HTR-5635
A
1
2
3
4
5
6
7
8
9
B
C
D
E
F
G
H
I
J
K
L
50
SCHEMATIC DIAGRAM (FUNCTION 2/2)
x: NOT USED
O: USED / APPLICABLE
IC551: LA7956
Video Switch
1
2
3
4
5
6
7
8
9
VIDEO
OUT
A
B
VIN1
GND
VIN2
VCC
VIN3
VIN4
DRIVER
6dB
AMP
CONTROL
4 INPUT 1 OUTPUT
VIDEO SWITCH
IC571: LC72722
RDS Decoder
+
REFERENCE
VOLTAGE
57kHz
bpf
(SCF)
CCB
TEST
PLL
(57kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
SYNC/EC
CONTROLLER
SYNC
DETECT-1
DATA
DECODER
CLOCK
RECOVERY
(1187.5Hz)
MEMORY
CONTROL
OSC/DIVIDER
VREF
CLK(4.332MHz)
SYNC
DETECT-2
VDDA
VSSD
VDDD
RDS-ID
SYNC
SYR
VSSA
MPX IN
DO
CL
DI
CE
T1
T2
T3
T4
T5
T6
T7
X IN
VREF
FL OUT
C IN
X OUT
3
14
15
19
18
24
1
5
6
4
2
20
21
22
23
7
8
9
10
11 16 17
13
12
POWER RELAY
: Not applied to HTR-5635
Point
3
Pin 12 of IC571
Page 49
C6
Page 49
C7
Page 49
C8
P
age 54
I5
P
age 54
K3
★
All voltages are measured with a 10M
Ω
/V DC electric volt meter.
★
Components having special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
3
0
-0.1
-0.1
0
21.2
-21.8
12.1
-13.2
AC 32.9
AC 20.1
AC
13.4
13.3
6.4
6.4
0
13.3
6.4
6.4
0
0.1
0
13.3
0.1
0.8
1.8
1.9
2.2
2.2
2.2
12.0
5.6
4.9
5.6
0
2.3
12.0
2.9
4.4
0
2.2
0
0
4.9
4.8
0
0
0
4.9
0
12.0
5.7
6.4
6.4
7.0
0
0.3
3.9
3.9
12.0
3.9
0
3.9
4.9
4.9
6.4
0
6.4
AM/FM TUNER
Summary of Contents for HTR-5635
Page 68: ...HTR 5635 ...