MZ-R5ST
6-8.
SCHEMATIC DIAGRAM — MD MAIN SECTION (2/3) —
— 52 —
— 53 —
— 54 —
9
1
2
3
4
5
6
7
8
CN8039P
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
CN801 20p
D804
RB731U
Q801
UMD2
RB808
100k
3
4
5
6
7
8
RB802
330k
3
4
5
6
7
8
RB807
1M
3
4
5
6
7
8
RB803
4.7k
3
4
5
6
7
8
RB805
330K
3
4
5
6
7
8
RB804
1M
3
4
5
6
7
8
S810 DBB
C8180.1F
R884
100k
R885
0
R883
100k
100k
R894
1k
R893
1k
R882
R881
470k
25
24
23
22
21
20
8
7
6
5
4
3
2
1
19
18
17
16
15
14
13
12
11
10
9
CN804 25p
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
CN802 22P/STATION
IC803
XC31PNS01AMR
1
2
3
X802
32KHz
S809
CLOCK SET
S808
REC
S823
(OPEN2)
S817 (OPEN1)
X801
12MHz
D803 CL270HR
D803
TAP804
BACK_UP
TAP803
TEST
Q810
2SC4081
5
6
7
4
3
2
8
1
IC807
AK93C45AV-L
5
6
7
4
3
2
8
1
IC804
DS1302
5
6
7
4
3
2
8
1
IC802
RS5RJ29261
S818
S811
L801
47
µ
H
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
77
76
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC801
CXP81960MR
D807
MA728
D806 MA728
D808
HRU0302A
S
Q809
2SK2034
S
Q806
Q806,809,810
KEY ON SWITCH
2SK2034
24
23
22
21
20
19
18
17
16
15
14
13
48
47
46
45
44
43
42
41
40
39
38
37
11
10
9
8
7
6
5
4
3
1
IC811
BU9728AKV
C899
ML621
C831
22
10V
C830
47
6.3V
R831
1M
R830
330k
R825
330k
R803
1M
R865
100
R824
47k
0.50%
R891
150K
0.50%
R890
47K
0.50%
R889
33K
0.50%
R88815K0.50%
R887
10K
0.50%
R886
6.8K
0.50%
R828
470k
0.50%
R829
150k
0.50%
R833 1M
R899 1M
R878 10k
R818
1M
R853
100
R868100k
R821
47k
0.50%
R820
47k
0.50%
R822
47k
0.50%
R806
1M
R857
10k
R867
4.7k
R826
0
R802 330k
R816
330k
R834
1M
R861
1M
R838
47k
0.50%
R836
10k
0.50%
R8734.7k
R817
330k
R856
1k
R877
100k
R842
0
R837
330k
TP8221
TP840
TEST
TP8309
TP8308
TP8307
TP8306
TP8305
TP8304
TP8303
TP8302
TP8301
SP60
LIP_MNT
TP8101
TP8102
TP8103
TP8104
TP8105
TP8106
TP8107
TP833
TP832
TP831
TP8425
TP8424
TP8423
TP8422
TP8421
TP8420
TP8419
TP8418
TP8417
TP8416
TP8415
TP8414
TP8413
TP8412
TP8411
TP8410
TP8409
TP8408
TP8407
TP8406
TP8405
TP8404
TP8403
TP8402
TP8401
TP8202
TP8201
TP8222
TP8220
TP8218
TP8217
TP8216
TP8215
TP8213
TP8212
TP8210
TP8209
TP8208
TP8207
TP8206
TP8205
TP8204
TP8203
TP8018
TP830
MICOM+B
TP8011 HOLD
TP825 OPEN
TP827 REC
TP8109
TP8111
TP8113
TP8115
TP8117
TP8118
TP8320
