISM 2 ...

Page 4: ...CH AM VTVM Oscilloscope I laximum c FM Adjustment BAND SELECT SWITCH FM FM Dummy Antenna 75 ohm unbalance Step Adjusting Tuning Input Connection Output Connection Adjustment VTVM Circuit Frequency Measurement Input Measurement output Parts Oscilloscope lO 8 MHz g8 o MHz FM Sweep IClOl lpin H VTVM IC102 18pin H __ Generator SHIELD PLATE E Oscilloscope IC102 5pin E Non adjustment M T r a c k i n g 1...

Page 5: ...acing the Head R P HEAD l After replacing the head demagnetize the head by using a degausser l All wiring should be returned to the original position after work is completed WHITE YELLOW RED EARTH c Replacing the Motor d Adjusting Tape Speed l Use a plastic screwdriver for adjustment 1 Inset the test tape Ml f 1 11 N etc 3000 Hz 2 Press the PLAY button 3 Use a flat tip screwdriver to turn the SVR ...

Page 6: ...EXPLODED VIEW CABINET CHASSIS A ...

Page 7: ... DOOR SPRING ASSY CD DOOR REC SPRING PLATE RECORDING LEVER CD CONTROL BRACKET BATTERY LID AC SOCKET COVER KNOB PUSH BASSXPANDER KNOB LEVER FUNCTION CD CONTROL KNOB BANDIMEMORYIREPAET MOUNTING BRACKET TUNER PWB ROD ANTENNA SPRING ASSY CABINET REAR KNOB ROTARY TONE KNOB ROTRAY VOL KNOB CASS PAUSE KNOB CASS STOP EJECT KNOB CASS FFWD KNOB CASS REWIND KNOB CASS PLAY KNOB CASS RECORD HANDLE CD MECHANISM...

Page 8: ...IER lN 4001 RECTIFIER lN 4001 FUSE 2A GLASS TUBE IC PROTECTOR N25 FUSE 400MA GLASS TUBE IC TA8229K IC S875041 BUP REF NO PART NO Q0301 6450236129 Q0302 6450236129 Q0401 A 645 033 3507 Q0402 645 034 6668 Q0403 645 034 6668 Q0404 645 034 6651 Q0405 A 6450270420 R0303 402071 1304 R0304 402071 1304 R0305 A 402 071 0307 SW301 6450333583 SW501 6450333552 VR301 6450333620 VR501 6450333613 DESCRIPTION TR ...

Page 9: ...09 1711 MG ARM 645 009 1728 MG ARM SPRING 6450091285 SWITCH ACTUATOR 6450091339 E KICK LEVER 6450091278 PUSH Bull ON ACTUATOR 6450091230 REC BUlTON LEVER 6450091292 PLAY BUTTON LEVER 6450091247 RWD BUTTON LEVER 6450093210 PLAY BUTTON LEVER SPRING 645 009 1254 FF BUTTON LEVER 6450091261 STOP Bull ON LEVER 6450091414 BUTTON LEVER SPRING A 6450238901 PAUSE BUTTON LEVER 645 009 1421 BUTTON LEVER SPRIN...

Page 10: ...EXPLODED VIEW TAPE MECHANISM f3 TM03 I St_ TM63 T M 6 2 II 6 T M 1 8 TM22 TM27 9 ...

Page 11: ...5Tl REF NO 501 502 503 504 505 506 PART NO DESCRIPTION 645 033 3439 CD DECK MECHANISM 13927804 620 222 8105 ASSY MOTOR 2V SPINDLE 620 222 8112 ASSY MOTOR SLED GV 620 223 2911 PWB MOTOR 620 223 2928 SWITCH LEAF 620 021 8436 PLUG 6P 411 106 7709 SCR PAN PCS 1 7X2 5 10 ...

Page 12: ...ner System IC102 LC7213lM PLL Frequency Synthesizer RF IN M IFOUT IC103 LA1 832 Tuner System STEREO SW IC201 TA2068N Tape Deck Amplifier NAB OUT 1 L w4 Ff cyO IC301 TA8229 AF Amplifier KC vcc I POWER GNO PRE CamI Is2 IC401 S 87050 Voltage Regulator ...

