STR-DE197
15
15
STR-DE197
4-3. BLOCK DIAGRAM — MAIN SECTION —
9
7
5
3
1
14
22
49
71
28
77 - 72,70 - 62
7 - 1,80 - 78
27
26
25
24
44
23
54
17
34
35
15 46
19 18 50 12 10 11 9
13
37
36
60
58
59
16
56
57
47
13
5
41 42 43
32
3
1
1
2
4
3
3
10
8
12
11
5
6
2
3
7
LED
DRIVER
Q204
LED
DRIVER
Q206
55
LED
DRIVER
Q205
KEY MATRIX
FL201
VACUUM
FLUORESCENT
DISPLAY
1
REMOTE
CONTROL
RECEIVER
IC202
29
20
3
2
8 9 10
15
14
38
53
39
1
3
TREBLE
L
MIDDLE
L
BASS
L
CONTROL
VOLUME
CONTROL
STEREO
TUNED
MUTE
CE
DI
DO
CL
FM SIGNAL OUT
RDS DATA
RDS INT
STEREO
TUNED
TUNER MUTE
CE
DO
DI
CL
VOL CL
VOL DATA
CK
DATA
STB
REC SW2
REC SW1
RY HP
RY A
RY B
PROTECTOR
RY R1 COIL
RY POWER
STOP
ST-R
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
ST-L
HP RELAY
SPK A RELAY
RESET
SPK B RELAY
PROTECTOR SIG
R1 COIL RELAY
POWER RELAY
STOP SIGNAL
RESET
SWITCH
Q201,202
BASS B.LED
VOL A
VOL B
X1
X2
VLOAD
AD1
AD2
AD3
AD4
AD5
SYS.POWER
AD6
SPK A LED
SPK B LED
DIG1
I
DIG10
S1
I
S15
SIRCS
S201
S202
S203
I
/ I
SPEAKER
D205
D206
SPEAKER
A
B
X201
4.19MHz
D203
RV201
MASTER VOLUME
BASS
BOOST
A
B
S204-213,
215-236,
238,239
SYSTEM CONTROLLER,
FL DRIVER
IC201
J801 (1/2)
J802 (1/2)
-1
L
-2
R
IN
CD
IC906
LEVEL
SHIFT
IC905
US,CND MODEL
-5
L
-6
R
IN
MD/TAPE
J801 (2/2)
VIDEO 1,MD/TAPE
SELECT
IC404
AUDIO AMP
IC403
SOUND CONTROL
IC401
-3
L
-4
R
OUT
MD/TAPE
J802 (2/2)
-3
L
-4
R
AUDIO OUT
VIDEO 1
-1
L
-2
R
AUDIO IN
VIDEO 2
-5
L
-6
R
AUDIO IN
VIDEO 1
FM 75
Ω
COAXIAL
AM
ANTENNA
10V
L CH
R CH
MUTE
CE
CLOCK
DO
TUNED
STEREO
STEREO
TUNED
MUTE
CE
CL
DO
FM SIGNAL
RDS DATA
RDS INT
VDD3.3V
R-CH
+10V
3.3V
LEVEL
SHIFT
-24V
F1 F2
REC L
VOL L
OUT L
TUNER
L
CD L
MD L
VIDEO 2
L
IN
L
OUT
VIDEO 1
CLK
DATA
CLK
STB
DATA
ELECTRONIC
VOLUME
IC402
Q424
INV.
Q474
INV.
TN1
FM/AM TUNER PACK
DATA
DI
AEP MODEL
POWER
SECTION
A
LEVEL
SHIFT
Q905,906
US,CND MODEL
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
• R-ch is omitted due to
same as L-ch.
• Abbreviation
CND : Canadian model
(Page 16)
