Sony XVM-R75 Service Manual ▷ View online
5
5
XVM-R75
2-1. BLOCK DIAGRAM — MAIN SECTION —
3
1
2
4
7
AL IN
R-CH
R-CH
R-CH
CSBS B
BATT 1
ACC DET
PIC CS
REM OUT1
CONTROL
OUTPUT
(IR)
AR IN
1
2
2
1
3
1
2
7
11
16
14
15
36
4
6
32
9
43
5
42
6
8
24
21
23
31
30
44
5
8
18
22
4
5
7
1
VIN1
VOUT1
BATT
SI
(PANEL OPEN LIMIT)
SWI
(PANEL CLOSE LIMIT)
Q12
Q10
Q13
7
B+ SWITCH
U6
MUTE
DRIVER
Q20,21
SOLENOID
DRIVER
Q10,11
+5V REG
U501
MUTE
DRIVER
Q3,15
BUFF
Q23
BUFF
Q9
REMOTE
CONTROL
RECEIVER
IR10
BUFF
Q22
B+ SWITCH
U7
+10V REG
U5
+6.5V REG
Q4
DISPLAY
SW
Q16,17
+8V REG
U21
BATT
+5VB
R-CH
10V
B+12V
+8V
BATT
REMOTE SW
Q2
F1
(BLUE)
AUDIO
VIDEO
OUTPUT
CSBS
AUDIO L
(WHITE)
(WHITE)
AUDIO R
(RED)
(RED)
AUDIO
VIDEO
INPUT-I
(DVD)
VIDEO
(YELLOW)
(YELLOW)
AUDIO L
(WHITE)
(WHITE)
AUDIO R
(RED)
(RED)
VIDEO SELECT
U16
LINE IN SELECT
U19
B13 (1/2)
BATT
RE2/AN7
RCO/T1S0/T1CKI
OSC1/CLKIN
OSC2/CLKOUT
RB0/INT
RA1/AN1
RA3/AN3
RD5/PSP5
RD4/PSP4
RB7
RD2/PSP2
RD0/PSP0
RD3/PSP3
RA4/TOCKI
RC1/TISV/CCP2
RB5
RB6
RE0/AN5
RD6/PSP6
Q505
Y4
4MHz
SYSTEM CONTROL
U505 (1/4)
SW
AMP
VIV2
VIN1
VOUT
SW
AMP
VIV2
VIN1
VOUT
EVR
U1
LINE AMP
U11
VR5
LINE LEVEL L
S1
OPEN/CLOSE
MUTE
Q14
MUTE
Q18
R-CH
R-CH
R-CH
HEADPHONE AMP
U20
1
2
3
4
5
6
VCC2
6.5V
5VB
SDA
SCL
Q5
Q8
Q6
Q1
EEPROM
U12
SW1
POWER
SELECT
SELECT
B
A
BATT
BATT
OUT1
OUT2
IN1
IN3
MOTOR DRIVE
U8
M1
OPEN/CLOSE
3
PANEL
LOCK
SOLENOID
AUDIO
VIDEO
INPUT-2,3
CONNECTION
BOX
AUDIO L
(WHITE)
(WHITE)
AUDIO R
(RED)
(RED)
AUDIO
VIDEO
OUTPUT
VIDEO
(YELLOW)
(YELLOW)
AUDIO
VIDEO
INPUT-1
(DVD)
AUDIO
VIDEO
INPUT-2,3
CONNECTION
BOX
B11
B12
J2
i
J3
i
LOGIC
B8
B/L (DISPLAY)
SECTION
A
RGB (DISPLAY)
SECTION
B
• Signal path
: AUDIO
: VIDEO
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 6)
(Page 7)
6
6
XVM-R75
2-2. BLOCK DIAGRAM — B/L (DISPLAY) SECTION —
24
12
8
11
16
15
1
15
20
6
11
9
2
VCO
+5V REG
U14
CURRENT
DETECT
Q37
BUFF
1
16
4
VCO
BUFF
FLIP
FLOP
PWM
SW
14
SWITCHNG