Page 13: ...ction 51 I OPEN SW 1 I Input terminal for CD lid open 521 DRF I I Input terminal for DRF signal Not used Z6 1 0 ILCD segment signal 1 E 56 REVS I Forward I Reverse 56 AC IN I AC power supply input 57 m I Receiving station OK 58 m I Receiving stereo OK I 59 1 3 DSP MUTE 0 Power control of around CD 60 AMP MUTE 0 Output terminal for amplifier mute M powO a ON z 0 Inter Face for DSP Command latch 24 ...

Page 14: ...IC BLOCK DIAGRAM DESCRIPTION ui Pin for Constant Linear Velocity Error It Control Level of Data Slice by Digital Signal door Connection Pin for Bottom hold of 13 ...

Page 15: ...IC BLOCK DIAGRAM DESCRIPTION IS output can contra T I II t I ...

Page 16: ......

Page 17: ...6 102 0101 IN4146 1ClO6 I I Cid7 ki I 1 m n r I I o h120 r Ii I GO EYl 1 II III I 1 1 Cl 2 2 __ 220PT f 1 2 3 4 5 6 7 6 9 10 11 12 IC103 LA1832 I I II 2SC4046 itch Lch 3 NO 6SV CM101 4PIN H This is a basic schematic diagram ...

Page 18: ...WIRING DIAGRAM TUNER 17 ...

Page 19: ...n SCHEMATIC DIAGRAM CD ...

Page 20: ...WIRING DIAGRAM CD 19 ...

Page 21: ...SCHEMATIC DIAGRAM CD CONTROL I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I __ _ _ ...

Page 22: ...ated components in whiih safety can be of special signifii When replacing a component identled by A use only the replacement parts designated or pads with the sama tatings of resistance wattage or voltage that are designated in the parts list in this manual Leakagecunent or rasstance maasuremants must be made to detemine that exposed parts are 6xqtaHy insulated frcfn ths supply circuit before retu...

Page 23: ...WIRING DIAGRAM AMPLIFIER SYSCON PRE AMPLIFIER P W B BAlTERY TERMINAL l P W B BAlTERY TERMINAL 2 P W B 0 C 22 ...

Page 24: ...8 0 0 a ...

Page 25: ...MAIN AMPLIFIER P W B 23 ...

Page 26: ...AD RIP SWITCH SW201 1 2 oa 0 PLAY REC BEATCUT SWITCH SW2021 I oh 10 SW202 C226 220 16 TO TUNER BOARD TU B 1 CNrn2 TV GM 2 b TURCH 3 TU LCH 4 MCD 2260FIXE RECJPB BOARD 248 l 60013 I 68 TOCD I cD Lcti 1 I CNrn3 A Gm 2a CcMCt43 This is a basic schematic diagram ...

Page 27: ...I a4 I a 1 a 1 a4 I a I a IC401 S87050 IC701 CXP50712A CD MODE D 1 2 3 4 5 r lQ r P t SJ Y 4 9 2 4 24 nr I nn 3Qe 0 0 0 0 i 4 I nc IJ V v u 24 Ll No 17 18 19 P 21 22 23 24 _ ___ I M 1 74 2 4 24 24 24 24 2 4 Wua Pin VOltClQC 4 9 1 4 9 1 4 8 1 4 8 1 4 8 0 1 1 0 1 4 8 1 4 8 1 0 0 I 0 5 1 0 0 I a0 Pin No 4Bl50 151 I 2 I 4 8 0 9 55Srnal 21 jsl 63 64 s _ VOk o o o o o oIo r IO2 0 0 8 4 8 0 0 Ip m I 0 0 ...

Page 28: ...8 0 1 0 0 1 0 0 52 1 69 1 4 5 Transistor No Q202 REC Q301 4401 Q404 PinName BlClE BICIE BlClE BlClE BlClE BlClE Vatage 0 7 1 4 8 1 0 1 0 0 0 0 0 0 O O o O O 0 91 112 018 5 0 014 814 9 fX3IO OIo O Transistor No Q4a5 Q901 Q902 CD STOP Q903 CD STOP Ql201 PinName BlClE BlClE BlClE BlClE BlClE Voltage 17 9 1 120 1 772 3 8 1 7 8 1 4 5 0 6 1 0 0 1 0 0 0 6 1 0 0 1 0 0 0 0 1 25 1 0 0 Transistor No 1 Q117 I...

Page 29: ...Nov 1 98 I 1200 NS Printed in Japan SANYO Technosound Co Ltd Osaka Japan ...

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