Schematic Diagram - Md Main Section (3/3) - Sony MZ-R5ST Service Manual

MZ-R5ST
6-8. SCHEMATIC DIAGRAM — MD MAIN SECTION (2/3) —
• Refer to page 75 for IC Block Diagrams.
1 2 3 4
A
MAIN BOARD (2/3)
XMICDET {2}
INTSW
INTSW {1}
PROTECT
PROTECT {1}
PACKIN
PACKIN {1}
RFSW
RFSW {1}
ST1A
ST1A {1}
ST2A
ST2A {1}
MAIN BOARD REFLECT
REFLECT {1}
B
FGIN
(1/3)
FGIN {1}
INLS
INLS {1}
L512-1 {1}
L512-2 {1}
TCOUNT
TCOUNT {1}
LDON
LDON {1}
XLAT
XLAT {1}
DQSY
DQSY {1}
SDI1
SDI1 {1}
SDO1
SDO1 {1}
SCK1
SCK1 {1}
SQSY
SQSY {1}
C MAIN BOARD XRST
XRST {1,2}
(1/3,3/3) WRPWR
WRPWR {1}
TX
TX {1}
SENSE
SENSE {1}
XSHOCK
XSHOCK {1}
MAIN BOARD
(1/3)
MODE2
MODE2 {1} <AU-GND>
MODE1
MODE1 {1}
<2.8VA>
+12V
+12V {1}
ST256FS
ST256FS {1}
ADDATA <UMREG>
ADDATA {1}
MAIN BOARD
SDTI <2.8V>
SDTI {1,2}
D (1/3,3/3)
DOUT
DOUT {1}
MAIN BOARD
DIN
DIN {1}
(1/3)
ABCK
ABCK {1,2}
MAIN BOARD
ALRCK
ALRCK {1,2}
(1/3,3/3)
ST1B
ST1B {1}
ST2B
ST2B {1}
MAIN BOARD
UNREQ {1}
(1/3)
2.8V {1}
<U-GND>
UGND {1}
MAIN BOARD
DGND {1,2}
(1/3,3/3)
E
<2.8V>
<D-GND>
F DQSY
MAIN BOARD
AOUTL {2} TCOUNT
(3/3) AOUTR {2}
SDI1
SDO1
MAIN BOARD DGND {1,2}
SCK1
(1/3,3/3)
AUGND {2}
SQSY
RGND {2}
2.8VA {2}
CDTO {2}
REFLECT
G
TP804
KEY2
KEY2 {2}
R817
330k
XMICDET
XMICDET {2}
TP803
MAIN BOARD
BEEP {2}
(3/3)
XCS {2}
XPD {2}
ST1B
ST2B R8734.7k
CDTI {2}
AMUTE {2}
CSEVR {2}
H R833 1M
SCK2 {2}
MAIN BOARD
(1/3,3/3) XRST {1,2}
DATA {2}
EVR {2}
MAIN BOARD
(3/3)
RVCC {2}
R837
330k
I
IC807
NV-RAM
C826
IC807 0.01 B
AK93C45AV-L
2.9
R838 R836
47k RB803
10k
2.8 0.50% 4.7k
0.50%
Q810
0
0
2SC4081 3 4
0
J 2.8
0 5 6
0.1 2.9
R861
7 8
1M 0.2
S
Q809
2SK2034 R834
2.8
1M
0
C862
Q806 C861
1 0.01 Q806,809,810
2SK2034
KEY ON SWITCH
B B
16
K
— 52 —
5 6 7 8
IC803
THERMAL
S810 DBB
SENSOR
DIGITAL MECHA
IC803
BASS
TP831 XC31PNS01AMR
2
TP832
1
TP833
1 2 3
2.8 1.7 0
0
C833
0.1
F
SP60 R828
LIP_MNT 470k
0.50%
R829
150k
0.50%
+12V
<MICON+B>
R820
R822
47k 47k
3 4 0.50% 0.50%
5 6
KEY3
7 8
KEY0
KEY1
RB802 R821 TP827 REC
R806
330k R865 C821 47k
1M S808
100 100p 0.50%
REC
CH
C824 C822 C834
R856 0.1 C8291 B
100p 100p
1k F CH CH
0 2.9 2.8
0 0 0(2.8) 0.1 2.7 2.7 2.7 1.4 2.9 2.9 2.9 2.9 1.7 0 2.9 2.9
R868 100k
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
S809 TP828
CLOCK
CLOCK SET
0
76 TCOUNT AVSS 50
0.6
77 SDI1 KEY_R 49
2.6(2.2) 0
78 SDO1 NC 48
2.7
79 SCK1 NC 47
2.8
80 SQSY NC 46
0
81 SCK0 45
BEEP
2.9
82 SDO0 44
2.7 0.2
X801
83 REFLECT 43
SDI0
0
84 TEX CS0 42
IC801 2.9
85 XT EXTAL 41
0
86 VSS SYSTEM CONTROL XTAL 40
5 12MHz
2.9 0
87 VDD VSS 39
2.9
C816 TP805
88 NC MRST 38 0.1 F DGND
2.9
IC801
89 CS MP 37 2.9(0)
2.9 CXP81960MR
90 PD LCDON 36
0 0
RFSW
91 ST1B RFSW 35
0 2.3
MODE1
92 ST2B MODE1 34
0.1
2.2 TP826 LED R867
MODE2
93 AMUTE MODE2 33
4.7k
XLCDRST 0(2.7)
94 XLCDRST RECLED 32
2.9 0.1(1.6)
95 CS_EVR BATTON 31
0 8.7 D803 CL270HR
96 CSNV PCONT 30
0.1 0.1
97 SCK2 XAMCN 29
2.9 0.1
98 NC KANASEL 28
0.1
0
99 SDO2 DCIN 27 D803
REC RB805
LCD_CS 2.8
100 LCD_CS TEST 26 330K
1.8
TP840
2.8 TEST R857
0.1
