Sanyo DTA-100PA User manual

Service Manual
FILE NO.
REFERENCE No. SM5810228
PRODUCT CODE No.
164 065 03 PA
164 065 04 XE
Desktop Audio System
DTA-100 (PA)
(XE)
SPECIFICATIONS
(CD PLAYER SECTION)
Channels ...............................2 channels stereo
S/N ratio ................................60 dB
Wow & Flutter........................Below measurable limits
Sampling frequency ..............44.1 kHz
Quantization ..........................16 bits linear/ch
Pickup light source ................Semi-conductor laser
Pickup wave length ...............790 nm
Laser output ..........................Continuous wave max. 0.6 mW
(RADIO SECTION)
Tuning range .........................FM : 87.5 - 108 MHz
AM : 522 - 1,611 kHz(9 kHz step)
(GENERAL SECTION)
Power output .........................AC : 1.5 W/ch (10% T.H.D)
Speaker.................................8 cm x 2, 4ohm
Terminal impedance .............PHONES : 32 ohms
Power source ........................DC : 9 V (AC adaptor)
Dimensions ...........................430 (W) x 150 (H) x 50 (D) mm
Weight (approx.)....................1.5 kg (Without including batteries)
Specifications subject to change without notice.

- 1 -
• Pickup that emits a laser beam is used on this CD section.
CAUTION :
USE OF CONTROLS OR ADJUSTMENTS OR
PERFORMANCE OF PROCEDURES OTHER
THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.
LASER OUTPUT................ 0.6 mW Max. (CW)
WAVE LENGTH ................. 790 nm
LASER BEAM SAFETY PRECAUTION
CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.
ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ UDS ÆTTELSE
FOR STRÅLING.
VARNING – OSYNLIG LASER STRÅLNING NÄR DENNA DEL ÄR ÖPPNAD
OCH SPÄRR ÄR URKOPPLAD. STRÅLEN ÄR FARLIG.
VORSICHT – UNSICHTBARE LASERSTRAHLUNG TRITT AUS, WENN
DECKEL GEÖFFNET UND WENN SICHERHEITSVERRIEGELUNG
ÜBERBRÜCKT IST. NICHT, DEM STRAHL AUSSETZEN.
VARO – AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA
NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.

- 2 -
TUNER ADJUSTMENTS
• Use a plastic screw driver for adjustments.
• Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter.
• Set of unit
Supply voltage : DC 12V
Speaker : 8 ohms
Standard output : 50 mW
Function switch : RADIO
a.PARTS LOCATION
b. AM ADJUSTMENT Band switch : AM
Adjusting Equipment Step Gen. Set Radio To obtain MAX. output adjust.
Circuit Connection freq. freq. To Measurement
IF
AM Connect Digital Voltmeter to
band Collector of Q404
Tracking Connect VTVM and 4 ohm
load across speaker terminals.
Signal Generator coupled by
a loop antenna.
Output level must be below Repeat steps 4 and 5 obtain Maximum output.
reference output.
L703 ant. Coil.
TC702 ANT-TRIMMER.
1 T702
522kHz 522kHz
1611kHz 1611kHz
T701 (Adjust the voltage to 1.42 +/- 0.2V)
Confirm the voltage to 7.05 +/- 0.3V
5
6
450kHz 1611kHz
603kHz
1404kHz
603kHz
1404kHz
2
3
4
c. FM ADJUSTMENT Band switch : FM
Adjusting Equipment Step Gen. Set Radio To obtain MAX. output adjust.
Circuit Connection freq. freq. To Measurement
FM Connect Digital Voltmeter to
band Collector of Q404
Tracking Connect VTVM and 4 ohm
load across speaker terminals.
Signal Generator to ANT.
Output level must be below
reference output. 5 Repeat steps 3 and 4 obtain Maximum output.
T701 (Adjust the voltage to 4 +/-0.2V)
Confirm the voltage to 8.1 +/- 0.2V
L702(FM RF coil)
TC701 ANT-TRIMMER.
