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Summary of Contents for JVC AV28S2EKGR
- Page 1 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SERVICE MANUAL COLOUR TELEVISION BASIC CHASSIS AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD. No.51777 Mar. 2001...
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Page 2: Service Adjustments
AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SERVICE ADJUSTMENTS BEFORE STARTING SERVICE ADJUSTMENT 1. There are 2 ways of adjusting this TV: One is with the 7. Preparation for adjustment (presetting): REMOTE CONTROL UNIT and the other is the conventional Unless otherwise specified in the adjustment items, preset the method using adjustment parts and components. - Page 3 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL BASIC OPERATION SERVICE MENU 1. TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the REMOTE CONTROL UNIT. 2. SERVICE MENU ITEMS With the SERVICE MENU, various settings (adjustments) can be made, and they are broadly classified in the following items of settings (adjustments): (1) 1.
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Page 4: Service Menu
AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SERVICE MENU SERVICE MENU SUB MENU 7. AUTO PROGRAM 1. IF 2. V/C (Do not adjust) 3. AUDIO 4. DEF 5. VSM PRESET 6. VPS 7. AUTO PROGRAM (OFF) 7. AUTO PROGRAM (OFF) 7. AUTO PROGRAM (ON) -
Page 5: Auto Program
AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL (3) Method of Setting 1) Method of Setting 1.IF [VCO] 1 Key Select 1.IF. The VCO (CW) screen will be displayed in yellow when the AFC voltage is at a certain level and in blue when it is at other levels. -
Page 6: Block Diagram
AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL BLOCK DIAGRAM SP L TU001 TUNER MAIN PWB SP R SC_R/G/B JACK SC_YS MAIN PWB IC302 IC701 TV_L/R RGB SW IC602 (2/2) " " TV_R TV_V " IC601 L4/R4 L/R1 TV_L IC603 "$... - Page 7 AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM MAIN PWB ASS'Y (1/2) SJK-1911A-U2(AV28S2EKGR/EKBL) SJK-1711A-U2(AV28S2EIGR/EIBL) DIFFERENT LIST 1911A-U2 1711A-U2 No.51777 No.51777...
- Page 8 AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL DIFFERENCE LIST 1911A-U2 1711A-U2 MAIN PWB ASS'Y (2/2) SJK-1911A-U2 (AV28S2EKGR/EKBL) SJK-1711A-U2 (AV28S2EIGR/EIBL) No.51777 No.51777...
- Page 9 AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL POWER & DEF PWB CIRCUIT DIAGRAM 16.9K .047 AC275V QQH0089-002-I2 1/4W 4.7 1/2W FR .011 .0028 POWER & DEF. PWB ASS'Y SJK-2511A-U2 No.51777 2-10 No.51777...
- Page 10 AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL AV SEL. PWB CIRCUIT DIARAM AV SEL PWB ASS'Y SJK0S911A-U2(AV28S2EKGR/EKBL) SJK0S711A-U2(AV28S2EIGR/EIBL) No.51777 No.51777 2-11 2-12...
- Page 11 AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL FRONT CONTROL PWB CIRCUIT DIAGRAM SIDE CONTROL PWB CIRCUIT DIAGRAM FRONT CTRL PWB ASS'Y SIDE CTRL PWB ASS'Y SJK-8511A-U2 SJK-8551A-U2 No.51777 2-13 2-14 No.51777...
- Page 12 AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL CRT SOCKET PWB CIRCUIT DIAGRAM CRT SOCKET PWB ASS'Y SJK-3511A-U2 No.51777 No.51777 2-15 2-16...
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