Preset area: 10 patches x 4 banks = 40
Total 80 patches
Sampling frequency96 kHz
A/D converter24 bit, 128 times oversampling
D/A converter24 bit, 128 times oversampling
Signal processing32 bit
Frequency response20 Hz – 40 kHz +1.0 dB – 4.0 dB (10kilohms load)
Display2-digit 7-segment LED
InputStandard mono phone jack
Rated input level-20 dBm
Input impedance470 kilohms
OutputStandard stereo phone jack (doubles as line/headphone
jack)
Maximum output levelLine +3 dBm (output load impedance of 10 kilohms or
more)
Phones 20mW + 20mW (into 32ohms load)
Power requirements
AC adapter9 V DC, 300 mA (center minus plug) (ZOOM
Dimensions155 mm (D) x 234 mm (W) x 52 mm (H)
Weight600 g (without batteries)
• 0 dBm = 0.775 Vrms
• Design and specifications subject to change without notice.
- 3 -
Page 4
FunctionTest
Starting in “Test mode”
1) Start up the G1X in the following ways using the AC adaptor AD-0006.
a) Connect AC adaptor holding the [BANK UP・TAP] key (SW1) and [RHYTHM] key (SW2).
b) Connect AC adaptor when Ground and the test point TP1.
*When set 4 batteries, connect the plug into INPUT connector (J2)
2) All the LEDs of 7 segment LED will be lit.
1. Display (7 segment LED)
1) Make sure that all LEDs are lit brightly enough (indicate “8.8.”) after power on in “Test mode”.
2) Press any key and make sure that all LEDs will be turned off.
2. Module selector
1) Turn the Module selector (VR1) clockwise to “DECAY”.
2) Turn the Module selector (VR1) anticlockwise by one detent.
Make sure that the following indications appear on the 7 segment LED.
Module selector7 segment LED
DECAY15
REVERB14
TIME13
DELAY12
RATE11
MODULATION10
ZNR/AMP9
EQ_Hi8
EQ_Mid7
EQ_Lo6
GAIN5
DRIVE4
COMP/EFX3
PATCH LEVEL2
RHYTHM1
PLAY0
3) Turn the Module selector (VR1) clockwise by one detent.
Make sure that the above values are indicated on the 7 segment LED depending on the
Module selector position.
Like figure 1 of the following page, make sure that replaced by right numerical value
at a click point and intermediate between click point.
In a range of the same click point, numerical value replaced is NG.
- 4 -
Page 5
Inspection judgment standard of 16 click setting.
3. Knob
①③⑤~⑮⑰⑲
※A value changes in
a range of arrow
0->1、2->1
13->14、15->14
Attention at the time
of setting
↓
It must
consciously setting
that center of
allowance.
allowance
⑨
⑩
⑧
78
⑦
6
5
⑥
4
②④⑯⑱
※It is NG that a
value changes in a
3
⑤
2
It is OK to change with a
dark color.
③
There is a change in
a click
(allowance)=
NG
It is OK to change with a
dark color.
Figure 1.16 clicks value confirmation position
1
0
①
click.
④
②
⑱
⑯
⑪
9
15
10
14
11
⑫
⑬
⑭
12
⑮
13
⑰
⑲
Turn the [VALUE] knob (SW6) and 7 segment LED indicates “00–FF”.
Make sure that indication smoothly changes in the range of “00-FF” and the value
changes 1 step by 1 detent.
4. Flash ROM
Press the [BANK UP・TAP] key (SW1).
Make sure that “ok” appears on the 7 segment LED.
If any error occurs, “nG” is indicated on the 7 segment LED.
5. Product number
1) Press the FOOT SWITCH [^] (SW5).
Make sure that “GP” is indicated on the 7 segment LED.
2) Press the FOOT SWITCH [^] (SW5) again.
i) Serial No. 000001 - 022150
Make sure that “87” or “11” are indicated on the 7 segment LED.
ii) Serial No. 022151 –
Make sure that “d2” is indicated on the 7 segment LED.
- 5 -
Page 6
6. PEDAL ASSIGN check
Press the PEDAL ASSIGN key, and make sure that the 7segment LED is displayed [SL].
And make sure that the PEDAL ASSIGN LED turns on in the order of “VOL ->WAH
-> DRY ->MOD ->DLY ->REV -> turns off”, whenever the key is pressed.
7. EX Pedal
The 7segment LED is displayed EX PEDAL’s AD value if the PEDAL is moved.
