Diagrams; Block Diagram -Monitor Section - Sony XTL-W70 Service Manual

SECTION 4

DIAGRAMS

4-1. BLOCK DIAGRAM — MONITOR SECTION —
POWER AMP
IC501
AU-L 21 BUFFER
7 1
(AUDIO) Q501
10
AU-R
(BEEP)
20
AU-G
4
SIRCS
6
BRIGHT
S101 RV405
POWER POWER GAMMA2
3 ON/OFF
POWER SW
SWITCH
Q120 D102 D132
26
14
R IN 42 INT/
GAMMA
15
EXT
G IN 41
AMP
16
SW
B IN 40
2 SYNC
VBS
36
SEP
(SYNC)
34
MONITOR
IN
PAL/NTSC
8
PAL/NTSC CONTROL
Q910
S109
SELECT
Q801
B+
(+7.5V)
BL B+
7
PICTURE OFF CONTROL
Q810,811
B+
REG
(AMP)
IC502
REG B+
IC510 (AMP)
11
+B
22
GND
REG
B+
Q202
(SW B+)
DC-DC
CONVERTER
IC201
IN–
5 1
VCC
FB 2
OUT
4
CN501
3
SP1
(SPEAKER)
2
CONTROL
SIGNAL MIX
Q111,112
RV410 RV409
RV406 RV408
RSUB BSUB
GAMMA0 BRIGHT
BRIGHT BRIGHT
RV407
RGB
AMP
27 29 31 30 28
R OUT
G OUT
INV AMP
B OUT
VIDEO INTERFACE,
LED DRIVE
IC407
BGP
BGP
GEN
35 39 33 32
4
INVERTER IC910
Q110
12 1CK
1Q 2
WIDE MODE
2Q 6
SELECT
IC111
10 1CK
13 1CLR
T201
D206
B+(+13V)
D204
B+(+7.5V)
D205
B+(+5V)
D203
RV201
B–(–17V)
5.17V
INVERTER
Q205 DISCRIMINATION
2
D802
DIMMER
SENSOR
KEY IN MATRIX
IC110
14
OSC2
S6 11
S104 NAVI
X110
480kHz S106 TV/VIDEO
15 OSC1 S105
S3 10
SEARCH
AMP S108
OUT
13
Q113
S2 9 S103
VOL
S102
K0 3
K1 4
5
K2
VCC
16
D121
B+(+.5V)
19
21
24
V COM AMP
IC406
3 1 V COM BIAS
38
Q405,407,408
RV411 RV412
V COM V COM
37
AMP AMP
LCD TIMING CONTROL
IC901
71
BLKO
S910
70
BLDI
H.CENT SPOI 28
HR 33
6 FRPT 35
PS
8 FRPV
CTR 36
2
10 VCS SPIO 37
7
SYNI
4 HSY
CLD 47
CLS 57
11
NTPC
SPS 58
VR 59
20 MDW MOD1 60
21 MDN MOD2 32
LOWI 65
RESV
50
AMP
49
RESH IC902
3 4 BUFFER
PDP 38
OSCI
44
22
PWM
43
OSCO
DC-DC
CONVERTER
IC601
RV601
B+
IN– 1
5 VCC
6.1V
(SW B+)
FB 2
4
OUT
REG
Q607
Q603
COMPARATOR
IC802
BUFFER
BL
6
Q803,804
7 DRIVE
5
S801 Q604
DIMMER
DIMMER
HIGH
IC801
AUTO
1 5 1
15 15
REMOTE
2
CONTROL
SENSOR
IC1
3
• Signal path
B+(+5V)
:TV and External Video(AUDIO)
B+(+7.5V) D1
:NAVI(AUDIO)
POWER
:VIDEO
CN901
6
VR
7
VG
8
VB
17
COM
18
VGL
FILTER
10
SPOI
11
HR
12
PS
13
CTR
14
SPIO
LCD1
LIQUID
15
CLD CRYSTAL
DISPLAY
MODULE
25
CLS
26
SPS
27
VR
28
MODE1
29
MODE2
1
B+
VSHA1(+5V)
(5V) 2
VSHA2(+5V)
3
VSHL1(+5V)
4
VSHL2(+5V)
Q901
B+ 32
VGH(+13V)
(+13V)
24
B- VCC
21
B-
VSS(–17V)
(-17V)
5
GND
9
GND
16
GND
CN601
T601
INVERTER 1
HOT
Q601
2 BACK
HOT
LIGHT
3
NC
UNIT
INVERTER
4
GND
Q602
XTL-W70