Kenwood pds20-18 Service Manual page 41

CONTROL UNIT
X77-2120-02 : PDS20-18
X77-2120-00 : PDS36-10
X77-2120-04 : PDS60-6
25V
C127 C129 C131 R110 R114 R115 R120
PDS20-18 270p 50V 3300p 50V 100p 50V 130K 1/10W 22K 1/10W 180K 1/10W 16K 1/10W 3.3K 1/10W 430K 1/10W
PDS36-10 270p 50V 2200p 50V 100p 50V 160K 1/10W 13K 1/10W 180K 1/10W 11K 1/10W
PDS60-6 100 50V 2200p 50V 150p 50V 270K 1/10W 13K 1/10W 300K 1/10W 11K 1/10W
R150 R151, 192 R152 R155 R159 R160 R161
PDS20-18 – 20K 1/10W 300K 1/10W 9.1K 1/10W 47K 1/10W 10K 1/10W 8.2K 1/10W
PDS36-10 39K 1/10W 22K 1/10W 200K 1/10W 6.2K 1/10W 91K 1/10W 10K 1/10W 9.1K 1/10W
PDS60-6 – 16K 1/10W 200K 1/10W 6.2K 1/10W 91K 1/10W 4.7K 1/10W 9.1K 1/10W 18K 1/10W
R225 R226 R231 R232 R241 R502 TH103
PDS20-18 15K 1/10W 43K 1/10W 33K 1/10W 1.8K 1/10W 1.5K 1/10W 1.0K 1/10W used
PDS36-10 62K 1/10W 91K 1/10W – – 1.0K 1/10W –
1.0K 1/10W
PDS60-6 91K 1/10W 52K 1/10W 27K 1/10W 2.2K 1/10W – – used
SCHEMATIC DIAGRAM
25V
25V
25V
25V
25V
25V
25V
25V
R132 R133 R137 R140 R141, 215 R142
47K 1/10W 4.7K 1/10W 2.7K 1/10W 15K 1/10W
22K 1/10W 680K 1/10W 47K 1/10W 4.7K 1/10W 3.3K 1/10W 15K 1/10W
22K 1/10W 680K 1/10W 91K 1/10W 5.1K 1/10W 3.3K 1/10W 100 1/10W
R179
R162 R167 R216 R217 R220 R222
– 62K 1/10W 470 1/10W 100K 1/10W 100K 1/10W 2K 1/10W 560K 110W
– 110K 1/10W 39 1/10W 100K 1/10W 39K 1/10W 1.8K 1/10W 750K 1/10W
470 1/10W
180K 1/10W 150K 1/10W 30K 1/10W 1.6K 1/10W 270K 1/10W
TH108
used
used
–
25V
25V
25V
2.2K
30K
1u
25V
25V
25V
25V
IC3 : TC74HC14AF
IC4-6 : BU4094BCP
IC7, 8 : TC74HC251AF
IC9 : BR93LC56AF
IC10, 108, 109 : TC74HC74AF
IC11 : TC74HC139AF
IC12, 14 : PCM1700U
IC15, 102 : BU4052BCF
IC6 : NJM5532M
IC101, 103 : NJM4558M
IC104 : TA6431S
IC105 : NJM2114M
IC106 : NJM2119M
IC107 : NJM2068M
IC110 : TC74HC02AF
IC111 : TC74HCU04F
IC112 : TA7805S
18K
IC113 : TA79005S
IC116 : TA79L012P [PDS20-36/60-12]
: TA79L005AP
Q1, 2, 106, 110 : 2SA1162(Y)
Q101-105, 107-109, 111, 112
: 2SC2712(Y)
D1, 104, 113, 114, 123, 126
: 1SS355
D101, 102, 105, 106, 124, 125
: DAN202K
D103, 107 : DAP202K
D108 : UDZ3.0B
D110, 111 : 1SS302
D115-117 : UDZ5.6B
D119-122, 127, 128
: DSM1D2