Read Sony XVM-R75 Service Manual online
7
7
XVM-R75
2-3. BLOCK DIAGRAM — RGB (DISPLAY) SECTION —
1
2
17
18
16
15
41
42
40
39
34
35
13
11
1
12
3
4
5
41
25
27
20
39
38
37
36
48
3
19
20
COMMAND
INPUT
OUTPUT
INT/EXT
SW
GAMMA
INV
RAM
CONT
MEMORY CONT
V/H
CONT
OSC
CONT
INPUT
REG
PWM
REG
12-BIT
PWM
4-BIT
MULTIPLEXER
8-BIT
PWM
PWM
LOWER
BYTE
REG
UPPER
BYTE
REG
1/2
DIVIDER
SYNC
INPUT
ADDRESS
CONT
VRAM
CG-ROM
GAMMA
INV
19
21
GAMMA
INV
PIC
INV
VCO
24
28
38
3
5
1
2
15
4
14
12
9 10 11
13
9 10 11
9
8
10
MATRIX
DEMOD
SW
COLOR
SYNC
SEPA
SW
PHASE
SHIFT
TINT
30
1
8
2
6
3
4
32
33
14
16
13
27
26
29
5
3
6
12
10
9
2
31
BUFF
Q603
Q603
BUFF
Q602
Q602
+3.3V REG
Q610
5
1
15
2
13
14
12
VDD (+3.3V)
VCC
BUFF
Q660
Q660
BUFF
Q18
VCOL
VBRI
VGA2
VGA1
VCNT
VPIC
SYNC IN
SYNC OUT
SYNC S
XSCK
VSYNC
HSYNC
CSYNC
OSDCS
XSIN
RC3/SCK/SCL
RC6/TX/CK
RC4/SDI/SDA
RB4
RB3
RB2
RB1
UC CS
UC WR
UC SIN
UC SCK
29
RC7/RX/DT
NPC
XSIN
OSDCS
XSCK
SYSTEM CONTROL
U505 (3/4)
OTHER CHANNELS
COLOR
CONT
BRIGHT
TINT
D410
D411
D412
D413
Y1 4.43MHz
Y3
4MHz
Y2 3.58MHz
A
B
C
Y/C SELECT
U1
B13 (2/2)
Q501
Q502
Q503
SCLK
CS
SIN
VSYNC
HSYNC
CHARACTER
GENERATOR
GENERATOR
U503
RGB DECODER
U600
SYNC SWITCH
U601
EVR,DATA DECODER
U502
COM FRP
CVBS
COM OUT
BLK
BLUE
GREEN
RED
VRGB
VSUB
VSUR
VLOW
VCOM
VHIG
VEE
VEE
SELECTOR
U602
37
R IN
VC0
VC1
VC2
BLKA
G IN
B IN
R
G
B
SW
Q604
A
B
C
COM OUT
COMFRP
FRP
VCOIN
VCOIN
TINT
BRIGHT
CIN
VIN
COLOR
CMA
COM
B-Y
R-Y
GAMMA0
GAMMA2
MAIN
SECTION
B
LCD
(DISPLAY)
SECTION
D
LCD
(DISPLAY)
SECTION
G
LCD
(DISPLAY)
SECTION
F
LCD
(DISPLAY)
SECTION
E
LCD
(DISPLAY)
SECTION
C
AUDIO
VIDEO
INPUT-2,3
CONNECTION
BOX
• Signal path
: VIDEO
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(Page 8)
(Page 8)
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