Denon DRA-F107 - Page 14

14
DRA-F107 / DRA-F107DAB
(6) PHONO PLA
Y
Check Power Supply Voltages for PHONO Check Soldering.
INPUT B'D PHONO BLOCK N.G 䊶䈀WP11䈁:4pin-7V,5pin +7V
䊶䈀WP11䈁:4pin-7V,5pin +7V 䊶䈀WC11䈁:4pin-7V,5pin +7V on Main B'D
O.K.
Check Soldering.
Check Analog signal input for FUNCTION IC 䊶 [IC21]:80,1pin PHONO_L,PHONO_R
MAIN B'D N.G 䊶
䈀
㪮㪚㪈㪈
䈁
㪑㪈㪃㪊㫇㫀㫅
䊶 [IC21]:49,50pin LOUT,ROUT 䊶
䈀
㪮㪧㪈㪈
䈁
㪑㪈㪃㪊㫇㫀㫅
䊶 IC11
䊶 JK11
O.K.
to CD/USB in 䃨Mark
(7) Head Phone OUT
Check Analog signal output forom FUNCTION IC Check Soldering.
MAIN B'D N.G MAIN B'D
䊶 [IC21]:54pin LOUT,47pin ROUT 䊶 [IC21]:54pin LOUT,47pin ROUT
㪫㪦㩷㩿㪈㪀㪚㪛ౣ
↢
O.K.
Check Power Supply Voltages for Head Phone Amp Check Soldering.
INPUT B'D H/P AMP BLOCK N.G 䊶 䈀㪮㪧㪈㪈䈁㪑㪋㫇㫀㫅㩷㪄㪎㪭㪃㩷㪌㫇㫀㫅㩷㪂㪎㪭㩷㫆㫅㩷㪠㪥㪧㪬㪫㩷㪙㩾㪛
䊶 䈀㪮㪧㪈㪈䈁㪑㪋㫇㫀㫅㩷㪄㪎㪭㪃㩷㪌㫇㫀㫅㩷㪂㪎㪭 䊶 䈀㪮㪚㪈㪈䈁㪑㪋㫇㫀㫅㩷㪄㪎㪭㪃㩷㪌㫇㫀㫅㩷㪂㪎㪭㩷㫆㫅㩷㪤㪘㪠㪥㩷㪙㩾㪛
O.K.
Check Soldering.
Check Mute Control signal for Head Phone INPUT B'D H/P BLOCK
INPUT B'D H/P BLOCK N.G 䊶
䈀
WP11
䈁
:13pin HP_MUTE
䊶
䈀
WP11
䈁
:13pin HP_MUTE Low Level OK?(-7V) MAIN B'D
䈀
WC11
䈁
:13pin HP_MUTE
O.K.
Check Soldering.
Check Analog signal output from Head Phone Amp 䊶
䈀
㪮㪚㪈㪈
䈁
㪎㫇㫀㫅㩷㪟㪧
㪶
㪣㪠㪥㪃㪏㫇㫀㫅㩷㪟㪧㪶㪩㪠㪥㩷㫆㫅㩷㪤㪘㪠㪥㩷㪙㩾㪛
INPUT B'D H/P BLOCK N.G INPUT B'D H/P BLOCK
䊶 [IC13]:1pin LOUT,7pin ROUT 䊶
䈀
㪮㪧㪈㪈
䈁
㪎㫇㫀㫅㩷㪟㪧
㪶
㪣㪠㪥㪃㪏㫇㫀㫅㩷㪟㪧㪶㪩㪠㪥㩷㫆㫅㩷㪤㪘㪠㪥㩷㪙㩾㪛
㪝㫉㫆㫅㫋㩷㪙㩾㪛 䊶 IC13
䊶
䈀
㪙㪥㪏㪉
䈁
㪑㪌㫇㫀㫅㩷㪟㪧㪶㪣㪦㪃㪍㫇㫀㫅㩷㪟㪧㪶㪩㪦 䊶
䈀
㪚㪥㪏㪉
䈁
㪑㪌㫇㫀㫅㩷㪟㪧
㪶
㪣㪦㪃㪍㫇㫀㫅㩷㪟㪧㪶㪩㪦
㪝㫉㫆㫅㫋㩷㪙㩾㪛
䊶
䈀
㪙㪥㪏㪉
䈁
㪑㪌㫇㫀㫅㩷㪟㪧
㪶
㪣㪦㪃㪍㫇㫀㫅㩷㪟㪧㪶㪩㪦
㪚㪿㪼㪺㫂㩷㪧㪸㫉㫋㫊
Q105,Q106,Q107,Q108
O.K.
END