Sony XVM-R75 Service Manual ▷ View online
9
XVM-R75
2-5. IC BLOCK DIAGRAMS
U1 PT2257-S (MAIN Board) (1/2)
U13 HS-9913-ST (DISPLAY Board) (1/3)
U17 KIA494AF (DISPLAY Board) (1/3)
VR 2
VR 1
VIN1
VOUT1
GND
DATA
VIN2
VOUT2
VCC
CLOCK
7
2
3
4
8
1
REF AMP
VOL AMP 2
VOL AMP 1
6
LOGIC
CONTROL
5
VREF
14
15
16
17
21
22
23
19
20
24
25
18
10
11
12
13
2
3
4
1
9
CONTROL
CIRCUIT
INTERCEPT
CIRCUIT
5
6
7
8
8
OUT3
OUT2
GND
GND
GND
OUT1
VCC2
VR
IN1
IN2
GND
IN3
VCC1
1
2
3
4
5
20
VDD
VSS
VSS
5M
NMOS
GND
(1)TR IN
(1)VCO IN
(1)RES
(1)RES
(1)VSS
(2)TR IN
(2)VCO IN
(2)RES
(2)RES
(2)VSS
(1)VDD
(1)OTC
(1)CAP
(1)CAP
(1)VCO OUT
(2)VDD
(2)OTC
(2)CAP
(2)CAP
(2)VCO OUT
AMP
19
18
17
16
VCO
TR
BUFFER
6
7
8
9
10
15
VDD
5M
NMOS
GND
AMP
14
13
12
11
VCO
TR
BUFFER
2
1
13
14
12
11 10
9
15
16
3
4
5
6
7
8
OSCILLATOR
LOW SUPPLY
VOLTAGE
PROTECTIVE
FLIP-
FLOP
FLOP
REFERENCE
VOLTAGE
Q
P.W.M
Q
Q1
Q2
NON-INV
INPUT
INV INPUT
FEED BACK
DEAD TIME
CONTROL
CT
RT
NON-INV
INPUT
INV INPUT
VREF
OUTPUT
CONTROL
VCC
C2
E2
E1
GND
C1
OFFSET
U8 BA6247FP-Y (MAIN Board) (2/2)
10
XVM-R75
U505 PIC16C77-04/L (MAIN Board) (2/2)
TIMER 2
PORT A
RA1/AN1
RA2/AN2
RA3/AN3/VR
PORT B
PORT C
RD0
PORT D
PORT E
EPROM
PROGRAM
MEMORY
2K x 14
INSTRUCTION REG
INSTRUCTION
DECODE &
CONTROL
TIMING
GENERATION
TIMER 1
TIMER 0
SYNCHRONOUS
SERIAL PORT
A/D
CCP1
POWER-UP
TIMER
POWER-UP
RESET
WATCHDOG
TIMER
BROWN-OUT
RESET
OSCILLATOR
START-UP TIMER
FSR REG
STATUS REG
ADDRESS MUX
MUX
ALLI
8 LEVEL STACK
(13-BIT)
RAM
FILE
REGISTERS
128 x 8
W REG
PROGRAM COUNTER
13
8
7
14
8
9
8
3
8
MCLR
NC1
MCLR
RA0/AN0
RB4
RB5
RB6
RB7
RB4
RB5
RB6
RB7
MCLR
RA0
RA1
RA2
RA3
NC2
RC3/SCK/SCL
RC2/CCP1
RC1/T1SV/CCP2
RD0/PSP0
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
RD3/PSP3
RD2/PSP2
RD1/PSP1
NC3
RC6
RC5
RC4
RD3
RD2
RD1
RD0
RC3
RC2
RC1
RB1
RB2
RB2
RB3
VSS1
VDD1
RB0/INT
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD6/PSP6
RD7/PSP7
RC7/RX/DT
RE0/AN5
RA5/AN4
RA5/AN4
RA4/TOCKI
VDD2
RE2/AN7
RE2/AN7
RE1/AN6
RC0/T1OSO/T1CKI
OSC2/CLKOUT
OSC1/CLKIN
OSC1/CLKIN
VSS2
NC4
RD1
RD2
RD3
RD2
RD3
RC1
RC2
RC3
RC4
RC5
RC6
RC2
RC3
RC4
RC5
RC6
RB0
RA0
