39
2. No Sound,Noise generated
2.1. CD PLAY
Check Power Supply Voltages for CD.
MCU_CD B'D
• D+3.3V [IC51 ]: 2pi 3.3V OK?
• +1.5V [IC52] : 2pi 1.5V OK?
Check Power Supply Voltages for DAC.
INPUT B'D
• [IC15] :14pin VDD 5V OK?
Check Reset signal for CD.
MCU_CD B'D
• [IC16] : 69pin /RST "H" level O.K.?
• [IC41] : 61pin DSP_RST "H" level O.K.?
• [IC11] : 58pin CD_DSP_RST "H" level O.K.?
Check Reset signal for DAC.
INPUT B'D
• [IC15] : 5pin AKRST
"H" level O.K.?
Check Oscillation waveform.
MCU_CD B'D
• [IC16] : 49pin XO
16.9344MHz OK?
Check Oscillation waveform.
MCU_CD B'D
• [IC41]:73pin X2
9.0MHz OK?
Check Clock Signal for DAC.
INPUT B'D
• [IC15]:1pin MCLK
16.9344MHz OK?
Check controll signal for DAC.
INPUT B'D
• [IC15] : 6,7,8 pin AKCS,AKCLK,AKCON
Check Power Supply Voltages for CD.
MCU_CD B'D
• [CN98] : 1pin +8VM
• [CN98] : 5pin USB+9V
• [IC51] : 1pin USB+5V
Check Soldering.
• MCU_CD B'D [CN98] : 1,3pin
+8VM, USB+9V
• POWER B'D
Check Parts
• [IC71]
Check Soldering.
• [IC51] on MCU_CD B'D
• [IC52] on MCU_CD B'D
Check Parts
• [IC51],[IC52]
Check Soldering.
• [CN72] : 9pin SW+5V
• POWER B'D
Check Soldering.
• [IC11] : 58pin CD_DSP_RST on MCU_CD B'D
• [IC41] : 61pin DSP_RST on MCU_CD B'D
Check Soldering.
• [IC11] : 25pin DAC_RST on MCU_CD B'D
Check Soldering.
• [X201] on MCU_CD B'D
Check Soldering.
• [X401] on MCU_CD B'D
Check Soldering.
• [IC16] on MCU_CD B'D
• [WN12] on MCU_CD B'D
• [WF12] on INPUT B'D
Check Soldering.
• [IC11] on MCU_CD B'D
• [WN12] : 6,7,8pin on MCU_CD B'D
DAC_CE,DAC_CLK,DAC_CDTI
• [WF12] on INPUT B'D
NG
NG
NG
NG
NG
NG
NG
NG
NG
OK
OK
OK
OK
OK
OK
OK
OK
OK
Summary of Contents for D-M38S
Page 36: ... 3 Save the FlashProg ini 36 ...
Page 52: ...WIRING DIAGRAM 52 ...
Page 66: ...66 TMP92FD28FG Block Diagram ...
Page 69: ...69 TMPM330FYFG for E3 E2 JP model T5CN5 for EK model MCU IC11 ...
Page 81: ...81 AK4385 INPUT IC15 AK4385 Pin Discriptions AK4385 Block Diagram ...
Page 82: ...82 2 IC s 16ST103GINK MAIN FL81 PIN CONNECTION GRID ASSIGNMENT 1 43 Upper Lower ...
Page 83: ...83 ANODE CONNECTION ...
Page 84: ...84 ...