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VOX ToneLab LE
Valvetronix
SERVICE MANUAL
TABLE OF CONTENTS
ASSEMBLY SKETCH:2
BLOCK DIAGRAM:3
SCHEMATIC DIAGRAM:4-7
TEST MODE: 8-17
PARTS LIST:18-19
Issued Dec.12, 2006
Ver.1

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Summary of Contents for Vox Valveronix ToneLab LE

  • Page 1 VOX ToneLab LE Valvetronix SERVICE MANUAL TABLE OF CONTENTS ASSEMBLY SKETCH:2 BLOCK DIAGRAM:3 SCHEMATIC DIAGRAM:4-7 TEST MODE: 8-17 PARTS LIST:18-19 Issued Dec.12, 2006 Ver.1...
  • Page 8 ToneLabLE TEST MODE How to enter the TEST MODE Pressing following switches and turn the power on. “TONE LAB” and the version of the software are displayed, and after you removed fingers from the switches, each TEST MODE will begin. SWITCHES MODE Internal Check...
  • Page 9 After finished internal Check, TONELAB Le automatically goes to Operation Check. Internal Check 4. CODEC MUTE This item inspects the wiring of the CODEC and DSP (FXD03). Same setting as LEVEL Check (3.1), check input level and confirm that mute is working (there is not input bigger than noise level). Internal Check 5.
  • Page 10 3. R->R , RETURN SW Off SO[1]R (0.250(=1/4)) ---> DSP SI[1]R (0.150858 +-20%) AK5381VTPA AK4384VTP +-------+ +-------+ | Ain L | | AoutL |- - - -> PHONE L IN ------------------->| Ain R | | AoutR |-------> PHONE R +----| DoutL | | Din L |<---+ +-|----| DoutR | | Din R |<-+ | +-------+ +-------+ | | DSP(FXD03)
  • Page 11 5.When [RET RMVE] is displayed in the LCD, disconnect the plug from RETURN. 6. RET2 , RETURN SW On (internally RETURN is selected) SO[1]R (0.5001(=1/2*16)) ---> DSP SI[1]R (0.338713 +-30%) (OPEN) SEND--->RETURN AK5381VTPA AK4384VTP +-------+ +-------+ | Ain L | | AoutL |- - - -> PHONE L IN ---+--------------->| Ain R | | AoutR |------->...
  • Page 12 Operation Check 1. Pedal trimmer adjusting "PDL_CLB"(LCD) 1. EXP PEDAL trimmer adjusting 1.1 Step on the pedal to maximum. 1.2 Using a driver (not metal), adjust the trimmer volume at the rear and pedal side, until the value of lower right in the LCD display is around “110”. 1.3 Confirm that all BANK LEDs light.
  • Page 13 All LEDs light AMP/LINE All LEDs light WRITE All LEDs light RENAME All LEDs light EXIT/TUNE All LEDs light GLOBAL EDIT_PEDAL GLOBAL EDIT_AMP GLOBAL EDIT_CAB-OPTION GLOBAL EDIT_MODULATION GLOBAL EDIT_DELAY GLOBAL EDIT_REVERB GLOBAL EDIT_EXP-CTL-CHAIN GLOBAL VAULE_1(GAIN) GLOBAL VAULE_2(VR GAIN) GLOBAL VAULE_3(TREBLE) GLOBAL VAULE_4(MIDDLE) GLOBAL...
  • Page 14 *The dot of the BANK LED lights, then rotate to the next click. *After the left end click was finished, the check proceeds to the next step. 2. DELAY SELECT knob (initial display BANK LED "C2") Do the check same as the MODULATION SELECT knob. After finished, the check proceeds to the next step.
  • Page 15 2. Adjusting of the output level Adjust the trimmer volume at the rear and near the vacuum tube side until the BANK LED becomes OK (LCD: 68**-6D**), after one second the BANK LED all light. Push GLOBAL and proceed to the next step. Even if it was not OK, you can step up when the value is in the range of 46**-66**.
  • Page 16 Audio Check MODE (External check 8) This is the bypass mode which the signal of input is sent to the output (including HEAD PHONES, S/P DIF). The step is changed by CH3 and CH4. The signal route and the circuit setting are different by the step.
  • Page 17 TEST CABLE TEST CABLE 1 PHONES->INPUT Level check cable Same as the test cable 1 for AX3000G/B [PHONES](mini stereo) [INPUT](mono phone) [Same as AX3000G TEST cablel-1] PHONE R --(100Ω)--+ PHONE L --(100Ω)--+---+--> IN (TIP) (100Ω) GND ------------------+--> GND (RING) TEST CABLE 2 SEND-> RETURN Attenuate voltage of x0.56 Same cable as the TEST CABLE 2 for the AX3000G/B [SEND](phone)
  • Page 18 VOX ToneLab LE Part List Part Number Category Part Name Note Reference 510402511508 EMI/EMC PART BLM18AG102SN1 (1608) (S) KLM-2751/2752/2758 L1-L11,L14,L17,L18,L20,L21 ,L305,L306,L310 510450527001 CONNECTOR BA-20SG (20PIN SOCKET) (D) KLM-2751/2752/2758 510474520012 CONNECTOR JS-1132-03 (B3B-EH-A) (WAF)(D) KLM-2751/2752/2758 510474520019 CONNECTOR JS-1125-07 (WAF FOR VOLUME)(D)
  • Page 19 Part Number Category Part Name Note Reference 510450525014 LED Spacer LH5-7 (L=7MM) LH5-070 KLM-2753/2754/2755/2756 510450525013 LED Spacer PTLMA120BKV0 (LMA-120) KLM-2753/2754/2755/2756 510C51522753 PCB ASS'Y KLM-2753/2754/2755/2756 ASS'Y KLM-2753/2754/2755/2756 510312510501 LED 12-21UYC /S400/ TR8 (S) LED1 LED2 510335510003 CRYSTAL HC-49US 10.000MHZ SMD (S) 510320512001 RESET IC M51957AFP-CF1J TS (S) 500324043002 IC...