TP83
TP82
TP908
DGND
TP8165
TP8168
TP828
CLOCK
TP805
DGND
TP826 LED
TP803
TP3102
HP-DATA
TP804
C865 0.01B
C813
0.01
C812
0.01
B
C829 1 B
C827
0.01
B
C851
0.01
B
C833
0.1
F
C814
0.01B
C834
100p
CH
C822
100p
CH
C821
100p
CH
C820
0.01 B
C815 0.01
B
C824
0.1
F
C816
0.1
F
C861
1
B
C862
0.01
B
C826
0.01 B
C825 0.01
B
C819
0.1 F
INTSW {1}
INTSW
PROTECT {1}
PROTECT
PACKIN {1}
PACKIN
RFSW {1}
RFSW
ST1A {1}
ST1A
ST2A {1}
ST2A
REFLECT {1}
REFLECT
FGIN {1}
FGIN
INLS {1}
INLS
L512-1 {1}
L512-2 {1}
TCOUNT {1}
TCOUNT
LDON {1}
LDON
XLAT {1}
XLAT
DQSY {1}
DQSY
SDI1 {1}
SDI1
SDO1 {1}
SDO1
SCK1 {1}
SCK1
SQSY {1}
SQSY
XRST {1,2}
XRST
WRPWR {1}
WRPWR
TX {1}
TX
SENSE {1}
SENSE
XSHOCK {1}
XSHOCK
MODE2 {1}
MODE2
MODE1 {1}
MODE1
+12V {1}
+12V
ST256FS {1}
ST256FS
ADDATA {1}
ADDATA
SDTI {1,2}
SDTI
DOUT {1}
DOUT
DIN {1}
DIN
ABCK {1,2}
ABCK
ALRCK {1,2}
ALRCK
SDO0
ST1B {1}
ST1B
SDI0
ST2B {1}
ST2B
UNREQ {1}
SCK0
2.8V {1}
UGND {1}
ST256FS
DGND {1,2}
ADDATA
SDTI
DOUT
+12V
DIN
FGIN
KEY2
ST2A
ST1A
XLAT
XMICDET
PACKIN
INTSW
AOUTL
AOUTR
KEY3
KEY0
KEY1
ALRCK
ABCK
DQSY
AOUTL {2}
TCOUNT
AOUTR {2}
SDI1
KEY1
KEY0
KEY3
SDO1
DGND {1,2}
SCK1
AUGND {2}
SQSY
RGND {2}
2.8VA {2}
CDTO {2}
REFLECT
KEY2 {2}
KEY2
XMICDET {2}
XMICDET
BEEP {2}
XCS {2}
XPD {2}
ST1B
SDI0
RFSW
ST2B
CDTI {2}
MODE1
AMUTE {2}
MODE2
XLCDRST
CSEVR {2}
SCK2 {2}
XRST {1,2}
DATA {2}
SCK0
EVR {2}
SDO0
LCD_CS
RVCC {2}
C3
C2
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
C1
C0
S20
S0
S7
S1
S6
S2
S5
S3
S4
S4
S3
S5
S2
S6
S1
S7
S0
S8
LCD_CD
S9
C3
XRST
WRPWR
TX
SENSE
LDON
XSHOCK
INLS
PROTECT
S10
C2
S11
C1
S12
S13
S14
S15
C0
S16
S17
S18
S19
S20
XLCDRST
LCD_CS
LCD_CD
XSTATION
L512-2
L512-1
VOL-
VOL+
PLAY MODE
DISPLAY
STOP
REW
PLAY
FF
GND
NC
NC
CSST
KEY0
KEY1
KEY_R
KEY2
KEY1-LINE
KEY£
±
LCD_CD
NC
NC
NC
LI+
LI+
UGND
UGND
2.8V
2.8V
AGND
AGND
LIP_ON
AM3_ON
AM3_MNT
UNREG
UNREG
2.8VA
2.8VA
XPCONT
NV-RAM
UNREG_MNT
EVR_DATA
CS_EVR
ST256FS
REG5V
REG5V
XBCK
LRCK
AMUTE
UGND
UGND
AOUTR
AOUTL
Li+
AGND
AGND
DIN
DOUT
DADATA
ADDATA
CS0
SCK0
SDI0
SDO0
NC
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
S0
C0
C1
C2
C3
MODE2
XAMCN
ST1A
ST2A
ST2B
ST1B
2
1
SCK0
SDO0
SDI0
CS0
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
XRESET
COM3
COM2
COM1
