Kenwood KDC 1023 S Service Manual

Page 6

KDC-1023/102SS/122/122S

MICROCOM PUTER'S TERMINAL DESCRIPTION

0 MECHANISM MICROCOMPUTER MN6627771 KP (X32 : |C2)

Pin No. Name NC Description Processing Operation
1 TVD O Traverse driver output (PWM output)
2 SPL O Spindle motor drive output (PWM output)
3 PC 0 Spindle motor ON output L:ON H:OFF (default )
4 PWM O multi-purpose PWM output It's possible to setup the TOSF2
5 TBAL 0 Tracking balance adjust output (PWM output)
6 FBAL 0 Focus balance adjust output (PWM output)
7 NRFDET | RF detection signal input deetected
8 OFT | Off-track signal input H :detected
9 BDO I Drop out signal input szetected
10 LDON 0 Laser on signal output H:ON When command FO on,LDON is H
11 DSLB O DSL balance output
12 DVDD1 - Power supply for digital circuit
13 DVSS1 » Ground lines for digital circuit
14 AVSS2 » Ground lines for analog circuit For DSL,PLL and AD
15 DSLF I/O Loop filter terminal for DSL The bias of ARF output terminal in one
16 ARF | RF signal input
17 RFSW | When DSL circuit,constant switch terminal
18 PLLF I/O Loop filter terminal for PLL
19 PLLF2 I/O Loop filter characteristic switching terminal for PLL
20 IREF l Standard voltage input terminal
21 RFENV | RF envelope signal input Analog input
22 TRCRS | Track cross signal input Analog input
23 TE | Tracking error signal input Analog input
24 FE l Focusing error signal input Analog input
25 AVDD2 » Power supply for analog circuit For DSL,PLL and AD
26 AVSS1 - Ground lines for analog circuit For audio output (Lch and Rch in one)
27 OUTR O Rch audio output
28 AVDD1 » Power supply for analog circuit For audio output (Lch and Rch in one)
29 OUTL O Lch audio output
30 DVSS3 - Ground lines for digital circuit
31 CSEL | Oscillation frequency specification terminal Hz33t8488MHz L:16.9344MHz
32 NC 0 Not used
33 ASEL | Audio output polarity switching terminal LzReverse HzNon reverse
34 MSELO | Destination type selection port (set 2bit) Order "MSEL 0" and "MSEL 1" Set up
35 MSEL1 | Destination type selection port (set 2bit) Order "MSEL 0" and MSEL 1" Set up
36 ICRST 0 Reset control terminal for external DAC
37 BCLK 0 Bit clock output for serial data
38 LRCK 0 UR identification signal output
39 SRDATA O Sirial data output
40 VREFP | A/D converter standard power supply input
41 HOT | Temperature protection detection terminal (AD input) Over CS(h):on
42 8EJE78W | 8cm disc eject stop detection terminal H:Stop
43 12EJE/SDET78W | Judge the 8cm or 12cm disc 12cm disc stop detection terminal
44 LOE/LlMisw | Pick-up inside detected Loading end detection terminal
45 PCK O PLL extracted clock output,etc
46 EFM O EFM signal output,etc
47 SENSE O Optics servo status signal output,etc
48 CLVS O Spindle servo phase synchronous signal outputetc L:Norma| operation H:Luff servo
49 DEMPH O Dephase detection signal output,etc Hzon
50 DVDD2 » Power supply for digital circuit
6 51 X1 l Main clock input terminal