87.5MHz
107.9MHz
90.1MHz
106.1MHz
87.5MHz
107.9MHz
90.1MHz
106.1MHz
1
2
3
4

- 3 -
EXPLODED VIEW(CABINET & CHASSIS)
1
Y14
Y14
3
9
10
24
24
25
25
26
27
8
11
12 13
14
15
16
16 17
17
19
20
20
20
22
22
22
21
21
21
23
18
16
54
54
55
55
71
72
73
Y02 Y02
Y03
Y04
Y05
Y05
Y06
Y07
Y08
Y08
Y08 Y09
Y10
Y10
Y12
Y12
Y12
Y12
Y13
Y13
Y13
Y13
Y13
Y13
Y10
Y11
Y09
Y06
Y02
30
29
28

- 4 -
PARTS LIST
CAUTION : Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.
Regular type resistors are less than 1/4W carbon type and 0 ohm chip resistors.
Regular type capacitors are less than 50V and less than 1000µF of Ceramic type and Electrolytic type.
PRODUCT SAFETY NOTICE
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE
IEC SYMBOL !
!! IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY CAN
OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED , USE ONLY THE REPLACEMENT PARTS
DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED
IN THE PARTS LIST IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO
DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING
THE PRODUCT TO THE CUSTOMER.
REF.NO. PART NO. DESCRIPTION
DISPLAY P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
71 614 316 3459 ASSY,PWB,DISPLAY(Only initial)
C0901 403 167 7002 ELECT 4.7U M 50V,4X7MM
D0901 645 031 3653 DIODE 1N4148
D0902 645 031 3653 DIODE 1N4148
D0903 645 031 3653 DIODE 1N4148
D0904 645 031 3653 DIODE 1N4148
D0905 645 031 3653 DIODE 1N4148
D0906 645 031 3653 DIODE 1N4148
D0907 645 031 3653 DIODE 1N4148
D0908 645 031 3653 DIODE 1N4148
D0909 645 045 5797 LED
D0910 645 045 5797 LED
D0911 645 045 5797 LED
D0912 645 045 5797 LED
IC901 645 045 4905 RPM6938-V4
S0901 645 045 5155 SW TACT,PLAY
S0902 645 045 5155 SW TACT,STOP
S0903 645 045 5155 SW TACT,TU-DN
S0904 645 045 5155 SW TACT,TU-UP
S0905 645 045 5155 SW TACT,MODE
S0906 645 045 5155 SW TACT,PROG
S0907 645 045 5155 SW TACT,PRESET-DN
S0908 645 045 5155 SW TACT,PRESET-UP
S0909 645 045 5155 SW TACT,BAND
645 045 5278 DISPLAY BRACKET
645 045 5322 BACK LIGHT LENS
645 045 5919 LCD DISPLAY,SDT-A232-TP-O TN POS
645 045 6022 LCD BRACKET
645 045 6060 PVC SPL SHEET
CABINET & CHASSIS
REF.NO. PART NO. DESCRIPTION
645 045 7562 FELT PAPER
1 645 045 5346 CD DOOR LENS
3 645 045 4714 ASSY CD LID
8 645 045 6015 METAL COVER,DISPLAY PCB
9 645 045 5544 CD LID OPEN SPRING
10 645 045 4691 ASSY CABINET FRONT
11 645 045 6008 GEAR MOUNTING BKT
12 645 045 6053 GEAR DAMPER,29TO-E
13 645 045 5964 CD DOOR OPEN KNOB
14 645 045 7548 DOOR OPEN HOOK
15 645 045 5537 OPEN KNOB SPRING
16 645 042 1532 CUSHION RUBBER,CD MECHA
17 645 045 6039 MECH MTG PLATE A
19 645 045 4707 ASSY CABINET REAR
20 645 045 5353 STAND ADAPTOR,SPK L/R, UNIT
21 645 045 5261 STAND REAR CAB,UNIT/SPK
22 645 045 5698 STAND RUBBER FOOT,
NATURE RUBB
23 645 051 1455 ASSY MOUNTING BAR,SCREW
24 645 045 4639 ASSY SPK NET A
25 645 045 4653 ASSY SPK FRONT
26 645 045 4677 ASSY SPK REAR L
27 645 045 4660 ASSY SPK REAR R
28 645 045 5926 CD MECHA TPP33B,KIT
29 645 045 5971 TOP FUNCTION KNOB
30 645 045 5438 SENSOR LENS,W/TAPE
ELECTRIC-PARTS
REF.NO. PART NO. DESCRIPTION
645 045 5766 SHIELD WIRE AWG28,
UL2547 MAIN TO H/P BD
54 645 045 5209 SPEAKER 3",W/BLACK CAP
55 645 045 5902 SPEAKER WIRE,
W/MONO PLUG SPK L/R
FIXING PARTS
REF.NO. PART NO. DESCRIPTION
Y02 645 036 5911 TAPPING SCR 1.7X4,DISPLAY BD
Y03 645 045 5513 MACHINE SCR 2X3,
GEAR TO GEAR MTG BKT
Y04 645 042 1563 TPP SCR 2X4,
GEAR MTG BKT TO F CAB
Y05 645 045 5520 FBIRE WASHER,DOOR OPEN HOOK
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
645 031 1703 POLYBAG(XE)
645 045 5629 POLY BAG,MAIN UNIT
645 045 5636 POLY BAG,I/B
645 045 5803 CARTON OUTER,1 FOR 4 SETS(PA)
645 051 1677 CARTON OUTER, 1 FOR 4 SE(XE)
645 045 6114 GIFT BOX HANDLE
645 045 6770 POLYFOAM,SPEAKER PORTECT
645 045 7821 REMOTE CTL,SANYO
!