COM0
C/D
XCS
SD
SCK
Vdd
Vss
V3
V2
V1
OSC2
OSC1
NC
NC
DBB2
DBB1
NC
NC
MICDET
XLCDRST
LCD_CS
CLOCK
REAL TIME
V1
SCK
DATA
CS
GND
X2
X1
V2
LX
EXT
VDD
VOUT
VDIN
VDOUT
CE
VSS
CLOCK
OPEN
WP
HOLD
DATA
PROTECT
INLS
XSHOCK
LDON
SENSE
TX
WRPWR
XRST
CLCS
CLSDIO
CLSCK
SDI2
AVLS
DQSY
KEYON
XLAT
PACKIN
INTSW
FGIN
LIMNT(LI+MNT)
KEY3
TEMP
AM3
AVDD
AVREF
AVSS
EXTAL
XTAL
VSS
MRST
MP
LCDON
RFSW
MODE1
RECLED
BATTON
PCONT
KANASEL
DCIN
TEST
SDO2
SCK2
CSNV
AMUTE
PD
CS
NC
VDD
VSS
XT
TEX
REFLECT
SDO1
SDI1
SQSY
BEEP
TCOUNT
SCK1
AVLS
HOLD
VCC
NC
NC
GND
DO
DI
SK
CS
<MICON+B>
<D-GND>
<2.8V>
<U-GND>
<2.8V>
<UMREG>
<2.8VA>
<AU-GND>
25
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
25
26
27
28
29
30
31
32
33
34
35
36
2
12
IC802
IC804
LCD DRIVER
IC811
RESET
SWITCH
1
3
5
4
6
2
REC
IC801
SYSTEM CONTROL
IC807
NORMAL
LIMIT
OFF
ON
MAIN BOARD
(3/3)
MAIN BOARD
(1/3,3/3)
MAIN BOARD
(1/3,3/3)
MAIN BOARD
(3/3)
MAIN BOARD
(3/3)
POWER BOARD
CN805
(Page 73)
SW UNIT
(Page 73)
IC803
THERMAL
SENSOR
DIGITAL MECHA
BASS
0
STATION CN BOARD
CN657
(Page 67)
LCD801
LIQUID CRYSTAL
DISPLAY
MAIN BOARD (2/3)
F
B
G
XMICDET {2}
MAIN BOARD
(1/3,3/3)
MAIN BOARD
(1/3)
MAIN BOARD
(1/3,3/3)
MAIN BOARD
(1/3,3/3)
MAIN BOARD
(1/3,3/3)
MAIN BOARD
(1/3)
MAIN BOARD
(1/3)
MAIN BOARD
(1/3)
16
2.9
1.5
1.8 1.9
2.9 2.9 0.3 1.8 2.9 1.5
1.5
1.4
1.4
1.5
1.5
1.5
1.5
1.5
1.4
1.5
1.4
1.4
1.5
1.4
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2.9
1.0
0
2.8
2.8
2.8
0.1 2.9
2.9
0.2
0
0
0
0
2.8
2.8
2.0
2.9 2.9
2.9
2.9
0.1
1.0
(0)
0.1 2.0 2.8 2.8
2.8 0
1.8 2.6 2.6 0.3 2.8 1.9 0
0
2.9 0.1 0.1
2.6
2.8
2.8
0
0.1
0.1
8.7
0.1(1.6)
0(2.7)
2.2
2.3
0
0
2.9
0
0.2
2.9
0
2.9
0
1.7
2.9
2.9
2.9
2.9
1.3(0.9)
2.6(2.1)
1.4
2.7
2.7
2.7
0.1
0(2.8)
0
0
0.6
2.6(2.2)
2.7
2.8
0
2.7
2.9
2.9
2.9
2.9
0.1
0.1
2.9
0.1
1.8
0
2.9
0
0
0
0 2.9 2.8
2.9
0
2.9(0)
0
1.7
2.8
0.4
0.2
2.9
2.8
0
0
0
6
0
5
1
2
A
B
C
D
E
F
G
H
I
J
K
3
4
5
6
7
8
9
10
11
12
13
14
15
16
5
IC801
$º
6
IC804
2
12MHz
2.3Vp-p
0.8Vp-p
32MHz
•
Waveform
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 4.5 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
no mark : PB
(
) : REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
E
: PB
a
: REC
• Refer to page 75 for IC Block Diagrams.
