Block Diagram - Main Section - Sony CFD-C1000 Service Manual

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5-4. BLOCK DIAGRAM — MAIN SECTION —
MAIN BOARD (2/2)
HP301
PLAYBACK HEAD
(DECK-A)
CN301
3
L-CH
CN502
5
L-CH
4
HRP301
REC/PB SW
REC MUTE
RECORD/PLAYBACK
Q102,103
Q125
HEAD
(DECK-B)
REC/PB SW
Q302
REC/PB
R-CH
SW
Q303,304
HE301
REC SW
ERASE HEAD
Q314
CN303
(DECK-B)
2
1
Q316
BEAT CUT
ANT1
FM TELESCOPIC
ANTENNA
FM TUNER UNIT
FE1
CF1
8
1
3
4
IF AMP,DET,MPX
L4
JK303
AM ANT
AM RF
2
AM
AMP
21
EXT
1
Q8
ANT
TC2
L5
L4,TC2
AM
AM
FREQUENCY
TRACKING
CONVERAGE
L5
AM OSC
16 18 19 20
X1
7.2MHz
1
X IN
23
X OUT
04
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TAPE REC/PB PRE AMP
IC301
A-L
1
OUTR
15
R-CH
LINE AMP
IC303
OUTL
B-L
5
32
14
ALC
BIAS
MEGA BASS
TR-C
TR-B
CD-L
TU-L
NOR
A/B
Q121
29
30
12
10
27
28
DECK A/B
DECK A/B
CONTROL
SELECTOR
Q305,306
Q313
REC SW
Q308
Q301
L301
CD ON
RADIO ON
+7.5V
SWITCH
SWITCH
Q312
Q311
1
CD L-CH
CD SECTION
CF2
RF IF AMP
FM POWER
+FM
+10V
CONTROL
Q1
Q14
CF4
1
7
8
FM IF
FM+B
IC2
L OUT
FM DET
AM
MPX
MUTE
R OUT
MIX
AM DET
AM
IF
OSC
OSC
AM MIX
AM IF
23
24 2
4
10
11 12 20 6
AM IFT
T2
T2
AM IF
CF3
15
12
8 9 10 11
CE
DI
PLL
CLK
IC3
DO
– 19 –
POWER BOARD
ELECTRONIC VOLUME
IC304
MUTE
Q380
CN313
CN313
L IN
L OUT
7
3
3
TONE
2
8
4
4
MUTE
SDA SCL
Q382
9 10
+5V REG
HP5V
IC309
SYSTEM CONTROL
IC801(2/2)
POWER
SYSTEM
82
83
SW OUT
MUTE
4
SCL
SDA
AC CHK
1
22
MEGA BASS
21
REC
34
RADIO LED
88
86
CD LED
MOTOR
MOTOR
CONT
CONTROL
20
BEAT CONT
98
OUT
Q309,310
TC A
99
TC B
100
13
Q123
SEG26
80
R-CH
14
I
I
SEG11
65
84 TUNER MUTE
SEG10
RESET
I
3
38 RESET
64
IC802
SEG0
I
COM3
I
50
S301
COM0
RESET
3
15 CE OUT
4
17 DATA OUT
5
14 CLOCK
LED VDD
23
6
16 DO IN
LED POWER
+10V
CONTROL
Q811,812
HEADPHONE AMP
IC308
5
7
MUTE
POWER
2
MUTE
POWER AMP
Q381
IC305
11
2
MUTE
5
POWER
MUTE
Q321
+10V
ERROR
DET
Q322,323
12
12
+15V
11
11
-15V
5
5
+9V REG
M9V
Q380
2
2
+10V REG
+10V
Q325
4
4
+7.5V REG
+7.5V
Q326
9
9
+5V REG
+5V
IC306
VOLTAGE
10
10
CHECK
Q328
CN314
CN314
TAPE SPEED
M301
MD BOARD
SFR301
(CAPSTAN/REEL)
2
2
M
4
4
S1 (MOTOR)
DECK-A
5
5
S2 (PLAY)
7
7
S3 (PLAY)
6
6
DECK-B
S4 (REC)
CN305
CN305
S5 (MOTOR)
LCD BOARD
CN801
SEG26
1
1
LIQUID
SEG11
16
16
CRYSTAL
DISPLAY
PANEL
LCD801
SEG10
1
1
SEG0
COM3
COM0
15
15
LAMP BOARD
+9.5V
16
16
17
17
LCD BACK LIGHT
CN802
CN802
LP801-803
– 20 –
CFD-C10
HEADPHONE BOARD
CN308
4
4
2
2
R-CH
1
1
JK302
PHONES
CN308
+
SP901
SPEAKER (L-CH)
+
R-CH
SP902
SPEAKER (R-CH)
JK301
SPEAKER IMP.6Ω
PT1
RECT
CN307
POWER
D330
F302
TRANSFORMER
3
1
F303
RECT
~
D327
AC
F301
2
AC BOARD
1
CN306
• Signal path
: FM
: AM
: PB
: REC
: CD
• R-ch : same as L-ch.

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