Infinity Kappa Series Service Manual
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Infinity Kappa Series Service Manual

1500w peak (480w rms) high performance class-d 4-channel 2-ohm stable amplifier with bluetooth and clari-fi technology
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1500W Peak (480W RMS) High Performance Kappa Series Class-D
4-Channel 2-Ohm Stable Amplifier with Bluetooth and Clari-Fi Technology
Released by Global Quality SL
K4
SERVICE MANUAL
CONTENTS
Safety Instruction, Warning & Notes
Specifications
Set Block Diagram
Schematic Diagrams
Layout Diagrams
Set Mechanical Exploded View
Packaging View
Spare Parts List
Revision List
Infinity Systems, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
2
5
7
8
26
28
29
30
32
Rev 1.3
02/2017

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Summary of Contents for Infinity Kappa Series

  • Page 1 1500W Peak (480W RMS) High Performance Kappa Series Class-D 4-Channel 2-Ohm Stable Amplifier with Bluetooth and Clari-Fi Technology SERVICE MANUAL CONTENTS Safety Instruction, Warning & Notes Specifications Set Block Diagram Schematic Diagrams Layout Diagrams Set Mechanical Exploded View Packaging View...

  • Page 2: Important Safety Instructions

    Important Safety Instructions 1. Read these instructions. CAUTION 2. Keep these instructions. 3. Heed all warnings. RISK OF ELECTRIC SHOCK. DO NOT OPEN. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with a dry cloth. 7.
  • Page 3 Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damage caused by static electricity. 1.

  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakage current tester between the earth ground and all exposed metal parts of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.).
  • Page 5 Each model in the lineup will accept both high-level or low-level inputs, allowing the Party Mode wireless pairing Infinity amplifiers to be added to virtually any car audio system, including factory installed Cabin-mounted control panel systems. The 2-, 4- and 5-channel amplifiers offer Bluetooth audio streaming, exclusive ®...

  • Page 6: What's In The Box

    KAPPA AMPLIFIERS World’s first Amplifiers with Clari-fi Technology Product specifications: High Performance 2-Channel Full Range Car Audio Power Amplifier Max Power: 700W Peak Power Output, 4Ω: 100Wrms x 2, <0.1% THD+N Power Output, 2Ω: 120Wrms x 2, <0.1% THD+N Power Output, 4Ω Bridged: 240Wrms x 1, <0.3% THD+N Signal-to-Noise Ratio: >75dB (ref 1W output @ 4Ω) Bluetooth Audio Streaming...
  • Page 7 K4 Block Diagram K4 Block Diagram Audio Signal: MCU UART Power Signal: oscillator Control Signal: BM153 MCLK Analog for Speech upgrade I2S  for Music LINE OUTPUT LINE OUTPUT GAIN WM8281 GAIN GAIN HI*4 MCU UART ADC*4  FOR LCD control control  STM32F103C8 STM32F103C8 128K (105 ) 4 Channel  Audio  Crossover expander  DET (6V) DET (6V) Audio DET...
  • Page 8 GTR-104/K4 PRE CROSSOVER FROM DSP OUT R146 C132 +12V 100P C133 C130 R140 106P R142 R145 8.2K ADAS_OUT_FL C134 C135 -12V +12V ADC_LED_FL1 -12V U103B +12V C23N R147 DSP_OUT_FL U122A R149 R144 SW3A C131 R141 VR101A 0.8VAC 110103000062 LPF1 U121B 106P 8.2K C100K...
  • Page 9 GTR-104/K4 ADAS INPUT 102P R182 C168 102P ADAS_FL 020133000027 121103000003 C165 R177 101P R180 R183 AD FL+ AD3.3V 8.2K TO MCU GPIO AD FL- 475P U117B ADAS_FL JRC4580 R176 U116D AD FR+ ADAS_FR C167 225P ADAS_DET R181 R184 U116C AD FR- R178 ADAS_RL U117A...
  • Page 10 GTR-104/K4 BT 4.7R USB_DN USB- BT+3.3V BT+3.3V USB_DP USB+ US B 脚位反，电路已改 2015-01-22 BT+3.3V 4.7R 103P 106P ESD2 BT_RESET 104P ESD2 BT+3.3V 104P 121103000297 C38H 102P 100K ESD24 BT_UART_RX 18KV 105P BT_UART_TX BT_UART_RX BT_UART_TX R32B ANT1 4.7K BM153-32 BT_DSP_LRCLK AD1/2VCC-1 BLRF ①...
  • Page 11 GTR-104/K4 MCU 030123000113 060103000991 CIF1ADDR CIF1SCLK CIF1SCLK 104P +5V-2 RST(CIF1RST) +5VB 1.8V MCU+3.3V MCU+3.3V LDOENA LDOENA ④ PAGE 5/19 C47M C24H LDOENA CIF1MOSI CIF1MOSI ④ 47uF/6.3V 475P 104P C30M FLASH_CS CIF1ADDR CIF1ADDR 盒子功能按健 220uF/6.3V CIF1SCLK PAGE 15/19 CIF1MISO CIF1MISO 226P/6.3V C40M 104P FLASH_SCL...
  • Page 12 GTR-104/K4 ADC_LED DET R169 R165 +12V R162 ⑦ R168 2SC1815 R114 ② 1.2K ④ -12V FL_DSP_INN R161 ADC_LED_FL1 C151 R167 R164 R166 ① 2SA1015 BT LED-40 R163 C109 ⑤ PRE_OL 3.9K ADC_LED_FL R113 225P U111A U112A BT LED R43N TL074 +12V AD1/2VCC MCU+3.3V...
  • Page 13 CONNECT PRE-AMP TO AMP AGND BT_AL_P ③ BT_AR_P BT_AL_N BT_AR_N AGND AGND POWER LED POWER LED APJ1A WM8281-MODULE Clari-Fi LED Clari-Fi LED PRE( 前级 ) 同 AMP( 功放 板 ) 连接 (APJ2B) Party Mode LED Party Mode LED ⑦ BT LED BT LED PRE (前级)同AMP(功放板)连接(APJ2AB) AGND...
  • Page 14 K4 LED CIRCUIT DIAGRAM R10A 680R 680R 680R 680R 680R 680R 680R 680R 680R 680R LED1A LED2A LED3A LED4A LED5A LED6A LED7A LED8A C10A LED9A C11A LED10A CON01 -1dB -3dB -6dB -9dB -12dB -15dB -20dB -25dB -35dB LED_DI/O LED_CLK LED_STB C102 030123000115 C103...

