Sharp CD-BK260V Service Manual page 52

CD-BK260V/CD-BK2700V/CD-BK280V
ICM3 VHiES3889F/-1: VCD Companion (ES3889F) (1/2)
Pin No. Port Name Terminal Name
1 GND GND
2*-4* N.C. N.C.
5 VDD VDD
6 DSC_C DSC_C
7* AUX00 N.C.
8 DSC_DO LDO
9* AUX01 N.C.
10 DSC_S DSC_S
11 AUX02 AUX02
12* DCLK/EXTCLK N.C.
13 RESET# RESET#
14 AUX07 MIC SW
15 MUTE MUTE
16 VDD VDD
17 MCLK MCLK
18* AUX08 XIN
19 TWS/SPLL OUT TWS
20* AUX09 N.C.
21 TSD TSD
22 TBCK TBCK
23 RWS/SEL_PLL1 RWS
24 RST_OUT RST_OUT
25 GND GND
26 VDD GND
27*,28* N.C. N.C.
29* N.C. N.C.
30* N.C. N.C.
31 GND GND
32 VDD VDD
33 RSD/SEL_PLL0 RSD
34*-36* AUX10-12 N.C.
37 RSCK/SER_IN RSCK
38 AUX13 PGM
39*,40* AUX14.15 N.C.
41 AGND AGND
42 VREFM VREFM
43 VREFP VREFP
44 AVDD AVDD
45 AOR+ AOR+
46 AOR- AOR-
47 AOL- AOL-
48 AOL+ AOL+
49* MIC1 N.C.
50 MIC2 MIC2
51 AGND AGND
52 VREF VREF
53 VCM VCM
54 RSET RSET
55 COMP COMP
56,57 VGND VGND
58 CDAC CDAC
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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Input/Output
— GROUND.
— NOT USED.
Input VOLTAGE SUPPLY 5 V.
Input CLOCK FOR PROGRAMMING TO ACCESS INTERNAL REGISTER.
— NOT USED.
Input/Output DATA FOR PROGRAMMING TO ACCESS INTERNAL REGISTER.
— NOT USED.
Input STROBE FOR PROGRAMMING TO ACCESS INTERNAL REGISTER.
Output JOINT TO MUTE.
— NOT USED.
Input VIDEO RESET.
Input MIC SWITCH.
Output AUDIO MUTE
Input VOLTAGE SUPPLY 5 V.
Input AUDIO MASTER CLOCK. (11.28 MHz)
Input/Output TO CD DSP OSC IN.
Input TRANSMIT AUDIO FRAME SYNC.
— NOT USED.
Input TRANSMIT AUDIO DATA INPUT.
Input TRANSMIT AUDIO BIT CLOCK.
Output RECEIVE AUDIO FRAME SYNC.
Output RESET OUTPUT.
— GROUND.
— GROUND.
— NOT USED.
Input NOT USED.
— NOT USED.
— GROUND.
Input VOLTAGE SUPPLY 5 V.
Output RECEIVE AUDIO DATA INPUT.
— NOT USED.
Output RECEIVE AUDIO BIT CLOCK.
Output JOINT TO EPROM.
— NOT USED.
— AUDIO ANALOG GROUND.
Input DAC AND ADC MINIMUM REFERENCE.
Input DAC AND ADC MAXIMUM REFERENCE.
Input ANALOG VDD 5 V.
Output RIGHT CHANNEL OUTPUT.
Output RIGHT CHANNEL OUTPUT.
Output LEFT CHANNEL OUTPUT.
Output LEFT CHANNEL OUTPUT.
— OPEN
Input MIC INPUT 2.
— AUDIO ANALOG GROUND.
Input VOLTAGE REFERENCE.
Input ADC COMMON MODE REFERENCE BUFFER OUTPUT.
Input FULL SCALE DAC CURRENT ADJUSTMENT.
Input COMPENSATION PIN.
— VIDEO ANALOG GROUND.
Output MODULATED CHROMINANCE OUTPUT.
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Function