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Zoom G2.1u Service Manual Download Page 27

Flat Cable:
2mm-pitch 5pin

Main PCB

USB PCB: 

soldered

70 mm

Flat Cable:
2mm-pitch 3pin

USB PCB

PHOTO PCB:

soldered

50 mm

B3B-PH-K-S(JST)

B3B-PH-K-S(JST)

USB PCB: 

soldered

200 mm

Main PCB

B10B-PH-K-S(JST)

Flat Cable:
2mm-pitch 7pin

ZH-0065

ZH-0067

ZH-0068

1Pin：AWG24(Red)
2Pin：AWG24(Black)

Main PCB

USB PCB: 

soldered

B2B-PH-K-S(JST)

ZH-0066

200 mm

1

1

1

1

3

5

7

2

LED PCB: 

soldered

80 mm

Main PCB

B10B-PH-K-S(JST)

Flat Cable:
2mm-pitch 7pin

ZH-0069

1

7

- 27 -

Summary of Contents for G2.1u

Page 1: ......

Page 2: ...er s Data 11 Function Test 13 Special Start up 16 Recovering the Factory Default 17 Circuit Check Specifications 18 Circuit Diagram 19 Harness 26 Device Pin Assignment 28 PCB Parts Layout and Pattern...

Page 3: ...ntegrated rhythm functions and auto chromatic tuner A number of rhythm patterns using realistic PCM drum sounds are provided This is convenient for use as a metronome during individual practice or to...

Page 4: ......

Page 5: ...Output Standard stereo phone jack doubles as line and headphone jack Maximum output level Line 5 dBm output load impedance 10 kilohms or more Phones 20 mW 20 mW into 32 ohms load Control input For FP0...

Page 6: ...2 Port ADC 11point VR Ctrl In AD0006 DC9V 300mA BTT level ROM 256k RAM 8k Foot SW Ex Pedal HPI Encoder x 3 Ex Bus 2x8 Matrix Static Read 1k x16bit Port Static Write 4 for D164 1 Power Supply Block 4...

Page 7: ...l In Digital Out 96kHz 24bit ADC DAC S N 97dB S N 100dB Output GUITAR Input 2 Analog Block 3 CPU Block 10dB 10dB USB CODEC PCM2904 48kHz 16bit ADC DAC 0dB 0dB Pre emphasis 12MHz PC USB data to USB dat...

Page 8: ...is sent to the DSP and processed there Rated input level 20 dBm Input impedance 1 megohm pre emphasis 16dB in 40kHz or higher 2 Output Output For line headphones Output load impedance For line 10 kil...

Page 9: ...tion LSB justified 3 CPU block 1 CPU uPD703015BYGC A29 8EU 32 bit processing microprocessor D163 0003 Internal ROM 128 Kbyte A D converter 10 bit resolution 8 channel Master clock 20 MHz 2 EEPROM M93C...

Page 10: ...All LEDs are lit under the control of the CPU 5 USB Power Supply block USB Power Supply USB BUS Power 5 0 USBV for the Power supply block 3 3 USBV for the USB block 5 0 VO for the USB block 6 USB bloc...

Page 11: ...mitter and OUT terminal of the receiver 3 Connect OUT terminal of the transmitter and IN terminal of the receiver 4 Connect their ground terminals on the top side of the main PCB using jumper wires Se...

Page 12: ...sh successfully and hexadecimals including two dots such as x x appears on the display This displayed x depends on User s patch conditions If E1 or E2 or E3 appear on the display these mean sending an...

Page 13: ...s 0A 09 08 07 06 05 04 03 02 01 00 display on the 7segment LED when the dial is turned anticlockwise And make sure that only 7segment LED turns on then 3 DIAL LED check Turn the GAIN dial and make sur...

Page 14: ...he FOOT SWITCH and the status of EEPROM is displayed as the following ok This indication means that default patch data in the EEPROM is correct E0 This indication means that there are some defective s...

Page 15: ...when the FS 01 is turned off 14 Battery Warning Check Set the power supply voltage to 6V Make sure that the 7segment LED is displayed as A0 then And then set the power supply voltage to 3 9V Make sur...

Page 16: ...cking software version Revision DOWN Checking software revision Play Mode Normal operation See the operation manual Initialization This startup recovers the factory default condition Refer to page 17...

Page 17: ...e operation All Initialize function If necessary back up the user s patch data Refer to page 11 12 for details of the back up 1 Turn the power on while holding the STORE key The indication AL appears...

