2-39
8. HDMI NO AUDIO/VIDEO CHECK (with HDMI IN)
ELECTRICAL TROUBLESHOOTING GUIDE
HDMI IN function
JK801 or JK802 &
HDMI cable connection check
YES
MICOM(IC101) check
YES
IC815 check
IC815’s video
input signal(pin‘L13’~)
OK?
NO
NO
IC815’s
pin‘A2’ HIGH?
JK801 or JK802’s
pin1,3,4,6,7,9,10,12 TMDS
signal input OK?
JK801 or JK802
soldering OK?
JK803’s pin1,3,
4,6,7,9,10,12 TMDS Data
signal OK?
IC807’s pin5,7,
8,10,11,13,14,16 TMDS
signal OK?
JK803
soldering OK?
IC806’s video
input signal(pin35~98)
OK?
NO
NO
NO
NO
NO
NO
IC808 ,X802,IC803,
IC804 check
JK801 or JK802 Re-soldering
JK803 & HDMI cable
connection check
IC807 check
JK803 Re-soldering
IC806 check
YES
YES
YES
YES
YES
YES
Summary of Contents for HB954TB
Page 51: ...2 42 WAVEFORMS 1 SYSTEM PART 1 X500 27MHz 1 X501 25MHz 2 1 IC500 BCM7440P 2 ...
Page 53: ...2 44 3 VIDEO PART 1 100 FULL COLOR BAR CVBS_I 7 Y 8 Pb 9 Pr 10 7 9 10 8 ...
Page 54: ...2 45 4 VIDEO PART 2 100 FULL COLOR BAR CVBS 11 COMP_Y 12 COMP_Pb 13 COMP_Pr 14 11 14 12 13 ...
Page 55: ...2 46 5 HDMI PART HDMI_SDA 15 HDMI_SCL 16 HDMI_CLK 17 HDMI_DATA 18 18 17 15 16 ...
Page 56: ...2 47 6 MICOM AND MPEG I F PART T_TX 19 R_RX 20 20 19 ...
Page 57: ...2 48 MEMO ...
Page 80: ...2 93 2 94 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Page 81: ...2 95 2 96 MAIN P C BOARD BOTTOM VIEW ...
Page 82: ...2 97 2 98 2 SMPS P C BOARD TOP VIEW ...
Page 83: ...2 99 2 100 SMPS P C BOARD BOTTOM VIEW ...
Page 84: ...2 101 2 102 3 AMP P C BOARD TOP VIEW BOTTOM VIEW ...
Page 87: ...3 2 MEMO ...
Page 93: ...3 10 ...
Page 94: ...954B 954A 950 955 956 957 951 958 953 952 A900 4 3 PASSIVE SUBWOOFER SB94TB W 3 11 ...
Page 95: ...MEMO 3 12 ...
Page 117: ...4 22 MEMO ...
Page 118: ...4 24 4 23 CIRCUIT DIAGRAM LOADER HL 04P EBY51750301 REV 6 1 2009 01 20 ...
Page 120: ...4 27 4 28 PRINTED CIRCUIT BOARD DIAGRAMS TOP VIEW ...
Page 121: ...4 29 4 30 BOTTOM VIEW ...