DOWNLOAD Sony MV-900SDS / XVM-R90D Service Manual ↓ Size: 3.69 MB | Pages: 70 in PDF or view online for FREE

Name: Sony MV-900SDS / XVM-R90D
Brand: Sony
SKU: 7904
Rating: 4 (1 reviews)

Model: MV-900SDS XVM-R90D
Pages: 70
Size: 3.69 MB
Type: PDF
Document: Service Manual
Brand: Sony
Device: Car Audio
File: mv-900sds-xvm-r90d.pdf
Date: 2018-11-20

PREV: Sony CDX-V5800 (serv.man2) Service Manual

Sony MV-900SDS / XVM-R90D Service Manual ▷ View online

13
XVM-R90D
5. NTSC  SUB  CARRIER  CHECK
Setting:
Procedure:
1. Connect a frequency counter (high impedance) to the TP510
and TP513 on the MONITOR board.
2. Check that the voltage between TP951 (–) and TP952 (+) is
14.4 V.  Press the [POWER] button to turn the power on.
3. In the normal mode, press the [INPUT]  key on the remote
commander to select the “VIDEO” mode.
4. Input NTSC video signal to the “VIDEO INPUT” jack (J701
on the VIDEO (IN) board).
5. Check that the value of frequency counter is 3.579545 MHz
±100 Hz.
6. PAL  SUB  CARRIER  CHECK
Setting:
Procedure:
1. Connect a frequency counter (high impedance) to the TP510
and TP513 on the MONITOR board.
2. Check that the voltage between TP951 (–) and TP952 (+) is
14.4 V.  Press the [POWER] button to turn the power on.
3. In the normal mode, press the [INPUT]  key on the remote
commander to select the “VIDEO” mode.
4. Input PAL video signal to the “VIDEO INPUT” jack (J701 on
the VIDEO (IN) board).
5. Check that the value of frequency counter is 4.433619 MHz
±100 Hz.
7. V-COM  ADJUSTMENT
Setting:
Procedure:
– Voltage Set-up Adjustment –
1. Connect an oscilloscope to the TP819 and TP832 on the
MONITOR board.
2. Check that the voltage between TP951 (–) and TP952 (+) is
14.4 V.  Press the [POWER] button to turn the power on.
3. Enter the test mode, and enter the “2. FOR FACTORY” mode.
(refer to “4. TEST MODE”)
4. Press the [MENU]  button to display “Com Gain”, and press
the [REVERSE] button.
5. Adjust by pressing the [+]/ 
–
  buttons so that the voltage of
oscilloscope becomes 6.3 Vp-p 
±0.1 V.
6. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
– Waveform Position Set-up Adjustment –
7. Adjust the RV802 on the MONITOR board so that A value
of waveform becomes –1.7 V 
±0.1 V.
8. VIDEO  ADJUSTMENT
Note:
 Perform the following adjustment items in test mode.
Common Setting:
1. Check that the voltage between TP951 (–) and TP952 (+) is
14.4 V.  Press the [POWER] button to turn the power on.
2. Enter the test mode, and enter the “2. FOR FACTORY” mode.
(refer to “4. TEST MODE”)
3. Set the signal format system to NTSC. (refer to “4. TEST
MODE”)
4. Input 10 steps signal (NTSC, without burst) to the VIDEO
INPUT jack (J301 on the POWER board) from pattern
generator.
Waveform of input signal
fig. 8-1
Waveform of output signal
(TP810, TP811, TP812)
fig. 8-2
1
Contrast Level of Luminance Signal
Setting:
Procedure:
1. Connect an oscilloscope to the TP513 and TP811 on the
MONITOR board.
2. Press the [MENU] button to display “Y Gain”, and press the
[REVERSE] button.
3. Adjust by pressing the [+]/ 
–
  buttons so that the D value of
waveform (fig. 8-2) becomes 3.4 V       V.
4. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
+
–
frequency counter
MONITOR board
TP510
TP513
+
–
frequency counter
MONITOR board
TP510
TP513
+
–
oscilloscope
MONITOR board
TP819
TP832
6.3 Vp-p 
±
 0.1 V
4.6 V 
±
 0.1 V
A
 : – 1.7 V 
±
 0.1 V
0 V
0.286 V
1 Vp-p
0 V
A B
C D E
+
–
oscilloscope
MONITOR board
TP811
TP513
+0.2
–0.1