Page 18: ...5 Noise level L 80 0dBm or less Short Insert IHF A All lit None Start up No Load R 90 0dBm or less Short Insert IHF A All lit None Start up 6 Harmonic distortion L 0 1 or less 440Hz 5dBm Delay Mode I...

Page 19: ...CODEC_PD CODEC_PD 64FS 256FS 256FS C55 0 1u RIN 1 LIN 2 VSS 3 VA 4 VD 5 DEM0 6 DEM1 7 LRCK 10 MCLK 11 BCLK 12 PDN 13 VCOM 14 LOUT 15 ROUT 16 SDTO 8 SDTI 9 IC15 AK4552VT 2 3 1 J3 SJ6336 2 1 4 J2 SJ6335...

Page 20: ...0 SCAN1 1 5 2 3 4 8 7 6 RA2 47k 4 1 5 2 3 4 8 7 6 RA1 47k 4 3 3VD C19 0 1u R30 1k C12 0 01u AVSS L1 0 ohm R54 1k R53 470k R52 10k C15 0 1u 2 1 3 D1 1SS226 OPEN L3 0 ohm FOOT SW EX PEDAL L2 0 ohm R51 3...

Page 21: ...VCCQ 44 I O12 45 I O13 46 GNDQ 47 I O14 48 I O15 49 GND 50 IC3 IS42S16100C1 7TL R78 0 R77 0 DSP_R W DSP_HDS DSP_HAS DSP_R W DSP_RDY DSP_RDY TP2 DSP_TX DSP_TX DSPA 2 13 DSPA13 C75 470p GPIO6 1 GPIO4 2...

Page 22: ...W9 1104RTA 2 TYPE TYPE STORE RHYTHM TAP UP DOWN 2dp 9 1A 16 1B 15 com1 14 com2 13 2F 12 1E 1 1D 2 1C 3 1dp 4 2E 5 2D 6 2G 7 2A 11 2C 8 2B 10 1A 1D 1B 1C 1F 1E 1dp 1G 1G 17 1F 18 2A 2D 2B 2C 2F 2E 2dp...

Page 23: ...04 110k AVDD R403 110k R406 10K AVDD R407 10K AVSS 1 2 3 CN400B ZH 0065 3Pin 2mmPich L 50mm 1 2 3 CN400A PH 3A 2mmP PHOTO 5 6 7 IC400B NJM2100M C400 open c PEDAL C401 OPEN C 1 2 3 4 5 CN3B ZH 0067 5Pi...

Page 24: ...110 470u 16V C65 0 1u C62 0 1u L8 0 ohm C114 open c C89 100u 16V R34 1k L12 open R55 100 C81 10u 16V BTT_LVL C70 open c C69 open c 2 3 1 J6 SK22H09 G9 EXT2 10 GND 9 PWM1 4 EN1 5 FB1 3 VDD 2 EXT1 1 FB2...

Page 25: ...0 VCCP2I 19 AGNDP 18 VCCP1I 17 VOURL 16 VOUTR 15 D 1 D 2 VBUS 3 DGNDU 4 HID0 5 HID1 6 HID2 7 SEL0 8 SEL1 9 VCCCI 10 AGNDC 11 VINL 12 VINR 13 VCOM 14 IC502 PCM2904DBR R503 1 5k 3 3V C516 0 1u C518 0 1u...

Page 26: ...in Pannel PCB FMN Connectpor DIP type 11311220 134200000 DNS B3B PH K S JST B3B PH K S JST 7Segment PCB soldered 80 mm Main PCB B10B PH K S JST Flat Cable 2mm pitch 10pin ZH 0060 ZH 0061 ZH 0062 ZH 00...

Page 27: ...B PH K S JST B3B PH K S JST USB PCB soldered 200 mm Main PCB B10B PH K S JST Flat Cable 2mm pitch 7pin ZH 0065 ZH 0067 ZH 0068 1Pin AWG24 Red 2Pin AWG24 Black Main PCB USB PCB soldered B2B PH K S JST...

Page 28: ...2 D1 D0 VSS EMU1 OFF EMU0 TDO VSS TDI TRST TCK TMS RESET 162 HPIENA 163 HD7 164 CVDD 165 HD6 166 HD5 167 DVDD 168 HD4 169 HD3 170 CVDD 171 HD2 172 HD1 173 VSS 174 HD0 175 GPIO7 176 P21 SO2 1 P22 SCK2...

