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This service manual helped me to repair my PIONEER. Iam very satisfied, that I found it here.
Even the price of manual was not so high that person would not be able to spend a few money.
But that is very worth spent money. Thanks
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Excellent quality service manual. Quick processing, fair prices. Love to do business again. Thank you!!!
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Excellent service manual, the only known point of note is the alignment of improvability scanned pages within the pdf page. The resolution is good.
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I was very glad recieving the service manal from You. Additionaly very fast. Extremaly nice servicing. Thanks very mach! Now my GX-220 working better, than it was made. Alexander from Moscow, Russia/
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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
IC DESCRIPTION-1/1 (LC72341G)-1/1
Pin No. 1 2 3-6 7-10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33-44 45-48 49-52 53 54 55 56 57 58 59 60 61 62 63 64 Pin Name XOUT TEST2 PA3-PA0 PB3-PB0 PC3 PC2 PC1 PC0 PD3 PD2 PD1 INT/PD0 PE1 BEEP/PE0 PF2 AD11/PF1 AD11/PF0 VSS1 PG3/S20 PG2/S19 PG1/S18 PG0/S17 PH3/S16 PH2/S15 PH1/S14 PH0/S13 S12-S1 COM4-COM1 DBR4-DBR1 RES HCTR VDD FMIN AMIN VSS2 EO AIN AOUT AGND TEST1 XIN I/O O I I O O O O O O O I I � O I I I � I I � � � � � � O O � I � � � � � � � � � I I Test terminal. GND connection.(Pull down) Terminal to which external 75 kHz crystal oscillator is connected.(Pull down) Not used. Power terminal. GND connection. LCD segment. LCD common. Not used. Reset. Reset terminal. Forced reset when L is input. (Pull up) Not used. Power terminal. VDD connection. Not used. Not used. AD input. (For voltage detection) (Pull down) Power terminal. GND connection. 12/24: 24 hours display at H input. 12 hours display at L input.(Pull down) KT: H input when kitchen timer function is disabled.(Pull up) Description Terminal to which external 75 kHz crystal oscillator is connected. Test terminal. GND connection.(Pull down) Key input. (Not connected) (Pull down) Key output. Dimmer: H output when back light is ON. Or L output. Light: H output when back light is ON. ATTN1: Buzzer attenuation output 1. ATTN2: Buzzer attenuation output 2. Mute. High output at mute. Radio: High output at radio power is ON. L output at radio power is OFF. AC: High input when AC adapter is used. L input when battery is used.(Pull down) Back up: L input at backup mode. Normally H. (Pull up) Not used. Beep: Buzzer sound output. AD input.(Pull down)
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