Block Diagram -Display Section - Sony XVM-H65 Service Manual

XVM-H65
6-3. BLOCK DIAGRAM — DISPLAY SECTION —
IC800
SWITCHING
REGULATOR
PWM
OSC
COMP
2
RV800
DC-DC
FREQUENCY
Signal path
: VIDEO
IC501
RGB BLANKING
3
R
1
(Page 17)
13
G
B 1
HD
(Page 17) 2
VD
PAL
3
(Page 17)
POL
VCOM
BATT
EEPROM
8V
IC402
12V 3 REG 1 8V
IC351
T800 D801
VGH
D802
12V
D501
VDD
D803
ON/OFF
PWM
7 DRIVE
COUT
Q800,801
VGL
D800
ERROR
3
AMP
CN VR
4
VG
AN
14
BN VB
15
CI
5
12 VCC
OSC
AI
2 BIAS
Q600,D600
Q506
BI
9 11 10
HD OUT
22
POLC
14
NBLK
8
Q601
PAL
19
POLS
13
VD OUT
21
23 SIED 1 59 5
N/P MODE1
SIDE 2
58 6 NODE2
32 SIDE 3 57 7 MODE3
PW DET
5 13 SDA
6 14 SCL
KEY IN 27
KEY IN
VEE KEY HALT 44
DETECT
Q404,405
VCC
SW401
(POWER)
RV802
P50 1 VCC
SW REG
S407
IC400 (2/2)
ADJUST
(TESET)
SYSTEM CONTROL
RESET
RESET 36 1 3 VCC
IC403
12V
40
X2
X400
4.19MHz
41 TFT ON 56
X1
DIMMER 60
18 18
VR
VG
5
6
VB
2
RV601
VCO
IC601
VCO
IC600
DISPLAY CONTROL
44 50
OSCI PDOS
PLL
CPH1
OSC 59
DET
STH1
H
53
OUT STH2
54
HDIR
H
MASK 56
COUNT
CPV
28
STV1
25
STV2
32
OEV1
V
31
V
COUNT
OEV2
OUT 30
OEV3
29
CX
27
UPSD
17
FIELD DET
V
INT/EXT
SEL
SEL
COM VCOM
VCOM
OSC
6 1 DRIVE
IC801
Q802-804
SW402
(IR ON/OFF)
T850
POWER
SWITCH
CONTROL
12V
Q857,858
Q855,856,859
11 16
PULSE ERROR IC850
STEERING AMP BACK LIGHT
F/F CONTROL
POWER PWM
CURRENT
ERROR
CONTROL 12 COMP
1 DETECT
AMP
Q853,854
Q850,854
LCD1
BACK LIGHT
D853