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IC Block Diagrams
IC301 BA3577FS-E2
IC552 TLC372CPW-E20
IC551 MPC17A55FTA
VCC
OUT2
IN-2
IN+2
20
NC
8
7
6
5
54
53
19
NC
RF IN
1
R/F
VCC
18
VCC
RF OUT
2
+B
17
+B
BIAS IN
3
PRE DRIVER
16
NF1
BIAS OUT
4
HI–BRIDGE
15
OUT1
V IN1
5
F12
55
GND
14
R12
1
2
3
4
56
OUT1
IN-1
IN+1
GND
F11
57
V IN2
6
13
OUT2
R11
58
R13
59
PWSTB
F13
60
PWSTB
NF2
R14
61
7
12
F14
62
OE
63
PWSTB T
8
MUTE
BEEP
11
BEEP IN
MUTE
9
VC
MUTE T
10
REN
VREG
64
VREG
65
CONT
IC601 uPD63731GC-9EU
RGND
66
CLPF
67
100
99
98
97 96
95
94
93
92
91
90
89
86
87
86
85
84
83
82
81
80
79
78
77
76
VC
ADIP
ADIP
68
PLL
VC
GND
69
VDD ADC
1
VG
RF
EFM
VREF
2
75
VDD
PLL
VG
70
FE
3
74
DRA3
71
FE
PWM
ABCD
4
73
DRA2
SLEEP UP/DOWN
ABCD
SUBQ/ADIP
DI
72
/POWER SW
DSSP
TE
5
72
DRA1
TE
DECODER
DECODER
VRT1
6
71
DRA0
RF
7
70
DRA4
69
DRA5
VG
VRT2
8
3
4
68
DRA6
FLAG
ADIP
9
67
DRA7
AC LRCK
VRT3
10
AC
66
DRA8
AC WDCK
SECTOR
WDCK
VSS ADC
EFM ACIRC
11
65
DRA10
DECODER
AC BYCK
DECODER
T COUNT
12
64
DRA11
S DATA
AC DATA
DEFECT
13
63
XRAS
8
8
OF TRX
14
62
DRA9
EFM DATA A/B
16
VSS
15
61
XOE2
ECC DATA
8
1
2
NC
16
60
XOE
EBA
12
NC
17
59
XCAS
8
8
WR REQ etc.
NC
18
58
DRD2
5
RD DT ECC
8
NC
19
57
DRD3
VDD
20
SSB CONTROL
56
VSS
ATDT
16
MONITOR I/O etc.
10
TFOUT
21
55
XWE2
XATWE
22
XWE
TROUT
54
DREQ
FROUT
23
53
DRD1
8
XBUSY
24
52
DRD0
FFOUT
CK176
25
51
VDD
ATRAC
CLOCK
DECODER
GENERATOR
26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
– 26 –
IC802 AK93C55AV-L
CS
1
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
PRE DRIVER
PRE DRIVER
PRE DRIVER
SK
2
HI–BRIDGE
HI–BRIDGE
HI–BRIDGE
CONTROL
CONTROL
CONTROL
CONTROL
DI
3
DO
4
1ntOE
36
HIU
ROE
35
HIV
34
HIW
1ntSTB
P11
33
VC
IC901 MPC1830ADTB
32
P12
BIAS
VC
VC
VG
VC
CONTROL
31
VPS2
GND
1
1ntSTB
VRMC
2
30
PO2
VREF
3
VC
VC
VG
GND
29
PS
INM
4
28
PO1
RF
5
DTC
6
27
VPS1
VC
VC
VG
CRST
7
GND
26
XRST
8
3P2
25
9
HOW
VBMON
VC
10
24
VD2
SPCKO
11
HOV
SPCKI
12
23
VG
GND
22
C2L
13
DO or DI
3PI
C1L
14
21
HOU
VB
15
C1H
16
C2H
20
VD
17
VG
18
VG
VG
POWER SW
STEP UP/DOWN
STEP–UP
PRE DRIVER
PRE DRIVER
PRE DRIVER
19
IN
VC
3
4
5
6
7
8
9
10
11
12
14
15
18
13
16
17
– 27 –
NOTE :
• -XX, -X mean standardized parts, so they
may have some difference from the original
VPP
one.
VREF
8
VCC
GENERATOR
• Color indication of Appearance Parts
VPP
Example :
SW
KNOB, BALANCE (WHITE) ••• (RED)
INSTRUCTION
DECODE
ADD
CONTROL
7
PE
DECODER
BUFFERS
• Items marked " * "are not stocked since they
AND
CLOCK
are seldom required for routine service. Some
GENERATION
delay should be anticipated when ordering
EEPROM
these items.
R/W AMPS
2048bit
AND
128 X 16
INSTRUCTION
6
NC
REGISTER
AUTO ERASE
7-1. MAIN SECTION
DATA
REGISTER
5
GND
36
VSTB
BAND GAP
35
XWK1
REFERENCE
34
XWK2
33
XWK3
SYSTEM
32
XWK4
CONTROL
31
FFCLR
30
SLEEP
29
VBSEL
28
CLK
RESET
27
VB2
26
VB1
VB SELECT
25
VBH
OSC1
24
PGND
SPCK
STEP-UP
BUFF
DC / DC
SW
CONVERTER
23
PWM1
22
PWMI
Ref. No.
Part No.