!! 645 051 1530 AC ADAPTOR(PA)
!
!! 645 051 1547 AC ADAPTOR(XE)
645 051 1561 INSTRUCTION MANUAL (PA)
645 051 1578 INSTRUCTION MANUAL (XE)
645 051 1608 CARTON INNER (PA)
645 051 1615 CARTON INNER (XE)
Y06 645 042 1563 TPP SCR 2X4,
DOOR OPEN HOOK TO F CAB
Y07 645 045 5469 TAPPING SCR 2X6,
MECH MTG PLATE TO F CAB
Y08 645 045 5469 TAPPING SCR 2X6,
MAIN PCB TO F CAB
Y09 645 045 5469 TAPPING SCR 2X6,
JACK PCB TO REAR CAB
Y10 645 031 3684 TAPPING SCR2X10,REAR CAB
Y11 645 045 5483 TAPPING SCR 2X23,REAR CAB
Y12 645 045 5490 TAPPING SCR 3X6,SPK TO SPK F CAB
Y13 645 045 5506 TAPPING SCR 3X20,
SPK REAR CAB TO SPK CAB
Y14 645 045 6749 PHOTO LENS SCR,W/NI-PLATED

- 5 -
PARTS LIST
REF.NO. PART NO. DESCRIPTIONREF.NO. PART NO. DESCRIPTION
CD MAIN P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
72 614 316 3442 ASSY,PWB,CD MAIN,
DOUBLE SIDE(Only initial)(PA)
72 614 320 9515 ASSY,PWB,CD MAIN,
DOUBLE SIDE(Only initial)(XE)
B0101 645 045 4783 BAND PASS FLTER,BPMB6A FM BAND
C0413 403 135 3302 ELECT 1000U M 6.3V,10X12.5MM
C0502 403 125 5507 ELECT 1000U M 16V,10X16MM
C0512 403 058 6008 POLYESTER 0.15U M 50V
C0618 403 366 9203 ELECT 100U M 50V,5X7MM
CF701 645 045 4790 CERAMIC FILTER,LPU450B
CF702 645 045 4806 CERAMIC FILTER,L10.7MA5-A
CF703 645 045 4813 CERAMIC DISC,JT10.7MG18
CN101 645 042 1761 HEADER 6P,B6B-ZR
CN201 645 036 5645 HEADER 16P,
FFC/DIP TYPE UP W/O LOCK
CN401 645 045 5940 HEADER 18P,FFC/DIP TYPE
CN402 645 045 5933 HEADER 19P,FFC/DIP TYPE
D0001 645 031 3646 DIODE 1N4001,RECTIFIER
D0002 645 045 4950 ZENER DIODE 6V8,MTZ J6.8B/C
D0003 645 045 4943 ZENER DIODE 5V6,MTZ J5.6B/C
D0401 645 031 3653 DIODE 1N4148
D0406 645 031 3646 DIODE 1N4001,RECTIFIER
D0407 645 031 3653 DIODE 1N4148
D0408 645 031 3653 DIODE 1N4148
D0409 645 031 3653 DIODE 1N4148
D0410 645 031 3653 DIODE 1N4148
D0411 645 031 3653 DIODE 1N4148
D0412 645 031 3653 DIODE 1N4148
D0413 645 031 3653 DIODE 1N4148
D0414 645 031 3653 DIODE 1N4148
D0415 645 031 3653 DIODE 1N4148
D0601 645 031 3653 DIODE 1N4148
D0602 645 031 3653 DIODE 1N4148
D0603 645 031 3653 DIODE 1N4148
D0604 645 031 3653 DIODE 1N4148
D0605 645 031 3653 DIODE 1N4148
D0606 645 031 3653 DIODE 1N4148
D0701 645 045 4967 DIODE 1SV101,FM VARICAP
D0702 645 045 4974 DIODE 1SV149 B,FM VARICAP
D0703 645 045 4967 DIODE 1SV101,FM VARICAP
D0704 645 045 4974 DIODE 1SV149 B,FM VARICAP
D0705 645 031 3653 DIODE 1N4148
D0706 645 045 4981 ZENER DIODE 3V,MTZ J3.0A/B
D0707 645 031 3653 DIODE 1N4148
D0708 645 031 3653 DIODE 1N4148
D0709 645 031 3653 DIODE 1N4148
D0710 645 031 3653 DIODE 1N4148
IC001 645 045 4851 IC KIA78L05BP-AT,
