Block Diagram -Tc Section; Block Diagram -Tuner/Cd Section - Sony CFD-980 Service Manual

Q Q
5-2. BLOCK DIAGRAM — TC SECTION —
7
3
PRE AMP
IC301
SOUND/VOLUME
TU L RADIO
A 16
FROM
TUNER/CD
SECTION CD L LINE
C 14
BUFFER
AMP 7dB
TAPE
L
18 31
TAPE
PB AMP
HEAD
8
REC AMP
L-CH 26dB
9
R-CH R-CH REC H TC RA
R-CH 21 15 17
T301
Q309
BIAS
OSC
S301
+5V
REC PB
T E
L 1 3 9
D801
OPR/BATT
SWITCH
TU +5V
Q807
D802
ESP
SWITCH
CD +5V
Q806
TO HI SPEED
TUNER/CD B
SECTION
+9V
Q809 S817-821 S809-816
MD FUNCTION FUNCTION
M
MOTOR SWITCH SWITCH
MOTOR
ON
TC
PLAY
100 14 16 19 20 21 33 32
92 TX
X802
32.768kHz
93 TEX
w w w
37 TU SHIFT
X801
4.20MHz
39 EXTAL1
OSC
Q803,804
40 XTAL1
16
— 23 —
1 5 1
6 3
IC302
29 28 27 26 25
TONE POWER AMP
IC304
R-CH
MATRIX
VR 24 2 12
SURROUND
STBY
5
Q310
D391
BC BASS
CONTROL 21
AGC
L
R
23 19 20 18
Q311
AUDIO
+9V
MUTE
4 2 2 9 6 5 1 3
AU 6V
COM5V
BACKUP +5V
RESET
3 1 3
S802-807 Q801,802 Q305,306 IC804 Q808
2
FUNCTION REG CHK STBY WAKE-UP
SWITCH SWITCH SWITCH CONTROL
SW822
RESET
31 95 97 96 98 2 34 38 99
IC801(2/2)
SYSTEM CONTROL
x a o
y
. i
— 24 —
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5-3. BLOCK DIAGRAM — TUNER/CD SECTION —
5
0
ANT1 FM/AM FRONT-END
FM
TELESCOPIC
ANTENNA
FL1
FM RF I
B.P.F 1
FM RF O
AU6V 23
L1
D1
• SIGNAL PATH
FM OSC
21
J301
D2
H/P JACK :FM
L2
:CD
L3
FERRITE-ROD
ANTENNA
:PB AM RF
24
D3
:REC
SPEAKER AU6V
AM OSC
L4 22
AU6V
F301
5A
125V
REG
J302
Q301 DC IN
9V
Q Q OPTICAL PICK-UP
SWITCH 3 7 6
BLOCK
Q302
(KSC-213 CDM)
REG
VCC CD5V
Q303
VC VC
48 VC
DRY BATTERY
A
SIZE " D " R20
A PD1
35
6PCS, 9V
C
D355
C
B
REG B
PD2
D356 36
Q304
D
D
E
DRY BATTERY E E
39
SIZE " AA " R6
RV703
4PCS, 6V
40 EI
(BACK-UP) E-F
IC802
F BAL
F F
BACK-UP 38
2
5V REG
Q701
Q703
1
LD LD/POWER LD
33
CONTROL
SW801
POWER GND
PD PD PD
34
VR
F/T COIL
SL/SP MOTOR
DRIVER
RV702
IC703
F
F+
6 F+ GAIN
FOCUS
F IN 5
COIL F
7 F
SEG0 54
LCD801 T+
10 T+
SEG26 75
TRACKING T IN 11
LIQUID CRYSTAL
COIL T
9 T
DISPLAY PANEL
16
COM0 50
COM3 53
21 SL+
M702
SLED M SL IN 20
u 1 6 3
MOTOR
22 SL
28 SP+
M701 .
SPINDLE M SP IN 30
MOTOR
27 SP
MUTE
15
S701
LIMIT
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2 4
8 9 9
CF3 CF4
IC1
9 13 20 5
QUAD VCO VCC1 VCC2
Q18
FM MIX OUT CF1 RF IF CF2 FM IF FM
3 6
MIX AMP DET
MPX
FM/AM FM
17 16 MUTE
BUFFER MPX
CFT1
AM IF AM
7
DET
ST IND
IF 10
FM
BUFFER
OSC
14 15 18
PLL
IC3
OSC Q3 Q2
19 12 FM
AM
8
11 AM P1
MIX
Q1
TU5V
H FREQ
13 P0 7
VDD
CUT
AM
1 XO IF 9
OSC
2 XI Q4
CD
X1 6
CD
Q16 75kHz DA Q15
DA 5
PLL CK
15 PD1 CK 4
L.P.F
CE
CE 3
Q19
R+B
3 1 5 1 5 0 8 9
CD5V
CD RF/SERVO
PROCESSOR
IC701
18
VCC CD DIGITAL
SIGNAL PROCESSOR
IC702
Q704
RF
AMP
EMPH
RFO RF
EFM
31 14
DEMO.
FOK
FOK
25 1
PCMD
IIL C OUT BCK
CN SUB CODE D/A
23 55
SENS CLV PROCESSOR I/F LRCK
SE
24 54 SERVO
FE TTL
XROF
AMP SERIAL/
PARALLEL DATA DAT
21 56
CONVERTER TTL XLT XLT
DECODER 20 57 CPU I/F
CLK
CLK
19 59 XTAI
IIL XRST
22 50 XRST
XTAO
MDP DIGITAL
3
CLV
COMMAND
SPOA
APC 60
51 52 53 47 46 49 43 48
FOCUS PHASE TRACKING PHASE
COMPENSATION COMPENSATION
FI F BIAS
FEO TEO SLO
2 6 37 13 16
RV701
6 26 13 11 12 15 1 17
F
BIAS
22 R ST
27 R MUTE
RV704
CD
28 R CONT
T m
DA
GAIN 24 R DATA
CK
23 R CLK
CE
25 R CE IC801(1/2)
c o
SYSTEM CONTROL
4 CD XRST
30 LD ON
— 25 —
CFD-980
2
8 9 9
AU6V
RADIO L TO
11 A
TC SECTION
12 R-CH
TU5V
HI SPEED TO
B
TC SECTION
2 4 9 8 2 9 9
IC704
D/A CONV.
40 2 EMPH CD L
C
LO 12 TC SECTION
18 XI
IC705 IC706
RAM CONTROLLER D RAM
6 DATA RO 14 R CH
41 6
11 A0 A0 8
21 YSR DATA LRCK
44 9
. .
22 13 YS CK 9 5 BCK
40 11
20 12 Y LRCK A8 A8 D0 1 MUTE
31
36 15
30 17 XROF 4 22 RSTN
32
A9 35 5 A9 D3
34 NWE 33 3 NWE
X701
NRAS 34 4 NRAS
16.9344MHz
35 9 CLK NCAS 28 17 NCAS
1
.
25 YM DATA D0
. 2
21 ZSENSE 4
18
26 YM CLK D3 .
19
24
YM LD
19 SCOR ZSR DATA 16
20 NR RST Z LRCK 15
23 YD MUTE Z SCK 14
10 9 8 7
DOOR SW
CD DOOR 18
• SIGNAL PATH
:FM
:CD
— 26 —
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