RA1
RA2
RA3
RA1
RA2
RA3
RC0
OSC2
RE0
RA5
RA4
RA4
OSC1
RE1
RE2
RB4
RB5
RB6
RB5
RB6
RB7
RA4
RB1
RB2
RB3
RB2
RB3
RC7
RD4
RD5
RD6
RD7
RD5
RD6
RD7
RA5
RC0
RE0
RE1
RE2
RE1
RE2
OSC1
RC7
RD4
RD5
RD5
RD6
RD7
RB0
RB1
RB2
RB2
RB3
OSC2
DATA BUS
PROGRAM
BUS
DIRECT ADDRESS
INDIRECT
ADDRESS
ADDRESS
RAM ADDRESS
40 41 42 43 44 1 2 3
4 5 6
28 27 26 25 24 23 22 21 20 19 18
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
11
XVM-R75
U600 IR3Y29B4 (DISPLAY Board) (2/3)
38
39 40 41 42 43
44
45
47
46
48
37
36
35
34
33
32
31
30
29
25
24 23 22
21
20
19
18 17
15
16
14
13
26
27
28
SYNC SEP
BGP GEN
WINDOW
PULSE GEN
γ
AMP
REG1
REG3
REG2
IDENT
KILLER
TRAP
AGC
HPF
COLOR
CLAMP
AGC AMP
AGC DET
AGC DET
PICTURE
INV
5
7
8
9
10
11
12
6
3
1
2
4
F/F
PAL SW
TINT
VCO
APC
PHASE
SHIFT
P
N
COMP
COMP
MATRIX
INT/EXT SW
γ
AMP
γ
AMP
INV
INV
VREF
DEMOD
R-Y G-Y B-Y
SYNC
IN
Y/C
Y/C
BGP
F/F
Y
R-Y
G-Y
B-Y
PAL
ON
P
N
N
P
CHROMA OUT
ACC FILTER
B-Y
R-Y
KILLER FILTER
BURST OUT
COLOR
COLOR
C IN
IDENT FILTER
VIDEO IN
CONTRAST
TRAP
PICTURE
AGC OUT
AGC FILTER
CLAMP
F ADJ
VCC1
G IN
R IN
B IN
SW
COMMON OUT
COMMON
AMPLITUDE
ADJUST
SYNC SEP
SYNC OUT
SYNC IN
FRP
SUB BRIGHT R
SUB BRIGHT B
BRIGHT
GAMMA 0
GAMMA 2
B DC DET
RGB AMPLITUDE
ADJUST
COMMON
FRP
B OUT
VCC2
G DC DET
G OUT
R DC DET
R OUT
GND2
GND1
VCO OUT
APC FILTER
VCO IN
TINT
P
N P
N
12
XVM-R75
U502 M66242FP (DISPLAY Board) (2/3)
U503 MB90097 (DISPLAY Board) (2/3)
12
11
10
8
9
14
13
1
2
3
6
7
4
5
CS
WR
R
SIN
SCLK
OC
GND
PWM3
PWM2
PWM1
PWM4
VCC
XIN
XOUT
INPUT
REGISTER
CONTROL
CIRCUIT
PWM
REGISTER
8-BIT
PWM CIRCUIT
4-BIT-RATE
MULTIPLIER
12-BIT
PWM CIRCUIT
OSCILLATION
CIRCUIT
LOWER BYTE
REGISTER
UPPER BYTE
REGISTER
1/2
DIVIDER
TO OTHER CHANNELS
4
5
6
5
6
10
COMMAND
INPUT
MEMORY
CONTROL
COMMAND
REGISTER
TEST
CONTROL
CLOCK
CONTROL
HORIZONTAL
CONTROL
VERTICAL
CONTROL
CONTROL
SYNC
INPUT
1
2
3
7
8
8
9
RAM
WRITING
CONTROL
ADDRESS
CHANGEOVER
SWITCH
VRAM
CG-ROM
CHARACTER
OUTPUT
12
13
14
15
16
11
17
18
19
20
BLKC
TESTO
BLKB
VC3
BLKA
VC2
VC1
VC0
VSYNC
HSYNC
SCLK
CS
SIN
RESET
VDD
SDR
XD
EXD
TEST
GND
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