Icom IC-PCR1500 Service Manual page 58

A+8V
Q66: 3SK131
IFCON
IF
2NDIF
GAIN
AMP
CTRL
MODE
D97: 1SV308 SW
IC28: LMV321
IF AGC/WF5
D78, D79, D90,
D91: MA2S077
NB
X3: CDSCB10M7GA141
AMP
Q68:
2SK882
Q43: 2SC4617
Q45: XP4601
AGC NB
CTRL. GATE
WFDET
WFM-IC
IC16: LA1145M Q65: 2SC4617
WFDET
IFAGC
Q58:
2SC4617
AGC AGC /WF5
AMP CTRL.
Q57: UNR9213
SCAD
To
MAIN
-B
UNIT
J5
Q71:
Q69, Q70: 2SA1832
Q74: XP1213
AGCF
AGC
SCAN
CTRL.
D81: 1SS400
D76: MA2S728
A+8V
IC25:
NJM2904V [1/2]
AGC
AMP
RFAGC
A–5V
AGC
AMP
Q67: 2SC4617
A+5V
AGCSET
RSSI
IFIC
D/A BUFF
IC8: IC32:
M62363FP [1/8] LMV321
IC24: TA31136
HFAGC
AGCF SCAN
SMAD
ADJ AGC
SELECT CTRL
Q72: UNR9213
IC29: SN74AHC1G08
IC30: SN74AHC2G53 Q75: 2SC4617
D103: MA2S728
METER
AMP
IC25: NJM2904V [1/2]
D80: 1SS400
APCO5V
IFOUT
X2:
AMP
CDBC450CX24
Q76: 2SC4215
A+5V
SSBAF
AFO
AF
AMAF
SELECT
WFDET
IC27: CD4066BPWR
FDET
2nd-IF: 10.7 MHz 2nd-Mix
A+5V
D66: MA2S077
D70: MA2S077
IC19: TA4107F
2NDIF
MODE MODE
BPF
AMP
SW SW
FI5: SFVLF10M7MF00 Q60: 2SC4617
FI6: SFTLF10M7GA00
MODE MODE
BPF ATT
SW SW
A+5V
D71: MA2S077 D67: MA2S077
Q49: 2SC4617
Q52: XP4311 PFL4
SCOPE
BPF
CTRL.
NB
GATE
NB-SW
CTRL
FI2:
Q42:
SFECV10
XP4311
Q46: UNR9213 M7CQ0C01
IF-IC
IC20: TA31136
REF
CERAMIC
LPF
BPF
FI4: CFWS450HT
A+5V A+5V (10.25 MHz)
X1: CR-814
REF REF
TCXO D/A HPF
AMP AMP
Q80:
2SC4835 2SC4617 IC8:
M62363FP [1/8]
CERAMIC
MODE MODE IF
SW BPF SW AMP
Q62:
D72: MA2S077 FI7: CFWS450K3 D68: MA2S077 2SK882
CERAMIC
MODE MODE
BPF
SW SW
D95: MA2S077 FI8: CFWS450HT D93: MA2S077
CERAMIC
MODE MODE
BPF
SW SW
D73: MA2S077 FI9: CFWS450E D69: MA2S077
MODE MODE
BPF
SW SW
D96: MA2S077 D94: MA2S077
IF AM
AFAM
BUFF
AMP DET
Q61: 2SK882 Q63: 2SC4617 D75: RD706
SSB DEC
HPF
MODE
IC23: TA4101F
SW
IC31: LMV321
D61: MA2S077
AFSSB
MODE
LPF HPF
SW
D92: MA2S077
Q73: 2SC4617
IC1, IC3, IC17, IC18:
IC26: SN74AHC1G66
CD4094
FIL2
DET
DC
FIL3 EXPAND
CTRL
BUFF
Q3, Q4, Q6, Q7, Q54: XP1114
Q55, Q56: XP1114
Q59: XP4311
NOISE
D2, D4: DAN222
CTRL.
