
2-36
ELECTRICAL TROUBLESHOOTING GUIDE
NO
IPOD function
IPOD connection or
JK3P1 check
IPOD B/D
JK3P1’s pin27,
18 audio L/R
OK?
NO
NO
NO
16p FFC cable &
connection check
26p FFC cable &
connection check
IC203 check
I/F Junction
CN3F1’s pin1,3
OK?
MAIN B/D
CN250’s pin15,17
OK?
IC200’s
pin23,24 audio
signal OK?
YES
YES
YES
YES
YES
B
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Tuner Function
Tuner(TUN01)
check & antenna
connection check
Micom(IC101) check
IC200 check
IC400 & IC405 &
IC406 & X400 check
IC709 & X601 check
IC201 & X200 check
IC404 check
22p FFC Cable &
CN101 & PN601
connection check
IC201 & X200 check
IC401 check
IC701 check
AMP IC output stage &
JK701 check
IC200’s
pin11,12 audio
L/R OK?
IC404’s
pin1 LOW?
IC200’s
pin41 I2S signal
output OK?
IC401’s
pin4,6,8 I2S signal
input OK?
IC709 audio
output singnal
OK?
IC200’s
pin42,43,44 I2S
clock OK?
IC404’s pin12,
14,16,18 I2S signal
output OK?
AMP B/D’s
PN601’s pin14,15,16 I2S
signal OK?
IC404’s
pin2,4,6,8 I2S signal
input OK?
IC401’s pin12,
14,16 I2S signal
output OK?
IC701 audio
output singnal
OK?
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
B
C
A
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 ...