XR-5W497RB
– 11 –
– 12 –
3-2. BLOCK DIAGRAM — TAPE SECTION —
R-CH
FWD
R-CH
REV
48
18
17
14
37
46
EQ
AMP
DOLBY
NR
21
19
16
43
AUTO
MUSIC
SENSOR
DOLBY
LEVEL
L-CH
R-CH
MS
ON/OFF
MS-GV
RADIO/TAPE
70U/120U
R/F
RV431
41
EQ AMP/DOLBY NR
IC401
TAPE L
34
27
35
8
9
36
28
33
SUB SYSTEM CONTROL
IC201 (2/2)
F/R
METAL
DOLBY
AMS
AMS GAIN
MUTE
37 INSERT
30 SCL
31
25
SDA
32 CRQ
26 RESET
29
40
41
TAPE ON
OSC 1
OSC 2
11
12
XI
XO
70
E2D
68
E2CK
19
TUNER ON
42
CDC-CTL
INDICATOR
D OUT
D IN
CLK
DATA
CLK
POWER
CONTROL
Q231,232
5
6
EEP ROM
IC241
LED
DRIVE
Q81
CDC DATA
IN
Q703
CDC CLK
IN
Q704
CDC DATA
OUT
Q702
POWER
SWITCH
Q911,912
X202
32.768kHz
X201
8MHz
BATT
BATT
BATT
8.5V REG
Q233
TU +B
TU 8.5V
D81
TA 5V
04
TA +B
CN451
3
7
1
4
5
6
8
INSERT
S-CLK
SW+B
SW5V
S-DATA
C-REQ
RESET
POWER
CONTROL
Q450,451
BATT
5V REG
Q452
TA +B
TA 5V
39
CDC
ISO701 (3/5)
16
17
14
13
CDC +B
CDC-CLT
CDC DOUT
CDC DIN
15
CDC CLK
TUNER
SECTION
A
Signal path
: PB
TAPE
MECHANISM
