Diagrams; Block Diagram -Monitor Section - Sony XTL-750W Service Manual

Q Q
3 7 6 3 1 5 1 5 0
4-1. BLOCK DIAGRAM — MONITOR SECTION —
CN1
AUDIO POWER AMP IC301
3
AUDIO
7
(MAIN)
8
D301
5
6
AUDIO POWER AMP IC303
2
AUDIO
7
(SUB)
8
D302
5
6
10
SIRCS
5
BRIGHT
15
R IN 42
14
G IN 41
13
B IN 40
12
C. SYNC 36
T E
L 1 3 9 4 2 2 9 6 5 1 3 34
S1
HIDEAWAY
POWER
UNIT
8
POWER SW
16
WIDE MODE1
(PAL/NTSC)
F901
6
+B 1
F601
SWITCH
L601
ON/OFF
Q606,607
BL B+
ON/OFF
BL
9
w w w
BL OFF/ON
CONTROL
Q801, 802
DIMMER DISCRIMINATOR IC701
2 1 5
D701
DIMMER
.
SENSOR
04
SECTION 4

DIAGRAMS

CN302
2
1
SP1
1 MAIN/L
3 SPEAKER
B+ (AMP)
CN301
2
1
SP2
SUB/R
1
SPEAKER
3
B+ (AMP)
RV201 RV207
RV213 RV212
R SUB
GAMMA2 GAMMA0 BRIGHT
BRIGHT
26 27 29 31
INT/
GAMMA
EXT INV AMP
AMP
SW
SYNC
SEP
BGP
BGP
GEN
35 39 33
VIDEO INTERFACE, LED DRIVER
IC201
Q105
+B WIDE MODE SELECT
1Q 2
12 1CK IC103
2Q 6
1CLR 2CLR
S105
10 13
SELECT
REG
2 B+ (AMP)
IC302
F501 L505 DC-DC CONVERTER
IC401
L602
B+
Q608
ERROR AMP
RV601
3
INVERTER
B+
VOLTAGE
7 COMP
T601
BL
REG SWITCH INVERTER
DRIVE
Q604 Q611 Q609, 610
Q602 Q601
COMPARATOR IC601
T602
7 x a o
6
y
7
5
S701
DIMMER
i
AUTO
HIGH
LOW
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8
KEY IN MATRIX
IC102
S6 11
S3
10
14 OSC 2
X101
S0 7
480kHz
15 OSC 1
MIX/
S2 9
AMP
BUFFER 13 OUT
Q101
Q102, 103
RV209 K0 3
RV208
K1 4
B SUB
BRIGHT RGB K2 5
AMP
30 28
D110
19
21
24
V COM AMP
IC203
V COM
5 7
38 BIAS
Q207-210
Q Q
3 7 6 3
RV210
32 37
V COM
AMP
4 2
INV IC204
D502
DC-DC
CONVERTER
TRANSFORMER D503
T501
D504
D505
DC-DC
CONVERTER
D506
Q502-504
COMP 10
ERROR AMP
RV401
14
5V
u 1 6 3
.
9 9
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2 4
9 9
CN101
3 SIRCS
2 5V
B+ (5V)
S101 NAVI
S102 TV/VIDEO
2
S103 SEARCH (+) +B
S104 SEARCH (–)
S107 VOL (+)
• Signal path
S108 VOL (–)
B+ (5V)
CN8
7 VR
8 VG
6 VB
12 COM
1 5 1 5 0 PAL/NTSC 8 9 2
13 NTP
RV211
CONTROL
V COM
Q104
DC
2 FRPT
5 FRPV
24 VCS
3 SYN
1 HSY
22 MODW
23 MODN
L501 L512
4 VGH
B+ (13V)
10 VSH
L502
13 NTP
B+ (7.5V)
15 HRV
L503 L510
16 VRV
B+ (5V)
17 CLKC
L504
21 MODS
B- (-5V)
L513 L511
11 VGL
B- (-16V)
18 PWM
BUFFER
Q603, 605
CN601
1 HV
GND
2
m
CN602
c o
1 HV
2 GND
XTL-750W/XVM-750WEX
2
8 9 9
REMOTE
CONTROL
1
SENSOR
IC101
D102
POWER
: TV and External Video (AUDIO)
: NAVI (AUDIO)
: VIDEO
4 9 8 2 9 9
LIQUID
CRYSTAL
DISPLAY
LCD1
BACK
LIGHT
UNIT1
BACK
LIGHT
UNIT2