Circuit Description; Component Function; Microprocessor - Kenwood DP-3010 Service Manual

DP-3010
1. Component Functions
CIRCUIT DESCRIPTION
1-1. Control Circuit Unit (X29-1990-00)
Components Part No.
{ Use/Function
Operation/Condition/Interchangeability
1C1 Mb5223P
! OP AMP.
Deviation Amplifier of the ALPC circuit
Qi 2SC3246 Transistor Constant Current'/Voltage Ripple Filter for +5 V of the ALPC c:cuit
Q2
25C945 (A) (0. C}
2SC1 7408S (Q. R)
Transistor
Constant Currenv/Voltage Deviation amplifier for +5 V of the APLC circuit
Q3
2SA733 {A} (Q. P}
2SA933S {O. A)
Transistor
Constant Current/Voltage Ripple Filter for —5 V of the APLC c:rcuit
Q4
2SA733 IA) (Q. P)
2SA9335 (Q, R)
Transistor
ON/OFF Control Switch of the Laser of the APLC circuit (Wher LDON is "L" then OFF, and
i when "H" then ON}
Os
2SA733 (A) (Q. P)
2SA2933S {Q. R}
Transistor Laser drive transistor of the APLC circurt
Components Part No. Use/Function Operation/Condition/Interchangeability
TA8iOIN
NJM2058D
TC9201 BF
RF Servo IC
Servoprocessor
TC92900BF
LC36° 8BSL-15
NJN4558D
NJM"558D
NJMé358D
LSI Digital
Signal Processor
Producing of and Data Slicing of the Focus Area AMP, Tracking Area AMP, and RF
Sub-beam Signa! AMP for the EFM! Summing Signal
OP AMP for (1/4) VaeF
{2/4) Focus Coit! Drive
(3/4) Tracking Coil Drive
(4/4) Feed Motor Drive
CLV Control of the Feed Servo, Search Control and Disc Motor
LSI for Synchronizing Isolation, EFM Signal Demodulator, Error Detector. Correction
Processor
{16K RAM for Signal Processing
=
| (1/2) Tracking Coil Drive
(2/2) Disc Motor Drive
{1/2} Tracking Coil Drive
{2/2} Feed Motor Drive
(1/2) Tray Motor Drive
(2/2) OP_ AMP for Producing the Reset Signa!
TC744CO2A4P NOR GATE
(1/4) Inverter for the LRCK Signal
(2/4) Inverter for 16.9344 MHz
(3/4) Inverter for Bit Clock
{4/4} Inverter for Bit Clock
PDOC36 Digital Fitter
+
Eight Times Over Sampling Digita! Filter
+
TC744ACT4AP FLIP/FLOP D FLIP/FLOP for the URCK Latch
12
NJM4558D OP AMP
{1/2} OP AMP for —5 V
{2/2} OP AMP for +5 V
Components | Part No.
CIRCUIT DESCRIPTION
Use/Function
DP-3010
Operation/Condition/Interchangeability
iC13, 14 PCMB6P-L-1 D-A Converter 16 bit D/A Converter
115. 16 NJM4565D OP AMP
i Seventh LPF AMP
C17 pPD75212ATW-089
Microprocessor Control of Display. Input processing of each KEY and Servo iC
IC18 M5218P
OP AMP for headphones
Qi DTAI24EN
Digital
Q2 OTC124EN Transistor
inverting Circuit to drive O2
> Switch to stop contro! of the Data Slice Level during STOP
04 2SC3940A
Q5
+
2$B772 (O, Pi
Transistor i Focus Cot Drive
Q6 STA341M Driver
. Driver for Feed, Tray anc Tracking Controt
+
2SC3940A
Transistor
a8 2SA1534A
Disc Motor Drive
DTCi24EN
Digital
OTA124EN
Transistor
i For Transistor Reset
ON/OFF Switch for De-emphasis
2801944 Ripple Filter
Ripple Filter to stablize the +5 V power
2SA954 (L. Mi Rippte Fitter
| Ripple Filter to stablize the ~5 V power
2SA954 (LM) Ripple Filter
FET
| Ripple Filter
| Ripple Filter
Switch
Switch
| Wide use supply voltage control (— 30 V)
[FET for +6 V
! Ripple Filter to stablize the +6 V power
i Ripple Filter to stablize the —6 V power
Muting switch
" De-emphasis switch
Switch
Switch
; Dé-emphasis swiich
! Muting switch
13