Adcom GTP502 Schematic

SERVICE MANUAL

®

details you can hear

STEREO TUNER PRE-AMPLIFIER

GTP-502

TABLE OF CONTENTS

Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14

IC Block Diagram . . . . . . . . . . . . . . . . . . . . .15-18

Wiring Diagram . . . . . . . . . . . . . . . . . . . . . .19-20

PCB Layout . . . . . . . . . . . . . . . . . . . . . . . . .21-28

Schematic Diagram . . . . . . . . . . . . . . . . . . .29-42

Technical Specification . . . . . . . . . . . . . . . . .43-44

®

10 TIMBER LANE

MARLBORD

N.J. 07746, USA

PHONE: [phone]

FAX: [phone]

web: http: //www.adcom.com

ADJUSTMENT GTP-502

Preparation

1. INPUT

- FM mono: 1kHz, 75kHz devi., 60dB/µV

- FM stereo: 1kHz, 67.5kHz devi., 60dB/µV
Pilot signal 19kHz 7.5kHz devi.

- AM: 400Hz, 30%mod.

1. FM ADJUSTMENT

Item

FM

IF/RF

Stereo

Distortion

Stereo

Separation

Muting

Level

Pilot

Suppression

Signal
Strength
Indicator

Connection

Step

of instrument

1 DC voltmeter L941

2 AC voltmeter

Fig.1

3

Fig.2

Fig.2

Fig.1

Fig.2

Fig.1

FM SG

output

99.0MHz
1kHz 75kHz devi.
65dBf (60dB)

99.0MHz Ext.
mod. 65dBf
(60dB)

99.0MHz Ext.
mod. 65dBf
(60dB)

99.0MHz 18dB

99.0MHz

mod.65dBf

(60dB)

99.0MHz

1KHz 75KHz devi

33dBµ

Stereo mod­ulator output

Channel L
or R 1kHz

Channel L
or R 1kHz

Channel L or

R pilot on

signal

2. OUTPUTS

- Connect the non-inductive type resistor of 8 ohms
to all speaker terminals otherwise noted.

Tuning

frequency

–

–

–

99.0MHz

99.0MHz

99.0MHz

99.0MHz

99.0MHz

99.0MHz

Output

indicator

Distortion

analyzer

Distortion

analyzer

Oscilloscope

Oscilloscope

VTVM

VFD Signal

Bars

Adjustment

point

IFT on the

front end

L942

IFE on the

front end

R956

R941

L903 FOR L
L904 FOR R

R951

Adjust

for

0±100mV

Maximum

Minimum

Minimum

Maximum

Signal
output

Minimum

8 bars just

lit

Remarks

FM MUTE/MODE
switch: ON/AUTO
Repeat the steps
1 to 3 until no fur­ther adjustment is
necessary.

FM MUTE/MODE
switch: ON/AUTO
Don’t turn more
than +/-180˚
Repeat stereo
distortion and
stereo separation
alignment until
THD at minimum
and separation at
maximum.

Adjust such that
output just unmute

2. AM ADJUSTMENT

120V model

Step

1–

2

3

AM SG

output

600kHz
400Hz 30% mod.
60dB/m
600kHz
400Hz 30% mod.
60dB/m

Tuning

frequency

530kHz

600kHz

990kHz

Output

indicator

Digital

DC

voltmeter

AC

voltmeter

AC

voltmeter

230V model and worldwide models

Step

1–

2

3

AM SG

output

600kHz
400Hz 30% mod.
60dB/m
600kHz
400Hz 30% mod.
60dB/m

Tuning

frequency

522kHz

or

531kHz

603kHz

999kHz

Output

indicator

Digital

DC

voltmeter

AC

voltmeter

AC

voltmeter

Adjustment

point

OSC coil

on RF

block M971

OSC coil

on RF

block M971

L972

Adjustment

point

OSC coil

on RF

block M971

OSC coil

on RF

block M971

L972

Adjust

for

1.35±0.2V

Maximum

Maximum

Adjust

for

1.3±0.2V (522kHz)

1.35±0.2V (531kHz)

Maximum

Maximum

2

Reference Specification
FM tuned voltage: 87.5MHz–108.00MHz

More than 1.2v–Less than 10v

AM tuned voltage: 530KHz–1710KHz

1.3±0.2–Less than 9.0v

Reference Specification
FM tuned voltage: 87.5MHz–108.00MHz

More than 1.2v–Less than 10v

AM tuned voltage: 522KHz–1611KHz

1.3±0.2–Less than 9.0v
(230V model)

AM tuned voltage: 531KHz–1602KHz

1.3±0.2–Less than 9.0v
(Worldwide model)

ADJUSTMENT GTP-502

FM

SINGAL

GENERATOR

ANTENNA

TERMINAL

ANTENNA

TERMINAL

DISTORTION

ANALYZER

DISTORTION

ANALYZER

AC

VOLTMETER

OSCILLOSCOPE

AC

VOLTMETER

OR

OSCILLOSCOPE

AC

VOLTMETER

OR

OSCILLOSCOPE

OUTPUT

TERMINAL

OUTPUT

TERMINAL

L
R

ANTENNA

TERMINAL

ANTENNA

TERMINAL

ANTENNA

TERMINAL

AM LOOP

ANTENNA

(Accessory)

AM LOOP
ANTENNA

60cm

DIGITAL

MILLIVOLT

METER

VT

FM

SIGNAL

GENERATOR

AM

SIGNAL

GENERATOR

FM

SIGNAL

GENERATOR

RDS

GENERATOR

OSCILLO-

SCOPE

TP701

FM

STEREO

GENERATOR

TP-141

DC

MILLIVOLT

METER

UNIT

UNIT

UNIT

UNIT

3. FM MEASUREMENT

Fig. 1

Fig. 2

4. RDS MEASUREMENT

Fig. 3

5. AM MEASUREMENT

Fig. 4

6. ADJUSTMENT POINTS

R951

FM SIGNAL
STRENGTH

L904

L942

FM IF

L941

L903

R956

L972

AM IF

P901

STEREO

SEPARATION

3

R941

MUTING

L971

OSC

RF

M901

FRONT END

IFT

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

IR ASSEMBLY

1200 IR ASSEMBLY PCB-A0180C-IR

PCB BOARD

1201 PCB KEYBOARD/RM1/TUNER/MISC 1724-670A-0002

METAL MATERIAL

1202 ME 2*8 4.0MM BK/RH JHC023-00 2954-2008-3000

WAFER

J501A 5P ST.WAFER P=2.5 COULOMB 2102-051S-004

JACKS/SOCKET

M501 DIN 5P 180DEG SOCKET 2113-1682-0

ROOM 1 ASSEMBLY

2200 ROOM 1 ASSEMBLY PCB-A0180C-RM1

PCB BOARD

2201 PCB KEYBOARD/RM1/TUNER/MISC 1724-670A-0002

CAPACITORS

C201,C202 CC 16V 0.22 20% CM 0805 1.2X2.0 150D-224M-J-BD
C213,C214 CC 50V 100pF 5% 0805 1.2X2.0 150F-101J-J-BD
C215,C216 CE 50V 10µF 20% RL 4x7 157F-106M-5-GM
c217,c218 CC 16V 0.47 10% 0805/2012 1.5X2.5 150D-474K-J-BDL
C219,c220 CC 50V 100pF 5% 0805 1.2X2.0 150F-101J-J-BD
C221,C222 CC 50V 22pF 5% 0805 1.2x2.0 150F-220J-J-BD
C223-C226 CE 50V 10µF 20% RL 4x7 157F-106M-5-GM
C227,C228 CE 25V 4.7µF 20% RL 4x7 157E-475M-5-GM
C229,C230 CM 50V 4700pF 10% RL 5x5 153F-472K-5-II
C231-C234 CM 50V 0.056µF 5% RL7.5X9.5 153F-563J-5-NR
C236,C236 CM 50V 4700pF 10% RL 5x5 153F-472K-5-II
C237,C238 CP 50V 47pF 5% RL 5.5x10 158F-470J-5-JS
C241,C242 CE 50V 10µF 20% RL 4x7 157F-106M-5-GM
C323,C324 CC 16V 0.22 20% CM 0805 1.2X2.0 150D-224M-J-BD