Make sure that this EX PEDAL’s AD value is the same as below table.
Expression pedalValues
MIN(raise)09 - 29
MAX(down)30 - 80
Pushed all the way
Make sure that difference between MIN and MAX is 20 or more in hex and this value doesn’t
decrease if EX PEDAL is pressed down.
Make sure that all PEDAL ASSIGN LEDs are blinking by pressing down the
EX PEDAL stronger.
[VOLUME] LED blinking
8. Through sound
Input sine wave (440Hz, -20dBm) to the [INPUT] jack (J2) and monitor the output from
the [OUTPUT] jack (J4) with loudspeakers and oscilloscope.
Make sure that the sounds from both channel of [OUTPUT] jack (J4) are at the same
volume, without any noise and improper sound.
If “Mt” or “dL” is indicated on the 7 segment LED, press any key among [BANK UP
・TAP] key (SW1), [STORE] (SW3) and FOOT SWITCH [^] (SW5). Then make sure
that indication is changes to other.
9. SRAM (Delay sound)
1) Press [RHYTHM] (SW2) key and display indicates “dL”.
2) Input sine wave (440Hz, -20dBm) to the [INPUT] jack (J2) and monitor the output
from the [OUTPUT] jack (J4) with loudspeakers and oscilloscope.
Make sure that the normal signal is output from Rch and the delayed signal is output
from the Lch of [OUTPUT] jack (J4) when “dL” is constantly indicated.
10. DSP mute
1) Press FOOT SWITCH [v] (SW4) and display indicates “Mt”.
2) Input sine wave (440Hz, -20dBm) to the [INPUT] jack (J2) and monitor the output
from the [OUTPUT] jack (J4) with loudspeakers and oscilloscope.
Make sure that there is no output when “Mt” is constantly indicated.
- 6 -
Page 7
11. Restoring Factory Defaults
1) Power on in normal mode.
If 7segment LED doesn't blink “AL", power on pressing the "STORE" key.
Note) If someone make the operation below, after that 7segment LED never show "AL"
2) Make sure that display blinks “AL”
3) Press [STORE] key (SW3) and display indicates “ok”.
4) The units automatically reboot in normal mode.
12. Sound check 1
1) Connect AC adaptor and the unit’s power on.
2) Make sure that display indicates [A0].
3) Press the FOOT SWITCH [^] (SW5) two times and make sure that display changes
to [A2].
4) Input sine wave (440Hz, -20dBm).
5) Monitor output sound by speaker or oscilloscope and make sure the points below.
Output sound is distorted.
Sound doesn’t include abnormal noise, and this sound isn’t abnormal sound.
6) Make sure that frequency of 1 Octave change by moving the EX-PEDAL.
13. Sound check 2
1) Press the FOOT SWITCH [v] (SW4) and make sure that display changes to [A1].
2) Input sine wave (440Hz, -20dBm)
3) Monitor output sound by speaker or oscilloscope and make sure the points below.
Output sound is modulated.
Sound doesn’t include abnormal noise, and this sound isn’t abnormal sound.
4) Add mechanical shock to the units a few times and make sure there are no any
problem like noise or sound stop.
- 7 -
Page 8
14. Battery
1) Disconnect AC adaptor and set the power supply voltage to 6.0 V.
2) Make sure that “A0” is indicated on the 7 segment LED.
3) Set the power supply voltage to 3.7 V.
Make sure that the indication “bt” appears on the 7 segment LED.
4) Set the power supply voltage to 4.6 V.
Make sure that the 7 segment LED indication returns to the previous state.
15. Stability
Put the G1X on a surface plate, and push it diagonally.
Make sure that there is no remarkable space (less than ±0.3 mm is acceptable).
- 8 -
Page 9
Back Up User’s Data
If necessary, back up the user’s effect patch data to avoid an accidental erasing.
Required
· User’s G1X as a transmitter (hereinafter referred to as “the transmitter”)
· Another G1X as a receiver (hereinafter referred to as “the receiver”)
· Jumper wires
1. Remove the bottom plate.
2. Connect “IN” terminal of the transmitter 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 (See
below).
TransmitterReceiver
Main PCB top sideMain PCB top side
5. Turn on the power of both transmitter and receiver while holding the [STORE] (SW3) and
the [BANK UP・TAP] (SW1) keys.
Make sure that the both 7segment LED lit "tr".