  • Page 15: Amp Block

    AMP BLOCK GTR-104 amplifier GTR-104 Connent amp GTR-104 amplifier.sch GTR-104 Connent amp.sch GTR-104 input +VCC FL_IN1 GTR-104 input.sch -VCC FR_IN1 +12V RL_IN1 MCU_SP REM -12V RR_IN1 PRE_OL FL_IN1 PROT LED PRE_OR FR_IN1 PROT3 +12V RL_IN1 +5VB -12V RR_IN1 PROT_85C RCA-PRO PROT1 PROT_2 +1.8V...
  • Page 16 AMPLIFIER +12VC +VCC C16A R16A +12VC +VCC 221P 47K/J 4.7R R16H C16B C42B C42A 221P 47K/J 4.7R 104P 104P 10uF16V 3.3K BAS316 +5V1 BAS316 FL_IN1 10uF16V 3.3K R89A +5V1 R15A FR_IN1 MUR120 FDD390N15A R89B 270R 102P MUR120 4.7R 226P/6.3V FDD390N15A R15B 4.12K 102P...
  • Page 17 CONNECT (AMP) Party Mode LED BT LED AUTO OFF AUTO OFF Clari-Fi LED PAGE 14/19 PROT LED PROT LED POWER LED PROT LED PROT3 PROT3 PAGE 16/19 PROT_85C PROT_85C PRE( AMP( (APJ2AB) 前级 同 功放板 连接 PROT_2 PROT_2 PROT_2 ③ PAGE 7/19 PROT_85C ③...
  • Page 18 INPUT R319 -1.8V -12V-1 C106 +1.8V +12V-1 X100 R520 +12V-1 C102 C105 -12V-1 -1.8V +1.8V to 6/8 R19N D104 C213 120203000085 R120 106P R105 R108 4.7R 1.8V 105P L100D C316 D100 R17N X101 BAV99 C19N 4.7R 030503000004 C101 C214 C118 D103 R104 R122...

  • Page 19: Power Drive

    U+12V POWER DRIVE 106P PROT_2 PROT_2 PROT3 PROT3 PROT_85C PROT_85C +12V-1 +12V-1 PAGE 17/19 PROT4 PROT4 FUSED2 PROT LED PROT LED PAGE 17/19 REM-1 TL494 FUSED1 FUSED1 R45P C80P 226P 105P PAGE 13/19 Q43P BCX52-16 MCU_SP REM MCU_SP REM PAGE 4/19 R68P 4.7R AUX +12V...