DIODES

D211,D309 RLS-73 DIODE 4840-1080-3

WAFERS/SOCKETS

J131B WAFER 8P P2.5 ST. 2102-081S-004
J132A 6P ST. WAFER P=2.5 COULOMB 2102-061S-004
J210A,J224A 4P ST.WAFER P=2.5 COULOMB 2102-041S-004
J320A SOCKET (PCB/PCB) 16P P2.0 RA 2101-1601-0
J321A SOCKET (PCB/PCB) 4P P2.0 RA 2101-1671-0
J322A,J323A 4P ST.WAFER P=2.5 COULOMB 2102-041S-004

RELAYS

M225,M226 RELAY V23105-A5303-A201 SIEMENS 4500-0920-0

TRANSISTORS

Q209 TR KTC3875Y 4853-875Y-3
Q210 TR KTA1504Y 4851-504Y-3
Q214,Q215 TR 2SC2878 (A,B) RL 4860-0770-5
Q218,Q219 TR 2SD1012F/G HFE 160-560 4851-012F-5
Q310 TR FET J112 4860-8770-0
Q313,Q314 TR 2SC2878 (A,B) RL 4860-0770-5

RESISTORS

R235,R236 RMG 1/10W 1K 1% 0805 4720-102A-J
R237,R238 RMG 1/10W 56K 1% 0805 4720-563A-J
R239 RMG 1/10W 10K 1% 0805 4720-103A-J
R240 RMG 1/10W 7.5K 1% 0805 4720-752A-J
R241,R242 RMG 1/10W 15K 5% 0805 4720-153J-J
R243,R244 RMG 1/10W 2.2K 1% 0805 4720-222A-J
R245,R246 RMG 1/10W 0R 5% 0805 4720-000J-J
R247,R248 RMG 1/10W 1M 1% 0805 4720-105A-J
R249,R250 RMG 1/10W 3.9K 1% 0805 4720-392A-J

4

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

R251,R252 RMG 1/10W 4.7K 5% 0805 4720-472J-J
R253-R256 RMG 1/10W 7.5K 1% 0805 4720-752A-J
R257,R258 RMG 1/10W 1K 1% 0805 4720-102A-J
R259 RMG 1/10W 220K 5% 0805 4720-224J-J
R260 RMG 1/10W 680K 5% 0805 4720-684J-J
R261-R264 RMG 1/10W 6.8K 1% 0805 4720-682A-J
R265-R268 RMG 1/10W 1K 1% 0805 4720-102A-J
R269,R270 RMG 1/10W 6.8K 1% 0805 4720-682A-J
R271,R272 RMG 1/10W 100R 1% 0805 4720-101A-J
R273,R274 RMG 1/10W 220K 1% 0805 4720-224A-J
R275,R276 RMG 1/10W 10K 5% 0805 4720-103J-J
R277-R279 RMG 1/10W 0R 5% 0805 4720-000J-J
R280 RMG 1/10W 220K 5% 0805 4720-224J-J
R281,R282 RMG 1/10W 10K 5% 0805 4720-103J-J
R283 RMG 1/10W 680K 5% 0805 4720-684J-J
R284,R285 RMG 1/10W 220K 5% 0805 4720-224J-J
R286,R287 RMG 1/10W 0R 5% 0805 4720-000J-J
R295,R296 RMG 1/10W 1.2K 5% 0805 4720-122J-J
R297 RMG 1/10W 10K 5% 0805 4720-103J-J
R298,R299,R322 RMG 1/10W 100K 5% 0805 4720-104J-J
R323 RMG 1/10W 10M 5% 0805 4720-106J-J
R365 RMG 1/10W 10K 5% 0805 4720-103J-J
R366,R367 RMG 1/10W 100R 1% 0805 4720-101A-J
R368 RMG 1/10W 10K 5% 0805 4720-103J-J
R451,R452 RMG 1/10W 2.2K 5% 0805 4720-222J-J
R455 RCF 1/4W 150R 5% AT 4705-151J-2
R801-R816 RMG 1/10W 1.2K 1% 0805 4720-122A-J
R817-R832 RMG 1/10W 3.3K 1% 0805 4720-332A-J
R833-R848 RMG 1/10W 1.2K 1% 0805 4720-122A-J
R849-R864 RMG 1/10W 3.3K 1% 0805 4720-332A-J
R865,R866 RMG 1/10W 1.2K 1% 0805 4720-122A-J
R867,R868 RMG 1/10W 3.3K 1% 0805 4720-332A-J
R869,R870 RMG 1/10W 1.2K 1% 0805 4720-122A-J
R871,R872 RMG 1/10W 3.3K 1% 0805 4720-332A-J
R873,R874 RMG 1/10W 100R 1% 0805 4720-101A-J
R875,R876 RMG 1/10W 22K 1% 0805 4720-223A-J
R877 RMG 1/10W 10K 1% 0805 4720-103A-J
R878 RMG 1/10W 7.5K 1% 0805 4720-752A-J

ICs

U202-U205 IC 7AA HIGH SPEED OP AMP 3130-7430-0
U206,U207 IC TC9273F-004 ANALOGUE SWITCH (FLAT-PACK) 3131-6790-0
U307,U333 IC TC9273F-004 ANALOGUE SWITCH (FLAT-PACK) 3131-6790-0

KEYBOARD

*US KEYBOARD ASSEMBLY PCB-A0180C-KEY
*CE KEYBOARD ASSEMBLY PCB-A0181C-KEY

METAL MATERIALS

1101 HOLDER LED 4132-6601-0
1103 WSER FIBRA 1103A D3.3 2848-0032-0

PCB BOARD

1102 PCB KEYBOARD/RM1/TUNER/MISC 1724-670A-0002

CAPACITORS

C601-C604 CC 50V 470pF 5% 0805 1.2X2.0 150F-471J-J-BD
C605 CE 50V 10µF 20% RL 4x7 157F-106M-5-GM
C606 CC 50V 0.1µF 20% 0805 1.2X2.0 150F-104M-J-BD
C607 CTC 0/30 22pF 5% 0805 1.2X2.5 15CG-220J-J-BD
C608 CE 6.3V 47µF 20% RL 4x7 157B-476M-5-GM
C609 CE 50V 10µF 20% RL 4x7 157F-106M-5-GM
C613 CC 50V 0.1µF 20% 0805 1.2X2.0 150F-104M-J-BD
C614 CC 50V 470pF 5% 0805 1.2X2.0 150F-471J-J-BD

DIODES

D601 RLS-73 DIODE 4840-1080-3
D619 DZ 1/2W 5.0-5.2V AT 4837-4C20-2

ASSEMBLY

5

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

LEDS

D603-D605 LED SP 3X5.5 L0.5 RD 3700-2380-R
D607-D609 LED SP 3X5.5 L0.5 RD 3700-2380-R
D611 LED SP 3X5.5 L0.5 RD 3700-2380-R
D614 LED SP 3X5.5 L0.5 RD 3700-2380-R
D616-D618 LED RT 5X2X7MM RED 3700-5577-R

WAFERS

J601A FLEXIBLE CONN. 35P P1.25 TOP ENTEY 2101-1591-0
J602 2P ST.WAFER P=2.5 COULOMB 2102-021S-004
J609 6P ST. WAFER P=2.5 COULOMB 2102-061S-004
M627 6 PIN HEADER SINGLE ROW 827312-6 AMP 2101-2350-0

COIL

L602 IND FXD LAL03A 220U PM10 1801-221K-M

SWITCHES

M603-M613 SWITCH, TACT SKHHBY 7MM HIGH 5200-3538-0
M615-M618 SWITCH, TACT SKHHBY 7MM HIGH 5200-3538-0
M621-M624 SWITCH, TACT SKHHBY 7MM HIGH 5200-3538-0

LED DISPLAY

M626 VFD BJ740GNK FUTABA (GTP506) 2460-1910-0
M629-M632 TACT SWITCH (RIGHT ANGLE) 5200-4721-0

IR SENSOR

M627 IR SENSOR PIC-26043TM2 KODENSHI 4816-043T-3

TRANSISTORS

Q602-Q604 TR KTC3875Y 4853-875Y-3
Q606-Q610 TR KTC3875Y 4853-875Y-3
Q612 TR KTA1504Y 4851-504Y-3
Q613-Q617 TR KTC3875Y 4853-875Y-3