- 9 -
Page 10
6. Press the [BANK UP・TAP] key (SW1) of the receiver, and make sure that the 7 segment
LED lit “rx”. The receiver is ready to receive the data.
7. Press the [Rhythm] key (SW2) of the transmitter and make sure that the 7 segment LED
lit “tx”. The indication flashes on and off at once. And the transmitter starts to send the
data. When sending and receiving finish successfully, and make sure that Transmitter
and Receiver’s both 7 segment LED are displayed same check-sum.
8. Turn the both transmitter and receiver off.
9. Take the wires away and attach the bottom plate.
- 10 -
Page 11
Recovering the Factory Default
In the factory default condition, the patches of the user area (A0-d9) contain the same settings as the
patches of the preset area (00-39).
Even after overwriting the user patches, their original content can be restored in a single operation
(“All Initialize” function).
If necessary, back up the user’s patch data. Refer to page 9, 10 for details of the back up.
1. Turn the power on while holding the [STORE] key (SW3).
The indication “AL” appears on the display.
2. To carry out the All Initialize function, press the [STORE] key (SW3) once more.
All patch settings are returned to the factory default condition, and the unit switches to
play mode. To cancel All Initialize, press the[RHYTHM] key (SW2) instead of the [STORE] key
(SW3).
- 11 -
Page 12
Special function start up
1. Special function and how to start up
There are some methods to start up the G1X for service.
All special functions start up the G1X in the following ways using the AC adaptor AD-0006 or
connecting the plug into INPUT connector (J2) when set the battery.
Turn on the G1X holding the key in the following table.
See the following table about Special function.
Function
Test mode
16 click adjustSTORE + RHYTHM
Back up user’s data
ALL Initialization
Pedal calibrationPEDAL ASSIGN
Pre-selectUP ([^])
RevisionRHYTHM + DOWN ([v])
Version
RHYTHM + BANK UP・TAP
Keys held down
STORE + BANK UP・TAP
BANK UP・TAP+ UP([^])
2.Details of special function
●Test mode
This startup is used for the function Test.
Refer to page 4.
●16 click adjust
Adjust the threshold of 16 click vol. (from 0 click to 15 click)
1) Start up holding the [STORE] key (SW3) and [RHYTHM] key (SW2).
Make sure “1” appears on the 7 segment LED.
STORE
2) Turn the Module selector (VR1) clockwise by one detent.
Press the [STORE] key (SW3).*Refer to the figure below.
Make sure “2” appears on the 7 segment LED.
3) Turn the Module selector (VR1) clockwise by one detent.
Press the [STORE] key (SW3).
Repeat this sequence to “DECAY”.
(When “PATCH LEVEL”, 7 segment LED is displayed “3”.
When “COMP/EFX”, 7 segment LED is displayed “4”.
.
.
.
When “REVERB”, press the [STORE] key (SW3), 7 segment LED is displayed “15”.)
Make sure “-14” appears on the 7 segment LED.
4) Turn the Module selector (VR1) anticlockwise by one detent.
Press the [STORE] key (SW3).
Make sure “-13” appears on the 7 segment LED.
- 12 -
Page 13
5) Turn the Module selector (VR1) anticlockwise by one detent.
Press the [STORE] key (SW3).
Repeat this sequence to “PLAY”.
( When “TIME”, 7 segment LED is displayed “-12”.
When “DELAY”, 7 segment LED is displayed “-11”.
.
.
.
When “RHYTHM”, 7 segment LED is displayed “0”. )
Make sure “ok” appears on the 7 segment LED.
6) Make sure that the following indications appear on the 7 segment LED.
When the 7 segment LED is correctly displayed, Restart the G1X by press the [BANK
UP・TAP] key (SW1).
Module selector7 segment LED
PLAY0
RHYTHM1
PATCH LEVEL2
COMP/EFX3
DRIVE4
GAIN5
EQ Lo6
EQ Mid7
EQ Hi8
ZNR/AMP9
MODULATION10
RATE11
DELAY12
TIME13
REVERB14
DECAY15
Inspection judgment standard of 16 click setting.
①③⑤~⑮⑰⑲
※A value changes in
a range of arrow
⑥
0->1、2->1
13->14、15->14
Attention at the time
of setting
↓
It must
consciously setting
that center of
allowance.
allowance
It is OK to change with a
dark color.
There is a change in
a click
(allowance)=
NG
It is OK to change with a
dark color.