POSITIVE VOLTAGE REGULAT
IC002 645 045 4851 IC KIA78L05BP-AT,
POSITIVE VOLTAGE REGULAT
IC101 645 045 4868 IC TA2092N,
PWR DRIVE IC FOR CD PLAY
IC201 645 045 4875 IC TA2065F,
CD FOCUS TRACKING SERVO
IC301 645 045 4882 IC TC9284BF,
CD SINGLE CHIP PROCESSOR
IC302 645 036 5782 IC BA4510F,OPERATIONAL AMP
IC401 645 045 4929 IC TC9314F 049,
SINGLE CHIP DIGITAL TUNI
IC501 645 045 4844 IC TA8227P,
LOW FREQUENCY PWR AMP
IC601 645 045 4899 IC TC4052BFN,
DIFF 4 CHANNEL MULTI/DEM
IC602 645 045 4936 IC PT2256,
DUAL ELECTRONIC VOL CTL
IC701 645 045 4912 IC TA2104AFN,
3V AM/FM 1 CHIP TUNER IC
J0401 645 031 1208 SW PUSH,CD DOOR
L0401 645 045 4738 FIXED INDUCTOR COIL,
AL0305-101K-09-S
L0402 645 045 4738 FIXED INDUCTOR COIL,
AL0305-101K-09-S
L0701 645 045 4752 FM COIL,FM OSC
L0702 645 045 4745 FM COIL,FM RF
L0703 645 045 4769 AM COIL
L0704 645 045 4738 FIXED INDUCTOR COIL,
AL0305-101K-09-S
Q0001 645 045 5001 TR 2SB892,PNP
Q0002 645 045 5087 TR DTC114ES,NPN
Q0003 645 045 5094 TR KTC3205Y,NPN
Q0004 645 045 5001 TR 2SB892,PNP
Q0005 645 045 5087 TR DTC114ES,NPN
Q0006 645 045 5049 TR 8050C,NPN
Q0201 645 045 5070 TR KTA1266Y,PNP
Q0401 645 045 5032 TR 9014C,NPN
Q0402 645 045 5032 TR 9014C,NPN
Q0403 645 045 5100 TR KTC3199L GR,NPN
Q0404 645 045 5100 TR KTC3199L GR,NPN
Q0405 645 045 5032 TR 9014C,NPN
Q0501 645 045 5032 TR 9014C,NPN
Q0502 645 045 5032 TR 9014C,NPN
Q0601 645 045 5032 TR 9014C,NPN
Q0602 645 045 5032 TR 9014C,NPN
Q0603 645 045 5087 TR DTC114ES,NPN
Q0604 645 045 5087 TR DTC114ES,NPN
Q0701 645 045 5025 TR 9018G,NPN
Q0702 645 045 5063 TR 8550C,PNP
Q0703 645 045 5087 TR DTC114ES,NPN
Q0705 645 045 5087 TR DTC114ES,NPN
Q0706 645 045 5087 TR DTC114ES,NPN
Q0707 645 045 5087 TR DTC114ES,NPN
Q0708 645 045 5056 TR C1815GR,NPN
Q0709 645 045 5056 TR C1815GR,NPN
Q0710 645 045 5018 TR 2SK118,FET
S0401 645 045 5162 SW TACT,TS3100114C POWER
S0402 645 045 5162 SW TACT,TS3100114C FUNCTION
S0403 645 045 5162 SW TACT,TS3100114C CLOCK
S0404 645 045 5162 SW TACT,TS3100114C SLEEP
S0405 645 045 5162 SW TACT,TS3100114C TIMER
S0406 645 045 5162 SW TACT,TS3100114C SNOOZE
S0407 645 045 5162 SW TACT,TS3100114C VOL -
S0408 645 045 5162 SW TACT,TS3100114C VOL +
S0409 645 045 5162 SW TACT,TS3100114C X-BASS
T0701 645 045 5131 AM OSC COIL,AM OSC 005-044P
T0702 645 045 5124 AM IFT COIL,106-088
T0703 645 045 5117 DC-DC CONVERTER,7E6-1042
TC701 645 045 4837 TRIMMER 10PF,CVN610
TC702 645 045 4837 TRIMMER 10PF,CVN610
VR201 645 045 5193 SEMI-FIXED,EVND8AA03B
X0301 645 045 4820 CERAMIC RESONATOR
X0401 645 045 5216 CRYSTAL
645 045 4592 ASSY BAR ANT
