Sony XVM-H6 Service Manual ▷ View online
5
XVM-H6
13
Connection diagram
Standard connections
Refer to the diagram for the proper connections.
You can make connections shown in A area. Please ask a qualified technician for the
other connections.
Refer to the diagram for the proper connections.
You can make connections shown in A area. Please ask a qualified technician for the
other connections.
To additional monitor
(OUT) (optional)
(OUT) (optional)
Rear
Headrest Monitor
*
1
DVD Changer DVX-
100 (optional)
100 (optional)
OUT
IN
Connection Box
XA-116
XA-116
Front
Extension cable (5 m)
4 Pin Power
connector
connector
Fuse 0.1 A
Fuse 3 A
(Yellow) (5 m)
(Blue) (1 m)
(Red) (5 m)
To a metal
surface of the
car chassis
surface of the
car chassis
To car battery
(12 V)
(12 V)
To ignition
switch
(ACC position)
switch
(ACC position)
Media Center/FM/AM
Receiver XAV-7W
(optional)
Receiver XAV-7W
(optional)
A
Power supply cord
To Video input
To Video output
To Audio
input L/R
input L/R
*
1
Video signals of DVX-100 are
output to XVM-H6, and audio
signals are output to XAV-7W.
output to XVM-H6, and audio
signals are output to XAV-7W.
*
2
RCA pin cord (optional)
To Video
output
output
To Video
input
input
To Video input
To Audio
output L/R
output L/R
*
2
*
2
*
2
*
2
6
XVM-H6
SECTION 2
DISASSEMBLY
Note : This set can be disassemble according to the following sequence.
Note : Follow the disassembly procedure in the numerical order given.
2-1. BOTTOM CABINET
2-1.
BOTTOM CABINET
(Page 6)
(Page 6)
SET
2-2.
DISPLAY BOARD
(Page 7)
(Page 7)
2-3.
LIQUID CRYSTAL DISPLAY PANEL
(LCD1)
(Page 7)
(LCD1)
(Page 7)
1
screw P 2x5
2
screw tapping P 2x6
5
bottom cabinet
3
claw
4
claw
7
XVM-H6
2-2. DISPLAY BOARD
2-3. LIQUID CRYSTAL DISPLAY PANEL (LCD1)
4
screw B 2x3
5
DISPLAY board
3
Removal the solder.
2
U6
1
M1
1
screw I 2x3
2
bracket
4
insulation plate B
3
LCD1
8
XVM-H6
SECTION 3
ELECTRICAL ADJUSTMENTS
When measuring, the ground should be connected to the ground (frame of 15-pin connector connected to external device) in the monitor
board unless otherwise specified.
board unless otherwise specified.
3-1. EQUIPMENT USED
The following measuring equipment are used for these electrical adjustments:
• Oscilloscope
• NTSC pattern generator
• Stabilized power supply
• Digital voltmeter
• Frequency counter
• Connection box (XA-116)
• Oscilloscope
• NTSC pattern generator
• Stabilized power supply
• Digital voltmeter
• Frequency counter
• Connection box (XA-116)
3-2. CONNECTION OF EQUIPMENT
3-3. 5V ADJUSTMENT
1. Display gray scale on the monitor screen.
2. Connect digital voltmeter to the C320 position of L305.
3. Adjust VR+5 so that the reading on the voltmeter stands at the specified value.
2. Connect digital voltmeter to the C320 position of L305.
3. Adjust VR+5 so that the reading on the voltmeter stands at the specified value.
Specified value: 5.00 ± 0.05 V
3-4. FREQUENCY ADJUSTMENT
This frequency adjustment on the DC-DC converter is only performed if there is switching noise mixed on the screen.
Adjust the semi-fixed resistor VFRQ to a position in which no noise appears on the screen.
3-5. PLL FREE RUN FREQUENCY ADJUSTMENT
1. Make the input signal no signal.
2. Connect frequency counter to pin 56 of IC U2.
3. Adjust the semi-fixed resistor VFREQ until the frequency is at 15895 ± 20 Hz.
2. Connect frequency counter to pin 56 of IC U2.
3. Adjust the semi-fixed resistor VFREQ until the frequency is at 15895 ± 20 Hz.
VIDEO IN
VIDEO
G
N
D
N
D
B+
NTSC
pattern generator
connection box
XA-116
monitor
XVM-H6
stabilized
power supply
14.4V
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