Revision History .............................................................................................................................................. 1
CPU Pins.........................................................................................................................................................13
Parts List 1 ..................................................................................................................................................... 17
Parts List 2 ..................................................................................................................................................... 85
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Introduction
Manual Scope
This manual is intended for use by qualified technicians only.
1
Product Controls
TC-508 Service Manual
No.Part NameNo.Part NameNo.Part Name
1PTT Key
○
4Antenna
○
7Speaker
○
Battery Latch
10
○
Strap Hole
13
○
Screw
16
○
2SK1 (programmable)
○
5Channel Selector Knob○6
○
8Microphone
○
11
○
14
○
17
○
Accessory Jack Cover
Belt Clip
Charging Piece
2
3SK2 (programmable)
○
RadioOn-Off/Volume
Control Knob
9LED Indicator
○
12
○
15
○
Accessory Jack
Battery
TC-508 Service Manual
Software Specifications
Status Indication
Operations/FunctionsLED Indications and Alert Tones
To enter Wired Clone Mode:
Source radio: Power on the radio while
holdingdowntheSK1keyfor
approximately 2 seconds.
Target radio: turn it on directly.
Wired
Clone
Power On (to enter User Mode)
Low Battery Alert
Transmitting
ReceivingThe LED glows green during receiving.
Scan
Status of the source radio in Wired Clone
Mode
(After the target radio is turned on and
the cloning cable is connected, press the
PTT key of the source radio to begin
cloning.)
Status of the target radio in Wired Clone
Mode
The LED on the source radio flashes red once during
the power-on process.
The LED glows red during cloning process.
Error occurs during cloning:
a. User Clone: At the start of cloning, frequency
bandandModelIDwillbe
checked. The LED glows orange
for 2 seconds and then goes out in
presence of any check failure. If
thecheckissuccessfully
carried out but error occurs
during cloning, the LED will
flash orange. In this case, press
any key to turn it off.
b. Factory Clone: The LED flashes orange in
presence of error. In this case,
press any key to turn it off.
The LED glows green after cloning is completed.
The LED glows green during cloning.
The green LED goes out after cloning is completed.
When the radio is turned on, a power-on alert tone
sounds and the LED flashes orange once.
When the radio is currently on a blank channel, it
sounds beep tones continuously.
The LED flashes red, and a low-pitched tone sounds
every 20 seconds (programmable by the dealer).
The LED glows red during transmitting.
When TOT timer expires, the radio sounds beep tone
continuously.
A TOT pre-alert tone sounds before the TOT timer
expires.
The LED flashes green once per second during
scanning.
Scan Start Alert (programmable by the dealer): one
beep will sound.
Scan End Alert (programmable by the dealer): two
continuous beeps will sound.
3
Writing/Reading
TC-508 Service Manual
The LED glows red when the PC is reading data from
the radio.
The LED glows green when the PC is writing data into
the radio.
A low-pitched tone sounds when the radio switches
Power Adjustment
VOX / Channel Lock / Monitor
from high power to low power.
A high-pitched tone sounds when the radio switches
from low power to high power.
One beep tone for enabling;
Two beep tones for disabling.
Description of Modes
User Mode
It is a conventional communication mode. The radio will enter this mode by default after power-on.
PC Programming Mode
The radio in User Mode enters PC Programming Mode through specific protocol based communication
with the programming software. In this mode, radio functions and tuning parameters can be set through
the programming software (including User Version and FactoryVersion).
Wired Clone Mode
1. Description
Wired Clone Mode is an independent mode. To access other modes, you must restart the radio.
Wired Clone Mode includes Clone Mode and Factory Clone Mode.
1) Clone Mode:
Connect two radiosusing a cloning cable. Poweronthe source radio while holdingdown the SK1 key;
and it will enter Clone Mode in approximately 2 seconds. The target radio can be directly turned on to
enter the User Mode. In this mode, data stored in EEPROM of the source radio will be cloned to
EEPROM of the target radio. The data transferred only involves channel data and common
parameters, excluding tuning data, version and serial No. of the model.
2) Factory Clone Mode:
Connect two radios using a cloning cable. Power on the source radio while holding down the SK1 key,
and it will enter User Clone Mode by default in approximately 2 seconds. Afterwards press the SK1
key again to switch to the Factory Clone Mode. As for the target radio, directly power it on to enter the
User Mode. The data transferred covers all data in EEPROM (including settings for the Manual Tune
Switch), other than the serial No.