VOLUME

R245 VR (BALANCE) 4750-9665-0

RESISTORS

R602 RMG 1/10W 4.7K 5% 0805 4720-472J-J
R603 RMG 1/10W 2.2K 5% 0805 4720-222J-J
R604 RMG 1/10W 1.2K 5% 0805 4720-122J-J
R605 RMG 1/10W 820R 5% 0805 4720-821J-J
R606 RMG 1/10W 470R 5% 0805 4720-471J-J
R607,R608 RMG 1/10W 3.3K 5% 0805 4720-332J-J
R609 RMG 1/10W 470R 5% 0805 4720-471J-J
R610 RMG 1/10W 820R 5% 0805 4720-821J-J
R611 RMG 1/10W 1.2K 5% 0805 4720-122J-J
R612 RMG 1/10W 2.2K 5% 0805 4720-222J-J
R613 RMG 1/10W 4.7K 5% 0805 4720-472J-J
R614 RMG 1/10W 3.3K 5% 0805 4720-332J-J
R615 RMG 1/10W 0R 5% 0805 4720-000J-J
R616 RMG 1/10W 470R 5% 0805 4720-471J-J
R617 RMG 1/10W 820R 5% 0805 4720-821J-J
R618 RMG 1/10W 1.2K 5% 0805 4720-122J-J
R620 RMG 1/10W 3.3K 5% 0805 4720-332J-J
R621 RMG 1/10W 0R 5% 0805 4720-000J-J
R622 RMG 1/10W 470R 5% 0805 4720-471J-J
R623 RMG 1/10W 820R 5% 0805 4720-821J-J
R624 RMG 1/10W 1.2K 5% 0805 4720-122J-J
R626-R629 RMG 1/10W 470R 5% 0805 4720-471J-J
R630 RMG 1/10W 10K 5% 0805 4720-103J-J
R631 RMG 1/10W 470R 5% 0805 4720-471J-J
R632 RMG 1/10W 100K 5% 0805 4720-104J-J
R635 RMG 1/10W 10K 5% 0805 4720-103J-J
R636 RMG 1/10W 390R 5% 0805 4720-391J-J
R637 RMG 1/10W 10K 5% 0805 4720-103J-J
R638 RMG 1/10W 390R 5% 0805 4720-391J-J
R639 RMG 1/10W 10K 5% 0805 4720-103J-J
R640 RMG 1/10W 390R 5% 0805 4720-391J-J

6

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

R643 RMG 1/10W 10K 5% 0805 4720-103J-J
R644 RMG 1/10W 390R 5% 0805 4720-391J-J
R645 RMG 1/10W 10K 5% 0805 4720-103J-J
R646 RMG 1/10W 390R 5% 0805 4720-391J-J
R647 RMG 1/10W 10K 5% 0805 4720-103J-J
R648 RMG 1/10W 390R 5% 0805 4720-391J-J
R649 RMG 1/10W 10K 5% 0805 4720-103J-J
R650 RMG 1/10W 100K 5% 0805 4720-104J-J
R652,R661 RMG 1/10W 390R 5% 0805 4720-391J-J
R662 RMG 1/10W 10K 5% 0805 4720-103J-J
R663,R664,R668 RMG 1/10W 390R 5% 0805 4720-391J-J
R669 RMG 1/10W 10K 5% 0805 4720-103J-J
R670 RMG 1/10W 390R 5% 0805 4720-391J-J
R671 RMG 1/10W 10K 5% 0805 4720-103J-J
R672 RMG 1/10W 390R 5% 0805 4720-391J-J
R673 RMG 1/10W 10K 5% 0805 4720-103J-J
R686 RMG 1/10W 3.3K 5% 0805 4720-332J-J
R687 RMG 1/10W 470R 5% 0805 4720-471J-J
R688 RMG 1/10W 820R 5% 0805 4720-821J-J
R689 RMG 1/10W 1.2K 5% 0805 4720-122J-J
R690-R692 RMG 1/10W 0R 5% 0805 4720-000J-J
R693,R694 RMG 1/10W 10K 5% 0805 4720-103J-J

ICs

U601 IC M35500AFP VFD CONTROLLER MITSUBISHI 3131-6760-0

ASSEMBLY

MAIN

*US MAIN ASSEMBLY PCB-A0180C-MAIN
*CE MAIN ASSEMBLY PCB-A0181C-MAIN

PCB BOARD

1009 PCB MAIN A0190C 1724-680A-0003

CAPACITORS

C1001,C101 CE 16V 10µF 20% RL 4x7 157D-106M-5-GM
C102,C103 CE 25V 220µF 20% RL 8.5X11 157E-227M-5-PU
C104,C105 CE 35V 2200µF 20% RL 16X25 157Q-228M-5-5&
C121 CE 25V 220µF 20% RL 8.5X11 157E-227M-5-PU
C122 CE 25V 1000µF 20% RL 12.5X25 157E-108M-5-X&
C125 CE 25V 100µF 20% RL 6x12 157E-107M-5-KW
C127,C129 CE 10V 220µF 20% RL 6x12 157C-227M-5-KW
C130 CE 25V 1000µF 20% RL 12.5X25 157E-108M-5-X&
C133,C134 CE 50V 1µF 20% RL 5x11 157F-105M-5-IU
C135 CE 50V 100µF 20% RL 8x12 157F-107M-5-OW
C136,C137 CE 25V 47µF 20% RL 5x11 157E-476M-5-IU
C201-C204 CC 50V 100pF 5% 0805 1.2X2.0 150F-101J-J-BD
C205-C208 CE 50V 10µF 20% RL 4x7 157F-106M-5-GM
C209-C212 CC 50V 100pF 5% 0805 1.2X2.0 150F-101J-J-BD
C247-C250 CC 50V 100pF 5% 0805 1.2X2.0 150F-101J-J-BD
C321,C322 CE 25V 4.7µF 20% RL 4x7 157E-475M-5-GM
C501 CE 50V 1µF 20% RL 5x11 157F-105M-5-IU
C502 CE 50V 3.3µF 20% RL 5x11 157F-335M-5-IU
C503 CC 50V 330pF 10% 0805 1.2X2.0 150F-331K-J-BD
C611,C612 CTC 0/30 22pF 5% 0805 1.2X2.5 15CG-220J-J-BD
C620 CE 16V 2200µF 20% RL 12X20 157D-228M-5-W9
C621 CE 25V 22µF 20% RL 4X7 157E-226M-5-GM
C800 CE 50V 2.2µF 20% RL 4x7 ELNA 157F-225M-5-GMK
C946 CE 16V 220µF 20% RL 6x12 157D-227M-5-KW

DIODES

D1001 RLS-73 DIODE 4840-1080-3
D101,D104,D105 BRIDGE RECTIFIER RB152 100V 1.5A 4840-0490-0
D108 DZ 1/2W 12V 5% TEMIC AT 4837-12V6-2
D109 DZ 1/2W +-5% 3.3V TEMIC AT 4837-3V36-2
D116,D119 RLS-73 DIODE 4840-1080-3
D123-D125 SMD DIODE 1SR154-400 4840-1150-0
D126 ZD 1/2W 21.52-22.63V AT 4840-0850-0
D201 RLS-73 DIODE 4840-1080-3
D203-D206 RLS-73 DIODE 4840-1080-3

7

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

D501-D503 RLS-73 DIODE 4840-1080-3
D510,D619 SMD DIODE 1SR154-400 4840-1150-0
D620 RLS-73 DIODE 4840-1080-3
D800 DZ 1/2W 6.2V TEMIC AT 4837-6V26-2

WAFER/JACKS

J130B 4P ST.WAFER P=2.5 COULOMB 2102-041S-004
J134 9 PIN WAFER P=3.96 2113-1681-0
J314B 4P ST.WAFER P=2.5 COULOMB 2102-041S-004
J320B WAFER (PCB/PCB) 16P P2.0 ST 2101-1641-0
J321B WAFER (PCB/PCB) 4P P2.0 ST 2101-1651-0
J322B,J323b 4P ST.WAFER P=2.5 COULOMB 2102-041S-004
J501B 5P ST.WAFER P=2.5 COULOMB 2102-051S-004
J601B FLEXIBLE CONN. 35P P1.25 TOP ENTRY 2101-1591-0
J910B WAFER (PCB/PCB) 16P P2.0 ST 2101-1641-0
M130,M131 2-PIN PHONE JACK 2113-1674-0
M201 6P RCA JACK R/W (GOLD PLATE, GROUND PLATE 2113-1666-0
M202,M203 4P RCA JACK R/W (GOLD PLATE, GROUND PLATE) 2113-1665-0
M217 4P RCA JACK R/W (GOLD PLATE, GROUND PLATE) 2113-1665-0

