Kenwood KAC-629-S Service manual

POWER AMPLIFIER

KAC-629S

SERVICE MANUAL

© 2000-11 PRINTED IN KOREA
B51-7710-00 (K) 3590

25

FUSE(25A)

POWER IN

BATT.

P.CON(REMOTE)

GND

LEFT

BRIDGED

RIGHT

SPEAKER OUTPUT

POWER AMPLIFIER

MONO(Lch)

STEREO

OPERATION

LPF

HPF

FILTER

L R

LINE IN

LEFT RIGHT

SPEAKER LEVEL INPUT

GND

INPUT

SENSITIVITY(V)

MAXMIN

0.30.5

1.0

OFF L

+

R

STEREO/BRIDGEABLE

AMPLIFIER

KAC-629S

MAXIMUM POWER

SCREW SET
(N99-1587-05)

ACCESSORY
(TERMINAL COVER SET)
(W01-1516-05)

40%

2

ST/L+R/L(MONO)

(12dB/oct)

+LB

+HB

-HB

IC1(3/4)

L

R

SP

SP

HPF

HPF

S2-1

R

L

(4

60W

)

HPF/OFF/LPF

MUTE

Q1,2

S1

200mV

CONVERTER

DC/DC

BATT

Q36-40

BLOCK DIAGRAM

INPUT SENS.

IC1(1/4)

IC1(2/4)

IC1(4/4)

(12dB/oct)

150Hz

IC3

LPF

S2-2

(12dB/oct)

150Hz

80Hz

HPF/OFF/LPF

P-CON

T1,IC4,Q17,Q18

Q19,21

KAC-629S

BLOCK DIAGRAM

VR2 (R)

VR3 (L)

TP1

R
L

DC voltmeter

(a) 2.5mV

DC voltmeter

(a) 2.5mV

++

SP. OUT

J1

LR

ADJUSTMENT

No. ITEM

INPUT

SETTINGS

OUTPUT

SETTINGS

RECEIVER

SETTINGS

ALIGNMENT

POINTS

ALIGN

FOR

FIG.

Connect a cassette receiver or CD receiver.

1

IDEL

CURRENT

-

Connect a DC

voltmeter

between TP1

(L/R) and J1

(SP.OUT, L+/R-)

VOLUME : 0

VR2 (R ch)

VR3 (L ch)

(X09-)

2.5mV (a)

KAC-629S

3