1-52 (No.YD068)
5.2
MECHANISM TROUBLESHOOTING GUIDE (VCR PART)
5.2.1 Deck Mechanism
No Auto Rewind operates.
Is output of the end sensor “H”?
“H”: 3.5V or less
“L”: 0.7V –1V or less
Is voltage at both ends of the
IR LED 0.8V-1.5?
Replace the LED.
Is the end sensor Vcc applied at
5V?
Check the Syscon power supply.
Replace the end sensor.
Is the Syscon checked?
NO
YES
YES
YES
YES
NO
NO
A.
NO
NO
NO
No F/R operates.
Is the current mode an F/R
mode?
Check the assembly position of
the Mode S/W.
Is normal voltage applied at the
Vcc1 and the Vcc2 of the
Capstan motor?
Is the Vctl terminal voltage of the
Capstan Motor applied at more
than 4V?
Check the Servo, Power
circuit.
Replace the Capstan motor.
Does the Capstan motor rotate?
Does the T/up and the supply
reel Operate?
Check the Syscon circuit.
YES
YES
YES
YES
YES
YES
B.
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 ...