Schematic Diagram - Main Section (1/3) - Sony HCD-RG295 Servise Manual

Q Q
7-12. SCHEMATIC DIAGRAM – MAIN Section (1/3) –
3 7 6 3 1 5 1 5 0
CN991
19P
VF
VF
-VFL
D-GND
TCM-SNYC TCM-SYNC
VDD(EVER)
VDD(SWITCHED)
STBY-LED STBY
KEY0 KEY0
SIRCS RMS
VFD-RESET R996 100 VRE
VFD-DI R999 100 VDO
(Page 39)
VFD-DO VDI
VFD-CLK VCL
VFD-CE R997 100 VCE
M+9V
LED-GND
M-GND
M-GND
T E
L 1 3 9 4 2 2 9 6 5 1 3
CN091
9P
RESET
VDD
AVREF
FLMD FLMD
VSS
(NC)
VSS
SCK
SI
SO
A1
A2
A3
A4
A5
(Page 37)
A6
JW339
B1
w w w
B2
(Page 36)
HCD-RG295/RG495/RG595
• See page 52 for Waveforms. • See page 54 for IC Pin Function Description.
(1/3)
∗R354
10k(RG295)
22k(RG495)
1k(RG595)
(RG295/RG495/RG595:AEP,UK)
R343 R348
22k 22k
C-E3
R356
∗
R342
1k
I-HP-AUX
R344 R341
22k 10k
C-E2
VACS
R346
PROTECT
1k
KEY0
R347 R345
22k 10k
C-E1
STREAM
STBY
C-12
C-11
TCM-SYNC
VRE
VCE
VDO
VDI
VCL
KEY0
RMS
Q901
2SC3052
RESET SWITCH
R907 C908
47k 0.1
R908 C909
47k 0.1
D910
MA111-TX
RESET SIGNAL
GENERATOR
IC902
PST3429UL
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http://www.xiaoyu163.com
∗R352
1k(RG295:AEP,UK/RG495:AEP/RG595:AEP,UK)
470k(RG495:EA/RG595:EA)
∗R355
100k(RG295)
22k(RG495)
4.7k(RG595:AEP,UK)
2.2k(RG595:E,EA)
∗R356
470k(RG295)
1M(RG495/RG595:AEP,UK)
RG295:AEP,UK/RG495:
AEP,EA/RG590:AEP,UK,EA
(RG495:EA/RG595:EA)
R355 R351
∗
100k
R352
∗
R354 R350
∗
10k
I-HP/
AUDIO IN
R349
I-SUFFIX
10k
C918 0.001
I-VACS
R922 220k
I-PROTECTOR
R913 1k
I-KEY0
I-CD-ENCODER
R353 10k
I-MODEL
I-STREAM
SYSTEM CONTROLLER
O-STBY-LED
R981 100 Q Q
µPD78F0547GC (S)
O-MP3-CLK
3 7 6
R974 100
I-MP3-DATA
O-MP3-DATA
R972 100
I-TAPE-SYNC
O-VFD-RESET
O-VFD-CE
C923 220p
O-VFD-DATA
R973 100
I-VFD-DATA
R982 470
O-VFD-CLK
R911 1k
I-WAKEUP
C926 220p
I-XSIRCS
-IN
R905 R909
10k 22k
D905
MA111-TX
Q902
2SC3052
AC DETECT
R935 C911
10k 0.001
C904 R932
0.1 2.2k
R910 10k
u 1 6 3
35 35
http://www.xiaoyu163.com
2 4
8 9 9
C925
100p
RG295:AEP,UK/RG495
C924
100p :AEP/RG595:AEP,UK
R925
1k
R961
R920
1k
470k
R952
47k
R980
100
R956 100
I-SCOR
R957 100
I-
XTUNED
R959 100
I-OPEN-SW
R970 100
I-CD-NUMBER-SENS
R975 100
O-TM-F
R976 100
O-TM-R
R969 100
O-LM-F
R967 100
O-LM-R
O-XRST
IC901
O-D-MUTE
3 1 5 1 5 0 8 9 2
-UBT-A O-XLT
O-MP3-CS/
O-MP3-LP
R965 100
I-MP3-REQ
O-XLAT/
O-MP3-STB
R963 100
I-MP3-ACK
O-MP3-XLAT/
O-MP3-CS
O-MP3-RESET
O-XTCN
O-FRONT-SP-RELAY
O-SWR
O-SYS-XMUTE
R953
10k
Q903
KTA1271Y-AT
R903
C906
10
50V
Q904
2SC3052 R912
C903
0.47
50V
C902
10 R904
50V 2.2k
R902
C901
100
X902 D901
16V
16MHz UDZW-TE17-4.7B
C913
R901
1p C916
100k
47000
C920 D902
5.5V
1p MC2836
R914
10k
C917 R936
0.1 22k
m
c o
.
HCD-RG295/RG495/RG595
Ver. 1.1
2
8 9 9
C391
0.1
M+9V 13
M-GND
M-GND
C-LR LM-R
C-LF LM-F
C-TR TM-R
C-TF TM-F
C-E1 E-1
C-E2 E-2
(Page
C-E3 E-3
31)
C-SE TBL ADDRESS SENS
D+3.3V
C-OS OPEN SW
1
C-7
C-OS
C-SE
C-TF
C-TR
C-LF
C-LR
C-8
C-4
4 9 8 2 9 9
C-10
C-14
C-15
C-13
C-9
C-1
FSP
O-SWR
SYS-M
Q903,904
REGULATOR
D947
10k MA111-TX
R949 R950
10k 4.7k
1k
D943
MC2838
0
D923
R948
MC2837
2.2k R944 R946
D921
220k 0
MC2837
B3
R951
B4
220 R947
220k R945 C921 R941
220 2.2 R942 2.2k
50V 10k
(Page 36)
C922
4.7 R943
50V 4.7k
A7
A8
(Page 37)