E1-8-12
FLOW CHART NO.13
Hi-Fi audio does not operate normally.
Check the periphery circuit of the front input
terminal (JK651, JK652).
Check the periphery circuit of the rear input
terminal (JK101).
Check the periphery circuit of the rear input
terminal (JK102).
Check the circuit of P-ON+5V and P-ON+9V.
Is the SIF signal outputted from Pin(22) of the tuner?
Is the SIF signal outputted from Pin(2) of IC1?
Is the Audio signal outputted
from Pins(30,31) of IC1?
Replace IC1.
Is the 5V voltage supplied to Pins(15,32,36,46) of
IC451, or the 9V voltage to Pin(3) of IC451?
Is the Serial data and the Clock signal supplied to
Pins(38,39) of IC451?
Is the Audio signal outputted to Pins(75,76) of
IC451?
Is the Audio signal inputted into Pins(2,12) of
IC751?
Is the Audio signal outputted into Pins(14,15) of
IC751?
Is each signal supplied to each pin of IC451 as below?
Front input terminal
L-ch
R-ch
Pin(9)
Pin(71)
Pin(7)
Pin(69)
Pin(11)
Pin(73)
Pin(53)
Pin(51)
Rear input 1 terminal
Rear input 2 terminal
Tuner audio signal
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Check the line between Pin(2)
of IC1 and Pin(22) of tuner.
Check the line between Pins(30,31) of IC1 and
Pins(51,53) of tuner.
Check the line between Pins(38,39) of IC451 and
Pins(71,72) of IC501.
Check the line between Pins(77,80) of IC451 and
Pins(5,12) of IC751.
Is approx. 10V voltage supplied to Pin(16)
of IC751, or approx. -8V voltage supplied to
Pin(7) of IC751?
Check Q752 and the OUTPUT
SELECT line.
Replace
IC751.
Check the AL+12V line (R752, D751)
and the AL-30V line (R751,R753).
Check the line between Pins(14,15) of IC751 and
the audio output terminal (JK754, JK755).
Replace IC451.
Replace the
tuner.
Is the "L" pulse inputted into the Pins(9,10,11) of
IC751?
Summary of Contents for DVPF2E
Page 45: ...E2 2 6 S 12 19 Cap Belt Fig DM11 Fig DM12 20 C 1 21 ...
Page 69: ...4 1 4 Main 1 8 Schematic Diagram ...
Page 71: ...4 1 6 Main 3 8 Schematic Diagram ...
Page 72: ...4 1 7 Main 4 8 Schematic Diagram ...
Page 73: ...4 1 8 Main 5 8 Schematic Diagram ...
Page 74: ...4 1 9 Main 6 8 Schematic Diagram ...
Page 76: ...4 1 11 Main 7 8 Schematic Diagram ...
Page 77: ...4 1 12 Main 8 8 Schematic Diagram ...
Page 81: ...4 1 16 AFV Schematic Diagram ...
Page 83: ...4 1 18 Main CBA Bottom View ...
Page 85: ...4 1 20 Function CBA Top View Function CBA Bottom View ...
Page 86: ...4 1 21 Front Jack CBA Top View Front Jack CBA Bottom View ...
Page 89: ...4 1 24 DVD Main 1 4 Schematic Diagram ...
Page 90: ...4 1 25 DVD Main 2 4 Schematic Diagram ...
Page 91: ...4 1 26 DVD Main 3 4 Schematic Diagram ...