Sony ICF-CD513 Service Manual ▷ View online
ICF-CD513
– 33 –
– 34 –
6-8.
SCHEMATIC DIAGRAM – MAIN (4/4)/VOLUME/POWER Boards –
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
[
no mark : TUNER (FM/AM)
[
] : CD PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: TUNER (FM/AM)
J
: CD PLAY
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
(Page 28)
(Page 32)
(Page 30)
– 35 –
• Waveforms
– MAIN board –
– MAIN board –
1
IC401
yk
(X2) (CD PLAY mode)
1 V/DIV, 100 ns/DIV
2
IC401
us
(XT2)
1 V/DIV, 10 µs/DIV
3
IC51
1
(XOUT) (RADIO ON mode)
500 mV/DIV, 5 µs/DIV
4
IC501
1
(FEO) (CD PLAY mode)
100 mV/DIV, 50 ns/DIV
5
IC501
w;
(CLK), IC551
qf
(CLKO)
(CD PLAY mode)
2 V/DIV, 2 µs/DIV
2 V/DIV, 2 µs/DIV
3.9 Vp-p
238 ns
5.6 Vp-p
10.4
µ
s
6
IC501
ed
(RFO), IC551
eg
(RF)
(CD PLAY mode)
200 mV/DIV, 500 ns/DIV
200 mV/DIV, 500 ns/DIV
1.2
±
0.2 Vp-p
4.1 Vp-p
30.5
µ
s
1.1 Vp-p
13.3
µ
s
Approx.
110 mVp-p
110 mVp-p
7
IC501
rg
(TEO) (CD PLAY mode)
100 mV/DIV, 500 ns/DIV
8
IC551
wa
(MDP) (CD PLAY mode)
500 mV/DIV, 2 µs/DIV
Approx.
140 mVp-p
140 mVp-p
1.2 V
10.1
µ
s
9
IC551
el
(LRCK) (CD PLAY mode)
2 V/DIV, 5 µs/DIV
5.1 Vp-p
22.7
µ
s
0
IC551
rd
BCK (CD PLAY mode)
2 V/DIV, 200 ns/DIV
5.7 Vp-p
472 ns
6.4 Vp-p
59.4 ns
qa
IC551
qa
(XTAO) (CD PLAY mode)
2 V/DIV, 20 ns/DIV
– 36 –
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC1
CXA1238M-T6
IC51
BU2614FS
VCO
REGULATOR
FM FRONT-END
AM FRONT-END
MPX
REGULATOR
MONO/STEREO
SELECT
DECORD
AMP
MUTING
AUTO
BLEND
TUNING
INDICATOR
AM IF/
DET
FM IF/
DISCRI
RIPPLE
FILTER
BAND-PASS
MUTE
1
27
28
29
30
24
25
26
21
22
23
18
19
20
16
17
2
3
4
5
6
7
8
9
PLL LPF1
PILOT DET LPF2
PILOT DET LPF2
ST IND/VCO CHECK
L-CH OUT
VCC
R-CH OUT
RIPPLE FILTER
AGC AFC1
10
AGC AFC2
13
FM IF IN
14
AM IF IN
15
BAND SELECT
11
GND
12
TUNE IND
1/2
COUNTER
1/2
COUNTER
PD1
PD2
FM/AM FE OUT
FM GND
FM RF IN
AM RF IN
FM RF
REG
FM OSC
AFC
AM OSC
MUTE
FM DISCRI
GND
PLL LPF2
MPX REG
VCO
FM IN
PD1
VSS
VDD2
VDD1
AM IN
P2
IF-IN
XOUT
XIN
CE
CK
DA
CD
P0
P1
16
12
13
14
15
8
9
10
11
4
5
6
1
2
3
7
IF
COUNTER
OUTPUT
CONTROL
I/O CONTROL
REGISTER
MAIN CONTROL
PRESCALLER
PHASE
DETECT
– 37 –
IC501
CXA1992BR
FZC
VC
TDFCT
TZC
ATSC
TEI
LPFI
TEO
VEE
EI
E
F
FE
BIAS
SL P
SL M
SL O
ISET
VCC
XRST
DATA
DATA
XLT
CLK
CLK
LOCK
SENS2
SENS1
C. OUT
VCC
DFCTO
IFB1 – IFB6
BAL1 – BAL4
TOG1 – TOG4
FS1 – FS4
TG1 – TG2
TM1 – TM7
PS1 – PS4
TGH
TGL
BALH
BALL
ATSC
DFCT
TM1
TG1
FS2
IFB1 – IFB6
VCC
VEE
VCC
VEE
VEE
PD 2
I-V AMP
FOK
CC2
CC1
CB
CP
RF O
RF I
RFTC
PD2
PD1
PD
LD
RF M
TA
O
TA
M
FSET
TG2
TGU
SRCH
FEO
FEI
FDFCT
FGD
FLB
FE O
FE M
TZC
FZC
FOL
FOH
MIRR
LDON
LPCL
LPC
TGFL
DFCT1
CC1
1
2
3
4
5
6
7
8
9
10
26
25
24
23
22
21
21
20
19
18
17
16
15
14
40
41
42
43
44
45
46
47
48
49
50
51
52
39
PD 1
I-V AMP
38
PD
AMP
37
LD
AMP
LASER
POWER
CONTROL
FOCUS BIAS
WINDOW
COMPARATOR
FOCUS ERROR
AMP
F I-V
AMP
AMP
E I-V
AMP
AMP
TGFL
TRACKING GAIN
WINDOW
COMPARATOR
E-F BALANCE
WINDOW
COMPARATOR
ATSC
WINDOW
COMPARATOR
TZC
COMPARATOR
TRACKING PHASE
COMPENSATION
CENTER
VOLTAGE
GENERATOR
FZC
COMPARATOR
FOCUS PHASE
COMPENSATION
CHARGE UP
FSET
ISET
IIC DATA REGISTER, INPUT SHIFT REGISTER,
ADDRESS DECODER, SENSE SELECTOR,
OUTPUT DECODER
TTL
↓
IIL
IIL
↓
TTL
IIL
↓
TTL
RF SUMMING
AMP
FOCUS OK
COMPARATOR
PEAK/BOTTOM
HOLD
PEAK/BOTTOM
HOLD
DEFECT
AMP
MIRR
COMPARATOR
36
34
31 30
29
28
27
35
33 32
BAL1 – BAL4
TM6
TM2
VCC
VEE
TM5
11
12
13
TG2
TM4
VCC
VEE
TM3
FS1
VCC
VEE
TOG1 – TOG4
TM7
FS4
DFCT
+
–
+
–
Click on the first or last page to see other ICF-CD513 service manuals if exist.