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IC BLOCK DIAGRAM & DESCRIPTION
IC201 TA2065 (CD FORCUS TRACKING SERVO)
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48
1
2
3
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5
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14
3 ST
A
T
E
DET
DM
FMS
TS2
TS1
TS
TP
ADD
BO
TT
OM
PEAK
RFRP
RF
RFBF
VR
2VR
FE
FS
FSOSC
MD
LD
TPO
TPI
TNI
TNO
FNI
FPI
LDO
MDI
RFN
RFT
DMEO
DMEN
DMEP
SEL
Vcc
GND
OSCI
COSC
FSO
FSN
TEL2
TEL1
TSO
TS1P
TS1N
TS2P
TS2N
TS2D
THLD
FMSP
FMSN
FMSO
DFCT
RFO
RFI
VRO
ZVRO
RFRP
SBAD
DFIN
FEP
FEN
FEO
FE1
FHLD
FEL1
FEL2
TSN
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
85
64 63
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5
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8
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62
30
Correction
System
Timing
Generator
Control
Date Bus
Interface
Q Data
RAM
Subcode
Demodulation
Clock
Generator
DA
Converter
Digital Out
Correction
Circuit
16k RAM
Servo Status
Signal
Generating
Circuit
Address
Circuit
Sync
Separation
ACircuit
EFM
Demodulation
Circuit
Correction
Output
Circuit
Audio Output
Internal
Status
PLL Circuit
Data slicer
Tmax Detection Circuit
CLV Servo Circuit
AD Converter
Forcus/
Tracking
Servo
Tracking
Search
Control
Circuit
TESTX
HS
GNDD
SPDA
COFS
WDCK
CHCK
BCK
AOUT
EMPH
DOUT
TEST2
VDDX
X1
X0
GNDX
TGUH2
DMPC
DMFC
DMON
TEST
FMFB
TEST1
FMON
TKIC
TGUH1
TGUL
TEL1
TEL2
DFCT
GNDD
VDDD
PDCNT
VCOF
LPFO
LPFN
TMAX
PDO
V
DD
A
DTSC1
MONIT
DTSC2
GND
A
RF1
V
REF
RFRP
SBAD
TEOF
TESH
FE1
FEL1
FEL2
FKIC
FCSI
SEL
2V
REF
TEST3
TEST4
TEST5
GND
A
SBCK
GND
A
RO
RO
VD
A
LO
LO
V
DDD
GNDD
B
US0
B
US1
B
US2
B
US3
CCE
B
UCK
PFCK
RST
SUBSYC
SUBD
CLCK
IC301 TC9248 (CD SINGLE CHIP PROCESSER)
PARTS LIST
REF.NO. PART NO. DESCRIPTION
HEADPHONE P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
73
614 316 3466
ASSY,PWB,HEADPHONE(Only initial)
D0801
645 045 4998
DIODE 1N5391
J0801
645 045 5179
JACK STEREO,W/SW
J0802
645 045 5186
JACK SPEAKER,MONO ST-002
J0803
645 045 5186
JACK SPEAKER,MONO ST-002
J0804
645 031 1253
JACK DC PWR,PWR UIC-18-073-02
645 045 5759
SHIELD WIRE AWG32,2C UL2851
645 045 5780
COPPER WIRE,FOR C714
645 045 5957
HEAT SINK,FOR IC501
IC302 BA4510F (OPE AMP)
IC401 TC9314F (DIGITAL TUNER)
IC101 TA2092 (POWER DRIVE)
1
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12
24
23
22
21
20
19
18
17
16
15
14
13
-
+
-
+
-
+
-
+
PW GND
PW GND
VIN1
OUT + 1
PVCC1
OUT - 1
VRI
VCI
OUT - 2
PVCC2
OUT + 2
VIN2
PW GND
SVCC1
VIN4
OUT + 4
PVCC4
OUT - 4
SGND
PW GND
OUT - 3
PVCC3
OUT + 3
VIN3
