KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD BLOCK DIAGRAM 3 7 63 1515 0 VIDEO CONTROL UNIT VIDEO CONTROL UNIT (X14- ) CN204 X35 I/F CONNECTOR IC205 MOTOR to X14 MCU to X14 MCU SRM MO21 DRIVER SRM MO22 MEC SW MODE1,2,3 LB1836 RSENS HPOSI1,2,3,4...
KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD BLOCK DIAGRAM 3 7 63 1515 0 VIDEO UNIT VIDEO UNIT (X35-4280-01) VR/VG/VB CN301 CN503 PON+5.0V P ON+5.0V PON-12.0V P ON+5.0V VGL-12.0V PON+3.3V VGND VGND V GND STV1 V GND STV1 USPD IC101 SW+18.5V OPEN U/D(UPSD) PON-12.0V D GND NGOE3 PON+18.5V...
KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref No. Application / Functions Operation / Condition / Compatibility Q100~102 Power control for DC/DC converter Q103 For P_ON+14V driver Q104 Reduced voltage detector ON/OFF switch Q105 Driver For +14V driver...
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref No. Application / Functions Operation / Condition / Compatibility Charge-pump Charge-pump for Audio±9V IC10 Microprocessor System control for X25 unit IC13 Reset IC Microprocessor reset to reduced voltage for BU line...
KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref No. Application / Functions Operation / Condition / Compatibility ANT CON switch Buffer amp Video buffer P CON switch Q15,16 Protection P CON protection P CON switch ANT COM switch For A9V output CHROMA 8.5V output...
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref No. Application / Functions Operation / Condition / Compatibility Dimmer SW On and off is carried out with the control of PWM signal, and dimmer for LCD back light Q2,3...
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Name Description / Processing Operation EXTAL Ext. clock input terminal / X’tal oscillator terminal SH_SREQ Request to data transmission for main microprocessor SH_MREQ Request to data transmission from main microprocessor...
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Name Description / Processing Operation CONT Contrast adjustment control terminal Avcc AVR for analog (3.3V) AVss System Microprocessor : 703030BYGF-M12 (X25 : IC10) Pin No. Name Description / Processing Operation...
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Name Description / Processing Operation VDD (BU5V) CLKOUT TV-SDA IIC data for TV front-end unit TV-SCL IIC clock for TV front-end unit VHF low band demodulator LC selector (H : VHF low band for France, L : Other)
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Name Description / Processing Operation NOISE2 Noise amp (For D port) NOISE FM noise detect input terminal S-METER FM S-meter input terminal FC-OUT Seek stop detector R-DATA RDS data input terminal...
KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD TEST MODE 3 7 63 1515 0 • Security code writing (E, W type only)* How to enter the test mode You must adjustment for * mark function when you repaired While pressing and holding the Eject key and SRC key, reset for IC200 (X14-947 : Video control unit).
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD TEST MODE 3 7 63 1515 0 Test mode Main Key touch position correction adjustment for the Touch panel Infomation SOURCE Adjust to 3-point position on the touch panel. The unit come to adjustment is complete when you can get EEPROM OK...
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD TEST MODE 3 7 63 1515 0 4) Writing NG screen 3) HPOSI adjustment Key specification CANCEL EEPROM Write << >> Step value NEXT • Key specification You can try again adjustment when if appears on EEPROM write NG.
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD TEST MODE 3 7 63 1515 0 6) Writing NG screen Writing Serial number data screen Serial data writing for each unit. Return 1) Serial number input screen Serial No. EEPROM Write Cancel ---- OK ! You can try again adjustment when if appears on EEPROM write NG.
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD TEST MODE 3 7 63 1515 0 Source screen Security code writing (E, W type only) Operate similarly to normal mode. Security code writing for the unit that control for pair with se- But change to Test Mode Main screen when press to setup rial number.
Writing serial number (for 8 digit) the unit that compatible DVD audio format. All digit data is writing for the unit. Kenwood serial number is 2 type of specifications detail is fol- lowing as. Writing serial number (for 14 digit) Lower 8 digit data is writing for the unit.
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD ADJUSTMENT 3 7 63 1515 0 Item Adjustment method / Adjustment value Conditions 3-3. GAMMER0 1. Connect the oscilloscope to TP272 between GND line. • Input : AV1 VR408 (X14-947) 2. Adjust GAMMER0 (VR408) so that 5th step from the pedestal is 1.3V±0.05V.
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD ADJUSTMENT 3 7 63 1515 0 Item Adjustment method / Adjustment value Conditions 3-8. R sub 1. Connect the oscilloscope to TP272 and TP272 between GND line. • Input : AV1 CONTRAST 2. Adjust R sub CONTRAST (VR402) so that VR and VG 10step signal is same level •...
KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD ADJUSTMENT 3 7 63 1515 0 TUNER UNIT Adjustment (X86-367 K, R type) Item Adjustment method / Adjustment value Conditions 1. Video detection 1. Turn VR103 [RF-AGC] fully to clockwise. • No ANT signal coil L103 2. Apply approximately DC 2.0V to TP [IF AGC] (IC101 36pin).
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∗ R13 1K ANTIN R12 1K 0.01 15kHz 12 13 KVT-915DVD/925DVD/935DVD/945DVD/965DVD (4/4) u163 TEST MODE • DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units. X86-367x-xx (2/2)
KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD SPECIFICATIONS 3 7 63 1515 0 TV Section KVT-915DVD (K, R type) Color TV Broadcasting system Monitor Section North American Type ............NTSC Picture size ..........6.95 inches (diagonal) wide South American Type ..........NTSC/PAL-M 154.1 W x 87.1 H (mm) Receivable channels: VHF .............
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KVT-915DVD,925DVD,935DVD KVT-945DVD,965DVD SPECIFICATIONS 3 7 63 1515 0 TV Section KVT-925DVD (E, W type) Color TV Broadcasting system ........PAL/SECAM Monitor Section Receivable channels: PAL-B/G ......2~12ch, A~H2ch Picture size .............. 6.95 inches wide Receivable channels: PAL-I ..........A~Jch 154.1 W x 87.1 H (mm) Receivable channels: SECAM-L .........