Aiwa Z-L200 Supplemental Service Manual Download Page 14

Page: 14 / 17

– 14 –

ADJUSTMENT <TUNER>

7. DC Balance / Mono Distortion Adjustment

Settings : • Test point : TP3, TP4 (DC Balance)

TP8 (Lch), TP9 (Rch) (Distortion)
• Adjustment location : L801
• Input level : 60dBµV

Method : Set to FM 98.0MHz and adjust L801 so that the

voltage between TP3 and TP4 becomes 0V ± 300mV.
Next, check that the distortion is minimum.

IC DESCRIPTION

IC, M38B57MCH-E236FP

The IC DESCRIPTION for IC, M38B57MCH-E236FP is the same as IC M38B59MFH-E250FP.

IC BLOCK DIAGRAM

Summary of Contents for Z-L200

Page 1: ...eplaces Simple Manual Z L200 S M Code No 09 005 422 5T3 This Service Manual contains information about the difference between Z L200 LH and Z L200 HA If requiring other information see Service Manual...

Page 2: ...x 1 erase head x 1 Deck 2 Playback head x 1 Compact disc player section Laser Semiconductor laser 780 nm D A converter 1 bit dual Signal to noise ratio 85 dB 1 kHz 0 dB Harmonic distortion 0 05 1 kHz...

Page 3: ...SME C105 87 010 178 080 CHIP CAP 1000P 50 KB C106 87 010 178 080 CHIP CAP 1000P 50 KB C107 87 010 404 080 CAP ELECT 4 7 50V M 11L SME C108 87 010 404 080 CAP ELECT 4 7 50V M 11L SME C109 87 012 156 08...

Page 4: ...P 0 01 25 KB C870 87 010 178 080 C CAP S 1000P 50 KB C959 87 010 196 080 CHIP CAPACITOR 0 1 25 C960 87 010 196 080 CHIP CAPACITOR 0 1 25 C961 87 010 152 080 C CAP S 8P 50 CH C963 87 015 785 080 CHIP C...

Page 5: ...40 317 080 LED SLR 342VCT31 RED S101 87 A91 623 010 SW RTRY EC12E2430403 25MM S301 87 A90 095 080 SW TACT EVQ11G04M S302 87 A90 095 080 SW TACT EVQ11G04M S303 87 A90 095 080 SW TACT EVQ11G04M S304 87...

Page 6: ...WIRING 1 MAIN 6 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32...

Page 7: ...7 SCHEMATIC DIAGRAM 1 MAIN 1 2...

Page 8: ...8 SCHEMATIC DIAGRAM 2 MAIN 2 2...

Page 9: ...WIRING 2 FRONT 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32...

Page 10: ...10 SCHEMATIC DIAGRAM 3 FRONT...

Page 11: ...WIRING 3 PT 11 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U...

Page 12: ...12 SCHEMATIC DIAGRAM 4 PT...

Page 13: ...WIRING 4 DECK 13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U...

Page 14: ...ortion Adjustment location L801 Input level 60dB V Method Set to FM 98 0MHz and adjust L801 so that the voltage between TP3 and TP4 becomes 0V 300mV Next check that the distortion is minimum IC DESCRI...

Page 15: ...15 MECHANICAL EXPLODED VIEW 1 1...

Page 16: ...ABI FR LH 13 8A MA3 057 010 WINDOW TOP 14 8A MA6 018 110 CABI TOP 15 8A MA6 032 010 REFLECTOR POWER 16 8A MA6 031 010 KEY POWER 17 8A MA6 033 010 KEY FUNCTION 18 8A MA6 034 110 KEY GEQ 19 8A NFA 208 0...

Page 17: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 Printed in Singapore 9301978 9630472...