Teac-AGH300MKlll-rec-sm维修电路原理图.pdf

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1、RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 SERVICE MANUAL PIN No.SYMBOLI/ODESCRIPTION 1 2 3 4 5 6 79 10 11 12 13 14 15 16 1721 22 23 24 25 26 27 2829 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 5161 6282 8385 86 87 88 89 90 91 92 93 94 95100 Vdd NC Func, Mute NC NC NC Func, I

2、ndicator NC RDS-DATA FM-L RDS-CLK Stereo-IN Tuned-IN Protect-IN Key Input Vss Vass Varef Vdd Back-up Vss Func, Up/Down Vss XIN XOUT RESET Remote-In BUS OUT BUS IN SPK ON/OFF NC -20dB Mute NC PLL CE PLL DATA PLL CLK Option NC STB CLK DATA NC Vkk FIP GRID FIP ANODE Option Option Option Option Standby

3、VOL OP VOL DOWN VOL LED Power ON/Off Standby LED NC I - O - - - O - I I I I I I I - - - - I - I - I O I I O I O - O - O O O O - O O O - - O O O O O O O O O O O O +5V NO Connection Function Mute ON/OFF Output No Connection Function LED Drive Data Output No connection RDS DATA Output FM/AM Switching O

4、utput RDS CLOCK input Stereo Display input Tuned Display input Protection input Resistor Divide Key Control Input GND GND Vdd(+5V) +5V Backup Mode control GND Function UP/DOWN INput GND Crstal element Connection Terminal Crstal element Connection Terminal RESET Input Remote Control Data Input System

5、 Control Signal Output System Control Signal Input Speker ON/OFF Output NO Connection -20dB Mute Output No Connection PLL Serial Chip Enable Output PLL Serial Data Output PLL Serial CLOCK Output Amp/Receiver Option No Connection Function IC Signal Output Function IC Signal Output Function IC Signal

6、Output No Connection VFLP (-33V) FIP GRID Output FIP ANODE Output Region Option Display Option RDS ON/OFF Option Model Option Standby/ Direct Option Output VOL UP VOL DOWN VOL LED Display Power ON/OFF Output Standby LED ON/OFF Output No Connection IC FUNCTION (Micom BVITMP87PM78F) 63 4 4 5 5 6 6 7 7

7、 8 8 9 MAIN PCBA 9 MAIN PCBA 10 FRONT PCBA 11 IN PUT PCBA 11 12 12 13 AG-H300mk 13 86745231 E D C B A SCHEMATIC DIAGRAMAG-H300 AM/FM STEREO RECEIVER AG-H300AG-H300 1 st Issue; June 2001 INSTRUCTIONS FOR SERVICE PERSONNEL BEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE- CURRENT OR RESISTANCE

8、 MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT. NOTES: 1. Resistor values are in ohms (k=kilo-ohms, M=megohms). 2. Capacitor values are in microfarads (p=picofarads). 3. Parts marked with this sign are safety critical components. They must always be re

9、placed with identical components-refer to the appropriate parts list and ensure exact replacement. 注 意 1. 抵抗単位 （，） 。 2. 単位 （） 。 3. 部品安全規格重要部品。 交換必指定部品使用。 14 AG-H300mk AG-H300mk 14 86745231 E D C B A SCHEMATIC DIAGRAMAG-H300 AM/FM STEREO RECEIVER AG-H300AG-H300 1 st Issue; June 2001 INSTRUCTIONS FOR

10、SERVICE PERSONNEL BEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE- CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT. NOTES: 1. Resistor values are in ohms (k=kilo-ohms, M=megohms). 2. Capacitor values are in microfarads (p=picofarads). 3. Parts marked with this sign are safety critical components. They must always be replaced with identical components-refer to the appropriate parts list and ensure exact replacement. 注 意 1. 抵抗単位 （，） 。 2. 単位 （） 。 3. 部品安全規格重要部品。 交換必指定部品使用。 15 AG-H300mk 15 AG-H300mk