2. Process
1) The LED flashes red once after the source radio enters the Wired Clone mode. Press thePTT key
to begin to clone data to the target radio.
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TC-508 Service Manual
2) During cloning, the LED of the source radio glows red, and the LED of the target radio glows green.
When cloning finishes,both LEDs go out, indicating that both radios are ready for another cloning.
3) If any abnormal situation occurs during cloning, the source radio will stop cloning and its LED will
flash orange, indicating that it is ready for another cloning.
4) When cloning ends, the source radio goes back to standby status. Press the PTT key again to
begin another cloning operation.
Manual Tune Mode
In this mode, you can manually tune the frequency deviation, power level and squelch level and etc.
Description of Tuning:
1. To enter Manual Tune Mode
Hold down thePTT andSK1 key for 2 seconds while powering on the radio. The LED glows orange to
indicate that the radio has entered the Manual Tune Mode. After the keys are released, the radio directly
enters the TX group by default (the tuning item depends on the position where the Channel Selector
knob locates).
(Note: To enter the Manual Tune Mode, make sure its switch is set to Open via the programming
software. If this switch is set to Close, the radio cannot enter this mode, which helps avoid change of
parameters and degradation of radio performance caused by user’s misoperations.. Keep this option
unchecked after values are well adjusted from factory, to avoid any unexpected change of values. Such
values can only be reset and changed in Manual Tune Mode only. )
2. To switch between TX tuning items and RX tuning items
Rotate the Channel Selectorknob to switch between TX tuning items and RX tuning items.
The LED glows red for TX tuning items and green for RX tuning items.
3. To switch between tuning items within TX group/RX group
TX group: CH1 to CH9 respectively represent TX Low Power,TX High Power, CDCSS Balance, CDCSS
The LED solidly glows red during TX group tuning (CH1 to CH9).
RX group:CH10 to CH13 respectively represent SQL Normal Open, SQL Normal Close, RX Low Voltage
Threshold and Bandpass Filter.
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TC-508 Service Manual
The LED solidly glows green during RX group tuning (CH10 to CH13).
The LED goes out upon invalid items (CH14 to CH16).
4. To switch between wide and narrow band
Under a certain tuning item, long press the PTT key (the LED flashes orange to indicate valid press) to
switch between wide and narrow bands. After the band is selected, the first frequency of the current
band is the frequency for tuning by default.
5. To switch the frequency
Under a certain band, short press the PTT key (the LED flashes green to indicate valid press) to switch
the frequency orderly.
6. To tune the value
Under a certain band, short press the SK1 key to increase the value in step of 1, or hold down this key to
increase the value continuously in steps of 1. The value will remain unchanged once it reaches the
allowed maximum value.
Short press the SK2 key to decrease the value in step of 1, or hold down this key to decrease the value
continuously in steps of 1. The value will remain unchanged once it reaches the allowed minimum value.
7. About several special items
TX group: CH8 represents TX Low Voltage Threshold, which is related to AD sampling. Press the SK1 or
SK2 key after entering the above item, to activate AD sampling (including calculation) once.
Rotate the Channel Selectorknob to save the current AD sampling value.
RX group:CH10 to CH12 represent SQL Normal Open, SQL Normal Close and RX Low Voltage
Threshold respectively, which are related to AD sampling. Press the SK1 or SK2 key after
entering the above items, to activate AD sampling (including calculation) once. Rotate the
Channel Selector knob to save the current AD sampling value.
8. About the Key-press
Short press: key-press time shorter than 1 second;
Long press: key-press time longer than 1 second.
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TC-508 Service Manual
Circuit Description
1. General Principle Diagram
The general circuit is composed of TX circuit, RX circuit, power supply circuit, control circuit and etc. See
the block diagram below:
Figure 1
TX Section: The audio signal from MIC is sent to the MCU chip (U601) directly. The baseband signal
processing circuit in U601 converts the amplified audio signal to digital signal via A/D conversion, and
then converts the digital signal to analog audio signal via D/A conversion after all processing procedures
such as filtering, signal compression, encryption, pre-emphasis, TX gain control and amplitude limiting
are completed. Then the analog audio signal from MCU passes through the low-pass filter circuit and
directly goes to VCO for frequency modulation. The modulated HF carrier signal passes through the
buffer amplifiers (Q104 and Q406), and goes to the amplifier (Q401) through the RF switch (D404). Then
the amplified RF signal enters the low-pass filter circuit after it is further amplified by the pre-driver (Q402)
and final-stage power amplifier (Q403), and then it will be finally transmitted via antenna after ultra
harmonics is removed.
