Read Sony XTL-W70 (serv.man2) Service Manual online
15
15
XTL-W70
4-1. BLOCK DIAGRAM — MONITOR SECTION —
SECTION 4
DIAGRAMS
42
41
40
26
36
34
6
INT/
EXT
SW
SYNC
SEP
BGP
GEN
GEN
PAL/NTSC
CONTROL
Q910
GAMMA
AMP
AMP
INV
19
21
24
RV405
GAMMA2
S101
POWER
RV406
GAMMA0
RV408
BRIGHT
S104 NAVI
SEARCH
S106 TV/VIDEO
S105
S108
S108
27
29
BSUB
BRIGHT
RV409
RGB
AMP
RV407
V COM
AMP
RV411
V COM
AMP
RV412
30
RSUB
BRIGHT
RV410
31
28
13
14
2
3
11
15
35
12
2
6
13
5
1
2
4
39
8
6
70
71
10
7
4
11
28
33
35
36
37
57
58
59
60
32
65
50
49
44
43
38
47
20
21
22
BL B+
CONTROL
Q810,811
10
9
16
3
4
5
10
1
2
4
5
REG
Q607
BUFFER
Q803,804
INVERTER
Q601
INVERTER
Q602
REG
IC502
REG
IC510
REG
Q202
INVERTER
Q205
B+(+13V)
B+(+7.5V)
B+(+5V)
B–(–17V)
D206
D204
D205
D203
38
37
FILTER
POWER
ON/OFF
SWITCH
Q120
AMP
Q113
V COM BIAS
Q405,407,408
CONTROL
SIGNAL MIX
Q111,112
REMOTE
CONTROL
SENSOR
IC1
VOL
S103
S102
S102
BUFFER
Q501
7
1
3
2
CN501
5
2
1
5
1
7
BL
DRIVE
Q604
BUFFER
Q901
32
33
21
10
20
4
6
3
14
15
16
2
8
7
22
11
B+
(5V)
B+
(+13V)
B-
(-17V)
B-
AU-L
(AUDIO)
AU-R
(BEEP)
AU-G
SIRCS
BRIGHT
POWER SW
R IN
G IN
B IN
VBS
(SYNC)
PAL/NTSC
PICTURE OFF
+B
GND
MONITOR
IN
SP1
(SPEAKER)
D102
D132
BGP
Q110
S109
SELECT
S910
H.CENT
RV601
6.1V
S801
DIMMER
1CK
1Q
2Q
1CK
1CLR
1CLR
B+
(AMP)
B+
(AMP)
B+
(SW B+)
BLKO
BLDI
SPOI
HR
PS
CTR
SPIO
CLD
CLS
SPS
VR
MOD1
MOD2
LOWI
RESV
RESH
PDP
IN–
FB
OUT
OSCI
OSCO
FRPT
FRPV
VCS
SYNI
HSY
NTPC
MDW
MDN
PWM
VCC
OSC2
S6
S3
S2
K0
K1
K2
OSC1
OUT
VCC
B+(+5V)
B+(+7.5V)
B+(+.5V)
D1
POWER
D121
X110
480kHz
1
3
POWER AMP
IC501
WIDE MODE
SELECT
IC111
T201
T601
RV201
5.17V
DC-DC
CONVERTER
VCC
IN–
FB
OUT
DIMMER
DISCRIMINATION
IC801
D802
DIMMER
SENSOR
1
2
3
4
HOT
VR
VG
VG
VB
COM
VGL
SPOI
HR
PS
CTR
CTR
HOT
NC
GND
BACK
LIGHT
UNIT
LIGHT
UNIT
LCD1
LIQUID
CRYSTAL
DISPLAY
MODULE
MODULE
6
7
8
17
18
10
11
12
13
SPIO
14
CLD
15
CLS
25
SPS
26
VR
27
MODE1
28
MODE2
29
VSHA1(+5V)
VSHA2(+5V)
VSHL1(+5V)
VSHL2(+5V)
1
2
3
4
VGH(+13V)
32
VCC
24
VSS(–17V)
21
GND
5
GND
9
GND
16
V COM AMP
IC406
R OUT
G OUT
G OUT
B OUT
2
4
INVERTER IC910
LCD TIMING CONTROL
IC901
B+
(SW B+)
DC-DC
CONVERTER
Q603
COMPARATOR
IC802
HIGH
AUTO
VIDEO INTERFACE,
LED DRIVE
IC407
• Signal path
:TV and External Video(AUDIO)
:NAVI(AUDIO)
:VIDEO
KEY IN MATRIX
IC110
CN901
AMP
IC902
3
4
B+
(+7.5V)
Q801
CN601
IC201
IC601
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