3-3
3. No Audio Output in DISC Play.
Check R120,FFC CABLE
signal flow.
YES
Check IC704 power supply
and ambient circuits.
NO
No output of IC710.
IC704 -46:HIGH ?
(LOW:AUDIO MUTE )
IC710 -1 :LOW?
(DAC RESET status)
PN6701
-26 :LOW status in the Tuner
Mode?(ADC1_SEL)
Is
IC710 -8,9 :I2C signal normal?
Is
IC710 -3,4,5,6:signal normal?
Check IC2084 -11, 38 signal
flow.
Check IC 2072 -2,3,18,19
Check R1A1,R118,R119,R121
Check IC710 power and
ambient circuits
Check IC714 power supply
and ambient circuits.
Check IC2078 16PIN,R264
NO
NO
NO
Is
PN6701 -2 signal normal?
Check TR701,JK704
power and ambient circuits.
Check IC711 power, ambient
circuits.
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
4. No Optical / Digital Audio Output
Summary of Contents for DVR313 Series
Page 28: ...3 23 3 24 CIRCUIT DIAGRAMS 1 POWER CIRCUIT DIAGRAM 03 02 22 R17171A...
Page 29: ...3 25 3 26 2 FRONT CIRCUIT DIAGRAM...
Page 30: ...3 27 3 28 3 E5 BGA POWER UART2 CIRCUIT DIAGRAM 03 02 22 R17161A...
Page 31: ...3 29 3 30 4 DDR SDRAM FLASH CIRCUIT DIAGRAM 03 02 22 R17171A...
Page 32: ...3 31 3 32 5 RST CONTROL STATUS REG ATAPI HOST CPLD LATCH CIRCUIT DIAGRAM 03 02 22 R17162A...
Page 33: ...3 33 3 34 6 1394 ETHERNET CONNECTOR CIRCUIT DIAGRAM 03 02 22 R17163A...
Page 34: ...3 35 3 36 7 VIDEO IN OUT CIRCUIT DIAGRAM 03 02 22 R17164A...
Page 35: ...3 37 3 38 8 AUDIO IN OUT NON STD VIDEO CIRCUIT DIAGRAM 03 02 22 R17165A...
Page 36: ...3 39 3 40 9 A V 1394 IN JACK CIRCUIT DIAGRAM 03 02 22 R17170A...
Page 37: ...3 41 3 42 10 AUDIO IN OUT CIRCUIT DIAGRAM 03 02 22 R17166A...
Page 38: ...3 43 3 44 11 I O MICOM CIRCUIT DIAGRAM 03 03 31 R17167B...
Page 39: ...3 45 3 46 03 03 31 R17168B 12 TUNER VIDEO IN OUT CIRCUIT DIAGRAM...
Page 43: ...3 53 3 54 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE LOCATION GUIDE...
Page 44: ...3 55 3 56 2 MAIN P C BOARD BOTTOM SIDE LOCATION GUIDE...
Page 45: ...3 57 3 58 3 I O P C BOARD LOCATION GUIDE 4 JACK P C BOARD...
Page 46: ...6 KEY P C BOARD 3 59 3 60 5 FRONT P C BOARD LOCATION GUIDE Solder Side...
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