– 34 –
NO AUDIO
Is there
terminal ?
No
No
No
RF(TV), Digital(TV)
only
Check:
Check:
Check:
Check:
Check:
Speaker (SP901, SP902)
All Modes ?
Trouble Shooting Audio US1K(42/46)
Is there
signal at IC001 7pin (L)
or 3pin (R) ?
Line: IC001 1pin - IC800 (CPU) 22pin (Mute)
Parts: Around IC001 (Audio AMP.)
Yes
Yes
Yes
Parts: Around IC6250 (DAC)
A6100 21pin - IC5500 AA17pin (IF1)
A6100 20pin - IC5500 AA18pin (IF2)
Parts: Around A6100(TU), IC5500
AV1 Terminal - IC1200 14pin (L), 5pin (R)
AV2 Terminal - IC1200 15pin (L), 2pin (R)
AV3 Terminal - IC1200 11pin (L), 4pin (R)
PC Terminal - IC1200 12pin (L), 1pin (R)
AV1, AV2, AV3,PC
only
IC1200 3pin - IC6270 14pin (R),
IC1200 13pin - IC6270 13pin (L),
Parts: Around IC1200 (Audio SW),
IC6270 (Audio ADC)
Monitor Out only
Line:
Line:
Check:
Line:
Check:
Line:
Check:
Line:
IC6300 1pin (L) - Monitor Out Terminal
IC6300 7pin (R) - Monitor Out Terminal
Parts: Q1001, Q1002
AV1 or AV2or AV3
or PC
HDMI 1 / 2 / 3
HDMI1 Terminal - IC5500
HDMI2 Terminal - IC5500
HDMI3 Terminal - IC5500
Parts: Around IC5500
signal at speaker
TROUBLESHOOTING FLOW CHARTS (CONT.)
Summary of Contents for DP37819 - 37" Diagonal FULL 1080p LCD HDTV
Page 27: ... 26 IC BLOCK DIAGRAMS IC001 Audio AMP ...
Page 28: ... 27 IC1660 DC to DC Converter IC BLOCK DIAGRAMS CONT IC801 EEPROM ...
Page 29: ... 28 IC1670 DC to DC Converter IC1640 DC to DC Converter ...
Page 30: ... 29 IC5500 Block Diagram IC BLOCK DIAGRAMS CONT ...
Page 31: ... 30 IC6601 USB Protection IC6300 Low output Amplifier ...
Page 32: ... 31 IC5700 DDR Double Data Rate SDRAM IC BLOCK DIAGRAMS CONT IC6502 I2C SELECTOR ...
