Kenwood KTC-SR902 Service Manual

SIRIUS SATELLITE RADIO TUNER

KTC-SR902

SERVICE MANUAL

Metallic cabinet
(A01-2826-02)

© 2003-7 PRINTED IN JAPAN
B53-0082-00 (N) 1424

Cord with plug
(E30-4291-05)

Magic tape
(H30-0051-05)

Mounting hardware
(J21-3801-04)

Screw set
(N99-1623-05)

X2

2

AUDIO

DATA

FEEDBACK

(OPTION)

ANTENNA

F/E

A1 IC1

A/D

IC3

DBC

SDRAM

IC4

FLASH

IC2

D/A

IC7

u-COM

IC6

ROM

SW. AMP

IC8

J6 J1 J3

ISO-AMP

J2

IC9

to CONT to H/U RCA to CD-CH

RECEIVE SIGNAL
CLOCK
CONTROL

A2

CONTROLLER 6.6V

ANTENNA 8V

ANALOG 3.3V

AUDIO 8V

BACKUP 5V

D/A 5V

DIGTAL 3.3V

DIGTAL 1.5V

DIGTAL 5V

Q6

L10

Q7

SWSW

CONTROL

IC11

SW

Q7

D3,C175

D4,C174

D5,C173

IC20

IC13

IC14

R285

R273

R285

D17,L9

IC12

POWER SUPPLY BLOCK

60MHz

60MHz

12.288MHz

12.288MHz

CURRENT DETECT, OK ; 50-250mA

for DROP VOLTAGE

STANDBY : 5V

KTC-SR902

BLOCK DIAGRAM