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

Q Q
3 7 6 3 1 5 1 5 0
4-1. BLOCK DIAGRAM — MONITOR SECTION —
CN101
MONITOR
IN
AU-L 21
(AUDIO)
AU-R 10
(BEEP)
20
AU-G
4
SIRCS
6
BRIGHT
POWER
ON/OFF
3
POWER SW
SWITCH
Q120
14
R IN
15
G IN
16
B IN
2
VBS
(SYNC)
1
TUNER
BOARD
CN3 (XT-991V)
T E
L 1 3 9 4 2 2 9 6 5 1 3
(Page 16)
PAL/NTSC
8
CONTROL
PAL/NTSC
Q910
BL B+
7
PICTURE OFF CONTROL
Q810,811
11
B+
22
GND
REG
Q202
w w w
.
SECTION 4

DIAGRAMS

POWER AMP
CN501
IC501
3
BUFFER 7 1
Q501
2
RV410
S101 RV405 RV406 RV408
RSUB
POWER GAMMA2 GAMMA0 BRIGHT BRIGHT
D102 D132
26 27 29 31
42
INT/
GAMMA
EXT INV
41
AMP
SW
40
VIDEO INTERFACE,
SYNC
36 LED DRIVE
SEP
IC407
BGP
34 BGP
GEN
35 39 33
Q110
12
1CK
S109
1Q
WIDE MODE
SELECT
2Q
SELECT
Q801
10 IC111
1CK
B+
13 1CLR
(+7.5V)
B+
REG
(AMP)
IC502
REG B+
IC510 (AMP)
T201
D206
D204
B+
(SW B+)
DC-DC D205
CONVERTER
IC201
D203
RV201
5 IN– 1
VCC
5.17V
FB 2
x a o
y
INVERTER
OUT 4
Q205
i
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8
KEY IN MATRIX
SP1
IC110
(SPEAKER)
14 OSC2
S6 11
X110
480kHz
15 OSC1 10
S3
CONTROL
AMP
SIGNAL MIX 13 OUT
Q113
Q111,112
S2 9
RV409
BSUB
K0 3
BRIGHT
RV407 K1 4
RGB
K2 5
VCC
AMP
16
D121
30 28
R OUT
19
G OUT
AMP
21
B OUT
24
V COM AMP
IC406
3 1 V COM BIAS
38
Q405,407,408
RV411
V COM
37
AMP
LCD TIMING CONTROL
IC901
71 BLKO
32 S910
70 BLDI
H.CENT
6 FRPT
8 FRPV
4 2
10 VCS
Q Q
INVERTER IC910
3 7 6 3
7 SYNI
4
HSY
11 NTPC
MDW
2 20
6 21 MDN
22 PWM
DC-DC
CONVERTER
IC601
B+
5
VCC
(SW B+)
B+(+13V)
B+(+7.5V)
B+(+5V)
BUFFER
B–(–17V)
Q803,804
S801
u 1 6 3
DIMMER
DIMMER
HIGH
DISCRIMINATION
.
IC801
AUTO
2 1 5 1
D802
DIMMER
SENSOR
15 15
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2 4
9 9 8
REMOTE
2
CONTROL
SENSOR
IC1
S104 NAVI 3
S106 TV/VIDEO
S105
B+(+5V)
SEARCH
S108
B+(+7.5V)
D1
S103
POWER
VOL
S102
B+(+.5V)
RV412
V COM
FILTER
AMP
SPOI 28
HR 33
PS 35
36
CTR
SPIO 37
1 5 1 5 0 8 9 2 4
CLD 47
CLS 57
SPS
58
VR 59
60
MOD1
MOD2 32
LOWI 65 B+
(5V)
RESV 50
AMP
49
RESH IC902
3 4 BUFFER
PDP 38
Q901
B+
(+13V)
OSCI
44
B-
43
OSCO
B-
(-17V)
RV601
IN– 1
6.1V
FB
2
4
OUT
REG
Q607
Q603
T601
INVERTER
Q601
INVERTER
COMPARATOR
Q602
IC802
m
BL
6
7 DRIVE
5
Q604
c o
XTL-W70
2
9 9
• Signal path
:TV and External Video(AUDIO)
:NAVI(AUDIO)
:VIDEO
CN901
6
VR
7
VG
8
VB
17
COM
18
VGL
10
SPOI
11
HR
12
PS
13
CTR
14
SPIO
9 8 2 9 9
LCD1
LIQUID
15
CLD CRYSTAL
DISPLAY
25 MODULE
CLS
26
SPS
27
VR
28
MODE1
29
MODE2
1
VSHA1(+5V)
2
VSHA2(+5V)
3
VSHL1(+5V)
4
VSHL2(+5V)
32
VGH(+13V)
24
VCC
21
VSS(–17V)
5
GND
9
GND
16
GND
CN601
1
HOT
2 BACK
HOT
LIGHT
3
NC
UNIT
4
GND