Page 29: ...RJLF 2dp 9 1A 16 1B 15 com1 14 com2 13 2F 12 1E 1 1D 2 1C 3 1dp 4 2E 5 2D 6 2G 7 2A 11 2C 8 2B 10 1A 1D 1B 1C 1F 1E 1dp 1G 1G 17 1F 18 2A 2D 2B 2C 2F 2E 2dp 2G VHJPHQW LQGZLQ 3 3 6 25 A B C D E F G dp...

Page 30: ...2 7 EN1 EN2 6 RQYHUWHU 5 725 3 0623 3 2 1 4 5 7UDQVLVWRU 216 0 081 7 6 7 7 52 0 7 6 7 0 0 176 QILQHRQ 313 6 4 7UDQVLVWRU QILQHRQ 131 6 4 4 4 4 LRGH 52 0 66 7 3LWFK PP 5 7521 1 3LFWK PP KLS 6KRWWN LRGH...

Page 31: ...ip LED Kindwin SUNR 063 1608 LED400 LED405 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 D D VBUS DGNDU HID0 HID1 HID2 SEL0 SEL1 VCCCI AGNDC VINL VINR VCOM SSPND VDDI DGND...

Page 32: ......

Page 33: ......

Page 34: ...PCB 5157 34 Top Layer Bottom Layer Top Layer PCB 5158 Bottom Layer...

Page 35: ......

Page 36: ...OVER Z2B 0167 1 23 BATTERY SPRING Z2A 0082 1 24 BATTERY SPRING Z2A 0083 1 25 BATTERY SPRING Z2A 0084 1 26 G2 1u LED LENS A Z2B 0179 6 27 G2 1u LED LENS HOLDER Z2B 0180 1 28 BATTERY CUSHIION Z2E 0190 2...

Page 37: ...uctor L4 L5 L6 L9 L12 0 27 OPEN Unmounting OPEN C D 4 0mm H 7 0 11 5mm Pitch 5mm C69 C70 C108 C114 0 28 Capacitor 0 1u 50V D 4 0mm H 7 0 11 5mm Pitch 5mm C83 1 29 Capacitor 2 2u 50V D 4 0mm H 7 0 11 5...

Page 38: ...9A 0 87 Connector PH10A 10pin To 7seg PCB CN8A 1 JS1125 10 10pin To 7seg PCB CN8A 0 B10B PH K S 10pin To 7seg PCB CN8A 0 88 Connector PH 3A 3pin To VOL PCB SW PCB CN2A CN7A 2 JS1125 3 3pin To VOL PCB...

Page 39: ...25V 1608 0603 C522 C523 2 15 Chip Capacitor 47p J CH 25V 1608 0603 C510 C527 2 16 Chip Capacitor 1000p K B 25V 1608 0603 C503 C514 2 17 Chip Capacitor 1500p K B 25V 1608 0603 C508 C526 2 18 Chip Capac...

Page 40: ...SPRING Z2A 0083 SWIC F d 0 7mm 24 Same as G2 1 25 BATTERY SPRING Z2A 0084 SWIC F d 0 7mm 25 Same as G2 1 26 G2 1u LED LENS A Z2B 0179 ABS CLEAR 26 6 27 G2 1u LED LENS HOLDER Z2B 0180 ABS BLACK 27 1 28...

Page 41: ...RB160L 40TE25 5 150 OSCILLATOR SP02041 Ceramic Oscillator EFOMC2005T4 1 SP02042 Crystal Oscillator HC49U S 24 576MHz 1 INDUCTOR SP02043 Chip Inductor LQH43CN220K03 1 SP01762 Chip Inductor BLM18AG102S...

Page 42: ...5 FET NTGS3441T1 1 OSCILLATOR Crystal Oscillator HC49 S3 12MHz 1 SWITCH SP01949 Tact SW 1104RTA 2 10 100 OTHER PARTS USB Connector 57112201 2110000 1 SP02006 Connector PH 3A Same as JS 1125 3 1 30 Har...

Page 43: ...02066 BATTERY CASE Z2B 0166 1 SP02067 BATTERY CASE COVER Z2B 0167 1 SP02068 BATTERY CUSHION Z2E 0190 1 D164 LED LENS A Z2B 0179 1 D164 LED LENS HOLDER Z2B 0180 1 D164 PHOTO SPACER Z2E 0204 1 CAP Z2B 0...

Page 44: ...Qty SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP Memo Company Signature Name ZOOM CORPORATION 2F ITOHPIA IWAMOTO CHO 2 CHOME BLDG 2 11 2 Iwamoto cho Chiyod...

Page 45: ...CB Main PCB is common use for other production Therefore this main PCB has check box to identify which production will be used for See below figure it shows check box location on the main PCB As of Se...

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