⑤
⑦
③
- 13 -
①
⑨
⑧
6
5
4
3
④
2
1
0
⑩
78
②④⑯⑱
※It is NG that a
value changes in a
click.
②
⑱
⑯
15
⑪
9
10
14
11
13
⑫
⑬
⑭
12
⑮
⑰
⑲
Page 14
●ALL Initialization
This startup recovers the factory default condition.
Refer to page 10.
●Pedal calibration
Used to readjust the expression pedal operation.
Refer to page 26 of the G1/G1X operation manual.
●Pre-select
See the Operation Manual.
●Back up user’s data
This startup is used for back up user’s data.
Refer to page 8.
●Version
The 7 segment LED is displayed system version of the G1.
* It is displayed in four digits.
1) Start up holding the [BANK UP・TAP] key (SW1) and
the FOOT SWITCH [^] (SW5).
Make sure “00” appears on the 7 segment LED.
2) Press the FOOT SWITCH [^](SW5) or [v] (SW4).
i) Serial No. 000001 - 022150
Make sure “10” appears on the 7 segment LED.
ii) Serial No. 022151 –
Make sure “12” appears on the 7 segment LED.
3) Restart the G1X by press the FOOT SWITCH [^] (SW5) or [v] (SW4) again.
●Revision
The 7 segment LED is displayed system revision of the G1.
* It is displayed in four digits.
1) Start up holding the [RHYTHM] key (SW2) and
the FOOT SWITCH [v] (SW4).
Make sure “00” appears on the 7 segment LED.
2) Press the FOOT SWITCH [^] (SW5) or [v] (SW4).
i) Serial No. 000001 - 022150
Make sure “46” appears on the 7 segment LED.
ii) Serial No. 022151 –
Make sure “48” appears on the 7 segment LED.
3) Restart the G1X by press the FOOT SWITCH [^] (SW5) or [v] (SW4) again.
- 14 -
Page 15
Circuit Check Specifications
No.Items
1Current consumption125mA±20mAShortImmediatelyafter Test mode starts All LEDs are lit.All litNone (Startup)
1 G1X Gift BoxZ2F-0050corrugated cardboard.Printing color : 4C1
G1 AC Adapter SpacerZ2F-0057corrugated cardboard, A3b, T=3mmPrinting color : Black1
2 G1X MASTER Carton BoxZ2F-0051double wall corrugated cardboard.Printing color : Black0.1
3 Poly Bag for Unit257X364mm (B4 size)1
4 Poly Bag for Manual200X300mm (for A5 size)1
5 Serial Label for Carton BoxZ2E-01920.1
6 Serial Label for UnitZ2E-01932
7 G1X JAN Bar-Code LabelZ8F-0093-A4for CM0
G1X JAN Bar-Code LabelZ8F-0093-A4 for120US2.1
G1X JAN Bar-Code LabelZ8F-0093-A4 for120GL0
G1X JAN Bar-Code LabelZ8F-0093-A4 for220BX0
G1X JAN Bar-Code LabelZ8F-0093-A4 for240UK0
8 G1X USA Bar-Code Label for Gift BoxA781
G1X USA Bar-Code Label for Carton BoxA780.1
9 FCC LabelZ2I-0729Aluminum label1
10 Destination LabelZ2E-0194for CM0
Destination LabelZ2E-0194 for 120US0.2
Destination LabelZ2E-0194 for 120GL0
Destination LabelZ2E-0194 for 220BX0
Destination LabelZ2E-0194 for 240UK0
11 G1/G1X Operation ManualG1/G1X-5010-1
12 G1/G1X Operation ManualG1/G1X-5000-1paper of fine quality A5 28pageENGLISH1
13 G1/G1X Operation ManualG1/G1X-5002-1paper of fine quality A5 28pageGERMAN0
14 G1/G1X Operation ManualG1/G1X-5003-1paper of fine quality A5 28pageFRENCH0
15 G1/G1X Operation ManualG1/G1X-5004-1paper of fine quality A5 28pageITALIAN0
16 G1/G1X Operation ManualG1/G1X-5005-1paper of fine quality A5 28page
17 G1/G1X Operation ManualG1/G1X-5006-1paper of fine quality A5 28page
18 G1/G1X Operation ManualG1/G1X-5007-1paper of fine quality A5 28pageCHINESE0
19 Warranty Card USZ2I-0730Stamp: nonefor US1
20 G1/G1X Patch List SheetZ2I-0725
21 G1X Logo Label for UnitZ2E-0220Aluminum label1
22 G1/G1X Display signal chart sheetZ2I-0726Film-coatedpaper Both side printing1
23 AC Adaptor
24 AC AdaptorAD-0006E for 220BXwith gift boxSuppliedby ZOOM0
25 AC AdaptorAD-0006F for 240UKwith gift boxSuppliedby ZOOM0
26 ZOOMLogo TapeZ2E-02180.005
AD-0006D for 120US and
120GL
paper of fine quality, A5 28page,
Warranty Card JP sticks on a back cover.