Q38,39
+11V REG
Q1,3
KEY MATRIX
K1-K5
SWITCHNG
Q35
SWITCHNG
Q36
19
3
VR19
AUDIO
LEVEL
L
VR18
AUDIO
LEVEL
R
VDD(2)
VDD(1
TRIN(2)
VCO OUT(2)
AL IN
AR IN
VCO OUT (1)
RES(2)
TRIN(1)
RES1
AUDIO LEVEL
U13
SYSTEM CONTROL
U505 (2/4)
BATT
RD3/PSP3
TFT ON
RC2/CCP1
DIMMER
RA0/AN0
KEY0
FT ON SW
Q40,41
D15-17
D18-20
LED
DRIVER
Q25
D15-20
(AUDIO LEVEL)
B+12V
F3
BACK LIGHT CONTROL
U17
VCC
C1
C2
BACK
LIGHT
D31
D34
L20
LED DRIVER
Q24
B+12V
MAIN
SECTION
A
(Page 5)
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
(Page 5)
(Page 8)
(Page 8)
(Page 8)
(Page 8)
(Page 8)
8
8
XVM-R75
2-4. BLOCK DIAGRAM — LCD (DISPLAY) SECTION —
25
28
46
26
10
29
4
2
3
5
7
48
51
SYNC
DETECT
QM701,Q770
SYNC
SEPA
56
58
61
41
EQUIVALENT
PULSE DELETE
PHASE
COMPARATOR
VCO
U704
SW
SW
SW
FIELD
DESTINATION
CONTROL/
PORARITY
PORARITY
COMPENSATOR
HD FOR
CHROMA
HORIZONTAL
DECODER(1)
VERTICAL
COUNTER(1)
VERTICAL
DECODER(1)
PLL
RESET
OSC
CLOCK
DIVIDER
RESET
U702
CLOCK
SELECT
VERTICAL
COUNTER(2)
VERTICAL
DECODER(2)
HORIZONTAL
COUNTER(1)
HORIZONTAL
DECODER(2)
HORIZONTAL
COUNTER(2)
6
11
8
1
7
6
5
63
17
13
16
COM FRP
VDD
5
7
6
3
2
COM OUT
BLK
VSYNC
HSYNC
CSYNC
BUFFER
Q15
BOOSTER
Q701,702
VCDC
1
9
B+12V
1
2
7
3
OUTPUT
U.Y.LO
F2
VR20
SWITCHING
QM2
SWITCHING
QM301
RC5/SDO
RE1/AN6
PC7/RX/DT
ZOOM
SIDE1
NPC
ZOOM
SIDE1
PN
SYNC
VSYNC
BLK
RESET
VIN
HDOUT1
L5
D3
D1
D4
D5
D6
VSS
VGH
VEE
VCC
VSS
VDD
VDD
VGH
VEE
VB
VR1
RED
GREEN
BLUE
RED
GREEN
BLUE
DEV2
CPV
DEV3
DEV1
DEH
STV1
STV2
STH2
STH1
VCOM
CPH1
DEV2
POL2
VCOO
VCOM
PD
CPV
DEV3
DEV1
DEH
STV
STH
CPH1
SELECTOR
U4
LCD PANEL
LCD1
COM OSC
U701
DISPLAY CONTROL
U705
U505 (4/4)
SWITCHING REGULATOR
U3
PWP
COMP
VCC
OUT1
IN1+
C1
RT
ERROR AMP
VGH
VFRER
RGB
(DISPLAY)
SECTION
RGB
(DISPLAY)
SECTION
RGB
(DISPLAY)
SECTION
C
F
RGB
(DISPLAY)
SECTION
E
RGB
(DISPLAY)
SECTION
D
G
(Page 7)
(Page 7)
(Page 7)
(Page 7)
(Page 7)
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