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Q Q
3 7 6 3 1 5 1 5 0
7-1. BLOCK DIAGRAM
TAPE MECHANISM ASSY
CMAL2Z720A
L
REC/PB HEAD
R CH
R
IC101
3
1
P
HRPE101
ERASE BIAS
ERASE HEAD
X
T E
L
1 3 9 4 2 2 9 6 5 1 3
CAPSTAN
M
MOTOR
RV362
TAPE
SPEED
SOLENOID
CRO2
PACK
FREC
PREC
PLAY
LOADING
M
MOTOR
OUT SW
IN SW
w w w
S911 S910
09
A
.
M L
+7V
-7V
16
21
50
VCC
VEE
PB-A/B
70
48
120
46
RV211
IC201
PLAYBACK
RV401
LEVEL
REC LEVEL
EQ OUT
EQ IN
36
38
RV311
REC
BIAS
R
4
REC/PB
T501
Q502,503
REC BIAS
+7V
Q501
BIAS
OSC
-7V
27
TC-RELAY
Q601,602
+MTR
MOTOR
17
+MTR
DRIVE
+12V
Q603,604
SOL
29
+SOL
DRIVE
+12V
38
PACK
39
B-HALF
28
PLAY SW
33 40
SENSOR OUT
IC601
MOTOR DRIVE
10
OUT 2
IN 2
6
37
LOAD OUT
LOAD IN
2
OUT 1
IN1
5
36
LOAD OUT SW
35
34
LOAD IN SW
x
a o
y
S909
S908
S907
S906 S905
S904 S903
S902
l m
S
H
h
DOLBY NR
CD SYNC
i
REC
s
DIRECTION
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8
AMS
IC401
DDOLBY NR
28 27
26
MS
PAS
PB OUT
40
LM ON/
TC.M
DOL
25
OFF
DOLBY NR
NORM/
18
HIGH
DOLBY
NR ON/
23
OFF
REC.PB.P
24
PB
REC OUT
DOLBY
39
LIN
TYPE B
43
BIAS ON/OFF
BIAS
BIAS SW
20
REC.M
RM ON/OFF
22
B NORM/CROM/
ALC
ALC ON/OFF
22
METAL
33
19
AMS
Q
Q
AMS IN
8
3
7
6
3
TC.M
TC-MUTE
32
DOLBY
DOLBY
7
REC.PB.P
PASS/PB/REC
30
BIAS
BIAS
16
REC.M
REC MUTE
31
ALC
ALC
33
IC701
SYSTEM
CONTROL
I2C-DATA
14
I2C-CLK
13
6
DOWN
1
VCC
RESET
18
41 42
24
25
26
23
22
Q701-705
LED DRIVE
S901
z REC
u 1 6 3
D911
D912
D913
D914
D915
S
H
h
CD SYNC REC
.
z REC
15
15
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2
4
9
9
8
CN701
5
R-CH
1
6
8
R-CH
AGND
3
7
DGND
13
MGND
18
1
5
1
5
0
8
9
2
4
14
12
11
IC603
+5V
+5V
3
1
19
REG.
IC602
+12
+12V
3
1
REG.
IC604
+7V
+7V
3
1
17
REG.
IC605
-7V
-7V
3
2
16
REG
IC702
D603
3
RESET.
1
15
• R-ch is omitted due to same as L-ch.
• Signal Path
: PB
: REC
m
c o
TC-SP55
2
9
9
TC-L
TC-R
REC-L
REC-R
AGND
AGND
DGND
SYSTEM
CONTROL
MGND
3
(FROM ST-SP55)
9
8
2
9
9
I2C-DATA
I2C CLK
PDOWN
+UNREG(H)
+UNREG(L)
-UNREG(-)
D+5.6V
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