Service Manual
Page 17
... Q600 OP AMP IC600 5 INPUT+ OUTPUT 7 SIGNAL PATH : AUDIO MUTE Q207 51 /LINE-MUTE DAMP-CLK /DAMP-RESET NO USE /SD-SLOW RESONANCE D1403 D1435 HCD-SH2000 LOW SPEAKER IMPEDANCE USE 4ȍ 2 INA- AMP Section - AOUT 1 PREAMP IC1403 5 INB+ BOUT 7 BUFFER IC1410 5 7 3 1 2 INA- BLOCK DIAGRAM - AOUT 1 ...DC PROTECTION Q1449 DC PROTECTION Q1448 13V M101 DC FAN G (Page 18) 26 70 69 71 SYSTEM CONTROLLER IC100 (3/4) E (Page 16) FAN MOTOR DRIVE Q1451, Q1441, Q1439, Q1458, Q1453, Q1476 DAMP FAN M102 DC FAN 75 FAN LOCK DETECT Q1447 SMPS FAN FAN-EN 60 /FAN-LOCK 61 HCD-SH2000 17...
... Q600 OP AMP IC600 5 INPUT+ OUTPUT 7 SIGNAL PATH : AUDIO MUTE Q207 51 /LINE-MUTE DAMP-CLK /DAMP-RESET NO USE /SD-SLOW RESONANCE D1403 D1435 HCD-SH2000 LOW SPEAKER IMPEDANCE USE 4ȍ 2 INA- AMP Section - AOUT 1 PREAMP IC1403 5 INB+ BOUT 7 BUFFER IC1410 5 7 3 1 2 INA- BLOCK DIAGRAM - AOUT 1 ...DC PROTECTION Q1449 DC PROTECTION Q1448 13V M101 DC FAN G (Page 18) 26 70 69 71 SYSTEM CONTROLLER IC100 (3/4) E (Page 16) FAN MOTOR DRIVE Q1451, Q1441, Q1439, Q1458, Q1453, Q1476 DAMP FAN M102 DC FAN 75 FAN LOCK DETECT Q1447 SMPS FAN FAN-EN 60 /FAN-LOCK 61 HCD-SH2000 17...
Service Manual
Page 59
INPUT A+ INPUT V- GND 59 HCD-SH2000 IC1406, IC1407, IC1408, IC1409 IRS2092STRPBF (DAMP BOARD (2/4)) VAA 1 GND 2 IN- 3 COMP 4 6V 6V FLOATING INPUT CLICK NOISE ELLIMINATION UV DETECT OTA VAA+VSS 2 COMP HIGH ... HIGH SIDE 5V REG HV LEVEL SHIFT UV DETECT 20.4V 16 CSH 15 VB 14 HO 13 VS 12 VCC CSD 5 CHARGE/ DISCHARGE VSS 6 PROTECTION CONTROL HV LEVEL SHIFT HV LEVEL SHIFT DEAD TIME SD DT 11 LO 20.4V LOW SIDE CS 10 COM 9 DT 8 OCSET 7 VREF IC1410, IC1411...
INPUT A+ INPUT V- GND 59 HCD-SH2000 IC1406, IC1407, IC1408, IC1409 IRS2092STRPBF (DAMP BOARD (2/4)) VAA 1 GND 2 IN- 3 COMP 4 6V 6V FLOATING INPUT CLICK NOISE ELLIMINATION UV DETECT OTA VAA+VSS 2 COMP HIGH ... HIGH SIDE 5V REG HV LEVEL SHIFT UV DETECT 20.4V 16 CSH 15 VB 14 HO 13 VS 12 VCC CSD 5 CHARGE/ DISCHARGE VSS 6 PROTECTION CONTROL HV LEVEL SHIFT HV LEVEL SHIFT DEAD TIME SD DT 11 LO 20.4V LOW SIDE CS 10 COM 9 DT 8 OCSET 7 VREF IC1410, IC1411...
Service Manual
Page 62
... ' Unused Unused Resonance Protection Detection Pin Unused DSP IC: Data signal for IIC communcation DSP IC: Clock signal for A/D conversion) USB B BLUE LED Control Pin. "H": LED on Unused Unused Main power on/off control signal output "H":power on power supply Pin. HCD-SH2000 Pin No. 52 53...O SPK-L-LED-BLUE O SPK-R-LED-RED O SPK-R-LED-BLUE O NO-USE O NO-USE O SUB-ON O PCONT-SUB O FAN-EN O /FANBLOCK I AVCC - "L": Protect on' Protection Detect on 13.5V & 7V Power Switch Control pin. NO-USE O NO-USE O MIC-DATA-IN I AD-KEY-0 I NO-USE O /DAMP-RESET O /SD-SLOW...
... ' Unused Unused Resonance Protection Detection Pin Unused DSP IC: Data signal for IIC communcation DSP IC: Clock signal for A/D conversion) USB B BLUE LED Control Pin. "H": LED on Unused Unused Main power on/off control signal output "H":power on power supply Pin. HCD-SH2000 Pin No. 52 53...O SPK-L-LED-BLUE O SPK-R-LED-RED O SPK-R-LED-BLUE O NO-USE O NO-USE O SUB-ON O PCONT-SUB O FAN-EN O /FANBLOCK I AVCC - "L": Protect on' Protection Detect on 13.5V & 7V Power Switch Control pin. NO-USE O NO-USE O MIC-DATA-IN I AD-KEY-0 I NO-USE O /DAMP-RESET O /SD-SLOW...
