Read Sony XTL-750W / XVM-750WEX Service Manual online
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9
4-1. BLOCK DIAGRAM — MONITOR SECTION —
XTL-750W/XVM-750WEX
SECTION 4
DIAGRAMS
CN1
D301
3
CN302
2
10
5
15
14
13
12
8
S1
POWER
6
9
04
CN8
7
8
CN601
1
2
CN101
3
SIRCS
2
2
B+ (5V)
CN602
1
2
6
12
2
5
24
3
1
22
23
4
10
13
15
16
17
21
11
18
V COM AMP
IC203
5
7
INV IC204
4
2
1
7
8
8
AUDIO POWER AMP IC301
AUDIO
(MAIN)
SIRCS
BRIGHT
R IN
G IN
B IN
C. SYNC
POWER SW
16
WIDE MODE1
(PAL/NTSC)
HIDEAWAY
UNIT
+B
BL OFF/ON
AUDIO
(SUB)
SYNC
SEP
BGP
GEN
GEN
BGP
AMP
Q101
COMP
COMP
ERROR AMP
INT/
EXT
SW
RV213
GAMMA2
B+ (AMP)
V COM
BIAS
Q207-210
MIX/
BUFFER
Q102, 103
B+
SWITCH
Q608
42
26
40
B+
ON/OFF
Q606,607
BL B+
ON/OFF
Q602
BL
CONTROL
Q801, 802
REG
Q604
36
34
INV
AMP
GAMMA
AMP
41
19
24
BL
DRIVE
Q601
SWITCH
Q611
INVERTER
Q609, 610
Q609, 610
DC-DC
CONVERTER
Q502-504
BUFFER
Q603, 605
3
7
10
14
38
21
S101 NAVI
S102 TV/VIDEO
S103 SEARCH (+)
S104 SEARCH (–)
S107 VOL (+)
S108 VOL (–)
X101
480kHz
DIMMER DISCRIMINATOR IC701
DC-DC CONVERTER
IC401
DC-DC
CONVERTER
TRANSFORMER
T501
REG
IC302
D102
POWER
F901
F601
L505
F501
Q105
5
7
2
1
ERROR AMP
T601
11
14
15
13
KEY IN MATRIX
IC102
3
1
2
1
2
5
6
6
1
7
8
8
3
5
6
6
6
7
COMPARATOR IC601
5
D302
CN301
AUDIO POWER AMP IC303
VIDEO INTERFACE, LED DRIVER
IC201
1
2
B+ (AMP)
B+ (5V)
OSC 1
OSC 2
1
REMOTE
CONTROL
SENSOR
IC101
OUT
S6
S3
S0
S2
3
K0
4
K1
5
K2
B+ (AMP)
+B
B+ (13V)
RV210
V COM
AMP
RV211
V COM
DC
RV601
INVERTER
VOLTAGE
RV401
5V
RV212
GAMMA0
27
RV201
BRIGHT
29
35 39
33
32
37
RV207
R SUB
BRIGHT
31
RV209
B SUB
BRIGHT
30
RV208
RGB
AMP
28
D701
DIMMER
SENSOR
D502
D110
L602
L501
L601
T602
B+ (7.5V)
D503
L502
B+ (5V)
D504
L503
B- (-5V)
D505
L504
B- (-16V)
D506
L513
L512
L510
L511
10
7
9
12
10
13
1CK
2
6
+B
5V
VR
VG
VB
COM
LIQUID
CRYSTAL
DISPLAY
LCD1
BACK
LIGHT
UNIT1
UNIT1
BACK
LIGHT
UNIT2
UNIT2
13
NTP
FRPT
FRPV
VCS
SYN
HSY
MODW
MODN
VGH
VSH
NTP
HRV
VRV
CLKC
MODS
VGL
PWM
HV
GND
HV
GND
S105
SELECT
S701
DIMMER
AUTO
HIGH
LOW
SP1
MAIN/L
SPEAKER
SP2
SUB/R
SPEAKER
1Q
1CLR 2CLR
2Q
WIDE MODE SELECT
IC103
• Signal path
: TV and External Video (AUDIO)
: NAVI (AUDIO)
: VIDEO
PAL/NTSC
CONTROL
Q104
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