|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
Yes, cost is low. And quality of some diagrams is low too.
 ;
Quick response.
Good quality.
Not large price of documents.
Thanks.
Dzięki.
;
All ok:
Good quality.
Quick response.
Not large price of documents.
Thanks
;
The manual was complete and extremely helpful in both diagnosing the problem I was having as well as fixing it. Excellent quality. I will getting additional manuals in the future.
;
Exactly the JVC service manual and schematics that I was looking for - delivered just hours after order. Will do business again!
KRC-709,779R/RY,889
MICROCOMPUTER'S TERMINAL DESCRIPTION
UPD703033GC050 (IC1: X14)
SYSTEM MICROCOMPUTER
Pin 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Name F-REEL N.C SRM-DET NOISE S-METER R-DATA R-QUAL IFC-OUT MUSIC PACK-DET DOLBY R-CLK CH-REQC KEY REQ N.C EQ-MUTE MTL BU-DET CH-DATAC CH-DATAH CH-CLK L DATAL L DATAS L CLK N.C I/O I I I I I I I I I I O I I I I O O I I O I/O I I/O I/O O Purpose Cassette mechanism reel pulse input (FWD). No connection. SRM mechanism detection. FM noise detection terminal. Signal meter detection terminal. RDS decoder DATA input terminal. RDS decoder QUAL input terminal. F/E IFC OUT input terminal. Music blank detection input. Cassette mechanism pack detection terminal. Dolby ON/OFF switching. RDS decoder CLK input terminal. Request input from CH. Communication request from LCD driver. No connection. EQ muting switching. NORMAL/METAL switching. Momentary power down detection terminal. DATA input terminal from CH. DATA output terminal to CH. CLOCK input/output terminal from/to CH. DATA line from LCD driver. DATA line to LCD driver. CLK line to LCD driver. Outputs Low. No connection. Operation Description Vth = 2.5 V. Connected to GND. SRM mechanism detected: L. Model without RDS: Connected to GND. Model without RDS and RBDS: Connected to GND. Model without RDS and RBDS: Connected to GND. Station detected: L. Music signal detected: L. Music signal not detected: H. Cassette pack detected: L. Cassette pack not detected: H. ON: H. OFF: L. Model without RDS and RBDS: Connected to GND. ON: L. Connected to GND. During TAPE PLAY: L. During TAPE FF/REW: H. Other than TAPE input: H. NORMAL: H. METAL: L. Back-Up detected: L. Back-Up not detected (momentary power down): H.
6
|
|
|
> |
|
