JVC PC-XC350 Service Manual Download Page 13 | Manualshive

Page: 13 / 16

background image

PC-XC350

AN7345K (IC201) DUAL RECORD/PLAYBACK PRE-AMPLIFIER

Block Diagram

1-13

«
...
11
12
13
14
15
...
»

Summary of Contents for PC-XC350

Page 1: ...gram 1 16 Disassembly method 1 4 Circuit Diagram 1 18 Adjustment method 1 6 PCB drawing 1 20 TOC read 1 11 Assembly 1 22 Major IC Description 1 12 Packing 1 32 No xxxxx COPYRIGHT 2001 VICTOR COMPANY OF JAPAN LTD By JCA OCT 2001 Area Suffix J USA C CANADA Unit No SP PCXC350 Unit No SP PCXC350 Unit No SP PCXC350 ...

Page 2: ...urrent check Electrical Shock hazard testing After re assembling the product always perform an isolation check on the exposed metap 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 isloation transformer during this check Plug the AC line cord direct...

Page 3: ...up 1 In order to maintain quality during transport and before installation both sides of the laser diode on the replacement optical pickup are storted After replacement return the shorted parts to their original condition Refer to the text 2 Do not use a tester to check the condition of the laserdiode in the optical pickup The tester s internal power source can easily destory the laser diode 1 2 H...

Page 4: ...he two screws B retaining the rear panel 3 Take out the rear panel from the body Note Be careful of the FM antenna white wire it is connection with the tuner PCB up side You can directly take out from the tuner PCB When you re assembly the product plug the FM antenna white wire into the Tuner PCB s FM ANT position 1 4 Screw A Screw A Screw B ...

Page 5: ...D mechanism cover 3 Removing the crew F retaing the control PCB left side E 4 Remove the srews G retaing on the 3CD mechanism cover the two screws H retaining on the control PCB F G H Removing the Main PCB 1 Remove rear panel 2 Remove the 3CD mechanism 3 Remove the four screws attaching the main PCB 1 5 ...

Page 6: ...nce output Speaker 0 866V 3 2 The IF sweeper output level should be made as Headphone 0 245V 32 low as possible within the adjusttable range Reference frequency and 1KHz AUX 450mV 3 Since the IF sweeper is a fixed device there is no input level need to adjust this sweeper Input for confirming recording and CD 10dB 4 Since a ceramic oscillator is used there is no need playback characteristics to pe...

Page 7: ...Am signal Loop VTVM TP12 L MW COIL 5 1500 KHz Generator ANT Oscilloscope TP11 R CT102 b FM Adjustment BAND SELECT SWITCH FM FM Dummy Antenna 75 ohm unbalance ste Adjusting Tuning Adjustment circuit Frequency Measurement input Measurement output parts 1 IF FM Sweep TP4 H VTVM TP16 H 10 7 MHz 98 0 MHz Generator TP8 E Oscilloscope TP8 E T104 2 Tuning 87 5 MHz Digital TP16 H 3 Coversage 108 MHz Voltme...

Page 8: ...PC XC350 ARRANGEMENT OF ADJUSTMENTS POSITION 1 8 ...

Page 9: ... Test tape Adjust VR401 so that the frequency counter Tape speed VR401 of tape speed TCC 112 3KHz reading becomes 3 010Hz 15Hz when of deck playing back the test tape TCC 112 3KHz with 3 010Hz playback and recording mechanism after 15Hz Measurement output ending forward winding of the tape terminal Headphone terminal Referemce Values for Confirmation Items Items Measurement Measurement method Stan...

Page 10: ...e mechanism to the between frequency Test tape recording and pausing condition in 1KHz and characteristics TDK D60 advance 8KHz Measurement input 2 While repetitively inputting the reference 1dB 2dB terminal frequency signal of 1KHz and 8KHz from OSC IN OSC IN record andplayback the tape 3 While recording and playback the test tape Lch and Rch so that the output deviation between 1KHz and 8KHz fro...

Page 11: ...PC XC350 1 11 ...

Page 12: ...PC XC350 DESCRIPTION OF MAJOR IC TA2104BN IC101 AM FM 1 CHIP TUNER Block Diagram 1 12 ...

Page 13: ...PC XC350 AN7345K IC201 DUAL RECORD PLAYBACK PRE AMPLIFIER Block Diagram 1 13 ...

Page 14: ...PC XC350 1 14 ...

Page 15: ...PC XC350 1 15 ...

Page 16: ...PC XC350 BLOCK DIAGRAM 1 16 ...

Reviews:

No comments

Related manuals for PC-XC350

Brand: Campbell Hausfeld Pages: 12

Brand: Campbell Hausfeld Pages: 44

Brand: Karel Pages: 43

Brand: National Instruments Pages: 23

Magnum Alert-700

Brand: NAPCO Pages: 52

Brand: Zip Pages: 16

Brand: VENCO Pages: 4

MODULEX EXT Series

Brand: Unical Pages: 52

XTS 7IP WH WIFI

Brand: CAME BPT Pages: 24

SITALI CXOM 180

Brand: Olimpia splendid Pages: 32

FOCUS 200 AC/DC PFC

Brand: Migatronic Pages: 66

RAZOR CUT 40 AIR

Brand: Unimig Pages: 28

Brand: Easun Pages: 6

Brand: B&G electronics Pages: 8

Brand: ACR Electronics Pages: 10

Brand: JBL Pages: 65

Brand: EAW Pages: 2

Brand: Yabang Pages: 6

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands