— 16 —
4. PW PCB Assy
4-1. VCC18, VCC15, VEE7 adjustments
Adjustment
Apply 5.0
±
0.05V on VCC1-1 and adjust VR120 so that VCC18 (CP121) is 22.0
±
0.5V.
Adjust VR125 so that VCC15 (CP125) is 15.5
±
0.2V.
Adjust VR130 so that VEE7 (CP133) is –8.0
±
0.2V.
Note
Perform VCC15 adjustment after VCC18 adjustment is done.
Summary of Contents for QV-5500SX
Page 1: ...Ver 1 Dec 1999 R QV 5500SX MAR 1999 without price KX 712 INDEX...
Page 25: ...23 49 Take the spacer out Spacer 50 Remove LCD...
Page 34: ...32 BL PCB PCB 712BL C PCB PCB 712C PRINTED CIRCUIT BOARDS...
Page 35: ...33 D PCB PCB 712D...
Page 36: ...34 JK PCB PCB 712JK K PCB PCB 712K...
Page 37: ...35 L PCB PCB 712L...
Page 38: ...36 PW PCB PCB K777PW...
Page 39: ...37 SCHEMATIC DIAGRAMS DIGITAL CIRCUIT...
Page 40: ...38 POWER CIRCUIT DIGITAL ANALOG...
Page 41: ...39 LINEAR CIRCUIT...
Page 42: ...40 C PCB CIRCUIT...
Page 43: ...41 K PCB CIRCUIT...
Page 44: ...42 BL PCB CIRCUIT...
Page 45: ...43 JK PCB CIRCUIT to Battery Box Battery GND JK IN to PCB PW Imput DC 6V...