RX Section: RF signals received via the antenna are fed to the band-pass filter to filter out undesired
out-of-band interference signal. Then the remaining RF signals are amplified by LNA Q501. Afterwards,
the amplified signal goes through the bandpass filter again to filter out undesired out-of-band
interference signal. Next, the RF signals will be mixed with the first local oscillator signal at Q502. Then
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TC-508 Service Manual
the newly generated signals will be processed by crystal filter XF501 to produce 38.85M the first IF
signal. After being amplified, the IF signal goes via Q506 to the chip U611, where the IF signal will be
mixed with the second local oscillator for the second time to produce the 450KHz second IF signal. After
filtered by 450KHZ ceramic filter, U611 demodulates the IF signal to output audio signal, which will be
delivered to Q613 for amplification and output in two channels. After simple filtering, one of the channels
is fed to MCU U601 for CTCSS/CDCSS decoding; For the other channel, it goes through two stages of
low-pass filter first, and then it goes to high-pass filter (consisting of 4 operational amplifiers) for audio
processing. Finally, the signals will be sent to audio power amplifier U302 for amplification so as to drive
the speaker.
Power Supply Section: The 7.4V battery voltage is converted to 5V via DC-DC module U604, and further
converted via LDO U602 to 3V including two channels: VCC and VDD. VCC powers CPU and VDD
powers PLL circuit. The 5V voltage will be converted via LDO U606 to 4.5V including two channels: VT
and V-SAVE. V-SAVE powers VCO circuit and VT powers TX circuit. Finally, V-SAVE controlled by Q604
and Q305 outputs VR, which supplies RX circuit.
2. Realization Methods of Basic Functional Modules
2.1 PLL Frequency Synthesizer
The PLL circuit mainly provides the first local oscillator signal (for RX) and RF carrier signal (for TX). It is
composed of VCO and PLL chip, allowing frequency tracking and channel switching under the control of
MCU signals.
1) PLL
Figure 2
The step frequency of PLL circuit is 5 KHz or 6.25 KHz. In U101, the 38.4MHz reference oscillator signal
is divided into 5 KHz or 6.25 KHz reference frequency via a fixed counter in PLL. The signal from VCO
enters the PLL after processed by the buffer amplifier, and then it is applied to the variable frequency
divider in PLL for division. After division, the signal is compared with the reference frequency at the
phase detector (PD) in PLL. The signal from the PD passes through a low-pass filter and then is applied
to the varactors (D101 and D102) of VCO to control the output frequency. Then the RF signal is
processed by the buffer amplifiers (Q104 and Q406), and controlled by D404 and D405 to only serve as
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TC-508 Service Manual
TX signal or RX first local oscillator signal.
2) VCO
The VCO section is realized by the three-point capacitor oscillator circuit. TX VCO and RX VCO share
the same oscillator circuit. Q103 controls the switch between TX VCO and RX VCO.
Note: If the PLL is unlocked, the LD pin of U101 outputs low level. If the microprocessor detects such
situation, TX/RX operation is prohibited, and an alarm sounds.
2.2 RF Power Amplifier Circuit (TX Section)
Figure 3
The modulated carrier signal from VCO is pre-amplified at Q104 and Q406, and controlled at D404 and
D405. Then it is amplified by the front-stage amplifier Q401, the pre-driver Q402 and the final-stage
amplifier Q403 orderly. Finally it goes to the LC low-pass filter (LPF) and is transmitted from the antenna
after high-order harmonics are removed by LPF.
APC circuit is composed of Q404, Q405 and U401. U401 controls the bias voltage at the gates of Q402
and Q403, to control TX current and to further regulate power.
2.3 RX LNA and Mixer Circuit (RX Section)
ANT LPF
VDD
4
Crystal
BUSY
SQUELCH DET
CIRCUIT
R562
C597
NOISE FILLER
CIRCUIT
R509
C553
R510
N-DET
FIL OUT
FIL IN
DEMODULATING
CIRCUIT
CD501,R502,
C536
IF2 FILLER
CF501
450 KHz
DEMODULATING IC
U611
BA4116FV
AF
AF AMP
U613
TA75S01F
AF PROCESSING
AF
U610 ,C554,R538
38.4MHz
CIRCUIT
XT101
QT-AF
IF1 AMP
Q506
132
IF1 FILLER
XF501
38.85MHz
AFW/N
MIXER
Q502
2SK318
LO
BPF2
BPF1
LNA
Q501
AT41511
Figure 4
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TC-508 Service Manual
After the RF signals are received from the antenna, the undesired out-of-band signals are filtered out at
the bandpass filter.Then the remaining RF signals are amplified by LNA Q501. Afterwards, the amplified
signal goes through the bandpass filter again to eliminate undesired out-of-band interference signal.