14
XVM-R90D
2
Back Limiter Level
Procedure:
1. In the “1 Contrast Level of Luminance Signal” status, press
the  [MENU]  utton to display “Black Limit”, and press the
[REVERSE] button.
2. Adjust by pressing the [+]/ 
–
  buttons so that the A value of
waveform (fig. 8-2) becomes 1.0 V       V.
3. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
3
White Limiter Level
Procedure:
1. In the “2 Black Limiter Level” status, press the [MENU] button
to display “White Limit”, and press the [REVERSE] button.
2. Adjust by pressing the [+]/ 
–
  buttons so that the E value of
waveform (fig. 8-2) becomes 3.9 V       V.
3. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
4
R-sub Bright
Procedure:
1. In  the “3   White Limiter Level” status, connect the
oscilloscope to the TP513 and TP810 on the MONITOR board.
2. Press the [MENU] button to display “R-Sub BRT”, and press
the [REVERSE] button.
3. Adjust by pressing the [+]/ 
–
  buttons so that the A value of
waveform (fig. 8-2) becomes 1.0 V       V.
4. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
5
B-sub Bright
Procedure:
1. In the “4 R-sub Bright” status, connect the oscilloscope to
the TP513 and TP812 on the MONITOR board.
2. Press the [MENU] button to display “B-Sub BRT”, and press
the [REVERSE] button.
3. Adjust by pressing the [+]/ 
–
  buttons so that the A value of
waveform (fig. 8-2) becomes 1.0 V       V.
4. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
6
R-ch Sub Contrast
Procedure:
1. In the “5 B-sub Bright” status, connect the oscilloscope to
the TP513 and TP810 on the MONITOR board.
2. Press the [MENU] button to display “R-Sub CONT”, and press
the [REVERSE] button.
3. Adjust by pressing the [+]/ 
–
  buttons so that the D value of
waveform (fig. 8-2) becomes 3.4 V      V.
4. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
7
B-ch Sub Contrast
Procedure:
1. In the “6 R-ch Sub Contrast” status, connect the oscilloscope
to the TP513 and TP812 on the MONITOR board.
2. Press the [MENU] button to display “B-Sub CONT”, and press
the [REVERSE] button.
3. Adjust by pressing the [+]/ 
–
  buttons so that the D value of
waveform (fig. 8-2) becomes 3.4 V       V.
4. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
8
Gamma 1
Procedure:
1. In the “7 B-ch Sub Contrast” status, connect the oscilloscope
to the TP513 and TP811 on the MONITOR board.
2. Press the [MENU] button to display “Gamma 1”, and press the
[REVERSE] button.
3. Adjust by pressing the [+]/ 
–
  buttons so that the B value of
waveform (fig. 8-2) becomes 1.9 V       V.
4. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
9
Gamma 2
Procedure:
1. In the “8 Gamma 1” status, press the [MENU] button to display
“Gamma 2”, and press the [REVERSE] button.
2. Adjust by pressing the [+]/ 
–
  buttons so that the C value of
waveform (fig. 8-2) becomes 3.1 V       V.
3. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
q;
VCO Free Run
Setting:
Procedure:
1. In the “9 Gamma 2” status, connect a frequency counter to
the TP506 and TP513 on the MONITOR board.
2. Press the [MENU] button to display “VCO Free Run”, and press
the [REVERSE] button.
3. Adjust by pressing the [+]/ 
–
    buttons so that the value of
frequency counter becomes 15.734 kHz 
±50 Hz.
4. Confirm that the displayed screen is normally display.
5. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
qa
Vertical Position
Procedure:
1. In the “q; VCO Free Run” status, input the monoscope signal
to the VIDEO INPUT jack (J301 on the POWER board).
2. Press the [MENU] button to display “PLL/V Pos”, and press
the [REVERSE] button.
3. Adjust by pressing the [+]/ 
–
  buttons so that the vertical position
of screen on the monitor becomes the most suitable.
4. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
qs
Horizontal Position
Procedure:
1. In the “qa Vertical Position” status, press the [MENU] button
to display “H Pos”, and press the [REVERSE] button.
2. Adjust by pressing the [+]/ 
–
  buttons so that the horizontal
position of screen on the monitor becomes the most suitable.
3. Press the [REVERSE] button and write the date to EEPROM
(IC402 on the MONITOR board).
+
–
frequency counter
MONITOR board
TP506
TP513
+0.2
–0.1
+0.2
–0.1
+0.2
–0.1
+0.2
–0.1
+0.2
–0.1
+0.2
–0.1
+0.2
–0.1
+0.2
–0.1

