Schematic Diagram - Main Section (3/10) - Sony XAV-A1 Service Manual

XAV-A1
5-18. SCHEMATIC DIAGRAM – MAIN Section (3/10) –
Q44
2SD1815
C64 FAN MOTOR DRIVE
0.1
M40
(FAN)
CS806
2P
C63
47
16V
Q21
UN2114
BUFFER
GND
BU
(Page 40)
Q2+B
(Page 41) LCD+B
KEY RESET
LCD+BU
LCD+14V
(Page 43)
ACC
(Page 40)
XAV-A1
• See page 60 for Waveforms. • See page 62 for IC Block Diagrams.
(3/10)
Q43
R61 R22
2SD1815
0 100
+13V REGULATOR
R62 R21
0 100
R66
2.2k
Q41
R64 R63
IMD3A
470 470
DZ62
PTZ8.2B
-2
C61
DZ63 47
16V
PTZ10B
-1
Q45 R65 DZ61
RT1N144M 10k
13V
FAN MOTOR
DRIVE
L20
3.9µH
C80 L21
C97
C72 C73
220
220 220
16V
16V 16V
C12
0.1
R54
R55
470k
0
IC4
BD5241G
L24
C82 C83
220 220
RESET
16V 16V
C11
0.01
Q25,36
B+ SWITCH
F1
4A
125V
R26
47k
Q51
IMD3A
B+ SWITCH
-2
R69
47k
-1
-2
R70
47k
+5V REGULATOR
-1
IC1
D30
BD3931FP
Q52
M1F60
IMD3A
I O B+ SWITCH
G
C22 C24 C25
100 C21 C23 100 0.01
16V 0.1 0.1 6.3V 5.5V
IC21
BD9781
DC/DC CONVERTER
C75
0.1
L22
33µH R76
2.7k
C78
C76 C96
4700p
82 82
R73
8V 8V
100k
R75
R71
150k
39k
R77
470k
C41 C42 C74
R72
10 10 0.1
10k
IC22
BD9781
DC/DC CONVERTER
C85 L25
C88
4700p 22µH
0.1
C86 C95
82 330
R82 C87 R84
8V 6.3V
24k 0.01 10k
R85
R81
150k
150k
R83
C43 C44 C84 R86
10 10 0.1 150k 10k
Q25
2SB1203-T
Q26
2SD1803
R27
+8V REGULATOR
47k
R29 R30
15 15
R28 R57 R58
3.3k 3.3k 3.3k
-2 D31
M1F60
Q36
R31 C31 R32
RT1N144M
1k 100 10
C30 10V
0.1
Q24
2SB1203-T
-1
Q22
IMD3A
TUNER ON/OFF
Q27
SWITCH
2SC2412K
R33 +10V REGULATOR
22
R25 R59
2.7k 2.7k
R34
-2
470
Q37
RT1N144M-T111-1
R35
C33
10
47
C32 16V
0.1
-1
Q24,37
Q23
B+ SWITCH IMD3A
TUNER ON/OFF
SWITCH
Q31
2SD1803
R46 R47
DIMMER
22 22
R48
-2
1.5k
DZ27 C38
02CZ9.1-Y 0.1
-1
Q20
IMD3A
DIMMER
CONTROL
42 42
AV5V ON
KEY PWR
R74
10k
L28
L23
C77
0.01
FRQ CONT1
Q34
RT1N144M
+1.9V REGULATOR
FREQUENCY CONTROL
IC23
MM1661K
I O
G
D35 C92
C90
M1F60 100
C89 1
6.3V
1
L26
L29
FRQ CONT2
Q35
RT1N144M
FREQUENCY CONTROL
Q28 Q29 Q30
2SD1803 2SD1803-S 2SD1803-S
R36 R37 +9V R40 R41 +10V +5V
15 15 22 22 R44
REGULATOR REGULATOR REGULATOR
22
R38 R42 R45
1 1k 1
R43
22
C34 C35 C36
DZ22 DZ24
100 DZ25 100 DZ26 10
02CZ8.2-Z 02CZ9.1-Y
10V 02CZ11-X 16V 02CZ5.6-Y 16V
DZ23
02CZ11-X
Q33
DZ28 RT1N144M
02CZ6.8Z
DIMMER
CONTROL
C37
C39
10
10
16V
(Page 40)
VDD
(Page 46)
VDD
VDD (Page 49)
DVD+3V
VA
VDD (Page 41)
AV5V
(Page 41)
DVD+B
DVD VA
(Page 44)
DVD+5V
DVD+3V
SLVCC (Page 41)
LVCC
L27
SLVCC (Page 46)
C93
LVCC
220
R89
6.3V
10k
(Page 47)
LVCC
GND
(Page 48)
LVCC
(Page 44)
VA
(Page 45)
VA
V5V
(Page 44)
AV5V
VA
AV5V
AD5V
(Page 43)
8V
10V
ILM
RA+B (Page 41)
2-3