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Hard to find service manual describing the PLL circuit of the AKAI AP-306.
Thanks to have it available.
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Gut, sehr gut! It helps me much! I couldn't find this schema nowhere. Good quality
Block diagram
CD servo control section
FOCUS+ FOCUSTRACKING+ TRACKINGVF1, VF2 VT1, VT2 MD, LD
DSP sectio
CN601 CN602 CN871
VF1,VF2, VT1,VT2 MDI,LDO, VREF BUS0 to BUS3 BUCK CCE DSPRST IOP
PICK UP
IC601 CD RF & SERVO
FMO DMO TRO FOO PVREF
IC573 X571 CLOCK GEN.
SCK
LOAD/FEED MOTOR
LOAD/FEED+ LOAD/FEEDLOAD/FEED+ LOAD/FEEDSPINDLE+ SPINDLE-
TRACKING+ TRACKINGFOCUS+ FOCUSVREF
DATA BCK LRCK MP3DA MP3CK MP3STB MP3RST MP3REQ
SPINDLE MOTOR
SPINDLE+ SPINDLE-
IC681 CD DRIVER
CDON LD/FE LOAD
IC652 MP3/WMA DEC
SDO BCK LRCK
CDSCK, CDLR
CN501 CN801
SW1 SW2 SW3
SW1, SW2, SW3
SW1, SW2, SW3
MP3DA MP3CK
IC502 EPROM
SW4
SW4
SW4
IC501 CPU
PDATA,PCLK, CDRESET B.DET,P.DET, CDMUTE,CDREQ BUSSO,BUSSI BUSIO,/BUSIO BUSSCK
REST SWITCH
REST
REST
IC503 J-BUS BUFF
BUSSI/SO BUSCLK
LCD & Key control section
IC461 REMOCON
IC471 SRAM
A1 to A21 D0 to D15 RE
IC881 RESET
REM KEYDA,DISPCE DISPDA,DISPCK PICTDI,PICTCLK
PICTCLK
CN721 CN701
PICTDI
RST
LCD MODULE
D0 to D7 RE,SEL0,SEL1 A1 to A21 D0 to D15 RE,RY/BY MEMRST
Sound mix section
IC801 LCD DRIVER
IC491 FLASH
IC401 SOUND FIELD IMAGE DSP
SDOUTA
BK-LCH BK-RCH
CCC_RST, CCC_MCK CCC_MDT, CCCMLEN
S441 to S446 S448 to S451 S453 KEY MATRIX
KEY0 KEY1 KEYIN
ENC1 ENC2
IC401 ENCODER
IC411 CC CONVERTER
MCLK BICK SDTI LRCK
IC412 DAC
DAC_PDN, DAC_CSN DAC_CLK, DACCDTI F-LCH+/F-RCH+/-
2-1
 $4.99 KD-AR7500 JVC
Parts Catalog Parts Catalog only. It's available in PDF format. Useful, if Your equipment is broken and You need t…  $4.99 KDAR7500 JVC
Service Manual Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagr…
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