Kenwood STC-700 Service Manual

TUNER

STC-7 00

SERVICE MANUAL

© 2002-9 PRINTED IN JAPAN
B51-7974-00 (N) 1864

SAAB GENUINE

MODEL PARTS No.

STC-700 55 21 331

Metallic cabinet
(A01-2811-02)

Antenna adaptor
(T90-0512-05)

Screw set
(N99-1739-05)

STC-700

BLOCK DIAGRAM

5L CONNECTOR NAVI INTERFACE

J6 J3

3

5L : 1200mV

3

8

IC15

ISOLATION
AMP

FM/AM
FRONT END

S METER

IFC OUT

AM +B
FM +B

PLL CLK

PLL DATA

AUDIO OUT
RDS OUT

2

NAVI : 1200mV

44

IC17

NOISE
AMPLIFIER

IC16

RDS
DEMODULATOR

4.33MHz

AM 190mV:

3

270mVFM

:

J2 J1

MONITOR INTERFACE DC CONNECTOR

WEDGE ONESELF IN NAVI VOICE
AND SELECTED AUDIO LINE

ACC

GND

POWER

ANT

Q10

B.U. DET
ONLY

MUTE

670mV

:

400mV

:

1650mV

:

1650mV

:

B.U.

FL+

22

Q22

IC21-24

UNBALANCE to
BALANCE

FL-

FR+

8

FR-

RL+

FM :
CD-CH :

RL-

RR+

RR-

:NAVI

1180mV
680mVAM :
2900mV
2900mV

IC6

RST IC

2

IC4

MUTE (NOR)
SEL SWITCH

FM
AM
CD-CH
NAVI

L MUTE

Q51-54

8

IC13

ANALOG
SWITCH

TAPE L

TAPE R

CD R

3

CD GND
CD L

AM
MPX

RED

2

2

3

22

AC IN FL

CD L OUT

CD R OUT

E-VOL

GREEN

AC IN FR

BLUE

SYNC

V GND

IC9

SEL 1
SEL 2

S METER
IFC OUT
AM +B

FM +B
PLL DATA
PLL CLK

NOISE 2
R CLK

QUAL
R DAT

NOISE

QUAL

NAV TX

AFS #

AFS

REMO

NAV RX

4

CH DATA C

S MUTE

4

CH CLK

CH CON

CH MUTE

CH DATA H

CH REQ C #

SYSTEM u-COM

IC11

22

SDA

SCL

LF
RF
LR

RR

MUTE

CH RST

M MUTE

CH REQ H #

SCL

SDA

2

4

DATA H

DATA C

REQ H

REQ C

7

M REQ C #

M REQ H #

MD DATA H

MD DATA C

PRE MUTE #

IC7

SYSTEM E'S

SDA
SCL

LF
RF
LR
RR

CLK

CON

RST

20MHz

M CLK

M CON

PHONE

RESET #

P CON

B.U. DET #

ACC DET #

MUTE

BEEP

RR
LR

RF

Q18

2

2

LF

2