IC-910H Service manual - n7tgb

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• DIODES 1SS301 1SS355 1SS375-TL 1SS385 1SV214 (Symbol: B3) (Symbol: A) (Symbol: FH) (Symbol: 09) (Symbol: T1) A1 A2 C A C A1 A2 C A pink C 1SV217 1SV237 1SV239 1SV265 TL 1SV286 (Symbol: T6) (Symbol: BB) (Symbol: TC) (Symbol: LV) (Symbol: T7) A C A1 C1 NC A C A C A2 C2 1SV307 1SV308 DA221 DAN202 U T107 DAN222TL (Symbol: TX) (Symbol: TX) (Symbol: K) (Symbol: N) (Symbol: N) A C A C A1 C A C A2 DAP202K T146 DAP222 TL HSB88WSTR (Symbol: P) (Symbol: P) (Symbol: Silver line) HSM88AS TR HSU88TRF (Symbol: C1) (Symbol: 9) C1 A1 C1 A1 A C C2 C2 MA29B MA2S111 MA357 MA4PH224 MA728 (Symbol: Y) (Symbol: A) (Symbol: 7K) (Symbol: Red dot) (Symbol: 2A) red dot A C A C A C A C MA77 MA8030 H MA8043 L MA8047 H MA8068 M (Symbol: 4B) (Symbol: 3^0) (Symbol: 4_3) (Symbol: 4^7) (Symbol: 6-8) A C A C A C A C A C MA8082 M RB706F-40 T106 SB07-03C (Symbol: 8-2) (Symbol: 3J) (Symbol: J) A C 8 - 3
SECTION 9 9-1 VR-A BOARD • TOP VIEW BOARD LAYOUTS 9-3 RIT BOARD • TOP VIEW J1 2 6 NC MSVR +5V 2 6 J1 NC SFVR +5V GND MAVR NC 1 5 to DISPLAY board J2 GND RIVR NC 1 5 to DISPLAY board J10 9-2 VR-B BOARD • TOP VIEW 2 J1 6 GND SAVR NC NC SSVR +5V 1 5 to DISPLAY board J11 9 - 1
Page 1 and 2:
SERVICE MANUAL VHF/UHF ALL MODE TRA
Page 3 and 4:
TABLE OF CONTENTS SECTION 1 SPECIFI
Page 5 and 6:
■ RECEIVER • Receive system : V
Page 7 and 8:
• PA UNIT TX/RX switching relay (
Page 9 and 10:
SECTION 3 DISASSEMBLY AND OPTION IN
Page 11 and 12:
• UT-102 VOICE SYNTHESIZER UNIT q
Page 13 and 14:
SECTION 4 CIRCUIT DESCRIPTION 4-1 R
Page 15 and 16:
4-1-11 NOISE BLANKER CIRCUIT (MAIN
Page 17 and 18:
low-pass filter and UHF signal are
Page 19 and 20:
SECTION 5 ADJUSTMENT PROCEDURES 4-1
Page 21 and 22:
• PLL AND MAIN UNITS R570 30.2 MH
Page 23 and 24: • PA UNIT 144M receiver peak/gain
Page 25 and 26: • PA UNIT 430M peak adjustment fo
Page 27 and 28: • PA UNIT P501 RF peak pre-settin
Page 29 and 30: • MAIN UNIT R202 Drive level adju
Page 31 and 32: SOFTWARE ADJUSTMENT (continued) ADJ
Page 37 and 38: CP321 Idling check point CP322 Idli
Page 39 and 40: R67 APC adjustment CP401 APC check
Page 41 and 42: [DISPLAY BOARD] REF ORDER NO. NO. D
Page 43 and 44: [RIT BOARD] REF ORDER NO. NO. R2 72
Page 45 and 46: [PLL UNIT] REF ORDER NO. NO. DESCRI
Page 47 and 48: [PLL UNIT] REF ORDER NO. NO. DESCRI
Page 49 and 50: [MAIN UNIT] REF NO. ORDER NO. DESCR
Page 53 and 54: [MAIN UNIT] REF ORDER NO. NO. DESCR
Page 57 and 58: [PA UNIT] REF NO. ORDER NO. DESCRIP
Page 59 and 60: [PA UNIT] REF ORDER NO. NO. DESCRIP
Page 65 and 66: [MAIN UNIT] — UX-910 REF NO. ORDE
Page 67 and 68: [MAIN UNIT] — UX-910 REF ORDER NO
Page 69 and 70: [MAIN UNIT] — UX-910 REF ORDER NO
Page 71 and 72: [PA UNIT] REF. NO. ORDER NO. DESCRI
Page 73: 2SK2855 2SK2973 2SK2975 3SK131 T2 L
Page 77 and 78: 1-1-32, Kamiminami, Hirano-ku, Osak
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IC-910H Service manual - n7tgb

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