Sony XVM-F65WL Service Manual page 32

XVM-F65WL
• IC Block Diagrams
IC501 AN2546FH-AV (MONITOR Board (1/4))
48 47 46 45 44 43
PONRST 49 LOGIC
IICBUS SYNCSEPA VCO
COMDC 50 DAC
DAC
SECAM BLACK ADJ 51 VSYNC
HHKILL
DROP
52
YIN CLAMP
CTRAP OUT 53 SW
VERT.
COUNT
CTRAP IN 54
SYNC
DELAY
CUT
Y DET 55
SHARPNESS GCA
ACC
ACC DET 56
DET
ACC
R-Y,B-Y
AMP
57 BPF DEMOD
C IN
58
VCC1
GND3 59
KILL DET 60
61 APC
APC DET LOGIC
YUV
GCA
SW
62
SC OUT
VXO
GENE
KILLER
VXO-NTSC 63
VXO
VXO-PAL 64
1 2 3 4 5 6
IC351 TA2181FNG(EL) (MONITOR Board (4/4))
16 15 14 13
LEVEL
VREF
DET
AGC
AGC
LEVEL
O.S.M
DET
1 2 3
XVM-F65WL
42 41 40 39 38 37 36 35 34
REG
LOGIC
LOGIC
I/N
PHASE F
COMP DET
INVERT LIMIT
GAMMA
CONTRAST
BRIGHT
G-Y
OSD
MATRIX
GEME
SW
INT/EXT
CLAMP
SW
REG
7 8 9 10 11 12 13 14 15
12 11 10 9
PRE
VCO BUFFER
EMPHASIS
LOUT=L+K•(L-R)
ROUT=R-K•(L-R)
PRE
VCO BUFFER
EMPHASIS
4 5 6 7 8
IC551 µPD6467GR-546-E1 (MONITOR Board (2/4))
SCLK 1
SCN 2
DATA 3
33
LOGIC PCL 4
DISPLAY
32 HDOUT CONTROL
REGISTER
31 VDOUT
30 PWM OUT
PWM VDD 5
29 VCC3
CMDCT 6
28 VCOM OUT
VCOM
7
OSC OUT
OSC
27 R-OUT DET
OSC IN 8
26 R-OUT
25 VCC2 TEST 9
GND 10
24 VREF DRIV
SYNC
23 GND1
PROTECTION
22 G-OUT DET
21 G-OUT
20 B-OUT DET
19 B-OUT
18 BLAK
17 YS
16
IC301 BD3870FS-E2 (MONITOR Board (4/4))
24 23
TREBLE1
f =8kHz
0
VCC/2 VCC/2
1 2
32 32
DATA INPUT
INSTRUCTION DECODER CONTROL SIGNALS
SHIFT REGISTER
WRITE-IN
CHARACTER SIZE H-ADDRESS
ADDRESS
REGISTER REGISTER
COUNTER
DATA
SELECT
V-SIZE H-POSITION H-ADDRESS
COUNTER COUNTER COUNTER
CHARACTER
V-AD GENERATOR
REGISTER ROM
12X16BITX
512-WORD
H-SIZE V-POSITION V-ADDRESS
COUNTER COUNTER COUNTER
22 21 20 19 18 17 16 15
TREBLE2 BASS2 BASS1
f =8kHz f =80Hz f =80Hz
0 0 0
VCC/2
3 4 5 6 7 8 9 10
20 HSYNC
19 VSYNC
VIDEO RAM
BACK
INTERRUPT
DATA
REGISTER
18 VB
17 VG
16 VR
15 V BLK
14 VC2
13 BLK2
12 VC2
11 BLK1
14 13
LOGIC
VCC/2
VCC/2
11 12