CASIO EV-2500C/I/N ( KX-618C/I/N )
1. Reception channels TV— EV-2500C/N : VHF: 2 ~ 12 ch UHF: 21 ~ 69 ch
EV-2500I : VHF: A ~ H2 ch UHF: 21 ~ 69 ch
RADIO— FM: 88~108 MHz AM: 530~1710 KHz
2. Power voltage DC 6.0 V
3. Power consumption Approx. 3.5 W
4. Current consumption Approx. 580 mA
5. Battery life (with alkaline batteries) Approx. 11 hours
6. Power supply Batteries : 3 D size batteries
Car adaptor : CA-K65
AC adaptor : AD-K65, 64
7. Connection terminals Earphone jack : 3.5ø mini
External power jack : 6.0 V DC IN
External antennea jack : 3.5ø mini
Audio / Video jack : 3.5ø
8. Screen size 2.5 inches
9. No. of picture element 61,380 (220 ´ 279) dots
10. Dimensions 115 (W) ´ 61.7 (D) ´ 112 (H) mm
4 1/2 (W) ´ 2 2/5 (D) ´ 4 2/5 (H)
11. Weight 360 g excepting batteries
12.7 oz excepting batteries
12. Options AC adaptor : AD-K65,64
12. Options Car adaptor : CA-K65
RF connector : CF-13
Antenna matching device : AS-35S
1 — Color tuner: TU200 TEPU5-02
Selects a desired radio wave and changes it to the video IF signal.
2 — Video IF amp.: Q200 2SC4238
Amplifies the video IF signal output from tuner TU200 by 10 times (20 dB).
3 — Video det./Sound det./FM det./AFT/AGC: IC200 M51348FP
Eliminates the carrier wave in the video IF signal, and picks up the video signal and the sound IF signal.
Also, the sound signal is picked up from the sound IF signal by FM detection.
4 — Audio amp.: IC600 NJM2070M
Sound amplification.
5 — Chroma circuit: IC300 IR3P90Y
Generates the tricolor (red, green, and blue) from the video signal.
6 — Display control/Auto-tuning control: IC700 MSM6770GS
Controls the display.
7 — Tuning voltage generator: IC270 BA10358F
Generates the tuning voltage with the tuning pulse output from 6.
ADJUSTMENT CASIO KX-618C TV Service Menu
Items to Be Adjusted
Item Measuring Instrument
VCC2-1 voltage setting Voltmeter
Video detection coil adjustment TV signal generator, pattern generator, oscilloscope,
low-pass filter
AFT coil adjustment Sweep generator, oscilloscope, voltmeter
Contrast adjustment TV signal generator, pattern generator, oscilloscope
Tint adjustment TV signal generator, pattern generator, oscilloscope
AGC adjustment TV signal generator, pattern generator, IF levelmeter
Vcom adjustment Photo diode, photo sensor amp., bandpass filter, oscilloscope
Free-Running frequency adjustment Frequency counter
No way to enter service menu factory mode it was default Operating System to Load at Startup
CASIO KX-618C TV Service Menu
Universal Remote - Service Mode - TV Factory menu codes
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Author : Meilyn, Ricky and Akzai Rajali
Editor : Denny Wowor