After being filtered and amplified, the RF signals and first LO signals are mixed at Q502, and then the
mixed signal is filtered by crystal filter XF501 to get 38.85MHz differential signals as the first IF signal.
After being amplified by Q506, the IF signal goes to chip U611, where the signal will be mixed with the
second LO signal (38.4MHZ). Next, the signals will be filtered by CF501 to produce 450KHz IF signal.
When the IF signals are processed by demodulation circuit (including U611 and CD501) to generate
audio signals, which are delivered to IC Q613 for amplification and output in two channels. After simple
filtering, one channel of signals is sent to MCU U601 for CTCSS/CDCSS decoding; for the other channel,
it goes through two stages of low-pass filter first, and then it goes to high-pass filter U610 (consisting of
four operational amplifiers) for audio processing. Finally, the signals will be sent to audio power amplifier
U302 for amplification so as to drive the speaker.
2.4 MCU Control, Signal Processing and Audio Power Amplification
MIC
B201
2
1
SPK
QT_OUT
MODE
SW_CHANNAL
2
1
QT_MODULATING
FILLER
R607
R632
R206
R204
C204
C205
AF_MODULATING
FILLER
EC0/EC1/EC2/EC3
RESET IC
U605
E2ROM
U603
D601
LED
D602
LED
BEEP
MODE_OUT
RESET
SDA/SCL
AF AMP
U302
QT_OUT
AF
AF_SW
Q302
SW
VOLUME
S201
BATTERY
R_LED
T_LED
G602
BEEP
AF_MUTE
VOX_DET
Q611
D616
VOX
U601
MCU
SRT3210
MIC I N
RXD
TXD
DATA/STB/CK
SP_JACK
J3
PJ-D3027D
MICJACK
LD
PTT/SK1/SK2
APC
T/R
RF_MUT E
SAVE
Figure 5
10
W/N
TX_CTL
TC-508 Service Manual
1) MCU Control Circuit
MCU control circuit is composed of MCU, EEPROM, and keys, etc. This section has the following
functions: to initialize data of the radio and save data to EEPROM; to detect battery voltage and signals
from external keys, LD and VOX, and to make response; to transmit required data to PLL based on the
channel encoding status; to switch and control RX/TX based on the input PTT signal; to switch the
squelch circuit on/off based on the input signaling decode signal and squelch level signal; to control
circuits of high/low power switch, audio power amplifier, VCO power supply, RX power supply and TX
power supply; (for programming) to communicate with PC via RXD/TXD based on the RS232 protocol,
and transmit/receive data to/from PC.
2) Signal Processing Circuit
a. TX Baseband Processing
The audio signals input from MIC are divided into two parts. One part enters U601, and is then converted
into digital signal by analog-to-digital conversion (ADC). Afterwards, the converted signal will go through
a series of processing including low-pass filtering, AGC, companding, high-pass filtering, encrypting and
pre-emphasizing, and then it will be output as baseband signal after digital-to-analog conversion (DAC).
The baseband signal is processed by the active low-pass filter and then sent to VCO for modulation; for
the other part, it will go through VOX circuit (Q611and D616) and then sent to MCU for VOX processing.
b. RX Baseband Process
The demodulated IF signals with CTCSS/CDCSS signaling enter U601 for decoding. After
analog-to-digital conversion, the IF signals will be converted into digital signals, which go to low-pass
filter for filtering and then are divided into two parts. One part is processed by CTCSS/CDCSS decoder,
and the other is processed by high-pass filter and then is subject to de-emphasis, decryption, signal
expansion etc, and finally digital-to-analog conversion to output audio signal.
3) Audio Power Amplifier
The audio signal output from U601 is amplified by the audio power amplifier (U302) to drive the speaker
directly.