COIL

L601 COIL 100µH 10% 1801-101K-M

RELAYS

M101 RELAY 12VDC, 125VA 3A DPST 4500-0950-0
M104 RELAY 12VDC,250VAC,10A SDT-SS-112DM OEG 4500-0890-0
M211-M216 RELAY 12VDC, 125VA 3A DPST 4500-0950-0

TRANSISTORS

Q101,Q102,Q106 TR KTC3875Y 4853-875Y-3
Q107 TR 2SA950-Y HFE 100-200 485A-950Y-5
Q201 TR KTC3875Y 4853-875Y-3
Q203-Q208 TR KTC3875Y 4853-875Y-3
Q212 TR KTC3875Y 4853-875Y-3
Q213,Q501,Q502 TR KTA1504Y 4851-504Y-3
Q800 TR SS8050 C/D SAMSUNG RL 4860-0050-5
Q801 TR SS8550 C/D SAMSUNG RL 4860-0060-5
Q802 TR SS8050 C/D SAMSUNG RL 4860-0050-5

RESISTORS

j230-j234 RCF 1/4W 0R 5% AT 4705-000J-2
j239,j250,j251 RCF 1/4W 0R 5% AT 4705-000J-2
J254 RCF 1/4W 150R 5% AT 4705-151J-2
R101,R102 RMG 1/10W 100R 5% 0805 4720-101J-J
R108,R112 RMG 1/10W 10K 5% 0805 4720-103J-J
R118 RMG 1/10W 4.7K 5% 0805 4720-472J-J
R119 RMG 1/10W 10K 5% 0805 4720-103J-J
R120 RMG 1/10W 4.7K 5% 0805 4720-472J-J
R201 RMG 1/10W 1K 1% 0805 4720-102A-J
R202 RMG 1/10W 47K 1% 0805 4720-473A-J
R203 RMG 1/10W 1K 1% 0805 4720-102A-J
R204 RMG 1/10W 47K 1% 0805 4720-473A-J
R205 RMG 1/10W 1K 1% 0805 4720-102A-J
R206 RMG 1/10W 47K 1% 0805 4720-473A-J
R207 RMG 1/10W 1K 1% 0805 4720-102A-J
R208 RMG 1/10W 47K 1% 0805 4720-473A-J
R209 RMG 1/10W 470R 1% 0805 4720-471A-J
R209A RMG 1/10W 100R 5% 0805 4720-101J-J
R210 RMG 1/10W 120K 5% 0805 4720-124J-J
R211,R212 RMG 1/10W 47K 1% 0805 4720-473A-J
R213 RMG 1/10W 470R 1% 0805 4720-471A-J
R213A RMG 1/10W 100R 5% 0805 4720-101J-J
R214 RMG 1/10W 120K 5% 0805 4720-124J-J
R215 RMG 1/10W 1K 1% 0805 4720-102A-J
R216 RMG 1/10W 47K 1% 0805 4720-473A-J
R217 RMG 1/10W 1K 1% 0805 4720-102A-J
R218 RMG 1/10W 47K 1% 0805 4720-473A-J
R219 RMG 1/10W 1K 1% 0805 4720-102A-J
R220 RMG 1/10W 47K 1% 0805 4720-473A-J

8

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

R221 RMG 1/10W 1K 1% 0805 4720-102A-J
R222 RMG 1/10W 47K 1% 0805 4720-473A-J
R223 RCF 1/4W 150R 5% AT 4705-151J-2
R225-R228 RCF 1/4W 150R 5% AT 4705-151J-2
R229 RMG 1/10W 10K 5% 0805 4720-103J-J
R231-R234 RMG 1/10W 10K 5% 0805 4720-103J-J
R291-R294 RMG 1/10W 1K 1% 0805 4720-102A-J
R369 RMG 1/10W 51K 5% 0805 4720-513J-J
R501 RCF 1/4W 4.7R 5% RL 4705-4R7J-5
R502 RMG 1/10W 180K 5% 0805 4720-184J-J
R503 RMG 1/10W 22K 5% 0805 4720-223J-J
R504,R505 RMG 1/10W 1K 5% 0805 4720-102J-J
R506 RMG 1/10W 4.7K 5% 0805 4720-472J-J
R507 RMG 1/10W 1.5K 5% 0805 4720-152J-J
R562,R563 RMG 1/10W 10K 5% 0805 4720-103J-J
R563 RMG 1/10W 10K 5% 0805 4720-103J-J
R564-R567 RMG 1/10W 100K 5% 0805 4720-104J-J
R659 RMG 1/10W 100K 5% 0805 4720-104J-J
R660-R662 RMG 1/10W 1K 5% 0805 4720-102J-J
R684 RMG 1/10W 0R 5% 0805 4720-000J-J
R685 RMG 1/10W 100K 5% 0805 4720-104J-J
R800 RCF 1/8W 1K 5% ATS 4701-102J-C
R801 RCF 1/8W 10K 5% ATS 4701-103J-C
R802 RCF 1/8W 2.2K 5% ATS 4701-222J-C
R803,R804 RCF 1/8W 3.3K 5% ATS 4701-332J-C
R805 RCF 1/8W 100K 5% ATS 4701-104J-C
R880 RMG 1/10W 10K 5% 0805 4720-103J-J
R895-R902 RMG 1/10W 10K 5% 0805 4720-103J-J
R907 RMG 1/10W 10K 5% 0805 4720-103J-J
R913-R916 RMG 1/10W 10K 5% 0805 4720-103J-J
R919-R921 RMG 1/10W 10K 5% 0805 4720-103J-J
R922,R927 RMG 1/10W 100K 5% 0805 4720-104J-J
R928 RMG 1/10W 120K 5% 0805 4720-124J-J
R929,R930 RMG 1/10W 0R 5% 0805 4720-000J-J

ICs

U1001 IC NJM78L05A 826 3130-0640-0
U101 IC 7815 FA REGULATOR 3130-3030-1
U102 IC LM7915CT REGULATOR 3130-3020-0
U111 IC 7812H 12V REG, T0220F 3130-2520-2
U114 IC NJM78M56FA 5.6V REGULATOR 3130-8190-0
U114-1 SHEET-PVC 4X5X0.4 3100-1311-0
U115 IC 7805 REG 5V 1.5A 3130-2020-3
U116 IC LB1642 MOTOR DRIVER SANYO 3130-3410-0
U201 IC NJM4558M OP AMP 3130-6060-0
U501 IC KA2184D REMOTE CONTROL PREAMP 3130-8990-0
U504 IC LM2901N DIP QUAD COMPARATOR SGS 3130-7160-0
U602 IC UPD78P058 8-BIT MCU OTP 3131-9130-0
U606 IC EEPROM 24C02 2KBIT 8PIN DIP 3131-3920-0

METAL MATERIALS

1010 SCREW M3X8 (BLK) 2904-3008-3000
1011 T3X8MM SELF TAPPING 2954-3008-3000
1012 SCREW BH 2.6X6 BLACK 2954-2606-3000
J320B-1 FIBRE WASHER M3X0.4X8 NA 2601-3004-0801
M111-M114 FUSE HOLDER 4132-1011-0
U101 HEAT SINK FOR 78052438-17 (BLACK) 5400-9131-0
U102 FIBRE WASHER M3X0.4X8 NA 2601-3004-0801
U102 HEAT SINK FOR 5400-9131-0
U111 HEATSINK 23.5X17X50 5400-1702-0
U114 HEAT SINK FOR 5400-9131-0
U115 HEATSINK 23.5X17X50 5400-1702-0