15
XVM-R90D
Adjustment Location:
– LCD BOARD (Side A) –
RV601
RV802
RV803
RV801
TP853
TP983
– LCD BOARD (Side B) –
TP854
TP506
TP952 (+)
TP951 (
−
)
TP513
TP805
TP807
TP804
TP802
TP811
TP828
TP812
TP810
TP601
TP602
TP510
TP405
TP987
TP832
TP808
TP819
TP806
TP403

XVM-R90D
17
17
XVM-R90D
DA-BE
CK-BE
CS-BE
DA-BE
CK-BE
CS-BE
LOW-PASS
FILTER
IC701
: DVD (VIDEO)
: DIGITAL OUT
: DVD (AUDIO)
: CHECK OUT
: CHECK IN
145
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
+8V
HD0 – HD15
+5V
B+8V
B+5V
DVD MECHANISM
DECK BLOCK
198
XLWRLL
RST
XHRST
HDO – HD15
144
HINTJ
HIRQ
155
HA1
HA1
154
HA0
HA0
158
HA2
HA2
146
IORDY
HIORDY
149
IOWJ
XHWR
150
IORJ
XHRD
152
HCS1J
XHCS1FX
151
HCS16J
XHIOCS16
153
HCS3J
HCS3FX
166
ENDSW
ENDSW
2 DATA
16 SCK
1 BCK
R-CH
L-CH_AU
3 LRCK
15 ML
14 MC
13 MD
MPEG DECODER
IC1
EEPROM
IC5
D/A CONVERTER
IC7
114
VBS
113
Y
108
B-Y
106
R-Y
CVBS
CVBS,
Y, B-Y, R-Y
Y
B-Y
R-Y
33
DAC DATA
41
SPDIF
OPTICAL
TRANSCEIVER
J301
FLASH ROM
IC3
DQ0 - DQ14
A–1, A0 - A18
RESET SIGNAL
GENERATOR
IC2
7
VOUTL
R-CH
8
VOUTR
24
XRESET
12
XRST
11
ZEROR
39
DAC MCLK
40
DAC BCK
32
DAC LRCK
165
DAC ML
143
DAC MC
118
DAC MD
122 – 128, 
131 – 137, 140, 141
MUTING
Q702, 704
DELAY
D13, Q3
MUTING
SWITCH
Q1, 2
OPTICAL
OUTPUT
142 MS SDIO
117 MC SCLK
167 MS BS
119 MS INS
B+3.6V
MS SDIO
MC SCLK
MS BS
MS INS
VCC
VCC
MEMORY
STICK
 178 - 182, 185 - 191,
194 - 196
77 - 82, 85 - 90,
93 - 96
204 - 207, 2-7,
10 - 16, 19 - 21
45, 25, 24 - 16,
8 - 1, 48
29 - 36, 38 - 44
176
XLCS3
170
XLOE
28
XOE
26
XCE
11
XWE
74
DBANK1
73
DBANK0
SD-RAM
IC6
DQ0 - DQ15
A0 - A11
DB0 - DB15
DMA0 - DMA11
LD0 - LD14
LA0 - LA19
B+5V
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
53 - 58,
61 - 66
22 - 26,
29 - 25, 22
69
XDCAS
72
XDRAS0
18
XRAS0
17
XCAS
20
BA0
21
BA1
71
XDWE
100
XDCS0
70
DSCK_EN
102
DSCK
38
CLK
37
CKE
19
XCS
16
XWE
101
DQM
168
169
162
39
DQMH
160
SDA
5
SDA
161
SCL
4
SCL
A
B
DA-BE, CK-BE,
CS-BE
C
SECTION  6
DIAGRAMS
6-1. BLOCK  DIAGRAM  – MPEG DECODER Section –
(Page 19)
(Page 18)
(Page 18)

Display

Click on the first or last page to see other MV-900SDS / XVM-R90D service manuals if exist.

RANDOM: