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