Block Diagram; Level Diagram - Kenwood KTC-V300E Service Manual

KTC-V300E/V300N/V300P
ANTENNA TV TUNER
SW PACK
IC201
DIVERSITY
CIRCUIT
POWER SUPPLY
to H/U
+B
Q604
5V AVR
Q601 IC604
SW 5V REG.
IC603
P-ON
5V REG.
IC606
8V REG.
IC602
8V REG.
IC607
9V REG.
IC605
8V REG.
ANTENNA
SW
TV TUNER
PACK
IF AMP
IC301
VIF
SAW
SIF
FILTER
MIX
10.7MHz
2

BLOCK DIAGRAM

NTSC
SAW
IF AMP
FILTER
SDA
SCL
BU5V
A5V
T5V
E TYPE
ONLY
V8V
A8V
AN8V
AV8V

LEVEL DIAGRAM

2.0Vp-p
VIF
1/2ATT
DEMODULATOR
FM
DEMODULATOR
CR LPF
K : 125mV
DE-EMPHASIS
M : 250mV
E : 250mV
FC=2.3kHz
-3dB
30.55MHz (K-TYPE)
22.7MHz (EM-TYPE)
B/G
OSC
22.2MHz (EM-TYPE)
I
21.7MHz (EM-TYPE)
D/K
IC301
FM
MIX
DEMODULATOR
10.7MHz
VIF
DEMODULATOR
E TYPE ONLY
IC401
SECAM
MATRIX
SYNC
RGB SW
DECODER
SDA
SCL
IC101
P-ON
u-COM
SDA
SCL
12MHz
X'TAL
E TYPE ONLY
IC401
SECAM
1.0Vp-p
MATRIX
SYNC
RGB SW
DECODER
IC402
1.0Vp-p
6dB
75
MUTE
1.0Vp-p
IC501
ATT
K : 110mV
K : 0dB
M : 110mV
M : -
E : 110mV
2.5dB
IC501 IC502
NOISE LPF &
CANCELLER AMP
IC402
6dB
75 COMPOSIT VIDEO
MUTE
IC403
6dB
R/G/B
75 RGB-OUT
MUTE
SCDATA
SC REQ
MCDATA
MC REQ
AND GATE BPCLK
SC CON
2.0Vp-p 0.7Vp-p
IC403
6dB
-8.9dB
75
ATT
MUTE
COMPOSIT VIDEO
K : 570mV
M : 570mV
E : 570mV
IC502
NOISE 2st
CANCELLER LPF &
AMP
FC=3.4kHz
-6dB
15dB AMP
SOUND
(L/R)
to H/U
1.4Vp-p
R
G
B
L
R