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Exploded View & Parts List(Tape Mechanism); Ic Block Diagram & Description - Sanyo MCD-Z120 Service Manual

Cd portable radio stereo cassette recorder

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EXPLODED VIEW & PARTS LIST(TAPE MECHANISM)
TM01
TM03
IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA4227(2-channel AF power AMP)
BS1
VCC
OUT1
12
11
10
Ch1
THERMAL
SHUT DOWN
PROTECTION
STANDBY
SW
Ch2
1
2
3
STANDBY
OUT2
BS2
IC801 LA1828(Single-chip tuner)
TM04
TM02
TM06
NF1
PRE GND
IN1
9
8
7
-
+
BIAS
CIRCUIT
+
-
4
5
NF2
IN2
DC
(FILTER)
TAPE MECHANISM
REF.NO.
PART NO.
645 042 4229 ASSY CASS DECK MECHA,ZY33-V 9T
TM01
645 016 5245 R/P HEAD TC-951,Z120/CA STEREO
TM02
645 009 1612 PINCH ROLLER ARM ASSY
TM03
645 041 7054 MG ERASE,Z120/CA
TM05
TM04
645 009 1766 RF BELT
TM05
645 033 3415 MAIN BELT
TM06
645 025 2617 ASSY,MOTOR
IC201 TA7668BP(Preamprifier)
6
Rre.IN
NF.
Pre
7
Pre.IN
ALC
8
ALC
Pre.IN
10
Pre
Pre.IN
11
NF.
9
Rec.
6
DND
U0201 LA6541D(4-channel Bridge Driver)
Vcc
Vref
VIN4
24
23
22
11k
Level
Sift
Level
Sift
11k
1
2
3
Vcc
Mute
VIN1
- 8 -
DESCRIPTION
Rec.
Pre.OUT
OUT
Mute
& Rec.IN
ch
OUT
1
5
4
3
Rec
DET
Rec
12
13
14
Pre OUT
Rec.
Mute
& Rec.IN
OUT
OUT
VG4
Vo8
Vo7
GND
Vo6
21
20
19
18
Vcc
BTL
BTL
Driver
Driver
BTL
BTL
Driver
Driver
4
5
6
7
VG1
Vo1
Vo2
GND
Vo3
(Only initial)
Mute
IN
15
Vcc
16
2
Vs.
1
Rec.
DND
Vo5
VG3
VIN3
CD
RES
17
16
15
14
13
11k
Level
RESET
Sift
Level
Regulator
Sift
11k
8
9
10
11
12
Vo4
VG2
VIN2 Reg OUT Reg IN

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