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Adcom GTP-740, Service Manual

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Adcom GTP-740 Service Manual Download Page 33

33

GTP-740

SEG1

SEG35

C4

R0

SEG36/P05

SEG41/LED

COM1

COMMON

DRIVER

35 OUT SEGMENT DRIVER

41 BIT DATA SELECTOR

41 BIT

LATCH

41 BIT

LATCH

41 BIT

LATCH

41 BIT

LATCH

5 SEGMENT/PORT

& SEGMENT/LED

DRIVER

TIMING

GEN

OSC

MODE

SELECTOR

CONTROL

LOGIC

C6 C5 C4 C3

(41+7) 48 BIT SHIFT REGISTER

5X5 KEY SCANNER

C2 C1 C0

OSC

VDD

VSS

TEST

INT

LOAD

DATAI/O

CLOCK

RESET

COM4

R0 R0 R0 R0

C3

C2

C1

C0

1

SEG1

48 DATA I/O

2

SEG2

47 INT

3

SEG3

46 RESET

4

SEG4

45 TEST

5

SEG5

44 VSS

6

SEG6

43 OSC

7

SEG7

42 VDD

8

SEG8

41 SEG41/LED

9

SEG9

40 SEG40/P01

10

SEG10

39 SEG39/P02

11

SEG11

38 SEG38/P03

12

SEG12

37 SEG37/P04

13

SEG13

36 SEG36/P05

14

SEG14

35 SEG35

15

SEG15

34 SEG34

16

SEG16

33 SEG33

17

SEG17

64

COM1

18

SEG18

63

COM2

19

SEG19

62

COM3

20

SEG20

61

COM4

21

SEG21

60

C0

22

SEG22

59

C1

3

SEG23

58

C2

24

SEG24

57

C3

25

SEG25

56

C4

26

SEG26

55

R0

27

SEG27

54

R1

28

SEG28

53

R2

29

SEG29

52

R3

30

SEG30

51

R4

31

SEG31

50

LO

AD

32

SEG32

49

CLOCK

KEYBOARD ASSEMBLY
U501: MSM9006-02

IC BLOCK DIAGRAM

Summary of Contents for GTP-740

Page 1: ...TABLE OF CONTENTS Alignment Procedures 2 3 Parts List 4 22 IC Block Diagram 23 36 Wiring Diagram 37 38 PCB Layout 39 48 Schematic Diagram 49 68 Technical Specification 69 73 10 TIMBER LANE MARLBORD N...

Page 2: ...I F TRACKING Maintain connection of DVM across M213 M214 Disconnect 10 7 MHz tap to M212 Apply 98 MHz 60 dBm to antenna input Tune to 98 MHz Adjust C212 FOR 0 20mV reading on DVM Fine adjust L209 for...

Page 3: ...rator and antenna terminal OSCILLATION TUNING VOLTAGE Connect DVM between M211 GND Tune to 603 600 kHz Adjust L205 for 1 75 0 05 V reading on DVM I F Apply 999 1000 kHz set 45 dBm to antenna input Tun...

Page 4: ...C140 C144 C148 CC 50V 5600pF 10 0805 150F 562K J BD C102 CC 50V 82pF 5 0805 1 2x 150F 820J J BD C150 U101 TRIMCAP 5 2 30P 1551 0210 0 C108 CE 10V 100uF 20 RL 5x11 157C 107M 5 IU u050 1 gnd CE 10V 1000...

Page 5: ...R166 R179 RMG 1 10W 1R 5 0805 4720 010J J R118 R127 RMG 1 10W 100R 5 0805 4720 101J J R001 R008 R015 R022 R029 R036 R068 R089 RMG 1 10W 1K 5 0805 4720 102J J R100 R105 R110 R114 R128 R130 R138 R155 R1...

