(No.YD068)1-51
(B) No Sound
Check the Vcc of IC751 Pins1, 11, 19,
22, 33.
Check the Tuner SiF signal at IC751
Pin2.
Check the Signal flow from IC802
Pins3, 5, SC901 Pins1, 3.
Check the IIC Clock and Data at IC751
Pins12, 13.
Check the signal flow from IC751
Pins30, 31 to IC801 Pins2, 3.
Check the IIC Clock and Data at IC801
Pins42, 43.
Check the signal flow from IC801
Pins16, 17 to IC802 Pins11, 16.
No Sound.
Check the oscillator of IC751 Pins5, 6.
Check the Audio of IC751 Pins30, 31.
Check the Audio of IC801 Pins2, 3.
Check the Audio of IC801 Pins16, 17.
Check the Audio of IC802 Pins3, 5.
Check 5.0V Line.
Check the Tuner SIF of TU701 Pin22.
Replace X751
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
Содержание HR-XV28SEF
Страница 9: ... No YD068 1 9 SECTION 3 DISASSEMBLY This service manual does not describe DISASSEMBLY ...
Страница 69: ... No YD068 1 69 F FE RFL FIG 7 2 DVD F FE RFL FIG 7 3 CD ...
Страница 70: ...1 70 No YD068 5 4 8 FOCUS ON WAVEFORM F FE RFL FIG 7 4 CD FOCUS_S FACT FACT FIG 8 1 DVD ...
Страница 74: ...1 74 No YD068 5 4 13 ZR36868 AUDIO OUTPUT TO AUDIO DAC 2 COMPOSITE VIDEO SIGNAL FIG 12 2 FIG 13 1 ...
Страница 75: ... No YD068 1 75 5 4 14 AUDIO OUTPUT FROM AUDIO DAC FIG 14 1 ...
Страница 78: ......
Страница 84: ...A 1 2 3 4 5 B C D E F G EE MODE VIDEO TU MODE AUDIO TUNER IF CIRCUIT DIAGRAM SHEET 4 2 11 2 12 ...
Страница 86: ...A 1 2 3 4 5 B C D E F G SCART JACK CIRCUIT DIAGRAM SHEET 6 2 15 2 16 ...
Страница 87: ...A 1 2 3 4 5 B C D E F G ع DVD SERVO CIRCUIT DIAGRAM SHEET 7 2 17 2 18 ...
Страница 88: ...A 1 2 3 4 5 B C D E F G ع DVD AV JACK CIRCUIT DIAGRAM SHEET 8 2 19 2 20 ...
Страница 89: ...A 1 2 3 4 5 B C D E F G ع DVD SYSTEM CIRCUIT DIAGRAM SHEET 9 2 21 2 22 ...
Страница 90: ...PRINTED CIRCUIT DIAGRAMS VCR MAIN BOARD TOP SIDE 2 23 2 24 ...
Страница 91: ...VCR MAIN BOARD BOTTOM SIDE 2 25 2 26 ...
Страница 92: ...COMPONENT PARTS LOCATION GUIDE VCR MAIN 2 27 2 28 ...
Страница 93: ...LOCATION GUIDE LOCATION GUIDE POWER BOARD KEY BOARD 2 29 2 30 ...
Страница 101: ...IC7V1_SDA5650X IC802_NM1232 IC903_BH78968FS IC803_LD1117A IC801_ DA9605H IC BLOCK 2 45 2 46 ...
Страница 107: ......
Страница 113: ... No YD068 3 5 052 517 061 056 518 052A 055 410 077 076 078 060 051 064 A11 A12 023 080 058 BACK SIDE ...