Sony MZ-NH1 User Manual Page 21
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MZ-NH1
2121
MZ-NH1
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM – MD SERVO Section –
8
48
47
40
41
42
23
9
35
21
32
33
7
56
1
54
55
50
51
52
49
15
14
18
19
IY
VREF
OPTICAL
PICK-UP
BLOCK
(ABX-U)
HR601
OVER
WRITE
HEAD
D
D_C
PD_I
PDO_SOURCE
C
B
A
VREF10
A_C
JY
JX
IX
IY
RFO
PEAK
BOTM
ABCD
FE
TE
ADFG
PD-NI
VREF09
SBUS
SCK
S-MON
XRESET
RF AMP, FOCUS/TRACKING ERROR AMP
IC501
M703
OVER WRITE
HEAD
UP/DOWN
17
IX
JX
JY
A
B
C
D
S0
S1
L2
TRK+
FCS+
FCS–
FCS+
FCS–
TRK–
TRK+
TRK–
101
106
107
108
109
114
153
110
225
113
252
209
210
251
142
77
84
82
60
62
169
170
164
165
166
160
232
168
167
172
216
157
156
154
155
16
15
27
28
162
163
26
41
42
43
1
2
4
47 46 45
48 238
24
39
25
11
13
32
30
35
8
6
37
23
56
55
18
19
28
17
182
IIN
PD_BUF
20
F
OVER WRITE
HEAD DRIVE
Q601, 602
MM
HB
OUTA
OUTB
CLK
EFM
EFMO
OVER WRITE HEAD DRIVE
IC601 (1/2)
RFI
TO IC801 (2/3)
(AUDIO SECTION)
145 V IN
PEAK
BOTM
ABCD
FE
TE
ADFG
VC
XRF_RST
SE
SSB_CLK
PD_S0
PD_S1
SSB_DATA
38
45
OFTRK
VC
123
180
VREF_MON
OFTRK
APCREF_DA
SYSTEM CONTROLLER,
DIGITAL SIGNAL PROCESSOR
IC801 (1/3)
A
CLK
SLCU
SLCV
SPCU
SPCV
SPCW
SLD MON U
SLD MON V
CLV MON U
CLV MON V
CLV MON W
SPRD
SPDL_MON
SLDW
SLDV
SRDR
SLD_MON
FRDR
FFDR
TRDR
TFDR
SPDV
SPDW
XRST_MTR_DRV
RI1
FI1
RI2
FI2
WI2
VI2
UI2
VI1
WI1
CPWO2
CPVO2
CPUO2
SLD MON W
SLD MON V
SLD MON U
OE
UI1
PWM1
FO2
FCS–
FCS+
TRK–
TRK+
COM2
WO1
CPVI2
WO2
CPUI2
CPWI2
CPUI1
CPVI1
CPWI1
COM1
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
IC701
M701
(SPINDLE)
11
RF_IY
10
RF_IX
26
CLK
174 FS256_OUT
PLSE_XDC
CONT
254
272
LDPEN
XLSRCK
158
FS4
52 53 54
CPWO1
CPVO1
CPUO1
CLV MON W
CLV MON V
CLV MON U
15944 SFDR
PWM2
28922 HI_Z_SLO
ZI2
29021 HI_Z_SPDL
ZI1
63
175
EFM_CLK
CHOPPERCLK
56
245
LATCH
XCS_REC_DRV
69
HBB
78
HA
70
HAB
U
WV
M702
(SLED)
U
WV
171SLCW
SLD MON W
161 S PF D
NPPO
43
ADIP_IN
39
13
RF_JX
12
RF_JY
RF BUFFER
Q504
• SIGNAL PATH
: PLAYBACK
: REC
L2 B+
L1
L1 B+
VCC
REG3 B+
PVCC
REG2 B+
MVCC
MDVCC
UO2
UO1
VO1
VO2
RO2
FO1
RO1
(Page 23)
- SERVICE MANUAL 1
- On power sources 2
- SECTION 1 4
- SERVICING NOTES 4
- SECTION 2 5
- Looking at controls 5
- SECTION 3 7
- DISASSEMBLY 7
- 3-4. UPPER PANEL SUB ASSY 8
- 3-3. MAIN BOARD 8
- 3-5. CONTROL ORNAMENT BLOCK 9
- 3-6. MECHANISM DECK ASSY 9
- (MT-MZNH1-181) 9
- 3-8. OP SERVICE ASSY 10
- OP service assy 10
- 3-7. GEAR (BSA), GEAR (SB) 10
- SECTION 4 12
- TEST MODE 12
- 000 13
- *** 14
- $$$$$$ ## 15
- 888 15
- SET OK ## 15
- 11* 15
- 130 16
- 131 16
- SetTmp ** 16
- 211 17
- VC1 ** 17
- 111 18
- LrefPw ** 18
- 113 19
- DistF ** 19
- X key to resume clear 20
- SECTION 6 21
- DIAGRAMS 21
- (Page 22) 23
- (Page 21) 23
- • Waveforms 24
- (Page 27) 29
- (Page 25) 29
- (Page 28) 29
- (Page 31) 29
- (Page 26) 29
- (Page 33) 30
- MAIN BOARD (COMPONENT SIDE) 34
- : Uses unleaded solder 34
- • Semiconductor 34
- Location 34
- MAIN BOARD 35
- • IC Block Diagrams 36
- IC301 AK5356VN-L 36
- C351 CXD9811K 36
- IC401 MM1655LCBE 36
- IC501 SN761059ZQLR 37
- IC601 SC901585VAR2 38
- IC602 R1160N121B-TR-FA 38
- IC701 SC901583EPR2 39
- IC871 R2061K01-E2 39
- IC891 AK6514CN-L 40
- IC901 SC901584EPR2 41
- IC902 XC62HR5502MR 41
- • IC Pin Function Description 42
- VSS_0 to VSS_2 43
- HALF_LOCK_ 44
- SW /OPEN_SW 44
- 176 to 179 45
- CHG_OPR_LED 47
- XCS_REC_DRV 47
- TIGER_MON0 to 47
- TIGER_MON9 47
- 321 to 325 48
- SECTION 7 49
- EXPLODED VIEWS 49
- MAIN board 50
- 7-3. MECHANISM DECK SECTION 51
- SECTION 8 52
- ELECTRICAL PARTS LIST 52
- (SPM-04101) 60
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