B53-0140-00 ( N ) 2704 Heat sink (F01-1752-01) VOLT MENU TEMP CURR Screw Screw (N07-0003-08) (N09-4214-08) POWER IN ID NUMBER TO H/U REMOTE RESET LINE IN LINE OUT Fuse (25A) (F52-0014-05) Screw set Cover (N99-1752-05) (F07-1140-12): KAC-X621 (F07-1141-12): KAC-PS621 Screw set (N99-1577-15) Accessory (W01-1606-05)
KAC-PS621/X621 MICROCOMPUTER’S TERMINAL DESCRIPTION MICROPROCESSOR : 784224YGC117 (X09 : IC6) ◊ Block Digram AMP communication I/F LX BUS I/F AMP_SCL LX_REQ_M AMP_SDA LX_REQ_S LX_DATA_M Audio control LX_DATA_S AUDIO_SCL LX_CLK AUDIO_SDA LX_RST AUDIO_MUTE HU_BU E2PROM I2C Display data monitor communication AD-I...
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KAC-PS621/X621 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Function Processing Operation Description SCL_AMP CLK input/output AMP communication AUDIO_SCL CLK input/output with audio chip AUDIO_SDA Data input/output with audio chip AUDIO_MUTE Mute output to audio chip H : Mute OFF, L : Mute ON...
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KAC-PS621/X621 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Function Processing Operation Description TEST Flash ROM writing Not used Not used VDD0 AVDD AD-I First current detection (for display) AD-V BU voltage detection (for display) 78~80 TEMP1~TEMP3 Temperature detection 1~3 ◊ Logic Table...
KAC-PS621/X621 CIRCUIT DESCRIPTION Current detection circuit VOLTAGE MPU AD-PORT LEVEL OUTPUT 0.01 0.01 Amplify and rectify potential differences at DETECTION two points in the primary-side current circuit and send it to the AD-port of the MPU and obtain data for displaying current value.
KAC-PS621/X621 PC BOARD (COMPONENT SIDE VIEW) PREAMPLIFIER UNIT X08-4150-10 (J76-0010-12) MONO R101 R102 R103 R104 R106 R105 C101 R115 C102 R114 C103 R107 R108 R111 R112 X08-4150-10 Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors.
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Q403 Q404 • DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units. KAC-PS621/X621 (1/2) X09-5770-10 A/2 (3/3)
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TP112 customer. TP113 TP114 • DC voltages are as measured TP115 with a high impedance volt- meter. Values may vary 3.5V 1.5V slightly due to variations be- tween individual instruments or/and units. ED1(SEGMENT) KAC-PS621/X621 (2/2) X08-4150-10 (2/2)
CHIP R J 1/10W W01-1606-05 ACCESSORY RK73GB2A203J CHIP R J 1/10W R39,40 RK73GB2A471J CHIP R J 1/10W E1 : KAC-PS621 K : KAC-X621 M1 : KAC-X621 Indicates safety critical components. (E : Europe K : North America M : Other Areas)
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1000PF C353,354 CK73GB1H103K CHIP C 0.010UF K C90-5588-05 ELECTRO 47UF 25WV C358 C90-5592-05 ELECTRO 10UF 35WV E1 : KAC-PS621 K : KAC-X621 M1 : KAC-X621 Indicates safety critical components. (E : Europe K : North America M : Other Areas)
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CHIP R J 1/10W RK73GB2A103J CHIP R J 1/10W R199 RK73GB2A562J CHIP R 5.6K J 1/10W E1 : KAC-PS621 K : KAC-X621 M1 : KAC-X621 Indicates safety critical components. (E : Europe K : North America M : Other Areas)
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2.2K J 1/10W D304,305 1SS355 DIODE R431 RK73GB2A473J CHIP R J 1/10W D306-308 UMZ6.8N ZENER DIODE E1 : KAC-PS621 K : KAC-X621 M1 : KAC-X621 Indicates safety critical components. (E : Europe K : North America M : Other Areas)
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TRANSISTOR Q143 2SC1845-A(F,E) TRANSISTOR Q144 2SC4081 TRANSISTOR Q145 2SA1576A TRANSISTOR Q146 2SC1845-A(F,E) TRANSISTOR Q147 2SA1576A TRANSISTOR E1 : KAC-PS621 K : KAC-X621 M1 : KAC-X621 Indicates safety critical components. (E : Europe K : North America M : Other Areas)
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KAC-PS621/X621 PARTS LIST CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc. 5 = Value...