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1、NOTES PC boards shown are viewed from parts side. The parts with no reference number or no parts number in the exploded views are not supplied. As regards the resistors and capacitors, refer to the circuit diagrams supplied pripor to this manual. Parts marked with this sign are safety critical compo
2、nents. They must be replaced with designated components. Destination of product is expressed by mark and ensure exact replacement: EUR: EUROPE, UK: U.K., USA: U.S.A. AM/FM STEREO RECEIVER AG-790E CONTENTS Effective : June 2010G-1008A 1. SPECIFICATIONS 2 2. BRIEF OVERVIEW OF LSI 3 3. EXPLODED VIEWS A
3、ND PARTS LISTS 6 4. PC BOARDS AND PARTS LISTS 8 5. INCLUDED ACCESSORIES14 Model name of the AG-790 has been changed to AG-790E from S/N 0AL0001 and higher to cope with Eco Power requirement. Use this service manual according to the S/N of the unit. RadioFans.CN 收音机爱 好者资料库 2 AG-790E 1. SPECIFICATIONS
4、 Amplifier Section Output Power 90 + 90 watts RMS (0.9 % THD, 1 kHz, 8 ohms) Total Harmonic Distortion 0.05 % (at 80 watts,1 kHz) Input Sensitivity/Impedance PHONO: 6.5 mV/22 kohms LINE: 230 mV/22 kohms Signal-to-Noise Ratio PHONO: 75 dB (IHF-A) LINE: 90 dB (IHF-A) Tone Control BASS: 10 dB at 100 Hz
5、 TREBLE: 10 dB at 10 kHz Loudness Control +4 dB at 100 Hz FM Tuner Section Tuning Range 87.5 MHz to 108.0 MHz Usable SensitivityMono: 10 dBV/m 50 dB Quieting Sensitivity Mono: 15 dBV/m Stereo: 33 dBV/m Image Rejection Ratio 35 dB AM Suppresion Ratio 50 dB Harmonic Distortion (1 kHz) Mono: 0.5 %, Ste
6、reo: 0.5 % Frequency Response 20 Hz to 15 kHz, 3 dB Stereo Separation (1 kHz) 35 dB Signal-to-Noise Ratio Mono: 70 dB Stereo: 65 dB (IHF-A) AM Tuner Section Tuning Range 522 kHz to 1,620 kHz, 9 kHz steps EUR, UK 530 kHz to 1,720 kHz, 10 kHz steps USA Usable Sensitivity 55 dB Total Harmonic Distortio
7、n 1 % at 100 dBV/m Signal-to-Noise Ratio 40 dB at 100 dBV/m General Power Requirements 230 V AC, 50 Hz EUR, UK 120 V AC, 60 Hz USA Power Consumption 280 W EUR, UK 2.5A USA 0.6 W (standby) AC Outlet (Total 100 W max)Unswitched x 1 Dimensions (W x H x D) 435 x 144 x 330 mm Weight (net) 7.4 kg (16.31 l
8、b) Operating temperature+5 C - +35 C Operating humidity 5% - 85% (no condensation) Storage temperature -20 C - +55 C Standard Accessories AM Loop Antenna x 1 FM Antenna x 1 Remote Control Unit (UR-415B) x 1 Battery (AA, R6, SUM-3) x 2 Owners manual x 1 Warranty card x 1 *LINE means CD, TAPE MONITOR
