VCR SOUND TROUBLESHOOTING
I
NO SOUND
Sound is not heard>
EE sound is heard
But Audio REC is not possible
Sound is not heard>
EE
REC
Check the
level at pin
of
in
Check
line.
Is there Bias Oscillator
Check the Bias CTL
line,
at pin
pin
about
at
of
(Bias Oscillator)
and Bias Oscillator
YES
Check the
line
between
and Audio Head.
FLOW
YES
at pin
YES
at
YES
Check the
level at
Audio Mute
line.
Check the signal at pin
and adjacent
Check the Audio mute circuit;
and 46602 on
,
Check the
and
on
Summary of Contents for 14VT10X1
Page 66: ...OVERALL BLOCK DIAGRAM 6 9 ...
Page 67: ...I 7 I a I 9 I 10 I 11 I 12 1 7 0 ...
Page 69: ...T 1 i r I 1 I i L I I 7 I a I 9 I 10 I 11 I 12 1 72 ...
Page 70: ...I I_ J I I I I 1 y I ...
Page 71: ...u ...
Page 80: ...N w P m 0 u 1 FC r i z I 3 I i r i nna AMP i I ...
Page 83: ... t m m I 7 I 8 I 9 I 10 I 11 I 12 1 8 8 l _ ...
Page 91: ...CRT CRT CRT TTin J Ll T 0 78Vp P 0 O 78Vp p HI 78Vp P U 0 ...
Page 93: ...VCR POWER PWB P RDENCWBDGELZ CRT PWB PWB H ...
Page 95: ......
Page 97: ...I AUDIO MODULE WJNTK0677GEZZ F3626GE OPERATION DUNTK3627HE50 F3627GE I ...
Page 98: ... H ...
Page 99: ...I _ ...
Page 101: ...J EL s I or VHIXRA7252 I FM EO I 7 I 8 I 9 I 1 0 I 11 I 1 2 I 1 0 4 ...
Page 102: ...VCR POWER CIRCUIT 105 ...
Page 103: ...I 7 I a I 9 I 10 I 11 I 12 I 106 ...
Page 105: ...INFRARED REMOTE CONTROL CIRCUIT I I I I I 1 1 I 2 I 3 I 4 I 5 I 6 1 108 ...
Page 107: ...0 P cc I I I ...
Page 108: ... N w e VI 0 I l 1 ma c I s m A t T I I I I I I I I I I I I I I Ii I x 2 N I rNllllll I ...
Page 109: ...m M M I 7 I 8 I 112 8 1 t _I 11 I 12 1 ...
Page 110: ...2 W 1 0007 OTC 14EK ...
Page 111: ...I I c I n I In I 0 3 I 0 b II m 2 2 m HF H NNT w O TLN O IGC O en O Zb ...
Page 112: ...N w P Gl 07 Ll I I t I n I m I 0 I 0 I m I D I m ...
Page 113: ...C A B C D E F G H YIC PWB VCR POWER PWB 1 I 2 I 3 I 4 I 5 I 6 I ...
Page 114: ...I I I 0 I m I m I 0 I n I m I D I A SBIIO C H c j u ...
Page 116: ...TV MOTHER PWB 1 I 2 I 3 I 4 I 5 I 6 I 119 ...
Page 117: ...TIMER PWB 1 I 2 I 3 I 4 5 I 6 1 120 ...
Page 134: ... A B E F G ...
Page 135: ...CASSElTE HOUSING CONTROL PARTS 3 1 7 I 9 3 wf 345 1 I 2 I 3 I 5 I 5 I 6 1 138 ...
Page 136: ... A B C D E F G l 4 TV SECTION MECHANICAL PARTS 1 I 2 I 3 I 4 I 5 I 6 I 139 ...
Page 137: ...VCR SECTION MECHANICAL PARTS 1 I 2 1 3 I 4 I 5 I 6 I ...