Sony CFD-V15 - Cd Radio Cassette-corder, Service Manual

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IC301 TA2068N
r IC BLOCK DIAGRAMS (MAIN SECTION)
IC1 CAX1538S
REG
FM FRONT-END
AM FRONT-END
VCO
REG
MPX REG.
PD 1
PD 2
MONO/ST
SELECT
1/2
COUNTER
1/2
COUNTER
MUTING
DECORD AMP
AUTOBLEND
RIPPLE
FILTER
BAND PASS
MUTE
TUNING
INDICATOR
AM
IF / DET
GND
PLL LPF 1
PILOT DET
LPF 1
PILOT DET
LPF 2
ST IND/
VCO CHECK
RCH OUT
LCH OUT
VCC
RIPPLE
FILTER
AFC/AGC 1 AFC/AGC 2
GND
TUND IND
FM IF IN
AM IF IN
BAND SELECT
PLL LPF2 MPX REG VCO FM DISCRI MUTE AM OSC AFC FM OSC REG OUT FM RF AM RF IN FM RF IN FM/AM FE OUT FE GND
2 3
5
4
6
7
8
9 10 1 11 12
13
14 15
16 17
18 19 20 30 29 28 27 26 25 24 23 22 21
FM IF /
DISCRI
21 22 23 24
2 3 5 4 6 7
8
9 10 1 11 12
13 14 15 16 17 18 19 20
LOGIC
7dB
26dB 26dB
7dB
ALC1 ALC2
DET
MIC
AMP1
1k
10k
NAB
AMP2
NAB
AMP1
ON
MUTE
MUTE MUTE
BUF AMP
A2
BUF AMP
A1
BUF AMP
B1
BUF AMP
B2
TAPE
TAPE
–––––
TAPE
–––––
LINE
RADIO
10k
10k
10k
1k
1k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
15k
6k
1k
6k
LINE
RADOI
TAPE
REC
AMP1
REC
AMP2
REF AMP
2.1
ON
ON
MONITOR
AMP
MONITOR
AMP
LIN
MIC I/EX L. RAD
L. LO REC
TAPE R. LIN MIC IN
R. LO LINE R. RAD
VCC
MIC
NF
R. PO
R. NF
R. RO
R. IN
GND
REF
L. IN
L. RO
L. NF
L. PO
AGC
r
IC BLOCK DIAGRAMS (CD SECTION)
IC703 BA6898FP
LEVEL SHIFT
VCC
DRIVER MUTE
VCC
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
THERMAL
SHUT DOWN
REG VOLTAGE DOWN,
BIAS VOLTAGE DOWN,
THERMAL SHUT DOWN
MONITOR
DRIVE DRIVE DRIVE
DRIVE DRIVE
DRIVE
SL – SL +
SL IN
RESET
REGB
REGO MUTE
GND
(SP IN)
SP IN
SP – SP +
GND
SPO
GND F – F + FIN (FIN) VRE
F
VCC VCC (TIN) TIN T – T + VRE
F
SP I
DRIVE
DRIVE
28 27 26 25 24 23 22 21 20 19 18 17 16 15
1 2 3 4 5 6 7 8 9 10 11 12 13 14
IC304 LA4597
T.S.D
BIAS
CIRCUIT
STANDBY
SWITCH
GND
GND
CH-2
CH-2
2 3 4 5 6 7 8 9 10 11 12 13 1
IC701 CXA1992BR
Charge
up
FEO
FEI
FDFCT
FGD
FLB
FE_O
FE_M
SRCH
TGU
TG2
FSET
TA_M
TA_O
SL_P
SL_M
SL_O
ISET
VCC VCC
LOCK
CLK
XLT
DATA
XRST
C. OUT
SENS1
SENS2
FOK CC2 CC1 CB CP RF_I RF_O RF_M RFTC LD PDO PD1 PD2
FE_
BIAS
F
E
EI
VEE
TEO
LPF1
TEI
ATSC
TZC
VC
FZC
TM2
VEE VEE
TM3
TM5
TM4 TM6
VCC VCC
TM7
ISET
TTL
↓
IIL
IIL
↓
TTL
IIL
↓
TTL
IIL DATA REGISTER,
INPUT SHIFT REGISTER,
ADDRESS DECODER,
SENS SELECTOR,
OUTPUT DECODER
DFCTO IFB1-6
BAL1-4
TOG1-4
FS1-4 TG1-2 TM1-7 PS1-4
FOH
FOL
TGH
TGL
BALH
BALL
ATSC
TZC
FZC
FSET
TG2
VEE
VCC
FS1
FS2
FOCUS
PHASE COMPENSATION
DFCT
FS4
TRACKING
PHASE COMPENSATION
TG1
TM1
DFCT
FZC COMP.
VEE
VCC
VCC
TDFCT
TZC COMP.
ATSC
WINDOW
COMP.
E-F BALANCE
WINDOW COMP.
TRK. GAIN
WINDOW COMP.
FO. BIAS
WINDOW
COMP.
VEE TGFL
TOG1 TOG2
TOG3
TOG4
BAL1 BAL2 BAL3
BAL4
IFB1 IFB2 IFB3 IFB4 IFB5 IFB6
FE AMP
VEE
E IV AMP
F IV AMP
VCC
APC
VCC
VEE
LASER POWER CONTROL
VEE
PD1 IV
AMP
PD2 IV
AMP
RF
SUMMING
AMP
VCC
VEE
VEE
LEVEL S VEE
MIRR
VCC
DFCT
FOK
VCC
LDON LPCL LPC TGFL MIRR DFCT1 CC1
1 2 3 4 5 6 7 8 9 10 11 12 13
26
39
40
41
42
43
44
45
46
47
48
49
50
51
52
38 37 36 35 34 33 32 31 30 29 28 27
24
24
23
22
21
20
19
18
17
16
15
14