9、, VIDEO/AUX. RadioFans.CN 收音机爱 好者资料库 3 AG-790E 2. BRIEF OVERVIEW OF LSI Control pins Pin Configuration (Top View) CMOS 8-Bit MCU with 61440 bytes Flash memory (PQFP64) TOSHIMA T5CB5, FRONT PCBA IC91 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 (INT3
10、/TC2) P15 (PD05/PWM5/TC5) P16 (PDO6/PWM6/PPG6/TC6) P17 (SCL) P50 (SDA) P51 P52 P53 P54 P30 P31 P32 P33 P34 P35 P36 P37 P74 (AIN12) P73 (AIN11) P72 (AIN10) P71 (AIN9) P70 (AIN8) P67 (AIN7/STOP3) P66 (AIN6/STOP2) P65 (AIN5/STOP1) P64 (AIN4/STOP0) P63 (AIN3) P62 (AIN2) P61 (AIN1) P60 (AIN0) AVDD VAREF
11、P07 (INT2) 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P14 (TC4/PDO4/PWM4/PPG4) P13 (TC3/PDO3/PWM3) P12 (PPG) P11 (DVO) P10 (TC1) P17 P46 (SCK2) P45 (SO2) P44 (SI2) P43 P42 (TxD2) P41 (RxD2) P40 P77 (AIN15) P76 (AIN149 P75 (AIN13) VSS XIN XOUT TEST VDD (XTI
12、N) P21 (XTOUT) P22 RESET (STOP/INT5) P20 (INT0) P00 (BOOT/RxD1) P01 (TxD1) P02 (INT1) P03 (SI1) P04 (SO1) P05 (SCK1) P06 Pin No. Control Pin Input/Output Input/Output Circuitry Remarks VDDVDD Osc enable Resonator connecting pins (High frequency) Rf = 1.2 M (typ.) RO = 0.5 M (typ.) XINXOUT RO fc Rf 2
13、 XIN Input 3 XOUT Output RadioFans.CN 收音机爱 好者资料库 4 AG-790E Input/Output Ports VDDVDD XTEN Osc enable Resonator connecting pins (Low frequency) Rf = 6 M (typ.) RO = 220 k (typ.) Hysterisis input Pull-up resistor RIN = 220 k (typ.) R = 100 (typ.) Tri-state I/O Histerisis input R = 100 (typ.) Sink open
14、 drain output High current output R = 100 (typ.) Sink open drain output Histerisis input R = 100 (typ.) Initial “High-Z” Initial “High-Z” Data output Data output Output latch input Disable Pin input Pin input Initial “High-Z” Data output Output latch input Pin input Note: The TEST pin of the T5CB5 d
15、oes not have a pull-down resistor. Fix the TEST pin at low-level. R = 100 (typ.) Address-trap-reset Watchdog-timer-reset System-clock-reset RO fs Rf R RIN 6 XTIN Input 7 XTOUT Output 3 TEST Input 11 P1 I/O 13 P3 I/O 12 P2 I/O VDDVDD XTINXTOUT R R R VDD VDDVDD VDD 8 RESET Input Pin No. Port I/O Input
16、/Output Circuitry Remarks R 5 AG-790E Sink open drain output High current output Histerisis input R = 100 (typ.) Initial “High-Z” Data output Output latch input Output latch input Output latch input Pin input Key-on wakeup Pin input 15 P5 I/O R Sink open drain output or C-MOS output Histerisis input
17、 R = 100 (typ.) Tri-state I/O R = 100 (typ.) Initial “High-Z” Initial “High-Z” Data output Data output Analog input P-ch control Disable Disable Pin input (Control input) 14 P4 I/O 27 P67 I/O 26 P66 I/O 25 P65 I/O 24 P64 I/O 10 P0 I/O R VDD R VDD Output latch input Pin input Tri-state I/O R = 100 (t