Page 6: ...4804 0010 1 D101 DIODE 1N4148 ATS 4804 1480 C D003 DZ 1 2W 5 45 5 73 ROHM 4837 5B61 2 D103 D104 RLS 73 DIODE 4840 1080 3 D102 VARICAP DIODE BB729 4840 1490 0 TRANSISTOR Q100 Q107 TR 9014C HFE 200 600...

Page 7: ...02 021S 004 J473 J477 J743 J744 3 PIN ST WAFER 2102 031S 004 J444 J480 J733 J737 J740 J742 J770 J795 4P ST WAFER 2102 041S 004 J735 J736 5P ST WAFER 2102 051S 004 J738 J739 6P ST WAFER 2102 061S 004 J...

Page 8: ...497 R707 R721 R467 R485 R498 RMF 1 8W 3 9K 1 AT 4711 392A 2 R742 R747 RMF 1 8W 470R 1 ATS 4711 471A C R425 R712 R717 R749 R753 R754 RMF 1 8W 4 7K 1 ATS 4711 472A C R720 R748 R750 R804 RMF 1 8W 47K 1 A...

Page 9: ...0 CRYSTAL M151 CRYSTAL 8MHZ 2300 1420 0 IC U023 U027 U028 IC TC74HC00AP DIGITAL 3130 4160 0 U018 IC MC56009 88 DSP 3130 6200 0 U017 IC CY7C109A 128KX8 3130 6310 0 U024 IC 74HC74 DUAL D TYPE 3130 6590...

Page 10: ...IU C329 C355 CE 10V 470UF 20 RL 8X11 157C 477M 5 OU C358 CE 16V 100uF 20 RL 5x11 157D 107M 5 IU C386 CE 16V 33uF 20 RL 5x11 157D 336M 5 IU C336 CE 25V 3 3uF 20 RL 4x7 157E 335M 5 GM C338 CE 50V 1uF 2...

Page 11: ...K 1 ATS 4711 473A C R339 RMF 1 8W 5K 1 AT 4711 502A 2 R631 RMF 1 8W 56R 1 AT 4711 560A 2 R323 RMF 1 8W 560R 1 ATS 4711 561A C R390 R391 RMF 1 8W 68R 1 AT 4711 680A 2 R330 RMF 1 8W 6 8K 1 AT 4711 682A...

Page 12: ...5 C377 C378 C380 CE 50V 10uF 20 RL 4x7 157F 106M 5 GM C625 CE 50V 2 2uF 20 RL 5x11 157F 225M 5 IU C618 CE 50V 3 3uF 20 RL 5x11 157F 335M 5 IU C621 C622 CTC 0 60 39pF 5 RL 15CH 390J 5 IG C632 CTC 0 60...

Page 13: ...W 1 AT 4711 393A 2 R354 R392 R619 R640 RMF 1 8W 470R 1 ATS 4711 471A C R637 RMF 1 8W 4 7K 1 AT 4711 472A 2 R618 RMF 1 8W 4 7K 1 ATS 4711 472A C R370 RMF 1 8W 47K 1 ATS 4711 473A C R611 R613 RMF 1 8W 4...

Page 14: ...V 0 01uF 10 RL 5x5 150F 103K 5 II C503 C505 C511 C513 C515 C517 C519 C521 CC 50V 0 1uF 10 RL 5x5 150F 104K 5 II C507 CM 50V 0 01u 5 RL 5X7 153F 103J 5 IM C504 C512 C514 C516 C518 C520 C522 CE 16V 10uF...

Page 15: ...L60 7009 9920 0 J502 CONN ASSY 12P P2 5 L 70 7712 1070 2004 MISCELLANEOUS 1501 EL LIGHT BLUE A1 TYPE 2450 1156 0 1502 LCD DISPLAY GTP 740 2460 1280 0 1501 WSER FIBRA 1103A D3 3 2848 0032 0 1504 HOLDE...