10k
C851
3 4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
0.01
2.6 TP8018 5 6
TP3102 B
2.9 1.0 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
R826 HP-DATA (0) R899 1M 7 8
0
D804
RB731U
R802 330k
TP8011 HOLD
TAP803
TEST
R816
330k TP825 OPEN
R877
100k
RB804
1M
R818 S811 S818
1M AVLS HOLD
R842
3 4 NORMAL OFF
0
5 6
7 8
LIMIT ON
9 10 11 12
IC802
RESET
C831
22
D808
10V TP908
HRU0302A
DGND
2.9
C830
47
6.3V
IC802
RS5RJ29261 TP830
MICOM+B
2.9 2.9
6
D806 MA728
R853
100
2.8
2.8
1 V2 V1 8
0.4 0
C814 2 7
TP82 X1 SCK
0.2 2.0
0.01B
3 6
X2 DATA
TP83
4 GND CS 5
X802
32KHz 0
IC804
DS1302
C813
IC804
0.01
REAL TIME
CLOCK
C865 0.01B
2.9
3 1
5
2
0
4 6 Q801
2.9 2.8 UMD2
SWITCH
C812
0.01 B
XLCDRST
LCD_CS
LCD_CD
— 53 —
13 14 15 16
CN801 20p
TP8320
1
XPCONT
2 2.8VA
TP8118
3 2.8VA
TP8117
4 AGND
5
AGND
TP8115
6
2.8V
7 2.8V
TP8113
8 UGND
9 UGND
TP8111 F
10
UNREG
11 UNREG
TP8109
POWER BOARD
12 LI+
CN805
13 LI+
(Page 73)
TP8107
14
L512-1
TP8106
15
AM3_MNT
TP8105
16 AM3_ON
TP8104
17 LIP_ON
TP8103
18 KEY £±
TP8102
19
KEY1-LINE
TP8101
20 L512-2
CN802 22P/STATION
TP8201
SDO0
1
SDO0
TP8202
SDI0
2
SDI0
TP8203
SCK0 3
SCK0
TP8204
4
CS0
ST256FS TP8205
5
ST256FS
TP8206
ADDATA
6
ADDATA
SDTI TP8207
7 DADATA
TP8208
DOUT 8
DOUT
DIN TP8209
9
DIN
TP8210
10 B
AGND
11
AGND
TP8212
AOUTL 12
AOUTL STATION CN BOARD
AOUTR TP8213
13 CN657
AOUTR
TP8215
14 (Page 67)
UGND
15 UGND
TP8216
16 AMUTE
TP8217
ALRCK 17
LRCK
ABCK TP8218
18 XBCK
TP8220
19 REG5V
20 REG5V
TP8221
21
XSTATION
TP8222
22
Li+
CN8039P
TP8301
1
FF
R886 TP8302
2 PLAY
6.8K
R888 15K0.50% TP8303
0.50% 3 REW
G
TP8304
4
STOP
R887
TP8305
10K 5
VOL+ SW UNIT
0.50%
TP8306
6 VOL- (Page 73)
TP8307
7 DISPLAY
TP8308
8
PLAY MODE
9
GND
R891 TP8309
SDI0 150K
0.50%
SCK0
SDO0
CN804 25p
C3 TP8401
1
C3
C2 TP8402
1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.4 1.5 1.4 2
C2
C1 TP8403
3
36 35 34 33 32 31 30 29 28 27 26 25 C1
C0 TP8404
4 C0
TP8405
1.5 S0 5
S0
S7
S1 TP8406
37 SEG20 SEG7 24 6 S1
1.4
S6
38 23 S2 TP8407
SEG21 SEG6 7 S2
1.5
IC811 S5 TP8408
39 SEG22 22 S3
SEG5 8
1.4 S3
LCD DRIVER S4 TP8409
40 SEG23 21 S4 9 LCD801
SEG4 S4
1.5
S3 S5 TP8410 LIQUID CRYSTAL
41 SEG24 SEG3 20 10
1.5 S5 DISPLAY
IC811 S2
42 19 S6 TP8411
SEG25 SEG2 11
1.5 S6
BU9728AKV S1
43 18 S7 TP8412
SEG26 SEG1 12
1.5 S7
S0
44 SEG27 17 S8 TP8413
SEG0 13 S8
1.5
TP8414
45 SEG28 XRESET 16 S9 14
2.9 S9
C3
S10 TP8415
46 SEG29 COM3 15 15
1.4 S10
C2
47 S11 TP8416
SEG30 COM2 14 16
1.4 S11
C1
48 SEG31 COM1 13 S12 TP8417
17
S12
TP8418
S13 18
1.5 S13
S14 TP8419
19
2 S14
1 3 4 5 6 7 8 9 10 11 12
S15 TP8420
1.5 20
S15
1.8 1.9 1.0 0 2.9 2.9 0.3 1.8 2.9 1.5 C0
S16 TP8421
21
S16
S17 TP8422
22 S17
TP8423
S18 23
S18
R884 S19 TP8424
24
100k S19
TP8425
S20
25 S20
— 54 —
• Waveform
5
IC801 $º
2.3Vp-p
12MHz
6
IC804 2
0.8Vp-p
32MHz
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 / W or less unless otherwise
4
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 MΩ).
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