Schematic Diagram - Main Board (3/3) (Rg490: Mx/Rg590: Mx Models) - Sony HCD-RG490 Service Manual

7-20. SCHEMATIC DIAGRAM – MAIN Board (3/3) (RG490: MX/RG590: MX models) –
A1
A2
A3
A4
A5
A6
(Page 41)
D2
D1
D3
(Page 42)
STBY RELAY
P-RELAY
PROTECT
RT1N141C-TP-1
(Page 42)
D5
D4
(Page 41)
A7
A8
C027
CN001 0.01
11P C026
0.01
(RG490) AC3 AC3-1
AC3 AC3-2
AC4 AC4-1
(Page 59)
AC4 AC4-2
VF
VF
D-GND
EVER +10V
STBY RELAY STBY RELAY
(Page 61)
ACP ACP
-VFL
(RG590)
CN302
31P
HCD-RG490/RG590
(3/3)
R265
100
R292
2.2k
R253
C255
22p
R291
R257 C253
2.2k
47p
C257
47
16V
R006
4.7k
Q002
2SC3052
POWER ON/OFF
R005
4.7k RELAY DRIVE
+3.3V REGULATOR
D009
IC006 R010
MC2838
TA78033LS 22k
O I
G
D008
MC2838
Q011 C007 C006
22 10
50V 50V
PROTECT D007
UDZW-TE17-4.7B R016 R013
DETECT
100k 22k
C010 R014
0.1 10k
(Page 31)
C259 R251
R250,253
10 470 C265
4.7k(RG490) 50V R263 4.7
2.2k 50V
10k(RG590) C263
470 C264 R261
R254,257 16V 1000p 10k
Q251
BUFFER 2.7k(RG490) 2SC3052 R267
47k
IC251 4.7k(RG590) MUTING
BA4558F-E2
C256
C266
22p Q252
4.7
2SC3052
50V
C254 MUTING
47p
R250 R254 C258
47
16V R262
C260 10k
10 R252 R264
25V 470 2.2k
C002
0.1
D002 10EDB40
D004 10EDB40
D003 10EDB40
C008
2200
D001 10EDB40
25V
+9V REGULATOR
C001
IC011
0.1
TA7809S
C011
0.1
D011 10EDB40
O I
G
C015 D012 10EDB40
R011
100
10k
16V
D013 10EDB40
D006
1SS355TE-17
D014 10EDB40
R001 +9V REGULATOR
D021 10EDB40
22
IC021
TA7809S D022 10EDB40
C023
2200 D023 10EDB40
O I 25V
G
C025 D024 10EDB40
100
16V
R329
100
D302 R335
10EDB40 100
D301
10EDB40
R365
0
R363
0
R366
0
R364
0 JW032
C317
1000
10V C336
0.01
CN331
13P
1
9
TUNER(FM/AM)
SUPPLIED WITH
(Page 42)
THE ASSEMBLED
BLOCK
FM75
AM
COAXIAL
ANTENNA
43 43
Q261 R285
RT1P141C-TP-1 10k
R274 R276
MUTING CONTROL SWITCH
4.7k 10k
R268
4.7k Q276
2SC3052 R286 C271
22k 0.047
BUFFER
C273
0.22
R287
470k
Q277
2SC3052
C276 C278 R272
LINE AMP
0.22 0.1 4.7k
R052 R271 R269 R289 R290
470k 0 2.2k 100k 1k
R283
10k
FSP
R056 10k
Q042
R042
KTA1271Y-AT
10k D036
MC2836
R053
22k
C035
R043
47
4.7k Q041,042
25
B+ SWITCH
R057
1k
R054
22k
Q041
2SC3052
C013
2200
25V
D035
MC2838
R036 R035
4.7k 4.7k
R033
22k
R034
22k
(Page 53)
HCD-RG490/RG590
Q271
2SC3052
BUFFER
SW-SIG
C274
R277 R279 R280
10
2.2k 2.2k 4.7k
25V SW-SIG GND
SW-ON/OFF
Q272
2SC3052
(Page 51)
CN271
MUTING
C275 3P
470p
R281
2.2k
Q274
RT1N431C-TP-1
SUB WOOFER SWITCH
O-SWR
Q043-045 R039
22 R041
FAN MOTOR DRIVE
R038 1/2W 0
Q043
KTA1266GR CN041
Q044 3P
2SC3052
FAN+
M001
FAN-
R045
(FAN)
1k
FAN+
Q045
C033
2SC3052
R050 100
2.2k R047 R046
16V
2.2 4.7
R055 R051
2.2k 2.2k
Q046 R049
R048 R061
2SK2158 220k
22 10
FAN MOTOR DETECT
EP031
C034
4.7
S 50V
(CHASSIS)
SP L-OUT
(RG490)
SP-GND
SP R-OUT
SP RELAY B+
PROTECT PROTECT (Page 47)
R-OUT
R059 R060 AMP-A-GND
1k 1k
2W 2W L-OUT
UNREG +16V
PWR-GND
C031
(Page 49)
0
STK-M STK MUTE
-VFL
GND
(RG590)
R064 100
CN031
13P
R063 100
R037
4.7k
R032 D031
1k 1SS355TE-17
D10
D7
D8
D9
(Page 42)