Page 16: ...208 CE 50V 100uF 20 RL 8x12 157F 107M 5 OW C248 CE 50V 0 22uF 20 RL 157F 224M 5 IU C207 C232 C239 CE 50V 3 3uF 20 RL 5x11 157F 335M 5 IU C201 CE 50V 0 47uF 20 RL 157F 474M 5 IU C231 CE 50V 4 7uF 20 RL...

Page 17: ...15 222A 2 R234 R242 R269 R271 RMF 1 4W 2 7K 1 AT 4715 272A 2 R238 RMF 1 4W 30K 1 AT 4715 303A 2 R215 R216 R223 R224 RMF 1 4W 330R 1 AT 4715 331A 2 R240 R260 RMF 1 4W 3 3K 1 AT 4715 332A 2 R261 RMF 1 4...

Page 18: ...52C 1724 320A 0000 CAPACITOR C1 C3 C6 C12 C14 C18 C20 CC 50V 0 1uF 20 0805 1 150F 104M J BD C2 CE 10V 47uF 20 RL 5x11 157C 476M 5 IU C13 C15 C16 C17 CE 16V 10uF 20 RL 4x7 157D 106M 5 GM WAFERS SOCKET...

Page 19: ...07 C809 C810 C813 C814 C816 C818 CC 50V 0 1uF 10 RL 5x5 150F 104K 5 II C820 C822 C824 C825 C827 C829 C830 C834 C832 CE 16V 1000uF 20 RL 157D 108M 5 S5 C826 C831 CE 16V 470uF 20 RL 157D 477M 5 SY C823...

Page 20: ...AT 4717 100A 2 DIODE D801 D802 D803 DIODE RECT IN4002 AL 4804 0020 1 D1 D2 D3 DIODE 1N4148 ATS 4804 1480 C D806 D807 D808 D812 BRIDGE RECTIFIER RS102 4840 0470 0 D804 BRIDGE RECTIFIER RB152 4840 0490...

Page 21: ...09 KNOB VOLUME GTP 740 2441 8200 0 0119 KNOB SPACER 2441 9500 0 0120 FUNCTION KNOB W O LIGHT 2441 9600 0 0121 FUNCTION KNOB W LIGHT 2441 9700 0 0122 KNOB TUNER 2441 9800 0 0116 SPRING 2510 2031 0 162...

Page 22: ...L 130 7010 1040 0 0171 CONN ASSY 3P P2 5 L 110 7010 1050 0 0179 CONN ASSY 9P P2 5 L 60 7010 1470 0 0178 CONN ASSY 7P P2 5 L 70 7010 1480 0 0168 CONN ASSY 2P P2 5 L 140 7010 1490 0 0173 CONN ASSY 4P P...

Page 23: ...put PLL MUX DEM Clock Osc Divider Volume Control Volume Control Volume Control Volume Control Volume Control Volume Control DAC 1 DAC 2 DAC 3 DAC 4 DAC 5 DAC 6 Mono ADC Left ADC Right ADC Voltage Refe...

Page 24: ...A15 18 PA3 19 PA2 20 PA1 21 PA0 22 RD E DS 23 AD0 A0 24 AD1 A1 25 AD2 A2 26 AD3 A3 27 AD4 A4 28 AD5 A5 6 PB5 5 PB6 4 PB7 3 RESET 2 V R V PP or R W 1 PSEN 44 V CC 43 A19 CSI 42 PC2 41 PC1 40 PC0 PAGE L...

Page 25: ...R15 PB6 ADDR14 PB5 ADDR13 PB4 ADDR12 PB3 ADDR11 PB2 ADDR10 PB1 ADDR9 PB0 ADDR8 PC7 ADDR7 DATA7 PC6 ADDR6 DATA6 PC5 ADDR5 DATA5 PC4 ADDR4 DATA4 PC3 ADDR3 DATA3 PC2 ADDR2 DATA2 PC1 ADDR1 DATA1 PC0 ADDR0...