11
2.5 Power Supply Section
VR
VT
V_SAVE
RF_MUTE
VR SW
Q604
Q305
SAVE
LDO
U606
TC-508 Service Manual
TX_CTL
VCC
VDD
LDO
U602
LDO
U604
5V
V_BAT
Figure 6
Power Supply Section: The 7.4V battery voltage is converted to 5V via DC-DC module U604, and further
converted via LDO U602 to 3V including two channels: VCC and VDD. VCC powers CPU and VDD
powers PLL circuit. The 5V voltage will be converted via LDO U606 to 4.5V including two channels: VT
and V-SAVE. V-SAVE powers VCO circuit and VT powers TX circuit. Finally, V-SAVE controlled by Q604
and Q305 outputs VR, which supplies RX circuit.
12
TC-508 Service Manual
CPU Pins
Pin No.Port NamePin NameI/OFunction
1NC///
2NC///
3NC///
4NC///
5NC///
6TXDTXDOUARTTxD
7RXDRXDIUARTRxD
8P60APA_ENOSpeaker control pin (H: on; L: off)
9P61SAVE_CTLOBattery save control pin. In non-battery-save
status, it is set to high level.
10P62EXT MICIFor checking MIC connection (valid at high level)
11P63EXT PTTIEarpiece PTT input pin (valid at high level)
12P64Red LEDORed LED indicator pin
13P65Green LEDOGreen LED indicator pin
14P66R/TOFor TX/RX control (H: RX; L: TX)
15P67RX_CTRLOFor RX power control (valid at high level)
16VssdGNDSPower ground for digital circuit
17VdddVCC(3.0V)SPower supply for digital circuit
18P50/INT0ReserveOReserved
19P51/INT1ReserveOReserved
20P52/INT2ReserveOReserved
21P53/INT3SK2IProgrammable SK2 pin (valid at low level,
connected with pull-up resistor)
22P54/INT4SK1IProgrammable SK1 pin (valid at low level,
connected with pull-up resistor)
23P55/INT5PTTIPTT key pin (valid at low level, connected with
pull-up resistor)
24P56/INT6ReserveOReserved
25P57/INT7ReserveOReserved
26Vdd_CLDVCC(3.0V)SPower supply for digital power amplifier
27CLD_OUTPCLD_OUTPOPositive output of digital power amplifier
28VSS_CLDGNDSPower ground for digital power amplifier
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TC-508 Service Manual
29CLD_OUTMReserveONegative output of digital power amplifier
30Vdd_CLDVCC(3.0V)SPower supply for digital power amplifier
31P77ReserveOReserved
32P76/DAC1APC/TUDATX power control/ RX bandpass control pin
33P75/VREFVCC(3.0V)IADC and DAC reference voltage input pin
34P74/DAC0QT_OUTDACTCSS/CDCSS output pin
35P73/AD3VOXADFor detecting VOX
36VssaGNDSPower ground for analog circuit
37VddaVCC(3.0V)SPower supply for analog circuit
38P72/AD2ReserveADReserved
83P41/SEG25SCLOEEPROM clock pin (connected with pull-up
resistor)
84P42/SEG26SDAOEEPROM data pin (connected with pull-up
resistor)
85P43/SEG27W/NOWide/ narrow band control pin (H: wide; L:
narrow)
86P44/SEG28LEOPLL enable pin
87P45/SEG29DATAOPLL data pin
88P46/SEG30CKOPLL clock pin
89VssdGNDSPower ground for digital circuit
90VdddVCC(3.0V)SPower supply for digital circuit
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TC-508 Service Manual
91SW_P0ReserveOReserved
92SW_P1TX_CTRLOTX power control pin (H: Transmit)
93RESETRESETIReset input pin
94VssaGNDSPower ground for analog circuit
95VddaVCC(3.0V)SPower supply for analog circuit
96BG_REFOReference voltage output pin
97MIC_INMIC_INIMicrophone input pin
