Kenwood KIV-700, Руководство по обслуживанию

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KIV-700/BT900
Ref. No. Application / Function Operation / Condition / Compatibility
IC303 Mute Logic Controls logic for muting.
IC304 Reset Logic Logic for reset (SRC/MENU/AUDIO).
IC451 E-VOL & Source Selector Controls the source and volume.
IC500 RDS Decoder RDBS and RDS decoder.
IC551 Level Shift (5V
→
3.3V) Level shift for X17-unit. (Controls IC302)
IC552 Level Shift (3.3V
→
5V) Level shift for X17-unit. (Controls IC302)
IC600 BT Buffer Buffer for Bluetooth.
IC700 D3.3V Power Supply Power supply for D3.3V to X17-unit (USB/PANEL) and BT module.
IC701 AV Selector Audio (USB/i-Pod) and video (i-Pod) input selector and rear monitor output buffer.
Q10~12 AUD8V AVR When Q11’s base goes on, A8V AVR outputs 8.0V.
Q32,33 BU5V AVR While the back-up is applied, BU5V AVR o5V.
Q50~53 B When Q53’s base goes on, AVR outputs 10.5V.
Q80~83 4V-PRE+B When Q83’s base goes on, 4V-PRE+B outputs (~12V).
Q90 BU DET SW When the base goes on, the back-up voltage is detected.
Q92 ACC DET SW When the base goes on, ACC voltage is detected.
Q93 Surge DET SW When the base goes on, surge voltage is detected.
Q110,111 P-CON Output SW When Q110’s base goes on, 14V is output.
Q112 P-CON & ANT-CON Current Limiter
The circuit is protected because Q112 operates when P-CON output current is excessive.
Q113 P-CON Output SW When Q110’s base goes on, 14V is output.
Q114,115 ANT-CON (Power Antenna) SW
When Q115's base goes on, power antenna SW outputs 14V.
*Necessary to turn on P-CON.
Q130 Car Light DET SW When the base goes on, car light is detected.
Q170 Bluetooth Module Reset When the base goes on, BT module reset is ON.
Q366 Level Shift Level shift for USB audio mute.
Q440,442,450
Q451,460,462
Pre-out Mute SW When the base goes on, pre-out is muted.
Q441,461 Pre-out Mute Driver When the base goes on, mute driver is turned on.
Q480,481 AM+B SW When Q480's base goes on, AM+B is output.
Q602 IC302 Reset Control When the base goes on, IC302 is reset.
Q702 Control OSC FREQ of IC700 When the base goes on, oscillation frequency is high.
Q703 Rear-Monitor-Out (Audio) Mute Driver When the base goes on, rear-monitor-out (audio) mute SW turns on.
Q704,705 Rear-Monitor-Out (Audio) Mute SW When the base goes on, rear-monitor-out (audio) is muted.
Q706 Parking Brake DET SW When the parking brake is detected, the base goes on.
COMPONENTS DESCRIPTION