18、yp.) Initial “High-Z” Data output Analog input Disable 23 P63 I/O 22 P62 I/O 21 P61 I/O 26 P60 I/O 17 P7 I/O R VDD 3. EXPLODED VIEWS AND PARTS LISTS 6 AG-790E USA USA EUR, UK EUR, UK S4 S4S5 S6 40 x2 x2 x6 x5 S6 x2 27 S2 S4 S7 S4 S4 S8 S5 S8 S9 S10 S9 S9 S5 S6 20 23 23 30 31 32 33 29 24 36 37 43 39
19、39 40 41 42 x2 S3 x13 S1x3 x3 S2 x3 x4 x6 x3 x3 B C C D D D B B x2 x2 x2 x2 x2 x6 x3 x2 x2 x2 x2 x6 x5 S6 x2 S5x5 A A S4 x4 S3 S3 x2 S3 x2 13 12 11 10 9 8 7 6 5 4 2 1 8 15 16 19 34 35 S4 x2 25 27 S1 3 21 S9 S1 x2 22 17 26 38 S4 S3x2 x2 18 17 S1 21 S9 44 7 EXPLODED VIEW REF. NO.PARTS NO.DESCRIPTIONRE
20、MARKS AG-790E 1 CGU1A375Y WINDOW AG-790 2 CBN1A122 KNOB, VOLUME 3 CMC1A140 RING, SHAFT 4 CGX1A369Z SHEET, LED 5 CGX1A370Z SHEET, LED 6 CGB1A165H8 BADGE, TEAC 7 CGW1A405R4WH10 PANEL, FRONT AG-790 EUR, UK CGW1A405R4XH10 PANEL, FRONT AG-790 USA 8 CMD2A563 BRACKET 9 H/P PCB ASSY United on FRONT PCBA, se
21、e page 11 10 CMK2A010 BRACKET, PCB 11 CBT1A991 KNOB, SPEAKER 12 CBC1A152 KNOB, POWER 13 CBT1A992 KNOB, TUNING 14 CMD1A334 BRACKET, POWER 15 CBT1A994 KNOB, BASS 16 CBT1A993Y KNOB, FUNCTION AG-790 17 HFLSVA09MS10 F.I.P, SVA09MS10 18 CMD1A374 BRACKET, FIP 19 COP12263B FRONT PCB ASSY AG-790MK2 EUR, UK C
22、OP12263D FRONT PCB ASSY AG-790MK2 USA 20 CMY1A347 HEATSINK 21 CMD1A387 BRACKET, PCB 22 PCB, FFC SUPPORT United on FRONT PCBA, see page 11 23 AMP PCB ASSY, L/R United on MAIN PCBA, see page 8 24 CLT5U038ZE TRANS, POWER AG-790MK2 EUR, UK CLT5U038ZU TRANS, POWER AG-790MK2 USA 25 POWER SECONDARY PCB ASS
23、Y United on FRONT PCBA, see page 11 26 POWER SW PCB ASSY United on FRONT PCBA, see page 11 27 POWER PRIMARY PCB ASSY United on FRONT PCBA, see page 11 28 Not in use 29 CHG1A113 RUBBER 30 CUA2A168 CHASSIS, BOTTOM 31 CKL2A042H11 FOOT, FRONT 32 CHG1A360 CUSHION, FOOT 33 CKL1A012 FOOT, RUBBER BLACK 34 C
24、NVMB114MA18L TUNER MODULE EUR, UK CNVMB014MA0J8LS TUNER MODULE USA 35 SHIELD PCB W/BN12 United on MAIN PCBA, see page 8 36 COP12264B MAIN PCB ASSY AG-790MK2 EUR, UK COP12264D MAIN PCB ASSY AG-790MK2 USA 37 CHE1A023 MOUNT, PCB 38 CMD1A392 BRACKET, PCB 39 CKF8A172Z PANEL, REAR EUR, UK CKF9A172Z PANEL,
25、 REAR USA 40 KMA2A001 TERMINAL, GROUND 41 KHR1A028 BUSHING, AC CORD 42 CJA2B043ZA CORD, POWER EUR, UK CJA523FBYA CORD, POWER USA 43 CKC1A098B25 CABINET, TOP AG-790 44 SUB TRANS PCB ASSY United on FRONT PCBA, see page 11 S1 CTW3+8JR SCREW S2 CHD1A012R SCREW, SPECIAL S3 CTB3+10JR SCREW S4 CTB3+6JR SCR
