Schematic Diagram - Main Section (2/2) - Sony ICF-CD855V Service Manual

6-12. SCHEMATIC DIAGRAM – MAIN Section (2/2) – •
(2/2)
A1
A2
A3
A4
A5
(Page 26)
A6
A7
A8
A9
A10
A11
A12
A13
A14
CNP303
14P C302
0.01
3.3V
C120
GND
4.7
50V
LCH
RCH
RES RES
C220
DI R301 1k DI 4.7
50V
CE R302 1k CE
CL R303 1k CL
WRQ JC302 0 WRQ
DO DO
(Page 21)
DRF R446 10k DRF
FSEQ R443 1k SEQ
6V
PGND
BH301
11P JC301
0
MUTE MUTE
C418
1000p
COUNT
PLL CLK CLK
PLL DATA DATA
PLL CE PLL
LCH
R +B
RCH
GND C304
(Page 23)
VT
S-GND
See page 28 for IC Block Diagrams.
R496
470k
C447
0.01
IC301
R101 22k BD3870FS-E2
R102 C121 CAP
22k 2200p V LIN
TNF L
C101 C201 V RIN
R201 1 1 TNF R
22k SEL R
R205 220k
BNF R
SEL L
C102 1
R202 C221 BOUT R
22k 2200p CD LIN
C202 1 R105 220k
R104 BNF L
1k CD RIN
C103 0.1
BOUT L
R LIN
C203 0.1
LOUT
R RIN
R204 ROUT
1k NC
VCC
NC
SI
VREF
SC
GND
INPUT SELECT,ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
Q301
DTA123JUA-T106
RADIO
B+ SWITCH
100
10V
Q908
KTC3203Y
+3.3V
REGULATOR
Q909
MUN5113T1
REGULATOR
CONTROL
RESET SIGNAL
R915
Q907
GENERATOR 100
D908 MSD1819A-RT1
IC402 M1MA142WAT1
+4V
XC61CN2002MR
REGULATOR
RESET
R916
V
G 1k
C449 C921
C448 C919 C915
470 100
0.1 0.01 0.01
6.3V 10V
Q906
2SD2396K
R912
100
C907
0.01
R310
10k
C317 0.22
C316 0.1
C109 470p C210
R223 R220
47
4.7k 100k
C108 1000p 10V
C209 470p
D203
MMDL914T1
C208 1000p
Q302
C207 0.1 R207 4.7k DTA124EUA
MUTING
C206 0.1 R208 470k
Q201 CONTROL
C107 0.1 R108 470k MSD1819A-RT1
Q101,201
C106 0.1 R107 4.7k
AGC
Q101
MSD1819A-RT1
R309 1k
R123 D103
4.7k MMDL914T1
R308 1k
27 27
C918
0.01
Q903
2SD2396K
+5.6V
REGULATOR
R906
100
R911 R909
47 10k
D903
DA204U
Q905
MSB1218A-RT1
R910
10k
Q904-906
Q904
+6.2V REGULATOR MSD1819A-RT1
C909 R914 R913
0.01 2.2k 4.7k
C327
47
10V
C115
470p
C318 C319 R311 R113 R213
2200p 0.022 2.2k 220k 220k
R109 47k
R110 22k
C111 R114 C114
1 10k 1
D101 R111
MMDL914T1 1k
Q102
2SD1757 POWER
GND
Q102,202 POWER AMP
C112
1000p MUTING POWER
GND
IC302
C212
LA4627
1000p
R312 D201 R211
2.2k MMDL914T1 1k C323
4.7
50V
C320
R313
4.7 Q202
47k
50V 2SD1757
C211 C214
1 1 C322
100
10V
R210 22k
R221 R214 D202 C215
47k 10k 1SS119 470p
R209 47k
R121 D102
C219 C119
47k 1SS119
22 22
25V 25V
ICF-CD855V
CNP901
2P
(CHASSIS GND)
2
1
POWER
W901 UNIT
R314
2.2k
J301
CNP304
4P
SPL+
SP101
SPL-
(L-CH)
C117
1000 SPR-
6.3V SP201
SPR+
(R-CH)
C217
1000
6.3V
C325
C324
4.7
0.01
50V
C218 C118
0.47 0.47
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.