6
Is voltage supplied
Via CN11?
The voltage of #1 of
IC11 is 5.7V and stable
The voltage of #1 of IC11
fluctuate
in 4.8V~5.7V
Measure resistance
between GND of CN21
and each terminal
of CN21
The 12DC of each
wire of T11 is ok
Primary parts is ok
Secondary parts ok
Change T11
Change parts
out of order
YES
NO
YES
Resistance >> 100
Ω
YES
YES
NO
Check F801, L801,
D802
NO
Check the secondary
circuit
YES
YES
Check the pattern
and T11, L11, IC11
NO
NO
Terminal open and
measure the output
Voltage
Change parts
out of order
The voltage
is ok
Check the
parts outside
module
Check the Diode,
Condenser inside
Module
NO
NO
No Voltage
output
Summary of Contents for DV-K11WZ-PB/A
Page 30: ...27 6 CIRCUIT DIAGRAM CONNECTION DIAGRAM...
Page 31: ...28 POWER CIRCUIT DIAGRAM...
Page 32: ...29 SERVO SYSCON CIRCUIT DIAGRAM...
Page 33: ...30 VIDEO HEAD AMP CIRCUIT DIAGRAM...
Page 34: ...31 AUDIO CIRCUIT DIAGRAM...
Page 35: ...32 HI FI AUDIO CIRCUIT DIAGRAM...
Page 36: ...33 KARAOKE CIRCUIT DIAGRAM...
Page 37: ...34 LOGIC SW CIRCUIT DIAGRAM...
