Kenwood KVT-915DVD Service Manual

Also see for KVT-915DVD: Instruction manual Service manual Instruction manual

Contents

14KVT-915DVD,925DVD,935DVDKVT-945DVD,965DVD● Graphic Control Microprocessor : HD6417706F120D (X14 : IC506)Pin No. Name I/O Description / Processing Operation1 Vcc-RTC - AVR for RTC (1.9V)2 XTAL2 O NC3 EXTAL2 - NC4 Vss-RTC - GND5~10 GD31~GD26 I/O DATA bus11 VssQ - GND12 GD25 I/O DATA bus13 VccQ - AVR FOR I/O (3.3V)14~18 GD24~GD20 I/O DATA bus19 Vss - GND20 GD19 I/O DATA bus21 Vcc - Inside AVR (1.9V)22~24 GD18~GD16 I/O DATA bus25 VssQ - GND26 GD15 I/O DATA bus27 VccQ - AVR FOR I/O (3.3V)28~36 GD14~GD6 I/O DATA bus37 VssQ - GND38 GD5 I/O DATA bus39 VccQ - AVR FOR I/O (3.3V)40~45 GD4~GD0 I/O DATA bus46~48 GA1~GD3 O Address bus49 VssQ - GND50 GA4 O Address bus51 VccQ - AVR FOR I/O (3.3V)52~60 GA5~GA13 O Address bus61 VssQ - GND62 GA14 O Address bus63 VccQ - AVR FOR I/O (3.3V)64~70 GA15~GA21 O Address bus71 Vss - GND72 GA22 O Address bus73 Vcc - Inside AVR (1.9V)74~76 GA23~GA25 O Address bus77 GBS O Started bus cycle signal78 GRD O Read strobe79 GWE0/DQMLL O D7~D0 select signal / DQM (SDRAM)80 GWE1/DQMLU O D15~D8 select signal / DQM (SDRAM)81 GWE2/DQMUL O D23~D16 select signal / DQM (SDRAM)82 GWE3/DQMUU O D31~D24 select signal / DQM (SDRAM)83 GRDWR O Read write control terminal84 VssQ - GNDMICROCOMPUTER’S TERMINAL DESCRIPTIONwww . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299