Motorola HT1250-LS+ Service Manual page 81

Schematic Diagrams, Overlays, and Parts Lists
Circuit Motorola
Description
Ref Part No.
R424 0662057N12 36 K
R425 0662057N10 30 K
R426 0662057N35 330 K
R427 0662057M84 2.7 K
R428 0662057M10 2.2
R429 0662057M98 10 K
R430 0662057M01 0
R431 0662057N39 470 K
R432 0662057N16 51 K
R434 0662057M62 330
R435 0662057M81 2 K
R436 0662057M01 0
R437 --- not used
R445 0662057N08 24 K
R447 0662057N51 1.5 MEG
R448 0662057M98 10 K
R449 0662057N08 24 K
R450 0683962T45 68
R451 0662057N03 15 K
R452 0662057N23 100 K
R453 --- not used
R454 --- not used
R455 --- not used
R456 0662057M01 0
R457 0662057M98 10 K
R460 0662057M90 4.7 K
R461 0662057M56 180
R462 0662057M98 10 K
R463 0662057M61 300
R471 0662057M92 5.6 K
R472 0662057M93 6.2 K
R473 0662057M26 10
R475 0662057M01 0
R476 0662057N08 24 K
R477 0662057M74 1 K
R478 0662057M98 10 K
R481 0662057N08 24 K
R482 0662057M01 0
R492 0662057M01 0
R498 0662057M98 10 K
R499 0662057M98 10 K
R501 0662057M70 680
R502 0662057M56 180
R505 0662057M98 10 K
R506 0662057N15 47 K
R600 --- not used
R601 0662057N31 220 K
R602 0662057N23 100 K
R603 0662057N23 100 K
R604 --- not used
R605 0662057N23 100 K
Circuit Motorola
Description
Ref Part No.
R606 0662057N23 100 K
R615 --- not used
R616 0662057M01 0
R3135 0662057M76 1.2 K
R3200 0662057M86 3.3 K
R3201 0662057M83 2.4 K
R3202 0662057M43 51
R3203 --- not used
R3205 0662057M01 0
R3206 0662057N03 15 K
R3208 0662057V02 10 K
R3209 0662057V04 12 K
R3210 0662057M70 680
R3211 0662057N01 12 K
R3215 0662057M80 1.8 K
R3216 0662057M64 390
R3220 0662057M80 1.8 K
R3221 0662057M62 330
R3222 0662057N11 33 K
R3223 0662057M90 4.7 K
R3224 0662057N01 12 K
R3225 0662057M90 4.7 K
R3240 0662057M34 22
R3318 0662057M66 470
R3330 0662057U61 240
R3331 0662057U97 6.8 K
R3332 0662057M43 51
R3333 0662057V11 22 K
R3334 0662057M94 6.8 K
R3335 0662057M73 910
R3336 0662057M92 5.6 K
R3500 --- not used
R3501 0662057M61 300
R3502 0662057M32 18
R3503 0662057M61 300
R3505 0662057M62 330
R3512 --- not used
R3513 --- not used
R3519 0680539Z01 0.1
R3540 0662057A01 10
R3541 --- not used
R3542 0662057M92 5.6 K
R3543 0662057M50 100
R3544 0662057A25 100
R3545 0662057A25 100
R3546 0662057N11 33 K
R3547 0662057N01 12 K
R3548 0662057M95 7.5 K
R3551 0662057M01 0
R3561 0662057N01 12 K
R3562 0662057N11 33 K
Circuit Motorola
Description
Ref Part No.
R3563 0662057N33 270 K
R3564 0662057N35 330 K
R3565 --- not used
R3566 0662057M01 0
R3569 --- not used
R3570 --- not used
R3571 --- not used
R3572 0662057A27 120
R3573 0662057A27 120
R3701 0662057M50 100
R3702 --- not used
R3703 0662057M54 150
R3704 0662057M54 150
R3705 0662057N11 33 K
R3720 0662057N23 100 K
R3721 0662057M01 0
R3722 0662057M74 1 K
R3723 0662057M50 100
R3726 --- not used
R3727 0662057N23 100 K
R3741 0662057M50 100
R3751 0662057N24 110 K
R3752 0662057N26 130 K
R3760 0662057M01 0
R3761 0662057N27 150 K
R3762 --- not used
R3763 0662057M50 100
R3799 0662057M01 0
R3801 --- not used
R3802 0662057M01 0
R3803 --- not used
R3804 0662057M01 0
R3810 0662057M67 510
R3811 0662057M50 100
R3812 --- not used
R3816 0662057M74 1 K
R3817 0662057M01 0
R3818 --- not used
R3821 0662057M58 220
R3822 0662057M42 47
R3823 0662057N11 33 K
R3824 0662057N07 22 K
R3825 0662057M38 33
R3826 0662057M32 18
R3828 0662057M87 3.6 K
R3829 0662057M01 0
R3830 --- not used
R3831 0662057M98 10 K
R3832 0662057N01 12 K
R3833 0662057M58 220
R3834 0662057M42 47
Circuit Motorola
Description
Ref Part No.
R3835 0662057N15 47 K
R3836 0662057M98 10 K
R3850 0662057M96 8.2 K
R3852 0662057M54 150
R3854 0662057M73 910
R3855 0662057M90 4.7 K
RT400 0680590Z01 33.0 K @ 25°C
S501 4080710Z01 Frequency Switch
S502 1880619Z02 Volume Potentiometer/On-Off
Switch
SH400 2680505Z01 Controller Memory Shield
Bottom
SH401 2680506Z01 Controller On/Off Shield
Bottom
SH402 2680515Z01 Controller Micropressor Shield
Top
SH403 2680516Z01 Controller ASFIC/Audio PA
Shield Top
SH3202 2686081B02 Shield, IF Top
SH3203 2686081B03 Shield, IF Bottom
SH3301 2686081B01 Shield, FE Top
SH3302 2680509Z01 Shield, Mixer Bottom
SH3501 2686081B03 Shield, PA Harmonic Filter
Bottom
SH3502 2686081B04 Shield, PA Bottom
SH3701 2680511Z01 Shield, FracN Bottom
SH3702 2680511Z01 Shield, FracN Top
SH3801 2680513Z01 Shield, VCO Bottom
SH3802 2680514Z01 Shield, VCO Top
T3301 2580541Z02 Mixer Balun
T3302 2580541Z02 Mixer Balun
U400 5102463J40 3.3V Regulator
U404 5185130C53 ASFIC Audio Filter IC
U405 5102463J36 Static RAM 32Kx8 SRM2B256
U406 *5102463J59 Flash ROM 128Kx8
AT49HLV010
U407 *5102463J64 Serial EEPROM 16Kx8
X25128-2.7
U409 5102226J56 Microcontroller
U410 5102463J57 3.3V Regulator
U420 5102463J44 Audio PA
U2000 5180932W01 LM2904 Dual Opamp
U3101 5186144B01 SA616 IFIC
U3201 5102463J58 3.3V Regulator
U3501 5185130C65 LDMOS Power Amplifier
U3502 5185765B26 Power Control IC
U3503 5185963A15 Temperature Sensor
U3701 5185963A27 Low Voltage FracN
U3711 5105739X05 5V Regulator
U3801 5105750U54 VCO Buffer IC
VR432 4805656W08 5.6V Zener
5-23