Sony CFD-S38L Service Manual page 26

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3 7 6 3 1 5 1 5 0
• IC Block Diagrams
IC1 TA2104AN
GND1 1
FM RF
FM RF IN 2
AM
AM LOW OUT 3
MIX
FM FM
MIX OUT 4
MIX OSC
AM
OSC
BUFF BUFF
VCC2 5
LEVEL
DET
AM IF
AF IF IN 6
ST
IF BUFF
FM IF
FM IF IN 7 1/8
SW
GND2 8
AM
DET
IF REQ
AF BUFF
AGC
AGC 9
AF
FM
QUAD 10 DET
ST/MO
R OUT 11
FM/AM
MUTE
VCO
L OUT 12
DIVIDE
DECODE
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC301 TA2068N
ALC 1
LINE
NAB
2
OUT1
NAB
AMP1
TAPE
BUF AMP
NAB
3
RADIO
A1
NF1
REC
AMP1
REC
4
OUT1
MONITOR
26dB BUF AMP
NAB MUTE
5
AMP
IN1 B1
6
VREF ON 7dB
REF
AMP
ON 7dB
GND 7
2.1 BUF AMP
B2
NAB MONITOR
REC MUTE
8
IN2
AMP
AMP2
REC
9
OUT2
26dB
RADIO
NAB TAPE
10
NF2
NAB
AMP2
NAB
11
OUT2
BUF AMP LINE
MIC
A2
AMP1
MIC
12
NF
w w w
IC2 LC72137-D
NC 1
24 FM RF OUT
CE 2
23 VCC1
DI
CCB
22 AM RF OUT CL 4 I/F
DO 5
FM OSC
21
20 AM OSC
REFERENCE
19 OSC OUT
DIVIDER
B01 6
18 ST IND
PHASE
12BITS
DETECTOR
PROGRAMMABLE
B02 7
CHARGE
DIVIDER
PUMP
B03 8
UNLOCK
17 IF OUT I01 9
DETECTOR
POWER ON
16 DET OUT
I02 10
15 MPX IN
14 LPF2/MO-ST
SWALLOW
COUNTER
13
LPF1/BAND
1/16,1/17
4BITS
UNIVERSAL
COUNTER
11
IFIN
IC302 BH3854AS
LINE 1 32
AGND
24
IN1
IN1 2 31
INT
23 NF1 3 30
EXT
RADIO
BVN1 4 29
22
IN1
BIN1 5 28
REC MATRIX
21 BVO1 6 27
PLAY SURROUND
TIN1 7 26
TVO1 8 25
PRE
VR VR
20
OUT1 9 24
OUT1
10
VCC
LOGIC
19 VCC
SC 11 23
PRE
PORT1 12 22
18
OUT2
21
PORT2 13
20
RADIO
PORT3 14
17
19
LINE
15
PORT4 18
DGND 16
RADIO 17
16
IN2
TAPE
15
TAPE
LINE
14
IN2
MIC
13
IN
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IC701 CXA1992BR
39
22 NC
PD2 IV PD1 IV
AMP AMP
21 XOUT
20 XIN FE BIAS 40
19 AOUT
18
AIN
F 41
17 PD
F IV AMP
VSS
16
E 42
15 VDD
RESET
E IV AMP
B04
14
EI 43
1/2 FMIN
13
TGFL
VEE
VEE 44
12 AMIN
Q Q
TEO
45 3 7
E-F BALANCE
WINDOW COMP
LPF1 46
TEI 47
FILTER
IN2
ATSC 48
NF2 ATSC
WINDOW
BVN2 COMP
BIN2
TZC 49
BVO2
TZC COMP
TIN2
TVO2
VCC
OUT2
TDFCT 50
VC
TC
VC 51
BC
VCC
CK
DATA
VEE
LATCH
FZC 52
VREF
FZC COMP
1
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2 4
8 9 9
38 37 36 35 34 33
VEE
RF SUMMING AMP
VCC
APC
VEE
LASER POWER CONTROL
VCC FE AMP
VEE
VEE
VEE
MIRR
TRK GAIN
6 3 1 5 1 5 0 8 9
WINDOW COMP
FO BIAS
WINDOW
COMP
VCC
FOK
FOH
FOL
TGH IIL DATA REGISTER
INPUT SHIFT REGISTER
TGL
SENS SELECTOR
BALH
OUTPUT DECODER
BALL
ATSC
TZC
FZC
DFCTO IFB1–6 FS1–4
DFCT
BAL1–4
TM1 TOG1–4
TRACKING
PHASE COMPENSATION
TG1
FOCUS
PHASE COMPENSATION
DFCT
FS2
FS4
m
2 3 4 5 6 7
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2
8 9 9
32 31 30 29 28 27
26 SENS2
IIL
25 SENS1
TTL
C OUT
24
VCC
VCC
23 XRST
VEE
22 DATA
TTL
DFCT
21 XLT
IIL
2 4 9 8 2 9 9
IIL
20 CLK
TTL
LOCK
19
18 VCC
VCC
17 ISET
ISET
TG1–2 TM1–7 PS1–4
VCC VCC
TM6
TM4
16 SL O
15 SL M
VCC TM7
FS1
VEE VEE
CHARGE
TG2
UP
FSET
14 SL P
VEE
TM2
8 9 10 11 12 13