![background image](http://html.mh-extra.com/html/sanyo/137-103-01/137-103-01_service-manual_360711027.webp)
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TROUBLE SHOOTING
(This is a basic waveform check.)
SPDIF OK
ANALOG OUTPUT;
NO SOUND
SPDIF NG
SPDIF NG
ANALOG OUTPUT;
NO SOUND
ANALOG OUTPUT OK
DISPLAY OK
DAC OUTPUT
CONFIRM
IC817 pin7,8
N
N
N
Y
Y
N
Y
Y
N
N
Y
Y
N
N
Y
Y
Y
N
N
Y
N
Y
IC817 BCK
DATA LRCK CONFIRM
(pin2,3,4)
IC801 ACLK
AOUT3 LRCLK CONFIRM
(pin78,71,79)
IC817 pin
FLOATING CONFIRM
(IC817 NG)
IC817
pin FLOATING CONFIRM
(IC817 NG)
POP NOISE
NOISE
NO PICTURE
MUTE CIRCUIT CONFIRM
Audio PART
Video PART
AUDIO OK
IC801
VIDEO OUTPUT
NORMAL OK?
LOADER CHANGE
OK?
LOADER CHANGE
OK?
IC801 NG
LOADER CHANGE
IC801 - OUTPUT LINE CONFIRM
LPF CONFIRM
pin108 - 120PERIPHERAL
CONFIRM
ACLK AOUT3 LRCLK SIGNAL
LINE CONFIRM
IC817 pinFLOATING CONFIRM
PCMCLK pin16 CONFIRM
PERIPHERAL CIRCUIT
(POWER SUPPLY) CONFIRM
MUTE CIRCUIT/SIGNAL CONFIRM,
DAC-OUTPUT SOCKET
LINE CONFIRM
LOADER CHANGE
OK?
LOADER CHANGE
IC817 pin68 SPDIF
OUTPUT OK?
LOADER CHANGE
NO COLOR or ABNORMAL
X8101 27MHz
OK?
IC801 VIDEO
OUTPUT OK?
IC801 NG
IC801 VIDEO
OUTPUT OK?
IC801 - OUTPUT
LINE CONFIRM
pin108 - 120 PERIPHERAL
CONFIRM
IC817(DAC)or IC817(MPEG)
PERIPHERAL CONFIRM
IC817 or IC817 NG
IC801 - OUTPUT LINE CONFIRM
LPF CONFIRM
pin108 - 120 PERIPHERAL
CONFIRM
CRYSTAL RESONATOR CHANGE
SPDIF MODULE - IC817
pin68 LINE CONFIRM
IC817 pinFLOATING CONFIRM
(IC817 NG)
A PART PICTURE
NOT OUTPUT
Summary of Contents for 137 103 01
Page 47: ...SCHEMATIC DIAGRAM MPEG for AU SS and CA This is a basic schematic diagram 64 65 ...
Page 48: ...SCHEMATIC DIAGRAM MPEG for XE UK This is a basic schematic diagram 66 67 ...
Page 53: ...SANYO Technosound Co Ltd Osaka Japan Apr 01 3500 BB Printed in Japan ...
Page 61: ...MPEG P W BOARD SCHEMATIC DIAGRAM FOR WAVEFORM CHECK This is a basic waveform check 32 33 ...
Page 62: ...AMP P W BOARD SCHEMATIC DIAGRAM FOR WAVEFORM CHECK This is a basic waveform check 34 35 ...
Page 63: ...WIRING DIAGRAM MPEG A SIDE 68 69 ...
Page 64: ...WIRING DIAGRAM MPEG B SIDE 70 71 ...
Page 65: ...WIRING DIAGRAM DG SOCKET POWER SW for AU SS 74 75 DG SOCKET POWER SW ...
Page 66: ...WIRING DIAGRAM FRONT for AU SS 76 77 ...
Page 67: ...WIRING DIAGRAM DG SOCKET POWER SW for XE UK 80 81 DG SOCKET POWER SW SCART SW ...
Page 68: ...WIRING DIAGRAM FRONT for XE UK 82 83 ...
Page 69: ...WIRING DIAGRAM DG SOCKET POWER SW for CA 86 87 DG SOCKET POWER SW ...
Page 70: ...WIRING DIAGRAM FRONT for CA 88 89 ...
Page 72: ...SCHEMATIC DIAGRAM DVD TOP LEFT This is a basic schematic diagram 92 93 ...
Page 73: ...SCHEMATIC DIAGRAM DVD BOTTOM LEFT This is a basic schematic diagram 94 95 ...
Page 74: ...SCHEMATIC DIAGRAM DVD TOP RIGHT This is a basic schematic diagram 96 97 ...
Page 75: ...SCHEMATIC DIAGRAM DVD BOTTOM RIGHT This is a basic schematic diagram 98 99 ...