98DEMODEDEMODEIBaseband signal input pin (audio and CTCSS)
99MODOUTMODOUTOBaseband signal output pin (audio and CTCSS)
100NC///
2163101051010030Chip capacitor 100PF J 50V(RoHS)1C629B2H
2173101051020010Chip capacitor 1000PF K 50V(RoHS)1C102T4J
2183101051020010Chip capacitor 1000PF K 50V(RoHS)1C105T4H
2193101051020010Chip capacitor 1000PF K 50V(RoHS)1C113T4I
2203101051020010Chip capacitor 1000PF K 50V(RoHS)1C120T5J
2213101051020010Chip capacitor 1000PF K 50V(RoHS)1C126T5I
2223101051020010Chip capacitor 1000PF K 50V(RoHS)1C133T4H
2233101051020010Chip capacitor 1000PF K 50V(RoHS)1C139T3F
2243101051020010Chip capacitor 1000PF K 50V(RoHS)1C141T3G
2253101051020010Chip capacitor 1000PF K 50V(RoHS)1C145T5F
2263101051020010Chip capacitor 1000PF K 50V(RoHS)1C154T4I
2273101051020010Chip capacitor 1000PF K 50V(RoHS)1C216B2H
2283101051020010Chip capacitor 1000PF K 50V(RoHS)1C219B1F
2293101051020010Chip capacitor 1000PF K 50V(RoHS)1C328B3D
2303101051020010Chip capacitor 1000PF K 50V(RoHS)1C331T1I
2313101051020010Chip capacitor 1000PF K 50V(RoHS)1C412T5E
2323101051020010Chip capacitor 1000PF K 50V(RoHS)1C413T4E
2333101051020010Chip capacitor 1000PF K 50V(RoHS)1C417T5E
2343101051020010Chip capacitor 1000PF K 50V(RoHS)1C462B3E
2353101051020010Chip capacitor 1000PF K 50V(RoHS)1C505T3E
2363101051020010Chip capacitor 1000PF K 50V(RoHS)1C543T3I
2373101051020010Chip capacitor 1000PF K 50V(RoHS)1C553T3H
2383101051020010Chip capacitor 1000PF K 50V(RoHS)1C564T2E
2393101051020010Chip capacitor 1000PF K 50V(RoHS)1C605B5I
2403101051020010Chip capacitor 1000PF K 50V(RoHS)1C613B2I
2413101051020010Chip capacitor 1000PF K 50V(RoHS)1C616B3J
2423101051020010Chip capacitor 1000PF K 50V(RoHS)1C640T2A
2433101051030020Chip capacitor 0.01UF K 25V(RoHS)1C138T3F
2443101051030020Chip capacitor 0.01UF K 25V(RoHS)1C322B2E
2453101051030020Chip capacitor 0.01UF K 25V(RoHS)1C437T4C
2463101051030020Chip capacitor 0.01UF K 25V(RoHS)1C540T1F
2473101051030020Chip capacitor 0.01UF K 25V(RoHS)1C541T2G
2483101051030020Chip capacitor 0.01UF K 25V(RoHS)1C544T2G
2493101051030020Chip capacitor 0.01UF K 25V(RoHS)1C559T3I
2503101051030020Chip capacitor 0.01UF K 25V(RoHS)1C565T4I
2513101051030020Chip capacitor 0.01UF K 25V(RoHS)1C572T3I
2523101051030020Chip capacitor 0.01UF K 25V(RoHS)1C579T1G
2533101051030020Chip capacitor 0.01UF K 25V(RoHS)1C580T4I
2543101051030020Chip capacitor 0.01UF K 25V(RoHS)1C581T4J
Ref No. Print No.
22
TC-508 Service Manual
Qty
No.Part No.Description
2553101051030020Chip capacitor 0.01UF K 25V(RoHS)1C583T4J
2563101051030020Chip capacitor 0.01UF K 25V(RoHS)1C584T4J
2573101051030020Chip capacitor 0.01UF K 25V(RoHS)1C585T3J
2583101051030020Chip capacitor 0.01UF K 25V(RoHS)1C586T3J
2593101051030020Chip capacitor 0.01UF K 25V(RoHS)1C587T3J
2603101051030020Chip capacitor 0.01UF K 25V(RoHS)1C589T4J
2613101051030020Chip capacitor 0.01UF K 25V(RoHS)1C591T3J
2623101051030020Chip capacitor 0.01UF K 25V(RoHS)1C595T2I
2633101051030020Chip capacitor 0.01UF K 25V(RoHS)1C612B2J
2643101051030020Chip capacitor 0.01UF K 25V(RoHS)1C617B3J
2653101051030020Chip capacitor 0.01UF K 25V(RoHS)1C635B4H