Page 26: ...T 14 GND 28 VDD 27 R S1 3 L S2 26 R S2 4 L S3 25 R S3 5 L S4 24 R S4 6 L COM1 23 R COM1 7 L S5 22 R S5 8 L S6 21 R S6 9 L COM2 20 R COM2 10 L S7 19 R S7 11 L S8 18 R S8 12 L COM3 17 R COM3 13 L ST 16...

Page 27: ...T1 12 R IN2 11 R OUT2 5 L IN2 6 L OUT2 2 L OUT1 3 L IN1 A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW A SW AUDI...

Page 28: ...OJ 12 13 29 32 31 30 16 15 17 18 GND A16 A14 A12 A7 A6 A5 A4 A3 WE VCC A15 A13 A8 A9 I O7 I O6 I O5 I O4 A2 NC I O0 I O1 I O2 CE1 OE A10 I O3 A1 A0 A11 CE2 A6 A7 A16 A14 A12 WE VCC A4 A13 A8 A9 OE TSO...

Page 29: ...Generator Interrupt Control Serial Audio Interface SAI Serial Host Interface SHI External Memory Interface EMI Program Memory X Data Memory Y Data Memory Data ALU 24 x 24 56 56 Bit MAC Two 56 Bit Accu...

Page 30: ...ND 14 IN2b 13 VCC 12 CTLb 11 IN1b 10 GND 9 IN1c Sa Sb Sc S VIDEO ASSEMBLY U307 U309 BA7602 IC BLOCK DIAGRAM Clamp Clamp SW1 Sync Sepa Sync Sepa Output 0 02 10k 2k 50k 680p 100k 1000p AFCHSYNC Switchin...

Page 31: ...S BUFFER SELECTOR 1 I VOW3 24 AVDD 2 P04 ACM VOB2 23 AVSS 3 TEST2 22 FB VOB 4 1TEST1 21 VDD 5 C 20 B VOW2 6 VSYNC 19 P01 7 HSYNC 18 G VOW1 8 SDA SIN 17 P00 9 SCK SCLK 16 R VOW0 10 ATAL1 IN 15 HIO I2C...

Page 32: ...Constant Input Output Input Output Judgement Control Smoothing 5V 10V Comparator Switch VIDEO ASSEMBLY U322 NJM2220S V CC1 1 V CC1 2 OUT2 3 IN1 4 GND 5 GND 6 IN2 7 OUT1 8 V CC2 9 V CC2 10 INput logic...

Page 33: ...48 DATA I O 2 SEG2 47 INT 3 SEG3 46 RESET 4 SEG4 45 TEST 5 SEG5 44 VSS 6 SEG6 43 OSC 7 SEG7 42 VDD 8 SEG8 41 SEG41 LED 9 SEG9 40 SEG40 P01 10 SEG10 39 SEG39 P02 11 SEG11 38 SEG38 P03 12 SEG12 37 SEG3...

Page 34: ...on adjust Post amp output Post amp input Post amp input Post amp output Vcc ON muting FM AM changeover Muting output GND Stereo indicator Changeover mute Muting Pilot sync detector filter Pilot sync d...

Page 35: ...SET GNDD MISO SDA MD3 GNDS MD2 VCCP MD1 PCAP VCCD GNDP MD0 PINIT GNDD GNDQ GPIO3 VCCQ GPIO2 EXTAL GPIO1 SCK SCL GPIO0 MA0 MRD MA1 MWR MA2 MA17 MCS1 MRAS MA3 1 61 21 41 MA16 MCS2 MCAS GNDA Host Process...

Page 36: ...CE 10 A0 19 I O7 11 I O0 18 I O6 12 I O1 17 I O5 13 I O2 16 I O4 14 GND 15 I O3 22 OE 21 A10 23 A11 20 CE 24 A9 19 I O7 25 A8 18 I O6 26 A13 17 I O5 27 WE 16 I O4 28 VCC 15 I O3 1 A14 14 GND 2 A12 13...