26、EW S5 CTB3+8JFZR SCREW S6 CTB3+10JFZR SCREW S7 CTB4+8FR SCREW S8 CTB4+6FFZR SCREW S9 CTW3+8J SCREW S10 CTW3+16G SCREW 8 AG-790E 4. PC BOARDS AND PARTS LISTS MAIN PCB CUP12264-1 MAIN PCB CUP12264-3A AMP PCB L SHIELD PCB W/BN12 CUP12264-3B AMP PCB R 9 MAIN PCB-A ASSY REF. NO.PARTS NO.DESCRIPTIONREMARK
27、S AG-790E COP12264B MAIN PCB ASSY AG-790MK2 EUR, UK COP12264D MAIN PCB ASSY AG-790MK2 USA CUP12264Z PCB, MAIN AG-790MK2 (330 x247 FR1/1) CUP12264-1 MAIN PCB BK41,42 CMD1A387 BRACKET, PCB BN42 CWB1C00710047 WIRE ASSY, 7 P 100 MM BLACK (RED) C264 CCEA1EH331T CAP, ELECT 330 UF/25V C403,404 CCET80VKL568
28、2NK CAP, ELECT 6800 UF/80 V C407,409,410,704 CCEA1EH101T CAP, ELECT 100 UF/25V C705 C413,414 CCEA1EH222E CAP, ELECT 2200 UF/25 V CN11 CJP17GA115ZY WAFER, CARD CABLE EUR, UK CJP15GA115ZY WAFER, CARD CABLE USA CN12 CJP04GA98ZM WAFER CN31-1,31-2 CJP14GA221ZB FEMALE HEADER, 14P 2.54 MM STRAIGHT CN43 CJP
29、03GA89ZY WAFER CN91 CJP07GI237ZW WAFER, LOCKING TYPE STRAIGHT 2.5 MM CN92 CJP21GA115ZY WAFER, CARD CABLE CN93 CJP03GI236ZW WAFER, LOCKING TYPE,STRAIGHT 2 MM D401 HVDKBU804F DIODE, BRIDGE KBU804F D403405,409,501 CVD1SS133MT DIODE, 1SS133 D406 HVDMTZJ6.2BT DIODE, ZENER MTZJ6.2B 1/2 W D701 HVDMTZJ5.1BT
30、 DIODE, ZENER MTZJ5.1B 1/2 W GND1 HJT1A025 PALTE, EARTH IC1 CVIKIA7812APIJA I.C HEAT SINK ASSY (CMY2A223) HVIKIA7812API I.C, REGULATOR KIA7812API CMY2A223 HEATSINK CTB3+8JR SCREW IC2 HVIKIA7912PI I.C, REGULATOR KIA79XXPI IC21,22 HVINJM2068MDTE1 I.C, OP AMP NJM2068MD-TE1 IC23 CVITDA7440D I.C, VOLUME
31、TDA7440D SO-28P IC24 HVICD4066BM96 I.C, SWITCH CD4066BM96 IC25 HVINJM4556AL I.C, H/P NJM4556AL JK21 CJJ4R019W TERMINAL, IN/OUT JK22 CJJ4P014W JACK, IN/OUT JK41 CJJ5Q006Z TERMINAL, SPEAKER L401,402 CLEY0R5KAK COIL, SPEAKER 0.5UH L403 HLQ02C100KT COIL, AXAIL (10UH) Q201,202,414,415 HVTKRC107MT T.R, KR
32、C107M Q416 Q203,206,411413 HVTKRA107MT T.R, KRA107M Q503 Q205,501,502,702 HVTKTC2874BT T.R, MUTE KTC2874B Q703 Q402 CVTKTC1027YT T.R, KTC1027Y Q504 HVTKTC3198YT T.R, KTC3198Y Q505 HVTKTA1268GRT T.R, KTA1268GR Q701 HVTKTA1267YT T.R, KTA1267Y R405,417,418 CRG1ANJ680H RES, METAL OXIDE FILM 68 OHM 1W J
33、RY4244 CSL3A018ZE RELAY G5PA-28-MC , DC12V S401 CST1A010Z SW, TACT TH51 CRTMM8003 POSISTOR ASSY 10 MAIN PCB-A ASSY REF. NO.PARTS NO.DESCRIPTIONREMARKS AG-790E CUP12264-3A AMP PCB L BN31A CJP14GB142ZB PIN HEADER (14PIN, 2.54 MM, ANGLE) C305A,306A CCEA2AH101E CAP, ELECT 100 UF/100 V D301A304A CVD1SS13
