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Block Diagrams - Sony RA-3B Service Manual

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5-3. BLOCK DIAGRAM (1 OF 8)
TO
A
BOARD
TUNER
BLOCK
TO
A
BOARD
VIDEO
BLOCK
TO A
BOARD
PJED
BLOCK
A
TO A
BOARD
ML OUT1
TUNER
HR OUT1
BLOCK
IC002
SYSTEM CONTROL
STUH
1
I-2HSYNC
58
O-SPK MT
MTUH
I-HSYNC
2
STU AFT
SUBTU AFT
15
I-APROT
22
MTU AFT
MAINTU AFT
16
MONO
O-MONO
17
SAP
18
O-SAP
IO-SDAT
47
SAP IND
43
I-SAPN
O-SCLK
49
ST IND
60
I-STEREN
STU AUMT
61
O-2MUTE
MTU AUMT
62
O-MUTE
AGC ATT
51
O-AGC ATT
IO-B DAT
48
ANT SW1
52
ANT SW1
O-B CLK
50
ANT SW2
53
ANT SW2
9
I-RESET
O-OSC
11
I-OSC
12
X001
16MHz
MICRO R
32
O-R
MICRO G
33
O-G
MICRO B
34
O-B
TO A
BOARD
MICRO I
35
O-I
S OUT
TUNER
OSD YS
36
O-OSDYS
BLOCK
DISP YM
37
O-DISPYM
O-SIRCS
63
SWITCH
SBLK
45
O-SBLK
I-RMCN
64
Q024
SWITCH
MBLK
46
O-MBLK
Q007
RM IN
HP
7
I-HP
VP-BUFF
8
I-VP
O-GRAY
23
HP
KEY
14
VP-BUFF
I-POWERN
44
B INT
6
I-BINTN
O-TMRLED
55
MENU
13
21
I-OVP
20
I-OCP
TO A
56
O-RELAY
BOARD
57
O-YUVMT
YUV MT
TUNER
BLOCK
(1/4)(AUDIO, SYSTEM CONTROL)
IC403
D/A CONVERTER
28
IN1
OUT1
21
5
IN2
OUT2
12
17
SCL
18
SDA
L/R MUTE
Q403, 404
PROTECT
Q408-411
SDA
OFF MUTE
SCL
IC004
EEPROM
TO A
5
B DAT
BOARD
ON MUTE
P-MUTE
TUNER
6
B CLK
BLOCK
4 RESET
IC001
RESET
CN003
11
BCLK
FOR
10
B DAT
CHECK
3
SIRCS
TO A
BOARD
TUNER
BLOCK
TO A
BOARD
GRAY
VIDEO
BLOCK
CN681
8
OVP
TO G
G
7
OCP
BOARD
4
RELAY
CN605
CN002
CN1203
6
KEY
KEY
3
7
POWER
POWER
4
LED BUFF
8
TIMER LED
TIMER LED
5
Q006
TIMER/STANDBY
9
MENU
MENU
6
HA
2
SIRCS
(CONTROL SWITCHES)
— 31 —
IC406
L/R AMP
7
IN+(L)
OUT(L)
4
11
IN+(R)
IN-(L)
8
OUT(R)
2
5
MUTE
IN-(R)
10
+11V
Q402
STBY
Q401
+5V
IC404
5
7
6
TO A
R OUT
IC404
BOARD
3
TUNER
1
L OUT
BLOCK
2
S1201-1206
CONTROL
SWITCHES
S1207
(MENU SWITCHES)
POWER
D1201
STBY +5V
CN1202
CN1252
1
MENU KEY
MENU KEY
CN1291
SIRCS
(REMOTE SENSOR)
KP- 43T90 / 48V90 / 53V90 / 61V90
CN403
1
L
2
E
3
R
4
E
HB
(2/2)
S1251-1255
MENU
1
SWITCHES
2
OUT
D1291
HC
REMOTE SENSOR

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