Marantz DV9600, Service Manual

Page: 58 / 207

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4. HDMI PWB (PD01)
4.1 Check the Scaler.
Check the soldering of LW01-LW03,
QW01 and QW81-QW83.
Are the SC+3.3V_1, SC+2.5V_1 and
SC+1.2V_1 voltage lines of QW01
normal?
Check the input voltage of QW81-QW83.
Check the VD_PSW level. VD_PSW=L
Replace QW81, QW82 or
QW83.
Check the soldering of JQ02, JK02 (8pin)
and QU01 (1pin).
Check the soldering of QW01, RW12.
Is the reset signal of QW01 H?
RW12 VRST_3=H
Check the soldering of JW02, JK02 (2pin)
and QU01 (24pin).
Check the soldering of JW01, JK01,
RW01-RW06, RW09, RW17, RW38 and
QW01.
Are the digital data input signals normal?
PY_2
䇼
0-9
䇽
, SDCLK_2, SDHSYNC_2,
SDVSYNC_2, DE.
Check the soldering of QK05-QK06,
QK13 and circumference components of
QK14.
Check the input signals of
QK04-QK06.
Check the voltage
line QK04-QK06.
Refer to “3.4 check the
DIGITAL VIDEO OUTPUT”
Replace
QK04-QK06.
Refer to Scaler 2
NG
OK
NG
OK
NG
OK
OK
OK
OK NG
OK
OK
OK
OK
NG
Is the voltage lines of
QW05 normal?
19, 20pin
䋨
SC+2.5V_1)
18pin (SC+3.3V_1)
NG
Check the soldering
of QW05, CW48-
䌃
䌗
50.
Is the signal of QW05 H?
10pin (CONFIGDONE)=H
OK
NG
Check the soldering
of RW18-R
䌗
21 and
RW23.
Replace QW05.
NG
NG
OK
#HECKTHESOLDERING
OF272
䌗
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