1 G1X Gift BoxZ2F-0050corrugated cardboard.Printing color : 4C1
G1 AC Adapter SpacerZ2F-0057corrugated cardboard, A3b, T=3mmPrinting color : Black1
2 G1X MASTER Carton BoxZ2F-0051double wall corrugated cardboard.Printing color : Black0.1
3 Poly Bag for Unit257X364mm (B4 size)1
4 Poly Bag for Manual200X300mm (for A5 size)1
5 Serial Label for Carton BoxZ2E-01920.1
6 Serial Label for UnitZ2E-01932
7 G1X JAN Bar-Code LabelZ8F-0093-A4for CM0
G1X JAN Bar-Code LabelZ8F-0093-A4 for120US2.1
G1X JAN Bar-Code LabelZ8F-0093-A4 for120GL0
G1X JAN Bar-Code LabelZ8F-0093-A4 for220BX0
G1X JAN Bar-Code LabelZ8F-0093-A4 for240UK0
8 G1X USA Bar-Code Label for Gift BoxA781
G1X USA Bar-Code Label for Carton BoxA780.1
9 FCC LabelZ2I-0729Aluminum label1
10 Destination LabelZ2E-0194for CM0
Destination LabelZ2E-0194 for 120US0.2
Destination LabelZ2E-0194 for 120GL0
Destination LabelZ2E-0194 for 220BX0
Destination LabelZ2E-0194 for 240UK0
11 G1/G1X Operation ManualG1/G1X-5010-1
12 G1/G1X Operation ManualG1/G1X-5000-1paper of fine quality A5 28pageENGLISH1
13 G1/G1X Operation ManualG1/G1X-5002-1paper of fine quality A5 28pageGERMAN0
14 G1/G1X Operation ManualG1/G1X-5003-1paper of fine quality A5 28pageFRENCH0
15 G1/G1X Operation ManualG1/G1X-5004-1paper of fine quality A5 28pageITALIAN0
16 G1/G1X Operation ManualG1/G1X-5005-1paper of fine quality A5 28page
17 G1/G1X Operation ManualG1/G1X-5006-1paper of fine quality A5 28page
18 G1/G1X Operation ManualG1/G1X-5007-1paper of fine quality A5 28pageCHINESE0
19 Warranty Card USZ2I-0730Stamp: nonefor US1
20 G1/G1X Patch List SheetZ2I-0725
21 G1X Logo Label for UnitZ2E-0220Aluminum label1
22 G1/G1X Display signal chart sheetZ2I-0726Film-coatedpaper Both side printing1
23 AC Adaptor
24 AC AdaptorAD-0006E for 220BXwith gift boxSuppliedby ZOOM0
25 AC AdaptorAD-0006F for 240UKwith gift boxSuppliedby ZOOM0
26 ZOOMLogo TapeZ2E-02180.005
AD-0006D for 120US and
120GL
paper of fine quality, A5 28page,
Warranty Card JP sticks on a back cover.
2F, ITOHPIA IWAMOTO-CHO 2-CHOME BLDG.
2-11-2, Iwamoto-cho, Chiyoda-Ku, Tokyo
101-0032,Japan
PHONE: +81-3-5835-2200(MAIN)
FAX: +81-3-5835-2201
Web Site: http://www.zoom.co.jp
- 30 -
Page 31
Supplement: Identification of main PCB
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.
Bottom Layer
Check box on the main PCB
- 31 -
Page 32
before No.022150
after No.022151
Supplement : The major difference between
before No.022150 and after No.022151
Page
5
14
14
20, 21
24, 27
ContentsItem
Function test5.Product number"87" or "11""d2"
Special start upVersion1012
Special start upRevision4648
Exploded view
Partslist
Mechanical parts No.34Refrect rubberOptical interception cover
No.37Refrect rubberOptical interception cover
- 32 -
Page 33
G1X Service Manual Change History
DatePageChange
22 Jun 200728-29Complete price list
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