CRYSTAL

X101 X'TAL 5.0MHZ +/-20PPM HC49U 2300-3100-0

SWITCH

1800 SWITCH ASSEMBLY PCB-A0190C-SW

ASSEMBLY

9

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

PCB BOARD

1801 PCB KEYBOARD/RM1/TUNER/MISC 1724-670A-0002

LED

D610 LED DUAL COLORS 3700-2500-RG

HOUSING WIRE

J602A CONN.ASSY 2P P2.5 L60 AWG26 7702-1060-2004

SWITCH

M502 SWITCH, PUSH 2P2T UNLOCK SPPJ2-EN-PLB 5200-3539-0

VOLUME

2100 VOLUME ASSEMBLY PCB-A0190C-VOL

PCB BOARD

2101 PCB KEYBOARD/RM1/TUNER/MISC 1724-670A-0002

WAFERS

J130A 4P ST.WAFER P=2.5 COULOMB 2102-041S-004
J131A WAFER 8P P2.5 ST. 2102-081S-004

VOLUME

R245 VR RK16312 50K MCL VOL.B ALPS 4750-9906-0

RESISTOR

R246 RCF 1/2W 220R 5% AT 4707-221J-2

POWER SWITCH

1900 POWER SWITCH ASSEMBLY PCB-A0191C-PSW

POWER SWITCH

1601 POWER SWITCH 5200-3151-0-01

PCB BOARD

1602 POWER SWITCH PCB A0191C/A0181C 1725-110A-0000

POWER

*US POWER ASSEMBLY PCB-A0190C-PWR
*CE POWER ASSEMBLY PCB-A0191C-PWR

PCB BOARD

1501 PCB KEYBOARD/RM1/TUNER/MISC 1724-670A-0002

ASSEMBLY

ASSEMBLY

ASSEMBLY

CAPACITOR

C131 CAP400V 4700P DE7150F472MVA1KC 8910-0049-0

METAL MATERIALS

J806,J813 TERMINAL WRAP 4131-9321-0
J819,J820 TERMINAL WRAP 4131-9321-0

TUNER

ASSEMBLY

*US TUNER ASSEMBLY PCB-A0190C-TUN
*CE TUNER ASSEMBLY PCB-A0191C-TUN

PCB BOARD

2001 PCB RM2/RM3/TUNER/MISC. 1724-660A-0001

CAPACITORS

C901-C903 CC 50V 0.022µ 10% 0805 1.2X2.0 150F-223K-J-BD
C904 CE 16V 10µF 20% RL 4x7 ELNA 157D-106M-5-GMK
C906 CE 16V 100µF 20% RL 5x11 157D-107M-5-IU
C911 CC 50V 20pF 5% 0805 1.2x2.0 150F-200J-J-BD
C912,C913 CTC 0/30 1000pF 5% 0805 1.2X2.5 15CG-102J-J-BD
C914,C915 CC 50V 100pF 5% 0805 1.2X2.0 150F-101J-J-BD
C916 CC 50V 330pF 10% 0805 1.2X2.0 150F-331K-J-BD
C924 CTC 0/30 30pF 5% 0805 1.2X2.5 15CG-300J-J-BD
C925 CTC 0/30 20pF 5% 0805 1.2X2.5 15CG-200J-J-BD

10

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

C926 CM 50V 0.033µF 5% RL 7.5X6.5 METALZD 153F-333J-5-NLM
C927 CE 50V 2.2µF 20% RL 4x7 ELNA 157F-225M-5-GMK
C928 CE 16V 10µF 20% RL 4x7 ELNA 157D-106M-5-GMK
C929 CE 50V 0.22µF 20% RL 4X7 ELNA 157F-224M-5-GMK
C930 CC 50V 0.022µF 10% 0805 1.2X2.0 150F-223K-J-BD
C931 CE 6.3V 100µF 20% RL 6X7 ELNA 157B-107M-5-KMK
C932,C941 CC 50V 0.022µF 10% 0805 150F-223K-J-BD
C942 CE 16V 100µF 20% RL 6.3X11 ELNA 157D-107M-5-KUK
C943 CE 50V 2.2µF 20% RL 4x7 157F-225M-5-GMK
C944 CE 50V 4.7µF 20% RL 4X7 ELNA 157F-475M-5-GMK
C945 CC 50V 100pF 5% 0805 1.2X2.0 150F-101J-J-BD
C946 CE 50V 1µF 20% RL 4x7 ELNA 157F-105M-5-GMK
C947 CE 16V 0.47µF 20% RL 5x5 157D-474M-5-II
C948 CE 50V 1µF 20% RL 4x7 157F-105M-5-GMK
C951 CE 50V 2.2µF 20% RL 4x7 157F-225M-5-GMK
C953,C954 CC 50V 2700pF 10% 0805 1.2X2.0 150F-272K-J-BD
C959,C960 CE 16V 22µF 20% RL 4X7 ELNA 157D-226M-5-GMK
C961,C962 CC 50V 1500pF 10% 0805 1.2X2.0 150F-152K-J-BD
C963,C964 CE 16V 22µF 20% RL 4X7 ELNA 157D-226M-5-GMK
C965 CC 50V 2700pF 10% 0805 150F-272K-J-BD
C967 CE 16V 0.47µF 20% RL 5x5 157D-474M-5-II
C968 CC 50V 0.022µF 10% 0805 1.2X2.0 150F-223K-J-BD
C969 CE 16V 47µF 20% RL 5X7 ELNA 157D-476M-5-IMK
C970 CC 50V 0.022µF 10% 0805 150F-223K-J-BD
C971 CTC 0/30 10pF 5% 0805 1.2X2.5 15CG-100J-J-BD
C973 CC 50V 0.047µF 20% 0805 1.2X2.0 150F-473M-J-BD
C974 CC 50V 0.022µF 10% 0805 150F-223K-J-BD
C975 CE 16V 10µF 20% RL 4x7 ELNA 157D-106M-5-GMK
C976 CC 50V 0.022µF 10% 0805 1.2X2.0 150F-223K-J-BD
C977 CE 50V 1µF 20% RL 4x7 157F-105M-5-GM
C978 CC 50V 0.022µF 10% 0805 150F-223K-J-BD
C979 CE 16V 22µF 20% RL 4X7 ELNA 157D-226M-5-GMK
C980 CC 50V 0.01µF 10% 0805 1.2X2.0 150F-103K-J-BD
C981 CC 50V 0.022µF 10% 0805 150F-223K-J-BD
C982 CTC 0/30 100pF 5% 0805 1.2X2.5 15CG-101J-J-BD
C991 CC 50V 1000pF 10% 0805 1.2X2.0 150F-102K-J-BD

DIODES

D901 DZ 1/2W 5.0-5.2V AT 4837-4C20-2
D902 DZ 1/2W 9.1-9.5V AT 4837-7C20-2
D980 DIODE 1N4148 ATS 4804-1480-C

METAL MATERIALS

FM-ANT SHIELD WIRE RG174/U UL 1354 45MM 8110-0457-1
J902-1 ANTENNA WASHER 4131-7701-0
J903,J904 ANTENNA WASHER 4131-7701-0

SOCKET/WAFER

J704B SOCKET (PCB/PCB) 16P P2.0 RA 2101-1601-0
M912 4P TERMINAL FM/AM ANTENNA 2113-1667-0
P901 WAFER 2P ST. P=2.5 NH (JST) 2113-1160-0

COILS

L901 COIL 22µH 10% AL BL7 1801-220K-M
L903,L904 COIL MPX LPF NMC-4085 5600-3386-S
L941 COIL FM DET-1 10.7MHZ NFIF-4801 5600-3396-S
L942 COIL FM DET-2 10.7MHZ NFIF-4082 5600-3406-S
L971 COIL MW RF BLOCK NMRF-5077 5600-3280-G
L972 COIL AM IFT NMIF-4062 5600-3416-S

TRANSFORMER

L905 BALUN TRANSFORMER 300 TO 75 OHM 1806-2201-0

TUNER

M901 TUNER ENV172D3G1 PANASONIC 1300-0726-0

CERAMIC FILTERS

M902 CF10.7 +-30 SFE10.7MA5-A 2701-0010-1
M903 CF10.7 +-30 SFE10.7MA5-A 2701-0010-1

11

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

M904 CF10.7 +-30 SFE10.7MA5-A 2701-0010-1
M911 CF 450 +-1 SFZ450JL3 MURATR 2701-0680-0

CRYSTAL

M905 CRYSTAL 7.2MHZ 20PPM 2300-0440-0

TRANSISTORS

Q901 TR 2SC945P HFE 200-400 485C-945P-5
Q902 TR 2SC1923-0 HFE 70-140 4851-9230-5
Q903 TR DTA114ESA ROHM 485A-114E-5
Q922,Q923 TR 2SC1740S (R) HFE180-390 4860-1590-5
Q943,Q944 TR 2SD 1468 S 4860-8120-0
Q945 TR DTA114ESA ROHM 485A-114E-5
Q980 TR 2SC1740S (R) HFE180-390 4860-1590-5
Q981 TR 2SA1015-Y HFE120-240 4851-015Y-5
Q982 TR N-JEET 2SK-363BL 4853-63BL-5

