Read Sony HMD-A400 Service Manual online
5-1
5-2
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAMS
SIGNAL-IN
HD15
PIG-TAIL
TO D BOARD
CN901
CN901
TO D BOARD
CN902
CN902
B
A
TO D BOARD
CN603
CN603
C
TO
D BOARD
FBT
D BOARD
FBT
HV
G2
FV1
CRT
R.G.B
G1
2
IC001 PRE AMP,OSD MIX
6
32
11
19
15
26
4
6
7
5
9
13
1
13
15
17
12
10
21
20
6
5
27
25
24
23
CLAMP AMP
Q001,002
1
5
11
15
6
10
4
14
9
3
13
8
2
12
7
35
29
8
9
IC002
RGB OUT
11
5
3
1
F
TO D BOARD
CN502
CN502
E
TO D BOARD
CN504
CN504
IC003 OSD
IC004 AMP
P7
P1/R
R OUT
R IN
R VOUT2
R VIN2
G VOUT3
G VIN3
B VOUT1
B VIN1
G OUT
G IN
B OUT
B IN
DA4
DA3
DA2
DA1
OSDR
OSDG
OSDB
OSD BLKIN
SDA
SCL
CLAMP
ABL IN
BLK
P3/G
P5/B
P0/BK0
SIN
SCK
19
18
VERT
HOR
(VIDEO, RGB OUT)
A
TO
D BOARD
FBT
D BOARD
FBT
FV2
TO
D BOARD
FBT
D BOARD
FBT
B-SS3578<U/C>-BD1-EPS05
P701
MENU
ORANGE/LED
GREEN/LED
1
2
3
D
TO D BOARD
CN903
CN903
(USER CONTROL)
H
SW701
LED701
POWER
MENU
B CUT-OFF
Q301
G CUT-OFF
Q201
R CUT-OFF
Q101
G2 CONT
Q004
H SYNC
BUFF
Q003
V SYNC
BUFF
Q005
2
1
4
3
3
CN304
CS0
CS1
CS2
CS3
9
P6
16
P4
14
P2
–
+
+81V
+12V
+6.3V
+5V
D105
D205
D305
CN301
5
7
1
2
9
RED
GREEN
H-IN
V-IN
BLUE
CN306
4
3
2
2
PC DET
DDC SDA
DDC SCL
CN305
6
5
3
1
4
DDC SCL
DDC SDA
V-IN
H-IN
PCDET
CN302
7
3
4
8
9
5
CLAMP
H_RTN
V_RTN
SDA/I
SCL/I
G1
5
1
3
4
6
CN303
ABL
+81V
+12V
+6.3V
+5V
5
1
3
4
6
ABL
+81V
+12V
+6.3V
+5V
1
CN309
1.2kV
IC009
ROM
VCLK
SDA
SCL
7
5
6
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