2663101051030020Chip capacitor 0.01UF K 25V(RoHS)1C637B4I
2673101051030020Chip capacitor 0.01UF K 25V(RoHS)1C648T1D
2683101051030020Chip capacitor 0.01UF K 25V(RoHS)1C649B3J
2693101051030020Chip capacitor 0.01UF K 25V(RoHS)1C663T2E
2703101051040060Chip capacitor 0.1UF K 16V (RoHS)1C123T5J
2713101051040060Chip capacitor 0.1UF K 16V (RoHS)1C134T4G
2723101051040060Chip capacitor 0.1UF K 16V (RoHS)1C135T4H
2733101051040060Chip capacitor 0.1UF K 16V (RoHS)1C146T4G
2743101051040060Chip capacitor 0.1UF K 16V (RoHS)1C217B1F
2753101051040060Chip capacitor 0.1UF K 16V (RoHS)1C220B2H
2763101051040060Chip capacitor 0.1UF K 16V (RoHS)1C326B2D
2773101051040060Chip capacitor 0.1UF K 16V (RoHS)1C327B3D
2783101051040060Chip capacitor 0.1UF K 16V (RoHS)1C334B1A
2793101051040060Chip capacitor 0.1UF K 16V (RoHS)1C422B4E
2803101051040060Chip capacitor 0.1UF K 16V (RoHS)1C436T4C
2813101051040060Chip capacitor 0.1UF K 16V (RoHS)1C441B5F
2823101051040060Chip capacitor 0.1UF K 16V (RoHS)1C463B3E
2833101051040060Chip capacitor 0.1UF K 16V (RoHS)1C464B3F
2843101051040060Chip capacitor 0.1UF K 16V (RoHS)1C514T3E
2853101051040060Chip capacitor 0.1UF K 16V (RoHS)1C520T2H
2863101051040060Chip capacitor 0.1UF K 16V (RoHS)1C521T3F
2873101051040060Chip capacitor 0.1UF K 16V (RoHS)1C547B2J
2883101051040060Chip capacitor 0.1UF K 16V (RoHS)1C548T2J
2893101051040060Chip capacitor 0.1UF K 16V (RoHS)1C576T2I
2903101051040060Chip capacitor 0.1UF K 16V (RoHS)1C577T2I
2913101051040060Chip capacitor 0.1UF K 16V (RoHS)1C592T3I
2923101051040060Chip capacitor 0.1UF K 16V (RoHS)1C606T2B
2933101051040060Chip capacitor 0.1UF K 16V (RoHS)1C643T2A
2943101051040060Chip capacitor 0.1UF K 16V (RoHS)1C659B1F
2953101051040060Chip capacitor 0.1UF K 16V (RoHS)1C668B2H
2963101051040060Chip capacitor 0.1UF K 16V (RoHS)1C670B1H
2973101061040010Chip capacitor 0.1UF K 16V (RoHS)1C549T3I
Ref No. Print No.
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TC-508 Service Manual
Qty
No.Part No.Description
2983101054730000Chip capacitor 0.047UF K 10V (RoHS)1C207B2H
2993101051050000Chip capacitor 1UF K 6.3V(RoHS)1C321B2D
3003101051050000Chip capacitor 1UF K 6.3V(RoHS)1C590B1I
3013101051050000Chip capacitor 1UF K 6.3V(RoHS)1C627B2I
3023101051050000Chip capacitor 1UF K 6.3V(RoHS)1C628B2I
3033101051050000Chip capacitor 1UF K 6.3V(RoHS)1C634B4H
3043101051050000Chip capacitor 1UF K 6.3V(RoHS)1C660B1F
3113101052200010Chip capacitor 22PF J 50V (RoHS)1C594T3I
3123101052230000Chip capacitor 0.022UF K 16V (RoHS)1C642B5I
3133101052240010Chip capacitor 0.22UF Z 10V (RoHS)1C208B2H
3143101052240010Chip capacitor 0.22UF Z 10V (RoHS)1C588T3J
3153101052240010Chip capacitor 0.22UF Z 10V (RoHS)1C597T2I
3163101052240010Chip capacitor 0.22UF Z 10V (RoHS)1C671B1H
3173101052240010Chip capacitor 0.22UF Z 10V (RoHS)1c333T1I
3183101053690000Chip capacitor 3.6PF B 50V (RoHS)1C507T3D
3193101054710010Chip capacitor 470PF K 50V (RoHS)1C119T3H
3203101054710010Chip capacitor 470PF K 50V (RoHS)1C142T5G
3213101054710010Chip capacitor 470PF K 50V (RoHS)1C147T4G
3223101054710010Chip capacitor 470PF K 50V (RoHS)1C152T3H
3233101054710010Chip capacitor 470PF K 50V (RoHS)1C209B2H