  • Page 20: Power Supply

    POWER SUPPLY C10H C108P C107P C11H C105P C106P 103P C12H 101P 101P +BATT D27P BAS316 3300uF/25V ESD23 18KV 120103000002 030123000148 C3P FUSED1 +VCC RS1M RS1M C61H RS1M 020513000385 020513000385 FUSED1 C11N 030703000096 R23P R40P D26P 106P/25V C29H D24P 3.3K BAS316 C73P 106P 474P...
  • Page 21 PROT D45P BAS316 R87P 82K PROT3 FR OUTPUT Q29P R88P 82K D46P FL OUTPUT 2SC1815 BAS316 D44P BAS316 R89P 82K R92P RL OUTPUT R90P 82K PROT1 RR OUTPUT D41P R98P R91P BAS316 R119P 4.7K C75P Q28P R101P 2SC1815 C45P C74P 106P 2SC1815 22U/16V...
  • Page 22 DSP Main GTR DSP2 GTR DSP2.sch GTR DSP1 GTR DSP1.sch 1.8V 3.3V DSP Connect DSP Connect.Sch...
  • Page 23 DSP-2 DCVDD LDOVDD VDD_1V8 AVDD_1V8 DBVDD1 WM8281_CSP138 DBVDD1 DGND DBVDD2 DGND DBVDD3 DGND DGND DCVDD DCVDD SUBGND SUBGND AVDD1 AVDD2 AGND1 CPVDD AGND2 LDOVDD CPGND MICVDD SPKVDDL TES2 SPKVDDL SPKGNDL SPKVDDR SPKGNDL 2014-12-15 2014-12-15 SPKVDDR SPKGNDR SPKGNDR LDOVOUT LDOVOUT CP1VOUT1P CP1VOUT1P CP1VOUT1N CP1VOUT1N...
  • Page 24 DSP-1 ② RST(CIF1RST) RESET GPSWA AIF3BCLK AIF3BCLK 3.3V LDOENA LDOENA GPSWB AIF3LRCLK AIF3LRCLK ③ TRST TRST SPKTST1 SPKTST2 AIF3RXDAT AIF3RXDAT 4.7K 4.7K RST(CIF1RST) CIF1MODE CIF1MODE ② CIF1ADDR CIF1ADDR/CIF1SS LDOENA BT_DSP_LRCLK BT_DSP_LRCLK ② CIF1SCLK CIF1SCLK CIF1MISO/GPIO4 CIF1MISO ① CIF1MODE BT_DSP_BCLK BT_DSP_BCLK CIF1MOSI CIF1SDA/CIF1MOSI BT_DSP_DAO...
  • Page 25 DSP-3 BT_AR_N RST(CIF1RST) APJ1BA BT_AR_P LDOENA BT_DSP_LRCLK BT_DSP_LRCLK BT_AL_P CIF1MISO BT_DSP_BCLK BT_DSP_BCLK BT_AL_N APJ1BB CIF1MODE BT_DSP_DAO BT_DSP_DAO RR_DSP_INN CIF1ADDR LDOENA LDOENA RR_DSP_INP CIF1MISO CIF1MISO BT_DSP_BCLK RL_DSP_INN BT_DSP_LRCLK CIF1MOSI CIF1MOSI RL_DSP_INP BT_DSP_DAO CIF1SCLK CIF1SCLK FL_DSP_INN CIF1MOSI CIF1ADDR CIF1ADDR FL_DSP_INP CIF1SCLK RST(CIF1RST) RST(CIF1RST) FR_DSP_INP 3.3V...
  • Page 28 K4 MECHANICAL EXPLODED VIEW Pos. No. P/N Description ZS0201000071 DECORATIVE SHEET 211.3*92*12.4 K4 XG0201100209 BOTTOM PLATE K4 MK0201200455 FUSE COVE 2P K4 SG0101100056 RCA SOCKET 6P K4/K5 SG0101000059 4PIN SPK JACK K4/K5 SG0101000058 3PIN POWER SOCKET K4 88FA03200405 PRE-AMP PCBA K4 88MA03200786 AMP PCBA K4...
  • Page 29 K4 PACKAGING VIEW (PICTURES REFER TO GTR-102) Pos. No. P/N Description MP0501000123 BOTTOM LABEL PC 81*54*0.35mm K4 CH0102000623 GIFT BOX L485*W229*H102mm K4 LS0201000323 SCREW 55.8*4MM, 140203000050 FUSE 30A 32V UL K2/K4/K5 121103000099 RCA JACK 1PIN OK40000F0003 CONTROL BOX ASSY K2/K4/K5...
  • Page 30 K4 SPARE PARTS LIST Product SAP name(SKU) SAP Description Location Usage Name 10703000358 POTENTIOMETER B10K ±10% K4 VR100 VR102 10703000359 POTENTIOMETER C100K ±10% K2/K4/K5 VR101 VR103 40403000040 BRIDGE F16A20CT 16A 200V K2/K4/K5 D15P 40403000041 BRIDGE F16C20CT 16A 200V K2/K4/K5 D14P ESD23 ESD23_1 ESD24 K2/K4/K5 40703000001...
  • Page 31 K4/K5 SG0101100056 RCA SOCKET 6P K4/K5 K4/K5 SG0101000059 4PIN SPK JACK K4/K5 SG0101000058 3PIN POWER SOCKET K4 88FA03200405 PRE-AMP PCBA K4 88MA03200786 AMP PCBA K4 MP0501000123 BOTTOM LABEL PC 81*54*0.35mm K4 OK40000F0003 CONTROL BOX ASSY K2/K4/K5 CH0102000624 GIFT BOX K4 K4/K5 88MP03000057 DSP PCBA K4/K5...

  • Page 32: Revision List

    Revision List Version 1.0 Initial Release Version 1.1 Correction to Gift Box P/N. Version 1.2 Delete Pre-amp Board on Mech. Exploded View and Parts List. Version 1.3 Add REM Connector in Parts List.

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