Block Diagram -Tape Section - Sony WX-C570R Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-2. BLOCK DIAGRAM — TAPE SECTION —
TAPE EQ/DOLBY NR
HP901
PLAYBACK HEAD
FL
L 34
FWD
R-CH
R
RL
L 32
REV
R R-CH
27
RV101
DOLBY
LEVEL
(L-CH)
T E
L 1 3 9 4 2 2 9 6 5 1 3
LOADING/TAPE
OPERATION MOTOR
M904
CAPSTAN/REEL
M
MOTOR
REEL
SENSOR
KEY-ACK
BU5V DETECT
Q561
KEY-ACK
BU5V DETECT
Q562
J501
(REMOTE IN)
04
w w w
.
2
TAPE L-CH MAIN SECTION
SYSTEM CONTROL
IC301
IC501(2/2)
FWD/REV
19 111 F ROUT
MTL/NORMAL
18 113 MTL ON
NR ON
16 114 DOL ON
DOLBY L OUT
EQ 24
NR
MUTE 17 109 TAPE MUTE
AUTO
AMS
14
MUSIC 110 AMS IN
SENSOR
AMS/PLAY 20 112 AMS ON
R-CH
29
(TAPE OPERATION)
EJECT
105 POS0
FF(NOR)
106 POS1
BUS ON 18
107 POS2
REW(NOR) BUS SO 21
108 POS3 BUS SI
20
REV
BUS CKI/O 22
(TAPE DET)
FWD
BU IN 77
SYSRST 17
RESET 90
7
LOADING
2
5 LM EJ
MOTOR
M
DRIVE 4 4 LM LOD
IC321
9
CAPSTAN/REEL
MOTOR DRIVE 6 CM ON
Q324,325
BUFFER 104 REEL
8.5V REG
BATT TA8.5V
Q321–323
RAM BU 55
7 TAPE ON
76 KEY ACK
D565
35 AD ON
LSW701–723
46
I/F+B KEY IN0
47 KEY IN1
D568
78 RC IN1
49 RC IN0
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8
CN951
(BUS CONTROL IN)
Q951
8
6 3
5 2
4 1
7
BUS INTERFACE
IC951
BATT
BATT
1 6 4 3 2
HIGH VOLT
BATT
CHECK
CHECK
Q952
12 9 8 11 10 13
Q491
Q Q
3 7 6 3
D361
D561
D562
SW701
X402
(RESET)
1
5MHz
RESET
IC561
2
BU5V
RAM RESET
IC562
1 OUT VDD 2 BU 5V
u 1 6 3
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2 4
9 9 8
CD SYSTEM CONTROL
FL DRIVE
IC401(2/2)
IC701
FL CE 28 98 FL CE
FL BLK
29 97 FL BLK
19
LINK OFF
FL SO 26 100 FL DATA
FL CKO 27 99 FL CL
LED DRIVE
IC702
Q0
6
LED LCK 60 4 LCK
Q6 11
LED OE
59 17 OE
LED CLK 14 3 CLK Q8
13
LED DATA 13 2 DATA
16
Q11
LED+B
17
UNI SO
67
BUS ON
LSW701,703–712,
717,719–723
16
UNISI
18
UNICKI
1 5 1 5 0 RE IN0 36 8 9 2 4
SW702
66 BUIN
ROTARY
ENCODER
60 RST
RE IN1 37
69 X2
D-BASS
X1
70 KEY IN2 48 SWITCH
SW700
POWER
BATT SWITCH
Q482,483
ILL ON
40
10V REG
BATT
Q473,474
MAIN 3
PON
SECTION
Signal Path
: TAPE
m
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– 36 –
WX-C570R
2
9 9
FL701 FLMT+B
D736–742
LED+B
D732–735
LED
SWITCH LCD+B
Q702–705
LCD+B
D713–716, 730,731,
LSW702,718
9 8 2 9 9
PLAT+B
3V REG
FLMT+B
Q481
LCD+B
POWER
SWITCH LED+B
Q471,472
5V REG
DRIVER+B
Q701