34、3MT DIODE, 1SS133 Q301A303A,312A HVTKTC3200GRT T.R, KTC3200GR Q304A,305A HVTKTA1024YT T.R, KTA1024Y Q306A HVTKTC3206YAT T.R, KTC3206YA Q307A HVTKTA1360Y T.R, PRE DRIVE KTA1360Y Q308A HVTKTC3423Y T.R, PRE DRIVE KTC3423Y Q309A HVTKTC3114A T.R, BIAS KTC3114A Q310A HVT2SD2560 T.R, POWER 2SD2560 Q311A HV
35、T2SB1647 T.R, POWER 2SB1647 R330A CRF5EKR27HX2K RES, CEMENT 0.27 OHM CUP12264-3B AMP PCB R BN31B CJP14GB142ZB PIN HEADER (14PIN, 2.54 MM, ANGLE) C305B,306B CCEA2AH101E CAP, ELECT 100 UF/100 V D301B304B CVD1SS133MT DIODE, 1SS133 Q301B303B,312B HVTKTC3200GRT T.R, KTC3200GR Q304B,305B HVTKTA1024YT T.R,
36、 KTA1024Y Q306B HVTKTC3206YAT T.R, KTC3206YA Q307B HVTKTA1360Y T.R, PRE DRIVE KTA1360Y Q308B HVTKTC3423Y T.R, PRE DRIVE KTC3423Y Q309B HVTKTC3114A T.R, BIAS KTC3114A Q310B HVT2SD2560 T.R, POWER 2SD2560 Q311B HVT2SB1647 T.R, POWER 2SB1647 R330B CRF5EKR27HX2K RES, CEMENT 0.27 OHM SHIELD W/BN12 PCB BN1
37、2 CJP04GB99ZM WAFER CMY1A347A HEATSINK ASSY CHD1A012R SCREW, SPECIAL CMY1A347 HEATSINK CTB3+8JR SCREW CTW3+8JR SCREW 11 AG-790E 4. PC BOARDS AND PARTS LISTS CUP12263-5 SUB TRANS PCB CUP12263-2 POWER SW PCB CUP12263-1 FRONT PCB CUP12263-6 POWER SECONDARY PCB CUP12263-7 POWER PRIMARY PCB CUP12263-4 H/
38、P PCB FFC SUPPORT PCB CUP12263-3 VOLUME ENCODER PCB FRONT PCB 12 FRONT PCB ASSY REF. NO.PARTS NO.DESCRIPTIONREMARKS AG-790E COP12263B FRONT PCB ASSY AG-790MK2 EUR, UK COP12263D FRONT PCB ASSY AG-790MK2 USA CUP12263Z PCB, FRONT AG-790MK2 (330 x247 FR1/1) CUP12263-1 FRONT VFD June 2010 A B C D E F 123
39、456789 2 WIRING DIAGRAM AG-790E AM/FM Stereo Receiver AG-790E 1 st Issue; June 2010 MAIN TRANSFORMER SUB TRANSFORMER HEATSINK (CMY1A256) CUP12263-1 CN11 CN92 (21P) CN93 CN92 (21P) FRONT PCB MAIN PCB CUP12264-1 TUNER MODULE BRIDGE DIODE MOMS S/W Power Cord CN94FFC CABLE FFC CABLE FFC CABLE (15 PIN) f
40、or Asia, USA H/P TUNER MODULE AC OUTLET CN42 AMP PCB AMP PCB BN31A BN31B CN43 BN94 CN42 BN42 C403 C404 (BD TO BD) (BD TO BD) 114 114 1 1 14 14 CN95 BN95 CN96 BN96 USA, EUR ONLY CUP12263- CN43 BN93 H/P CN91 BN91 BN43 BN41 CN41 FFC CABLE (17 PIN) for EUR CN97 FOR DOWN LOAD CUP12263-5 CUP12263-6 CUP122
41、63-2 CUP12263-4 CUP12264-3A CUP12264-3B CUP12263-7 CUP12263-3 CN31-1 CN31-2 5P5P 5P 5P 7P 7P FFC CABLE 3P 7P 7P7P 2.5mm 2mm 2mm A B C D E F 123456789 3 BLOCK DIAGRAM AG-790E AM/FM Stereo Receiver AG-790E 1 st Issue; June 2010 PHONO CD AUX TDA7440D TUNER + - RIGHT CHANNEL (SAME AS LEFT CHANNEL) SPK H