3243101054710010Chip capacitor 470PF K 50V (RoHS)1C330B3E
3253101054710010Chip capacitor 470PF K 50V (RoHS)1C332B2D
3263101054710010Chip capacitor 470PF K 50V (RoHS)1C403B3E
3273101054710010Chip capacitor 470PF K 50V (RoHS)1C406T5F
3283101054710010Chip capacitor 470PF K 50V (RoHS)1C407T3F
3293101054710010Chip capacitor 470PF K 50V (RoHS)1C408T4F
3303101054710010Chip capacitor 470PF K 50V (RoHS)1C411T3G
3313101054710010Chip capacitor 470PF K 50V (RoHS)1C424T5E
3323101054710010Chip capacitor 470PF K 50V (RoHS)1C426B4C
3333101054710010Chip capacitor 470PF K 50V (RoHS)1C440T4C
3343101054710010Chip capacitor 470PF K 50V (RoHS)1C443B4F
3353101054710010Chip capacitor 470PF K 50V (RoHS)1C444B4F
3363101054710010Chip capacitor 470PF K 50V (RoHS)1C445B4E
3373101054710010Chip capacitor 470PF K 50V (RoHS)1C446B4E
3383101054710010Chip capacitor 470PF K 50V (RoHS)1C447B4E
3393101054710010Chip capacitor 470PF K 50V (RoHS)1C455T3F
3403101054710010Chip capacitor 470PF K 50V (RoHS)1C524T3F
Ref No. Print No.
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TC-508 Service Manual
Qty
No.Part No.Description
3413101054710010Chip capacitor 470PF K 50V (RoHS)1C528T2J
3423101054710010Chip capacitor 470PF K 50V (RoHS)1C539T1F
3433101054710010Chip capacitor 470PF K 50V (RoHS)1C542T2G
3443101054710010Chip capacitor 470PF K 50V (RoHS)1C562T2H
3453101054710010Chip capacitor 470PF K 50V (RoHS)1C570T4I
3463101054710010Chip capacitor 470PF K 50V (RoHS)1C578T1G
3473101054710010Chip capacitor 470PF K 50V (RoHS)1C582T2G
3483101054710010Chip capacitor 470PF K 50V (RoHS)1C593T3I
3493101054710010Chip capacitor 470PF K 50V (RoHS)1C607T2D
3503101054710010Chip capacitor 470PF K 50V (RoHS)1C622B2I
3513101054710010Chip capacitor 470PF K 50V (RoHS)1C623B4J
3523101054710010Chip capacitor 470PF K 50V (RoHS)1C624B4J
3533101054710010Chip capacitor 470PF K 50V (RoHS)1C625B3J
3543101054710010Chip capacitor 470PF K 50V (RoHS)1C626B3J
3553101054710010Chip capacitor 470PF K 50V (RoHS)1C632B4H
3563101054710010Chip capacitor 470PF K 50V (RoHS)1C633B4H
3573101054710010Chip capacitor 470PF K 50V (RoHS)1C636B4I
3583101054710010Chip capacitor 470PF K 50V (RoHS)1C644B4H
3593101054710010Chip capacitor 470PF K 50V (RoHS)1C655B4H
3603101054710010Chip capacitor 470PF K 50V (RoHS)1C656T2B
3613101054710010Chip capacitor 470PF K 50V (RoHS)1C661B1G
3623101054710010Chip capacitor 470PF K 50V (RoHS)1C662B1G
3633101054710010Chip capacitor 470PF K 50V (RoHS)1C664B1G
3643101054710010Chip capacitor 470PF K 50V (RoHS)1C669B1H
3653101054710010Chip capacitor 470PF K 50V (RoHS)1C673B4A
3663101054710010Chip capacitor 470PF K 50V (RoHS)1C674B4A
3673101054720000Chip capacitor 4700PF K 50V(RoHS)1C204B2H
3683101054720000Chip capacitor 4700PF K 50V(RoHS)1C205B2H
3693101054720000Chip capacitor 4700PF K 50V(RoHS)1C647B2H
3703101054720000Chip capacitor 4700PF K 50V(RoHS)1C675B1E
3713101054740020Chip capacitor 0.47uF K 10V(RoHS)1C537T4J
3723101054740020Chip capacitor 0.47uF K 10V(RoHS)1C672B1H
3733101055600000Chip capacitor 56PF J 50V(RoHS)1C414T4E
3743101055600000Chip capacitor 56PF J 50V(RoHS)1C596T3I