Page 37: ...GTP 740 WIRING DIAGRAM RED AC OUTLET BOARD POWER BOARD PHONE BOARD KEYBOARD VOL BOARD TUNER BOARD CPU BOARD AC3 BOARD AUDIO BOARD S VIDEO BOARD VIDEO BOARD 37 38...

Page 38: ...GTP 740 39 40 AUDIO BOARD PCB LAYOUT POWER BOARD...

Page 39: ...GTP 740 42 41 AC3 BOARD Bottom View PCB LAYOUT AC3 BOARD Top View...

Page 40: ...GTP 740 43 44 PCB LAYOUT KEYBOARD Top View KEYBOARD Bottom View...

Page 41: ...GTP 740 45 46 PCB LAYOUT S VIDEO BOARD VIDEO BOARD VOL BOARD PHONE BOARD...

Page 42: ...GTP 740 47 48 PCB LAYOUT TUNER BOARD CPU BOARD Top View CPU BOARD Bottom View AC OUTLET BOARD...

Page 43: ...GTP 740 49 50 SCHEMATIC DIAGRAM AC3 DSP...

Page 44: ...GTP 740 51 52 SCHEMATIC DIAGRAM TUNER Front End Data Ports...

Page 45: ...54 53 SCHEMATIC DIAGRAM GTP 740 S_VIDEO INPUTS SELECTOR OSD CONTROLLER...

Page 46: ...55 56 SCHEMATIC DIAGRAM GTP 740 KEYBOARD...

Page 47: ...58 57 SCHEMATIC DIAGRAM GTP 740 COMPOSITE VIDEO REMOTE...

Page 48: ...60 59 SCHEMATIC DIAGRAM GTP 740 AUDIO I O...

Page 49: ...62 61 SCHEMATIC DIAGRAM GTP 740 CHANNELS OUTPUT...

Page 50: ...63 64 SCHEMATIC DIAGRAM GTP 740 AUDIO BOARD VOLUME MOTOR PORT...

Page 51: ...66 65 SCHEMATIC DIAGRAM GTP 740 POWER SUPPLY...

Page 52: ...67 68 SCHEMATIC DIAGRAM GTP 740 TUNER Audio Outputs S VIDEO BALL SYSTEM ON OFF SELECTOR...

Page 53: ...mod 75KHz C mod 40KHz 8 AM suppression 97 7MHz dB 55 50 60dBf mod 75KHz 9 Pilot suppression L 97 7MHz dB 55 55 mod 75KHz R 97 7MHz dB 55 55 10 Frequency response In In between 30Hz 15kHz 1kHz Ref 75u...

Page 54: ...100hz0 0 08 10 10Khz0 0 08 6 Signal to noise ratio STOP Audio LPF dB 85 Output level 2Vrms A WTD LPF dB 85 PAUSE Audio LPF dB 85 A WTD LPF dB 85 Play 23 Audio LPF dB 85 A WTD LPF dB 85 CCIR ARM dB 85...

Page 55: ...8 at config 0 set 30Hz LFE 48 20 80 dB 4 0 4 Harmonic distortion at 0 2Vrms SL 30 997Hz 0 08 insert Audio LPF at config 1 SR 30 997Hz 0 08 C 30 997Hz 0 08 at 2Vrms LFE 70 30Hz 0 03 5 Signal to noise r...

Page 56: ...rmonic distortion FL FR C SL SR at config 1 6 1kHz 0 06 W 20 KHz LPF 4 Frequency response 20Hz to 20kHz FL FR C SL SR at config 0 15 dB 0 08 5 Subwoofer output level set 1kHz as ref at FL at config 1...

Page 57: ...Hz dB SL SR 70 ROOM2 FUNCTION Surround mode 2 channels FL FR channels Input source Analog input audio analyser CD input Room2 level 10 unless specified Input level 2 0V Specification Details Freq Unit...

Page 58: ...10 TIMBER LANE MARLBORD N J 07746 USA PHONE 732 683 2356 FAX 732 683 2358 WEB http www adcom com Oct 12 2002...

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