RESISTORS

R901 RMG 1/10W 33K 5% 0805 4720-333J-J
R902 RMG 1/10W 22R 5% 0805 4720-220J-J
R903 RMG 1/10W 12K 5% 0805 4720-123J-J
R904 RMG 1/10W 330R 5% 0805 4720-331J-J
R905 RMG 1/10W 680R 5% 0805 4720-681J-J
R906 RMG 1/10W 10K 5% 0805 4720-103J-J
R907 RMG 1/10W 3.3K 5% 0805 4720-332J-J
R908 RMG 1/10W 470R 5% 0805 4720-471J-J
R909,R910 RMG 1/10W 330R 5% 0805 4720-331J-J
R911 RMG 1/10W 100R 5% 0805 4720-101J-J
R912 RMG 1/10W 22R 5% 0805 4720-220J-J
R913 RMG 1/10W 33R 5% 0805 4720-330J-J
R915 RMG 1/10W 10K 5% 0805 4720-103J-J
R916 RMG 1/10W 1K 5% 0805 4720-102J-J
R918 RMG 1/10W 4.7K 5% 0805 4720-472J-J
R919-R924 RMG 1/10W 1K 5% 0805 4720-102J-J
R925,R926 RMG 1/10W 82R 5% 0805 4720-820J-J
R927 RMG 1/10W 10K 5% 0805 4720-103J-J
R928 RMG 1/10W 220R 5% 0805 4720-221J-J
R929 RMG 1/10W 3.3K 5% 0805 4720-332J-J
R931 RMG 1/10W 22R 5% 0805 4720-220J-J
R942 RMG 1/10W 4.7K 5% 0805 4720-472J-J
R943 RMG 1/10W 8.2K 5% 0805 4720-822J-J
R944 RMG 1/10W 100K 5% 0805 4720-104J-J
R945 RMG 1/10W 3.9K 5% 0805 4720-392J-J
R946 RMG 1/10W 3.3K 5% 0805 4720-332J-J
R947,R948 RMG 1/10W 10K 5% 0805 4720-103J-J
R952,R953 RMG 1/10W 22K 5% 0805 4720-223J-J
R954 RMG 1/10W 10K 5% 0805 4720-103J-J
R955 RMG 1/10W 22R 5% 0805 4720-220J-J
R957,R958 RMG 1/10W 2.7K 5% 0805 4720-272J-J
R959,R960 RMG 1/10W 330K 5% 0805 4720-334J-J
R961,R962 RMG 1/10W 6.8K 5% 0805 4720-682J-J
R963,R964 RMG 1/10W 100K 5% 0805 4720-104J-J
R968 RMG 1/10W 1K 5% 0805 4720-102J-J
R970 RMG 1/10W 0R 5% 0805 4720-000J-J
R971 RMG 1/10W 3.3K 5% 0805 4720-332J-J
R972 RMG 1/10W 10K 5% 0805 4720-103J-J
R973 RMG 1/10W 30K 5% 0805 4720-303J-J
R974 RMG 1/10W 100K 5% 0805 4720-104J-J
R975 RMG 1/10W 56K 5% 0805 4720-563J-J
R977 RMG 1/10W 0R 5% 0805 4720-000J-J
R980 RMG 1/10W 10K 5% 0805 4720-103J-J
R981-R983 RMG 1/10W 100K 5% 0805 4720-104J-J
R984 RMG 1/10W 1M 5% 0805 4720-105J-J
R985 RMG 1/10W 470R 5% 0805 4720-471J-J
R986 RMG 1/10W 10K 5% 0805 4720-103J-J
R987 RMG 1/10W 100K 5% 0805 4720-104J-J
R988 RMG 1/10W 0R 5% 0805 4720-000J-J
R989 RMG 1/10W 1M 5% 0805 4720-105J-J
R991 RMG 1/10W 0R 5% 0805 4720-000J-J

12

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

SEMI FIXED

R941 SVR 22K H3 7X7.6 RH0615C 4756-2236-3-06
R951 SVR 100K H3 6.7X 6.3EVN-D8A A02 4756-1046-3-03
R956 SVR 10K H3 7X7.6 RH0615C 4756-1036-3-06

ICs

U901 IC LA1837 AM/FM IF 3130-8180-0
U903 IC LC7218 PLL FREQ SYNTHESIZER SANYO 3131-3760-0

PACKING MATERIALS

3001 GIFT BOX,502 1477-2813-0
3002 POLYFOAM 1490-1753-2
3005 POLYBAG UNIT 450X650 1497-1392-1
3006 DATE CODE LABEL 3000-3544-0
3007 *US S/N LABEL SET A0180C 3000-8913-0
3007 *CE SERIAL NO. LBL A0181C 3000-9020-0
3008 GP ALKALINE BATTERY 1.5V 2A (15A) 4060-0710-0
3009 REMOTE HANDSET GTP506 8900-9270-0
3010 POLYBAG 240X100X0.05X5 1497-0152-0
3011 POLYBAG 260X130X0.1 OPEN END 1497-0672-0
3012 POLYBAG 255X180X0.1X8 (RECY) 1497-1312-0
3013 300-OHM T ANTENNA 2107-0661-1
3014 AM LOOP ANTENNA 2113-1155-0
3016 RCA CABLE W/R AU L=1.0M (2P) 7010-2020-0
3020 LABEL- YELLOW 3000-3724-0
PACK CARTON SHT-PALLET 1000X1200 1450-1351-0
PACK ANGLE BOARD (L=1000MM) 1450-1891-0
PACK CARD BOARD 1230x1130 DW 1450-5430-0
PACK PAPER PALLET (1200X1100X120MM)-WATER PROOF 1450-7350-0

RIBBON 60MMX300M 3005-0360-1
MODEL LABEL SET,BLANK APPLE SERIES 3005-0512-0

CASING MATERIALS

0101 *US REAR PANEL 1403-5212-0
0101 *CE REAR PANEL 1403-5213-0
0102 TOP COVER 502/506 1402-3572-0
0103 BOTTOM CHASSIS 1403-5201-0
0104 *US FRONT BKT (SUBFASCIA) 1403-5230-0
0104 *CE FRONT BRACKET,CE 1403-5231-0
0105 *US FRONT PANEL GTP502 1403-5221-0
0105 *CE FRONT PANEL,502CE 1403-5223-0
0106 METAL WASHER M3X0.4X8 BZ 2600-3004-0803
0107 PLASTIC FOOT 4152-0481-0
0108 T3X8MM SELF TAPPING 2954-3008-3000
0109 T3X8MM SELF TAPPING 2954-3008-3000
0111 T3X8MM SELF TAPPING 2954-3008-3000
0112 *US AC CORD 18AWGX2 7009-3100-2
0113 T3X8MM SELF TAPPING 2954-3008-3000
0114 M3X8 C'SINK B-TITE FH,BK 2951-3008-3000
0115 SCREW M3X6 BINDING (BLK) 2904-3006-3000
0116 M3X8 C'SINK B-TITE FH,BK 2951-3008-3000
0117 T3X8MM SELF TAPPING 2954-3008-3000
0120 *US FUSE HOLDER (PANEL MOUNT) 4152-0491-0
0120 *CE M3X8 C'SINK B-TITE FH,BK 2951-3008-3000
0121 *US STRAIN RELIEF BUSHING 4151-9461-0
0122 RUBBER PIN 4152-0501-0
0123 FOAM STRIP 80X10X1MM 4152-0661-0
0124 DISPLAY BEZEL 4154-0511-0
0125 VFD LENS 3716-5011-0
0126 LENS,VOLUME GTP-740 3715-4100-0
0127 LENS BUTTON ACTUATOR 3715-4800-0
0128 POWER KNOB LENS 3714-4906-0
0130 *US AC INLET 2 PIN 15A 2113-1662-0
0130 *CE AC INLET SOCKET 2113-0300-0
0131 *US F CONNECTOR 2113-1172-0
0131 *CE ANTENNA JACK, DIN TYPE 2107-1111-0
0132 POWER KNOB 2438-8301-0
0133 POWER KNOB HOLDER 2438-8401-0

13

PARTS LIST GTP-502

REF NO. DESCRIPTION PART NO.