645 045 4776 FERRITE BAR,FOR L703
645 045 5223 ANT BRACKET
645 045 5414 SPONGE,FOR L701, L702
645 045 6091 FLEXIBLE WIRE 18P,
TO MAIN BD CN401
645 045 6107 FLEXIBLE WIRE 19P,
TO MAIN BD CN402
645 036 5942 TAPPING SCR1.7X2,DISPLAY
645 045 7678 ZEBRA CONNECTOR

- 6 -
IC BLOCK DIAGRAM & DESCRIPTION
IC201 TA2065 (CD FORCUS TRACKING SERVO)
38 37 36 35 34 33 32 31 30 29 28 27 26 25
24
23
22
21
20
19
18
17
16
15
39
40
41
42
43
44
45
46
47
48
12345678910 11 12 13 14
3 STATE
DET
DM
FMS
TS2
TS1
TS
TP
ADD
BOTTOM
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
1 2 3 4 5 6 7 8 9 10111213 14151617181920 21222324
25
26
27
28
29
31
32
33
34
35
36
37
38
39
40
414243444546474849
505152535455565758596061
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
V DDX
X1
X0
GNDX
TGUH2
DMPC
DMFC
DMON
TEST
FMFB
TEST1
FMON
TKIC
TGUH1
TGUL
TEL1
TEL2
DFCT
GNDD
V DDD
PDCNT
VCOF
LPFO
LPFN
TMAX
PDO
V
DDA
DTSC1
MONIT
DTSC2
GNDA
RF1
V
REF
RFRP
SBAD
TEOF
TESH
FE1
FEL1 FEL2
FKIC FCSI
SEL
2V
REF
TEST3 TEST4 TEST5
GNDA
SBCK
GNDA
RO
RO
VDA
LO LO
V
DDD
GNDD
BUS0 BUS1 BUS2 BUS3
CCE
BUCK
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)
1234 5 678910 11 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

- 7 -
IC BLOCK DIAGRAM & DESCRIPTION
IC301 TC9248 (CD SINGLE CHIP PROCESSER)

- 8 -
IC & TRANSISTOR VOLTAGES
IC201 TA2065F (V)
Pin No. 12345678910111213141516
Voltage 1.6 2 2 4 1.9 2 2.1 222222222
Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Voltage 2 2.5 0 4.8 4.8 2 2 2.1 2 2.1 2 2 2.2 2.1 1.9 1.9
Pin No. 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
Voltage 2 2.1 2.1 2 2.1 2 1.8 2.6 2 1.8 2.1 2.1 4.5 0 2.1 1.2
IC301 TC9284BF (V)
Pin No. 12345678910111213141516
Voltage 02.32.552.52.305552.950444
Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Voltage 4 3.5 4.4 2.3 5000502.12.12.12.12.32.1
Pin No. 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
Voltage 1.8 2 5 2.2 5 2.1 2.1 2.1 4.2 5 2.5 2.5 2222
Pin No. 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
Voltage 2 2 1.8 2.1 2.1 0 4 0 2.4 5 5 2.1 2.1 1.9 1.9 1.4
Pin No. 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
Voltage 05011.62.52.52.51.602.54.801.920
IC302 BA4510F (V)
Pin No. 12345678
Voltage 2.2 2.3 2.3 0 2.3 2.3 2.2 4.5
IC101 TA2092N (V)
Pin No. 12345678910111213141516
Voltage 0 2.3 4.9 1.9 2.6 2.1 2.1 2.1 2.1 4.8 2.1 0 0 1.9 4.8 2.3
Pin No. 17 18 19 20 21 22 23 24
Voltage 2.1 0 4.8 2.1 2.1 4.8 2.1 0
IC601 TC4052BFN (V)
Pin No. 12345678910111213141516
Voltage 2.5 0 0 3.4 00002.54.52.52.50.9006.2
IC602 PT2256 (V)
Pin No. 12345678910111213141516
