Yamaha HTR-5635 Service Manual page 50

A B
HTR-5635
SCHEMATIC DIAGRAM (FUNCTION 2/2)
1
Page 49 C6 Page 49 C7 Page 49
4.9 12.0
5.6
2
5.6
0
2.2
2.2
4.4
0
2.2
2.2
0
0
3
3
1.9
4
0
5
13.3
0.1
0.1
0.8
0
6
POWER RELAY
7
21.2
0 0
-21.8
AC 32.9
12.1
-0.1
AC 20.1
-0.1
8
-13.2
9
50
C D E
C8
12.0
2.9
2.3
0
0
0
4.8
4.9
4.9
1.8
: Not applied to HTR-5635
AM/FM TUNER
13.3 13.3
6.4 6.4
6.4 6.4
AC
13.4
0 0
F G
12.0
6.4 6.4 6.4
5.7
7.0
0.3
0
0
IC551: LA7956
Video Switch
6dB
AMP
DRIVER CONTROL
1 2 3 4 5
VIDEO A B VIN1 GND
OUT
IC571: LC72722
RDS Decoder
1
VDDA 3
REFERENCE
VOLTAGE
VSSA
4
Point 3 Pin 12 of IC571
57kHz
ANTIALIASING
MPX IN 2 bpf
FILTER
(SCF)
DO 20
CL 21
RAM
DI 22 CCB (24 BLOCK DATA)
CE 23
T1 7
MEMORY
CONTROL
T2 8
TEST
T3 9
T4
10
11 16 17
# All voltages are measured with a 10MΩ/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.
H I
4 INPUT 1 OUTPUT
VIDEO SWITCH
6 7 8 9
VIN2 VCC VIN3 VIN4
5 6
+ CLOCK 14 VDDD
PLL
RECOVERY
(57kHz)
(1187.5Hz)
15 VSSD
VREF
SMOOTHING DATA
19 RDS-ID
FILTER DECODER
18 SYNC
ERROR CORRECTION SYNC/EC
(SOFT DECISION) CONTROLLER
24 SYR
CLK(4.332MHz)
SYNC SYNC
DETECT-1 DETECT-2
OSC/DIVIDER
13 12
x: NOT USED
O: USED / APPLICABLE
J K L