0134 POWER KNOB-LED CAP 2438-8501-0
0135 KNOB,VOLUME GTP-740 2441-8200-0
0136 FUNCTION KNOB W/O LIGHT 2441-9600-0
0137 KNOB SPACER 2441-9500-0
0138 FUNCTION KNOB W/ LIGHT 2441-9700-0
0139 SPRING 2510-2031-0
0140 BALANCE KNOB 2444-3711-0
0142 LENS LEDX4 3715-5000-0
0143 3X6MM B-TITE (BLK.ZN) 2954-3006-3000
0144 SCREW M3X8 (BLK) 2904-3008-3000
0145 SCREW M3X8 (BLK) 2904-3008-3000
0146 SCREW M3X8 (BLK) 2904-3008-3000
0147 CONN. ASSY 4P 2.5P L=50 7010-1510-0
0148 CONN.ASSY 8P P=2.5 L=280MM (SH) 7012-5230-0
0149 CONN.ASSY 4P P=2.5 L=320MM (SH) 7012-5240-0
0153 FLEXIBLE CABLE 35P L=150 P1.25 7012-5260-0
0156 CONN.ASSY 5P P2.5 L=120MM 7012-5610-0
0157 CONN.ASSY 4P P=2.5 L=100MM (SH) 7012-5340-0
0158 CONN.ASSY 6P P=2.5 L=200MM (SH) 7012-5350-0
0161-0162 *US CONN.ASSY 4P P=2.5 7012-5340-0
0163 *US CONN.ASSY 2P P=2.5 7012-5370-0
0164 SHRINKAGE TUBE ID=5 UL/CSA 1660-0620-0
0165 L-BRACKET 4152-0451-0
0169 BASS KNOB 2444-3611-0
0170 BASS KNOB COVER 2444-3811-0
0171 BASS KNOB SPACER 2444-3911-0
0173 BASS KNOB SPRING 4134-9281-1
0174 T3X8MM SELF TAPPING 2954-3008-3000
0175 SCREW M3X6 BINDING (BLK) 2904-3006-3000
0176 T3X8MM SELF TAPPING 2954-3008-3000
0177 LABEL MATT BLACK 3000-4749-0
0180 TOROIDAL X'FORMER I/P 1806-3524-0
0181 ME 2*8 4.0MM BK/RH JHC023-00 2954-2008-3000
0183 T3X8MM SELF TAPPING 2954-3008-3000
0184 SHEET-PVC 4X5X0.4 3100-1311-0
0189 ANTENNA WASHER 4131-7701-0
0190 M/C SCREW M3X8, CS SMALL HEAD 2901-3008-3001
0192 BRASS STUD M3 L=15.7mm 4154-2151-0
0193 *US SHIELD PLATE FOR TUNER 4135-0031-0
0194 BLUE FILTER 3716-5041-1
0196 *US CONN ASSY 3P P2.5 L=90MM 7010-1580-0
0197 FELT PAPER 07X30 1454-2350-0
0198 SHIELD PLATE 4134-9771-0
0199 SCREW M3X8 (BLK) 2904-3008-3000
M111-M114 *US FU 2000MA 5X20MM 5100-2020-1

M111-M114 *CE FUSE T2A 250V 5X20MM SEMKO/VDE 5120-0065-0
FUSE *US FUSE T1A 250V 6.4X31.8MM 5120-0205-0
PWR *CE FU T1A 250V SEMKO/UDE 5X20MM 5120-0018-0

SHRINKAGE TUBE ID=5 UL/CSA 1660-0620-0
SHRINKAGE TUBE ID=2 UL1226 1660-0740-0
SHRINKAGE TUBE ID=4MM UL 1660-0870-0

NOTE: - The components identified by

Replace only with part number specified.

- US : USA model only.

- CE : European model only.

- Capacitors : CP-Polystyrere, CM-Mylar,
CE-Electrolytic, CC-Ceramic.

- Resistors : RMF-Metal Film.

mark are critical for risk of fire and electrical shock.

14

IC BLOCK DIAGRAM GTP-502

V

V

U206-U207, U307, U333:
TC9273F-004

SS

1

2S1

3S2 26 S2

4S3 25 S3

5S4 24 S4

6S5 23 S5

7S6 22 S6

8S7 21 S7

9S8 20 S8

10S9 19 S9

11S10 18 S10

12S11

LEVEL SHIFT + SHIFT RESISTER

CIRCUIT

13

GND14CK

DD

26

(L-ch)

10bit

Latch

Circuit

15

DATA16STB

(R-ch)

10bit

Latch

Circuit

(Same

as L-ch

Circuit)

27 S1

17 S11

U202-U205: 7AA

AMPLIFIER 1

OUTPUT

INVERTING

NON-INVERTING

INPUT

INPUT

V –

1

2

3

4

AMPLIFIER 2

8

V +

7

+ – – +

OUTPUT

INVERTING

6

INPUT

NON-INVERTING

5

INPUT

U114: NJM78M56FA

U606: EEPROM 24C02

VCC
VSS

SDA

WP

VCCA0 81

WPA1 72

SCLA2 63

SDAVSS 54

SCL

A0
A1
A2

DOUT
ACK

WORD ADDRESS
BUFFERS

START/STOP
LOGIC

CONTROL
LPGIC

STATE COUNTERS

SALVE
ADDRESS
CO MPATATO RS

SENSE AMPS
SHIFT REGISTERS

XDEC

DATA IN STORAGE

HIGH VOLTAGE/
TIMING CONTROL

COLUMN
DECODERS

2

E

PROM

1

INPUT

2

GND

U1001: NJM78L05A

OUT

GND

IN

3

OUTPUT

15

IC BLOCK DIAGRAM GTP-502

U901: LA1837

FM SD

ADJ

OSC

REG

AM RF

INPUT

AFC

AM AGC

AM DETECTOR

INPUT

FM DETECTOR

OUTPUT

MPX

IUTPUT

MPX

OUTPUT

MPX

OUTPUT

AM STEREO L

INPUT

AM STEREO R

INPUT

L-OUT

R-OUT

30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

P-DET

Ø

304kHz

3 rd 5 th

DECODER

ANTI-BIRIDE

STEREO

VCO

SW

FF

38k

FF

19k

MUTE

FF

19k

PILOT

DET

ALC

BUFF

AM

OSC

COMP

REG

AM
MIXAMRF.AMP

SD

AM IF

AGC

AM

S-METER

DET

S-METER

U903: LC7218

FM

AM IF

S-CURVE

FM

DET

AM/FM

IF-BUFF

GND

TUNING

DRIVE

STEREO

DRIVE

V

CC

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

CC

V

ST LED

AM-IF OUTPUT

FM DETECTOR

OUTPUT

FM S-METER

AM NARROW CF

OUTPUT

AM S-METER

MUTE

AM MIXER

FM IF INPUT

OUTPUT

BYPASS

FM IF INPUT

GND

AM IF INPUT

TU-LED

SYC

6

XIN

XOUT

FMIN

1

REFERENCE

DIVIDER

24

1

19

SWALLOW COUNTER

2

1/16, 1/17 4 BIT

PHASE DETECTOR

CHARGE PUMP

FM/AM

SWITCH

CO

PILOT V

21

PD1

PD2

22

HCTR

16

AMIN

CE

CL

D0

18

2

DI

3

4

12-BIT PROGRAMMABLE

DIVIDER

SHIFT REGISTER

LATCH

UNIVERSAL

COUNTER

15

LCTR

V

20

DD

23

V

SS

5

871714131211109

OUT0 OUT1

OUT2 OUT3 OUT4 OUT5 OUT6 IN0 IN1

16

IC BLOCK DIAGRAM GTP-502

U116: LB1642

1

2

3

4

VCC1'

OUT2

VCC1

U602: UPD78P058

INput logic

6

IN1

GND5GND

U504: LM2901N

1OUT2 14 OUT3

2OUT1 13 OUT4

3Vcc 12 GND

-

+

4IN1(-) 11 IN4(+)

5IN1(+) 10 IN4(-)

7

8

9

10

IN2

OUT1

VCC2'

VCC2

6IN2(-) 9 IN3(+)

-

+

7IN2(+) 8 IN3(-)

-

+

-

+

P15/ANI5

P16/ANI6

P17/ANI7

AVss

P130/ANO5

P131/ANO1

AVREF1

P70/SI2/RxD

P71/SO2/TxD

P72/SCK2/ASCK

P20/SI1

P21/SO1

P22/SCK1

P23/STB

P24/BUSY

P25/SI0/SB0

P26/SO0/SB1

P27/SCK0

P40/AD0

P41/AD1

P14/ANI480P13/ANI379P12/ANI278P11/ANI177P10/ANI076AVREFD75AVDD74XT1/P0773XT272VPP71X170X269VDD68P06/NTP667P05/NTP566P04/NTP465P03/NTP364P02/NTP263P01/NTP1/TI01

