Tx-Rx Unit (X57-6490-10) (B/2) - Kenwood TK-863G Service Manual

A B C D
TX-RX UNIT (X57-6490-10) (B/2) Component side view (J72-0810-02)
J72-0810-02 B/2
PSW
J501
PTT/
CM MIC PSB
TXD
HOOK/
ME GND MBL
RXD
Ref No. Address Ref No. Address Ref No. Address Ref No. Address
IC501 3O IC510 2L D509 5M D512 2E
IC503 4L IC513 3I D510 5R D513 5E
IC507 2G D506 4L D511 2R D514 5I
TX-RX UNIT (X57-6490-10) (B/2) Foil side view (J72-0810-02)
C620 R607
R610
R599
SPD
D524
PTT
D525
R614
R600
D527
C615
C590
C581 Q508
R621
X501
Q504
R620
R593
R595
R613
R612
J72-0810-02 B/2
Ref No. Address Ref No. Address Ref No. Address Ref No. Address
IC502 10P IC509 11I Q502 10H Q505 11B
IC505 11N IC512 10L Q503 11I Q506 11A
IC508 10F Q501 9R Q504 11C Q508 11C
E F G H
D512
R566
C543
R567
R560
C542
1 8
R561
VOL
IC507
+
UP 4
5
C537 R564 C525
R543
R563 C541
C527
VOL
DN
D513
A
MON
Ref No. Address
D521 2C
D529 3I
R722
+
+
R583
C565
C560 R581
C566 R582
C557 C558
22 12
23 11
+
C555
R576
R575
C549
IC508
Q502
C550
R578
C545
33 1
34 44
R554
C536 R558
C530
R553
C534
R548
R550
Ref No. Address Ref No. Address Ref No. Address Ref No. Address
Q509 10B D503 10N D508 9G D525 9C
D501 11O D504 11O D523 10A D526 9C
D502 10N D507 10N D524 9A D527 10A
I J K L
C632
LCD CNT
MBL 5C
1
CS CK
CNT
E E SB IC510
DT
R533
8
C517
5 4
+
IC513
8 1
D506
R512 C505
D514
D/A
CN501
C623
R585
8
7
+
+
IC509 C578 C587
14 1
CNT
E E SB
DT
LCD CNT
MBL 5C
CS CK
R726
Ref No. Address
D528 8C
55
M N O P
PC BOARD VIEWS
16 L501
C501
9
R517
R505
R520
R521
D509
C504
CP534
R701
R515
CP535
+ CP533
CP538
25
CP531 26
R511
CP530
R617
CP529
R508
IC502
CP522
D502
D501
CP
519
D504
50
CP517
51
5 4
IC505
8 1
Q R S
TK-863G
1
D511
2
SYS
UP
3
SYS
4
DN
D510
5
SCN
6
Component side
Pattern 1
Pattern 2
Pattern 3
7
Pattern 4
Foil side
8
C518
C516
X502
C514
R527
CP536 Q501
1 9
C502
100
L503
+
CP526
10
CP523
CP524
CP521
CP518 CP520
F.RESET
76
11
75
R501
12
Component side
Pattern 1
13
Pattern 2
Pattern 3
Pattern 4
56
Foil side
14