Schematic Diagram - Main Section - Sony ICF-CD863V Service Manual

5-8. SCHEMATIC DIAGRAM – MAIN Section –
ANT1
(TV/FM)
TP
(ANT)
1000p
D53 R54
1SS119 2.2k
D52 R55
1SS119 2.2k
D54 R56
1SS119 2.2k
R63
CN301 100
24P
L53
100µH
R57
10
AA1
AA2
C34
0.01
AA3
JC3
0
(Page
27)
AA4
AA7
AA5
AA6
S301
CD LID
OPEN/CLOSE
CN304
DETECT
2P
AA6
C319
CN302
470 C330
14P
10V 0.01
AA5
L301
100µH
AA2
R378 100 AA3
AA4
R380
100
C326 100p
C327 100p
C328 100p
AA1
(Page R387
100
C329 100p
21)
C331 C332
47 0.01
10V
Q308
2SB1013-TP
-34
B+ SWITCH
BH301
12P
AA7 D307
1SS119
(Page
25)
• •
See page 19 for Waveform. See page 28 for IC Block Diagrams.
TP
(VT)
C31
1000p
R51 1k C51 47p
R52 1k C52 47p
R53 1k C53 47p
R9
0
FM/AM PLL
C54
IC51
LC72122V
Q51
DTA144EUA
-T106
BAND SELECT
X51
75KHz
R58
C63 C64
10k
12p 12p
C58
470p
C60
C55
22
100p R59 C59
25V
10k 0.33
C66 L52
0.01 1µH
Q1
2SA1576A
-T106-R
B+ SWITCH
Q52
2SC4081T106R
Q52,53
C4 C35
LOW-PASS
Q53
C57 0.01 0.01
2SC4081T106R
FILTER
1000p
C62
R62 C65 R61
100
10k 0.01 100k
TP 25V
R21
(RADIO B+)
47k
R330
47k
Q301
DTA144EUA
-T106
INVERTER
D303
DAN202UT106
Q302
DTA144EUA
-T106
R337
INVERTER
2.2k
D302
DAN202UT106
D301
DAN202UT106
R103
47k
R302
L302 R326 47k
1µH
470
C325
R325
100
47k
10V
C9 RV2 100k
C36
4.7
1000p
50V
BPF1
C6
1
TP
(FM GND)
JC5
0
C10 0.1
MPRM TVRO
C11 0.1
V12M REGV
C12 1
MUTE FTLO
C13 22 25V
AAGC FMBF
C14 470p
DETO AMLO
TV/FM/AM RF AMP,
R7
470 MPXI FALC
MIX,OSC,DET,MPX
PLT2 PLLO
IC1
C15
CXA1960Q
R8 1
PLT1 COMP
2.2k
PLL1 BAND
PLL2 TUNE
C17 C16
4.7 0.47
50V
L5
AM FERRITE-ROD
ANTENNA
TP
R5
(FM ST)
0
L8
0
R4
RV1
22
4.7k R1 4.7k
R2 2.2k
R3
10k
C106 0
C1 TP C3
C206 C2
10 (AM GND) 100
0 0.01
50V 10V
C101 0.022
C203
4.7
R206
50V
0
R204
22k
R205
22k
R308 C204
1k 0.047
C305 R207
0 470k
R105 INPUT SELECT
22k
IC303
TC4066BFT
R104
22k
C306 R309
0.01 2.2k
C103 R106
4.7 0
50V
C301 R304
0.1 100
C304
C303
220
0.01
10V
23 23
R631 47k
4 4 R634 10k R632 22k
S617 S616
1 1
VOL 2
+
R639 47k
R642 10k R640 22k
S621
R6
1k
VOL PRESET TUNING
- SELECT/PRESET
R12 R13
100k 100k
D4
HVU363ATRU
R10
10k
D3
D2 HVU363ATRU
KV1610STL1-2
C20
4700p
L3
L1 L2 TV/
CT1 C18 R11 C22 CT2 CT3 L4
AM FM/TV WEATHER
10p 10p 1M 7p 10p 10p 33nH
OSC RF RF
C8
C5 C7
10
0.01 0.01
50V
Q306
2SA1576A
R333 R335 -T106-R
100k 47k R109 R209
INVERTER
1k 1k
Q309
2SC4081T106R
Q101,201
BUFFER
C314 R319
HEADPHONE
10 0
10V SWITCH
R336
47k
Q101
C324 KTC3203Y-AT KTC3203Y-AT
100
R321
10V
R339 D311 1k
22k UDZSTE-175.6B
C312
C313
220
0.01
10V
R328
10k
R318 22k
R329
100
R314 C310
1k 0.047
C311
R310 0.1
47
VCC
IC301
LOW-PASS FILTER
M62429P
IC302
GND BA4558F
ELECTRICAL
R320 R315
VOLUME 22k 1k
R313 47k
R311
R327 22k
R312 4.7k
10k
2SC4081T106R
C309
R338 C321
220 HEADPHONE
22k 0.047
10V
DETECT
D310 C318 C317
UDZSTE-175.6B 4.7 4.7
50V 50V
R332
2.2k
C307
C308 R331
220
0.01 47k
10V
Q307
R316
2SC4081T106R
C333 22k
MUTING 0.1
C205 4.7
C105 4.7
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM/TV (2 – 6 ch)
( ) : AM
〈〈 〉〉 : TV (7 – 13 ch)/WEATHER (1 – 7 ch)
[ ] : CD
ICF-CD863V
R627 100k R625 220k R623 470k
R630 22k R628 47k R626 100k R624 220k
S615 S614 S613 S612
3 4 5 TUNE/
TIME SET
PRESET TUNING SELECT/PRESET +
R635 100k R643 220k
R638 22k R636 47k R644 100k
S620 S619 S618
SNOOZE TUNE/
DATE/ TIME SET
1 SLEEP OFF -
C30
2p
R15
100k
D5
HVU363ATRU
Q2
2SC3931-C
C28 -TX
4p
OSC
BUFFER
R16
22k
L7 R19
0 100
R18 C33
470 0.01
JC4
0
Q201
CN303
4P
BB1
SP201
BB2
(R-CH)
BB3
SP101
BB4
(L-CH)
Q305
R317
47k
C334
0.47 BH302
11P
BB4
BB3
BB2
BB1
50V
50V (Page 25)