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

P42/AD222P43/AD323P44/AD424P45/AD525P46/AD626P47/AD7

27

P50/A828P51/A9

29

P51/A10

30

P53/A11

31

P54/A1232P55/A13

33

34

Vss

36

P6037P6138P6239P63

P56/A1435P57/A15

P00/NTP0/TI00

62

61

40

P64/RD

RESET60

P127/RTP759

P126/RTP658

P125/RTP557

P124/RTP456

P123/RTP355

P122/RTP254

P121/RTP153

P120/RTP052

P3751

P36/BUZ50

P35/PCL49

P34/TI248

P33/TI147

P32/TO246

P31/TO145

P30/TO044

P67/ASTB43

P66/WAIT42

P65/WR41

17

IC BLOCK DIAGRAM GTP-502

U101: 7815 FA

INPUT

1

STARTING

CIRCUIT

U201: NJM4558M

CURRENT

GENERATOR

REFERENCE

VILTAGE

ERROR

AMPLIFIER

SOA

PROTECTION

THERMAL

PROTECTION

SERIES

PASS

ELEMENT

OUTPUT

3

GND

2

U111: 7812H

1

INPUT

U115: 7805

2

GND

3

OUTPUT

A OUTPUT

A- INPUT

A+ INPUT

V-

1

2

3

4

U501: KA2184D

IN

V

1

ABLC

AB

+ – – +

LIMITTER AMP

V+

8

B OUTPUT

7

B- INPUT

6

B+ INPUT

5

BPF

DETECTOR

COMPARATOR

INTE-

GRATOR

1

INPUT

WAVEFORM

SHAPER

2

GND

3

OUTPUT

2

C1 C2 C3 VOUT VCCGND f0

3 4 85 6 7

18

WIRING DIAGRAM GTP-502

FUSE

VOL BOARD

ROOM1 BOARD

TUNER BOARD

MAIN BOARD

IR3 BOARD

AC OUTLET BOARD

POWER BOARD

TRANSFORMER

RED

RED

BLACK

BLUE

BLACK

BROWN

PHONE BOARD

KEY BOARD

SWITCH BOARD

LED

2019

PCB LAYOUT GTP-502

TUNER BOARD

ROOM1 BOARD

Top View Bottom View

21 22

Top View Bottom View

PCB LAYOUT GTP-502

KEY BOARD

Top View

POWER SWITCH BOARD

IR3 BOARD

Bottom View

AC OUTLET BOARD
(UL Only)

SWITCH BOARD

2423

PCB LAYOUT GTP-502

MAIN BOARD (Top View)POWER BOARD

PHONE BOARD
(UL Only)

Top View

Bottom View

25 26

PCB LAYOUT GTP-502

MAIN BOARD (Bottom View) VOL BOARD

Top View

Bottom View

2827

SCHEMATIC DIAGRAM GTP-502

KEY

29 30

SCHEMATIC DIAGRAM GTP-502

MAIN CPU

3231

SCHEMATIC DIAGRAM GTP-502

MAIN INP

33 34

SCHEMATIC DIAGRAM GTP-502

MAIN REP

3635

SCHEMATIC DIAGRAM GTP-502

PSU

37 38

SCHEMATIC DIAGRAM GTP-502

ROOM 1

4039

SCHEMATIC DIAGRAM GTP-502

TUNER

41 42

TECHNICAL SPECIFICATION GTP-502

GENERAL AUDIO SPECIFICATION

Specification Details Units

1. Headphone output at 0.1% Vp-p 10 >9
THD with CD IN 500mV at 1 KHz,
(600 ohm load, Audio LPF)

2. Headphone Freq. Response dB 0 +/- 0.8
CD IN 500mV at 1 KHz for ref.
(2V output, 600 ohm load, Audio LPF)
(20Hz - 20KHz)

3. Remote control ( 30 max) meter 8

6

AM BAND SPECIFICATION

Frequency Range:

US 530 - 1710 KHz Step 10 KHz
EUROPE 522 - 1611 KHz Step 9 KHz

FREQ

KHz

1. Usable sensitivity 999 dBµV ≤ 30
(400Hz, -20dB, direct input) / 1000

2. S/N RATIO 999 dB ≥ 40
(5mV input) / 1000

3. THD (5mV input) 999 % ≤1.8

/ 1000

4. IF Rejection (450KHz) 603 dB ≥ 36
(ref. to item 8) / 600

5. Image Rejection (F+2xIF) 1404 dB ≥ 28
(ref. to item 8) / 1400

6. Selectivity 999 dB ≥ 17
(ref. to item 8) / 1000

7. Output 999 mV 130 +/- 20
(30%, 10mV) / 1000

8. Loop sensitivity 20dB S/N 999 / 1000 dB ≥ 60

603 / 600 dB ≥ 63
1404 / 1400 dB ≥ 63

9. Frequency response 100 - 2.3KHz 999 dB +/- 6dB
(400 Hz, 2mV) / 1000

Nom. Lim./Tol. Remark

UNIT LIMIT

FM BAND SPECIFICATION

Frequency Range:

87.5 - 108 MHz step Europe: 25kHz

US: 100kHz

FREQ

1. Usable sensitivity MONO 98MHz dBµ ≤ 15
IHF

2. S/N RATIO MONO 98MHz dB ≥ 73
(60dBµ IHF wtd) STEREO 98MHz dB ≥ 67

3. THD MONO 98MHz % ≤ 0.25
(60dBµ IHF wtd) STEREO 98MHz % ≤ 0.35
L only, R only

4. IF Rejection (10.7MHz) 98MHz dB ≥ 70
(refer to item 1)

5. Image Rejection (119.4 MHz) (refer to item 1)

US 98MHz dB ≥ 38
EUROPE 98MHz dB ≥ 85

6. Capture ratio (40dBµ) dB ≤ 3

43

UNIT LIMIT

TECHNICAL SPECIFICATION GTP-502

7. AM Suppression 98MHz dB ≥ 48
@ 60dBµ 100% mod FM, 30% mod AM

8. Pilot suppression L 98 MHz dB ≥ 60

R 98 MHz dB ≥ 60

9. Frequency response In between 20Hz & 15KHz dB 0 ± 1.5
( 1KHz Ref ) US = 75uS, EUROPE = 50uS

10. Channel Separation @ 100 Hz dB ≥ 30
(60dBµ IHF wtd) 1KHz US dB ≥ 42

1KHz EUROPE dB ≥ 38
10KHz dB ≥ 30

11. Alternate channel selectivity :
+/-400KHz, IHF dB ≥ 50

12. Muting level dBµ 18 +3/-3.

13. Output US 98MHz mV 500 +/- 15%

EUROPE 98MHz mV 750 +/- 15%

14. Auto-search sensitivity ON dBµ ≤ 15

OFF dBµ ≥ 24

PRE-AMPLIFIER SECTION:

UNIT

1. Output level : Max. OUTPUT Vp-p ≥ 9
(Rated OUTPUT is 2Vp-p)

2. Frequency response : 20Hz - 85KHz +/-0.8dB
(INPUT: 200mV, Volume at maximum, No loading)

3. THD with 30kHz LPF : 20Hz - 20KHz % ≤ 0.01%
(INPUT: 500mV, OUTPUT: 2V, 47k load)

4. Signal to noise ratio : kHz dB ≥ 100dB
(INPUT: 500mV, OUTPUT: 2V, A-Weighted)

5. Input sensitivity : mV 400 ± 30
(OUTPUT: 2V, Volume at maximum)

6. Cross-talk 1kHz : dB ≥ 85dB
( INPUT: 500mV, A-weighted, Volume at max.)

7. Tone Control Response:
(INPUT: 500mV, OUTPUT: 2V)
BASS Boost (100Hz) dB + 6 ± 2
BASS Cut (100Hz) dB - 6 ± 2
TREBLE Boost (10kHz) dB +6 ± 2
TREBLE Cut (10kHz) dB - 6 ± 2

LIMIT

GENERAL ITEMS

1. Destination AC Voltage:

USA : 120V - 60 Hz
Europe : 230V - 50 Hz

2. Operating voltage in range from AC voltage +10 / -15%.

3. Dimensions:

width x height x depth : W (432mm) x H (76mm) x D (292mm)

4. Operating Temperature : -5 to +45 ˚C.

5. Standard input :

FM 75 KHz Deviation
AM 30% Modulation
Pilot 9% Deviation.

44

Feb2001

A0180C-SM00A