CHARGE
MODE
21
DI
PUMP
SELECT
1
4-212-867-01 PANEL, BOTTOM (GOLD)
SAW
20
DO
1
4-212-867-11 PANEL, BOTTOM (BLUE) (HK)
OSC2
19
VCON
2
4-212-872-01 KNOB, OPEN (GOLD)
2
4-212-872-11 KNOB, OPEN (BLUE) (HK)
3
X-4950-410-1 SLIDER ASSY, OPEN
4
4-963-883-61 SCREW (M1.4), PRECISION PAN
5
4-212-884-01 WINDOW (LED)
6
4-212-885-01 SHEET (LED), ADHESIVE
7
4-212-868-01 BUTTON, CONTROL (GOLD)
7
4-212-868-11 BUTTON, CONTROL (BLUE) (HK)
8
4-212-883-01 KNOB (HOLD) (GOLD)
8
4-212-883-11 KNOB (HOLD) (BLUE) (HK)
9
4-212-882-01 KNOB (MB) (GOLD)
9
4-212-882-11 KNOB (MB) (BLUE) (HK)
10
4-213-653-01 KNOB (AVLS) (GOLD)
10
4-213-653-11 KNOB (AVLS) (BLUE) (HK)
11
4-212-895-01 TERMINAL BOARD (MINUS)
12
4-963-883-21 SCREW (M1.4), PRECISION PAN (GOLD)
12
4-963-883-31 SCREW(M1.4), PRECISION PAN (BLUE) (HK)
13
4-963-883-21 SCREW (M1.4), PRECISION PAN
14
X-4950-413-1 PLATE (L) ASSY, FULCRUM
15
X-4950-578-2 UPPER PANEL ASSY (GOLD)
15
X-4950-579-2 UPPER PANEL ASSY (BLUE) (HK)
16
3-375-114-61 SCREW
– 28 –
SECTION 7
EXPLODED VIEWS
7-2. MECHANISM DECK SECTION
• The mechanical parts with no reference
(MT-MZE55-150)
number in the exploded views are not
The components identified by mark !
or dotted line with mark ! are critical
supplied.
• Accessories and packing materials are given
for safety.
in the last of this parts list.
Replace only with part number specified.
↑
↑
• Abbreviation
Parts color Cabinet's color
HK
: Hong Kong
32
12
18
15
30
19
16 17
20
33
13
26
21
23
22
24
14
34
11
25
12
27
12
31
10
9
28
8
35
7
6
5
36
4
29
3
1
*Note:
2
Use R1001 only with Ver.3.0 of microprocessor (IC801).
Description
Remark
Ref. No.
Part No.
Description
Remark
Using R1001 with other microprocessor versions will cause operating
17
1-670-708-11 SWITCH FLEXIBLE BOARD
errors so be sure to remove it.
You can check the version with Test Mode (page 7).
18
4-213-092-01 LABEL, CAUTION
19
4-212-873-01 LID, BATTERY CASE (GOLD)
Ref. No.
19
4-212-873-11 LID, BATTERY CASE (BLUE) (HK)
20
X-4950-411-1 TERMINAL (PLUS) ASSY, BATTERY
51
21
4-212-886-01 CASE, BATTERY
52
53
* 22
1-670-711-11 AUDIO BOARD
54
* 23
1-670-710-11 SWITCH BOARD
55
24
4-212-901-01 TERMINAL
25
A-3323-057-A MAIN BOARD, COMPLETE
56
26
4-212-871-01 SHEET, BLIND
57
58
27
4-212-870-01 SHEET, INSULATING
59
28
X-4950-419-1 PLATE (R) ASSY, FULCRUM
60
29
4-212-869-01 ESCUTCHEON
30
3-365-630-02 SCREW (M1.4) STEP
31
3-365-630-21 SCREW (M1.4) STEP (GOLD)
31
3-365-630-31 SCREW (M1.4) STEP (BLUE) (HK)
32
4-212-891-01 CUSHION
33
4-214-628-01 SPACER (PLUS TERMINAL)
34
4-214-158-01 DAMPER (-)
35
4-214-183-01 SHEET (G), CONDUCTIVE
36
4-214-627-01 SPACER (BATTERY TERMINAL)
– 29 –
56
57
M902
M901
58
59
53
60
*
54
61
55
R1001
62
52
63
65
64
51
52
The components identified by mark ! or dotted
line with mark ! are critical for safety.
Replace only with part number specified.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
4-982-561-11 SPRING, RACK
61
X-4948-793-1 LEAD SCREW ASSY
4-963-883-61 SCREW (M1.4), PRECISION PAN
62
4-212-899-01 SPRING, THRUST
1-670-707-11 CLV FLEXIBLE BOARD
! 63
X-4949-164-1 OPTICAL PICK-UP BLOCK ASSY
4-963-883-21 SCREW (M1.4), PRECISION PAN
64
4-214-478-01 SHAFT (MAIN)
3-349-825-82 SCREW, PRECISION
65
4-214-207-01 SHEET (OP)
4-212-896-04 HOLDER
M901
8-835-594-02 MOTOR, DC (SPINDLE)
X-4950-414-1 CHASSIS ASSY
M902
1-698-764-21 MOTOR, SLED (SLED) (INCLUDING GEAR)
4-982-555-01 GEAR (A)
R1001
1-216-789-11 METAL CHIP
2.2
5%
1/16W
4-965-893-01 WASHER, GEAR (A) STOPPER
4-986-811-01 SPRING (EJECT), TENSION
– 30 –
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