Voltage 0 2.7 2.7 2.7 2.7 5.4 5.4 0 5.4 6 4.8 2.7 2.7 2.7 2.7 5.5
IC501 TA8227P (V)
Pin No. 123456789101112
Voltage 8.2 4.2 7.8 0 0.5 0 0 0.5 4.5 7.8 4.2 8.2
IC401 TC9314F-049
(
CD
)
(V)
Pin No. 12345678910111213141516
Voltage 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Voltage 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Pin No. 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
Voltage 1.5 1.7 1.7 1.7 2.7 4.8 4.8 0000004.23.94.1
Pin No. 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
Voltage 4 4 3.8 0 0 5.3 0 0 0 4.8 000005.2
Pin No. 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
Voltage 5.4 0 5.4 1.4 1.4 1.4 1.4 1.4 1.4 0.5 0.5 0.5 1.7 4.8 4.8 0

- 9 -
IC & TRANSISTOR VOLTAGES
IC401 TC9314F-049
(
AM
)
(V)
Pin No. 12345678910111213141516
Voltage 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Voltage 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Pin No. 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
Voltage 1.5 1.5 1.5 1.5 2.5 4.7 4.7 000000000
Pin No. 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
Voltage 0 0 0 1.9 5.3 5.3 4.6 0 0 0 4.7 00005.2
Pin No. 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
Voltage 0 0 5.4 2.6 5.3 1.9 1 0 0 2.7 4.8 4.8 0 0.8 1.6 3
IC401 TC9314F-049
(
FM
)
(V)
Pin No. 12345678910111213141516
Voltage 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Voltage 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Pin No. 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
Voltage 1.5 1.7 1.7 1.7 2.4 4.7 4.7 4.7 00000000
Pin No. 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
Voltage 0 0 0 1.9 5.2 5.4 00004.800005.2
Pin No. 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
Voltage 5.3 0 5.3 2.6 5.3 4.4 1 0 2.7 0 4.8 4.8 0 0.8 1.6 3
IC701 TA2104AFM
(
AM
)
(V)
Pin No. 12345678910111213141516
Voltage 001332.530031.21.20001
Pin No. 17 18 19 20 21 22 23 24
Voltage 1.5 5.4 3 3.2 3.1 3.1 3.1 3.1
IC701 TA2104AFN
(
FM
)
(V)
Pin No. 12345678910111213141516
Voltage 0 0.4 0.2 3 2.4 2.9 2.9 0 0 2 1.2 1.2 2.1 0 0 0
Pin No. 17 18 19 20 21 22 23 24
Voltage 0 5.3 2.8 33033
IC601 TC4052BFN 4 CHANNEL MULUTI DEM) IC701 TA2104(3V AM/FM TUNER IC)
RF
GND
FM
RF OUT
FM
RF IN
RF
Vcc
AM
LOW
CUT
MIX
OUT
FM
OSC
AM
RF IN AM OSC ST LED
OSC
OUT
Vcc AM
IF IN FM IF IN GND
IF
REQ OET OUT LPF1 LPF2
AGC QUAD R-OUT L-OUT
24 21 20 19 18 17 16 15 14 132223
145678910111232
AM
OSC
FM
OSC
AM
MIX
AM
OSC AM
DET FM DET
FM
MIX AGC
BUFF
FMRF
BUFF
ST
ST
SW
IF
BUFF
AF
BUFF
FMIFAMIF
AF
IF
REQ
ST/MO
FM/AM
MJTE
VCO
DIVIDE DECODE
IC BLOCK DIAGRAM & DESCRIPTION