42、EADPHONE PHONO CD AUX EQ AMP TAPE IN OUT ANTENNA TUNER MODULE (AM+FM) RELAY (POWER MUTE) PROTECT (AM+FM) IN IN IN OUT +15dB DISCRETE MAIN AMP MUTE MAIN POWER TRANSFORMER PRIMARY FUSE RELAY EUR : AC230V/50Hz N L V.F.D REMOTE SENSOR U-COM +5.6V REGULATOR SUB TRANSFORMER POWER SWITCH T5CB5 LC75725 DRIV
43、E IC AC INLET VFD POWER DC-28V REGULATED +12V,-12V MAIN-AMP POWER +12V -12V +B -B REGULATED +5.6V +5.6V VOLUME TONE CONTROL +8.7dB +28dB USA : AC110V/60Hz AC3V DC-28V AC 3V Resonator 16MHz PIN 2 RESET/ Tx Rx KEY MATRIX ST+5V DATA IN CLK PLL CE TUNED TUNER MUTE RDS DATA RDS CLK DATA OUT STEREO IN VFD
44、 CE VFD DATA VFD CLK VFD BLK *CONTROL - POWER CONTROL - TUNER CONTROL - RMC DATA IN (POWER DOWN, POWER MUTE) - SPK A,B SWITCH CONTROL - TUNER Option - VFD Driver control - AUDIO MUTE +12V -12V +12V -12V +B -B +5V +5.6V +10V +12V VOLUME TREBLE BASS SPK ATT CD4066BM96 +12V OUT - SW IC (CD4066BM96) CON
45、TROL CONTROL BY U-COM R222 270 R275 2.2K A B C D E F 123456789 4 SCHEMATIC DIAGRAM AG-790E AM/FM Stereo Receiver AG-790E 1 st Issue; June 2010 MAIN Section PWR_MUTE_P ST+5.6V RESET TU_CE TU_DATA_IN TU_CLK TU_DATA_OUT PROTECT TU_TUNE_IN TU_ST_IN RDS CLK RDS DATA 7440_DATA_P 7440_CLK_P TAPE_P FUNC_MUT
46、E SP_B_P SP_A_P - + - + - + - + A(L) B(L) A(R) SPK A SPK B B(R) *IMPORTANT SAFETY NOTICE. COMPONENTS IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISTICS. IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS. USE ONLY MANUFACTUREYS SPECIFIED PARTS. *THE UNIT OF RESISTANCE IS OHM. K=1000 OHM, M=10
47、00 KOHM *THE UNIT OF CAPACITANCE IS MICROFARAD (uF) 1pF = 10 uF *THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANYTIME WITH THE IMPROVEMENT OF PERFORMANCE PHONO CD R/O P/B AUX TAPE L R L R L R L R L R 2068MDTE1 2068MDTE1 SPK ON/OFF +12V VDD(+12V) RDS_CLK RDS_DATA RESET PLL_CE GND PLL_D_IN PLL_CLK PLL_DOUT
48、R_OUT L_OUT TUNED(L) STEREO FROM AMP BOARD FROM FRONT BOARD FROM HEAD PHONE FROM POWER SEC TRANS +VCC F.MUTE F.MUTE SCK SDA TAPE(H) SP A SP B L_CH AUDIO SIGNAL FLOW R_CH AUDIO SIGNAL FLOW AMP BOARD R_OUT L_OUT +5V USA VER. / ASIA VER. 15PIN USE CN11 OPTION EUR VER. 17PIN USE TC VERSION EUR VERSION 1
49、.25 mm pitch 1.25 mm pitch 3.96mm pitch wafer 2.5mm pitch wire 16.7V -16.8V V3.21V2.9 8.8V 5.1V +5.6V 1 2 DC PROTECT REF VCC AGND TRE TRE L R RIN ROUT PHR CDR TUR AUXR PHL CDL TUL AUXL LIN LOUT RBIN RBOUT LBINLBOUT VLO VRO DG SCK SDA NC NC VDD THERMAL PROTECT (102C) POSISTOR (2006.11.29) TU_MUTE GND GND -17V +17V 16.2V 12.9V 13.5V -13.7V -VCC -VCC GND SP-OUT +VCC SP-OUT +VCC PROTET GND INPUT NC OVER CURRENT PROTECT (2009.08.13) POWER ON 5.6VA FROM