|
Who's Online
There currently are 6043 guests online.
|
Categories
|
Information
|
Featured Product
|
|
|
|
|
There are currently no product reviews.
;
Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this receiver.
;
Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this tuner.
;
I have this hi-fi system for a long time and I need to repair some things. Founding this manual will be very helpfull :)
;
It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
;
Very fast service, best quality of the service manual and the schematics
IC, RS21501
Pin No. 1 2 3-7 8, 9 10 11 12 13, 14 15 16 17 18 19 20 21, 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Pin Name DVDD DVCC D4-D0 DRXIF1, DRXIF0 DCLK/2 CMD2 DGND CMD1, CMD0 T/R
___________
I/O � � I/O O O I � I I I I I � � � � � I � I � � I I � O � I/O I/O � I � � � I I O � � � O Bias. Voltage detection input. Analog ground. Power supply for digital block. Power supply for analog block.
Description
Digital input/output terminals D4 to D0. Received data output. 9.6 MHz output. Command input 2. Digital ground. Command input 1, 0. Send/reception selection. Standby. Sleep. TCXO 19.2 MHz input. NC. Analog ground. Power supply for analog block. Analog ground. Power supply for analog block. Reception's second IF signal input (+). Analog ground. Reception's second IF signal input (-). Gain adjustment.
STBY
______________
SLEEP REF IN AFC OUT AGND AVCC AGND AVCC RX2NDP AGND RX2NDN LNAB LNA RBIAS VSENSE AGND IFRX AGND RFI/O+ RFI/OAVCC TXIF_IN AGND OSC_OUT AGND TANK VCO_IN PD_OUT AVCC AGND AVCC TXIF_OUT
Reception's second IF signal output. (to 10.75 MHz band-pass filter). Analog ground. First IF signal input/output. (+). First IF signal input/output. (-). Power supply for analog block. Transmitter's second IF signal input. Analog ground. NC. (No connection). Analog ground. Tank circuit from second station. Input from second station. Phase comparator output from 2nd station. Power supply for analog block. Analog ground. Power supply for analog block. Transmitter's second IF signal output. (to 10.75 MHz band pass filter).
22
|
|
|
> |
|