Denon CEOL Piccolo DRA-N5, Service Manual

Page: 37 / 73

37
2.2. Analog In
Check Analog Audio Signal from AUX.
AMP B'D
• [ANALOG IN] Input
Check input signal from DIR.
• [IC103] : 47,48pin AIN_L/AIN_R
Check Soldering.
• [JK102] on AMP B'D
Check Soldering.
• [C124] [C125] on AMP B'D
NG
NG
END
Check Output of PWM Audio Data for PWM CONTROLLER.
AMP B'D
• [IC108] : 44,45,46,47pin
Check Output of PWM Audio Data from PWM CONTROLLER.
AMP B'D
• [IC118] : 4,6,14,16pin
Check Output of Audio Data from AMP to Speaker.
AMP B'D
• [IC118] : 22,25,30,33pin
• [JACK105]
Check Soldering.
• [IC108] on AMP B'D
Check Soldering.
• [IC118] on AMP B'D
Check Soldering.
• [IC118] on AMP B'D
• [JACK105] on AMP B'D
NG
NG
NG
OK
OK
z
Check Output of Digital Audio Data from DIR.
ANP B'D
• [IC103] : 17,18,19pin
5508_LRCK,5508_SCLK,5508_SDATA
Check Soldering.
• [IC103] : 17,18,19pin on AMP B'D
NG
OK
OK
OK
Check Input of Digital Audio Data for PWM CONTROLLER.
AMP B'D
• [IC108] : 26,27,28pin
5508_LRCK,5508_SCLK,5508_SDATA
Check Soldering.
• [IC108] : 26,27,28pin on AMP B'D
NG
OK