36
Check Oscillation waveform.
AMP B'D
• [IC108] : 19pin XTL_OUT
13.5MHz OK?
• [IC108] : 63pin MCLK
5508_MCLK OK?
Check control signal for DIR.
AMP B'D
• [IC103] : 23,24,25,26pin
DIR_DO,DIR_DI,DIR_CL,DIR_CE
Check Soldering.
• [XTAL102] on AMP B'D
• [IC103] : 20pin 5508_MCLK on AMP B'D
Check Soldering.
MAIN B
'
D
• [IC403] : 86,87,88,89pin MAIN B'D
DIR_DO,DIR_DI,DIR_CL,DIR_CE
NG
NG
OK
OK
END
Check control signal for PWM CONTROLLER.
AMP B'D
• [IC108] : 24,25pin
5508_SDA, 5508_SCL
• [IC108] : 13,14pin
PDN,MUTE
"H" level O.K.?
Check Soldering.
• [IC403] : 82,83pin
5508_SDA, 5508_SCL on MAIN B'D
• [IC108] : 13,14pin PDN,MUTE on AMP B'D
NG
Содержание CEOL Piccolo DRA-N5
Страница 17: ...17 5 Remove the MAIN BOARD Shooting of photograph D...
Страница 40: ...40 Personal notes...
Страница 62: ...62 PCM9211 AMP IC103...
Страница 63: ...63 PCM9211 Block Diagram...
Страница 64: ...64 PCM9211 Pin Discriptions...
Страница 70: ...70 L6565 SMPS IC821 L6565 Block Diagram...
Страница 71: ...71 ICE3BR1765J SMPS IC871 ICE3BR1765J Block Diagram...
Страница 72: ...72 2 DISPLAY S020 MXS4035A 3 DISPLAY CP661...