DAT
Q53: UNR9111
CK
D/A
D74: DAN222 DSTB
Q64: UNR9213
Q81: UNR9213
MAIN-A UNIT
1st-Mix
A+8V
A+5V
FI1: EFCH266MWNT1
IC14:
SPM5001
1st IF
ATT BPF
AMP
Q44: 3SK131
IFAGC 1st-IF: 266.7/265.7/267.7 MHz
5V 5V ATT
IC11:
532.4–1066.65 MHz
PB1508GV
Lo
1/2 BUFF HPF LPF
SW
Q34:
266.7–532.35 MHz
2SC4835 D85: MA2S077
Lo Lo Lo
ATT BPF
SW SW SW
D57: MA2S077 D84: MA2S077 D60: MA2S077
ATT
Q32: UNR9211 532.4–749.95 MHz
Q21: UNR9113
D55: 1SV308 750–1066.65 MHz
VSF1 VCO1
VCO
SHIFT
SELECT
VCO5V
A+5V
VCO5V
D58:1SV308
1st-VCO
Lo
VCO BUFF BUFF
A+5V A+33V
SW
Q27:
2SC5193
Q28: 2SC5193 IC15:
D53: 1SV278 PC2709TB
LOOP
VCO5V
FIL
Q30: 2SC5193
D54: 1SV278 VCO5V
Q35: 2SK880
Q36: 2SC4117
Lo
VCO BUFF
SW
Q29:
A+8V
2SC5193 D59:1SV308
VSF2 VCO2
VCO
SHIFT
BUFF
SELECT
Q20: UNR9113
D52: 1SV308
Q39: 2SC4835
Q33: UNR9211
PLL3.3V
A+5V
A+5V VCO5V
PLL REF RIPPLE
REF
IC AMP FIL
Q24:
IC10: MB15E03SL 2SC5277
A+8V
PLL3.3V
A+8V A+5V
LOOP PLL REF
LPF BUFF VCO
FIL IC AMP
Q50:
Q31:
2SC4835
Q47: 2SC5193 2SC4617
D62, D63: 1SV284 IC13:
A+5V MB15F63UL
2nd-VCO
BUFF
Q41: 2SC4215
DDS
A+5V DDSREF 8V
A+5V
D/A DDS AMP LPF HPF X3
IC21:
IC22: SC-1287 Q 48: 2SC4116
TC7S04FU
DDSREF 8V
Q77:
2SA1832
PFL3
DDSREF 8V
PFL4 REG
D120: DAN222
Q90: XP4311
Explanatory notes A+5V
+B LINE
RX LINE (PCR1500/2500)
BAND1
0.01–1.799999 MHz
BAND
LPF
SW
D56: 1SV307F
1.8–14.999999 MHz
HF8V BAND2
BAND BAND
HPF LPF
SW SW
D49: 1SV308
D102: 1SV307F
15–29.999999 MHz
BAND3
BAND
HPF LPF
SW
D83: 1SV308
30–49.999999 MHz
HF8V
BAND4
RF
BAND
HPF
AMP
SW
Q22:
D48: 1SV308
2SC5226
DPLL3.3V
D1GLO
Q14: 2SC5006
Lo
Q9:
D2GLO SELECT XP1113
D11, D12:
1SV308
BAND BAND
HPF BUFF
SW SW
Q13: 2SC5624
D21, D22:
1SV308
1001 MHz/2002 MHz
D3.3V D3.3V
D3.3V
RF
HPF BUFF
AMP
IC6: IC5:
PC2757TB PC2749TB Q11:
2SC5006
D3.3V
BAND
LPF
SW
D42: 1SV308
50–149.999999 MHz
BAND5
TUENV1 BAND5
Q79: BAND RF
BPF
2SC4617 SW AMP
Q15:
3SK318
D44: 1SV308 D35, D36: 1SV290
150–349.999999 MHz
BAND6
TUENV1 BAND6
BAND RF
BPF
SW AMP
REF
Q17:
D46: 1SV308 D37: 1SV282
3SK318
350–699.999999 MHz
BAND7
TUENV1 BAND7
BAND RF
BPF
SW AMP
Q16:
D47: 1SV308 D38: 1SV286 3SK318
D39: 1SV282
700–1300.000000 MHz
BAND8
TUENV1 BAND8
BAND RF
BPF
SW AMP
Q18:
D45: 1SV308 D40, D41: 1SV286 3SK324
APCO5V PLL3.3V 5V DVCO5V D3.3V DPLL3.3V
Q23: Q78:
UNR9111 UNR9111
1/2 5V
APCO5V PLL3.3V DVCO5V D3.3V DPLL3.3V
REG
REG REG REG REG REG
IC2:
IC9:
Q10: S-812C33AMC
IFSW PFL2 D3VS
S-812C33AMC
UNR9111
10 - 2
Q1: UNR9213
Q2: UNR9113
BAND1
Q8: 2SC4617
J1
ANT
BAND ATT
ATTC
SW CTRL
D29: 1SV308
D98: DA221
BAND2
BAND
ATT
SW
D25: 1SV308
D1, D3: 1SV308
D99: DA221
BAND3
BAND BAND
SW SW
D82: 1SV308 HFAGC
D9: 1SV308
D100: DA221
BAND4
BAND
AGC LPF
SW
D30: 1SV308 D24: 1SV308
D101: DA221
DVCO5V DPLL3.3V
Q91: UNR9213
DOWN.
D3VS
PLL
CONV.
BUFF
IC
PS
IC4:
MB15E03SL
DVCO5V
DVCO5V
REF
LOOP REF
VCO
FIL AMP
Q19: 2SC5006 Q5: 2SC5277
D43: 1SV245
(1000.5 MHz/2001 MHz)
DOWN CONV.
BAND
SW
D15: 1SV308
Q12: 2SC4835
VCO1
BPF
BAND
CTRL
SW
D7:1SV308
BAND5
RFAGC TUENV2, 3
BAND
BPF HPF
SW
D8, D16, D18: 1SV290 D5:1SV308
D28,D31: 1SV290
BAND6
RFAGC TUENV2
BAND
BPF
SW
D32: 1SV282 D6: 1SV308
BAND7
RFAGC TUENV3
BAND
BPF
SW
D26: 1SV286 D14: 1SV308
D27: 1SV282
BAND8
RFAGC TUENV2
BAND
BPF
SW
D19, D23: 1SV286 D13: 1SV308
D33, D34: 1SV286
HF8V
IC8:
Q25: XP4311
M62363FP [4/8]
TUNV1, A+5V
TUNV4 A+33V
HF8V
REG
T1, T4
TUNE
D/A
CTRL
A+8V
IC7:
A–5V NJM2902
HF-RF
D50, D51:
AMP
DAN222
CTRL.
DAT
CK
DSTB
BAND1, 4