Sony MZ-NH1 User Manual Page 46
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46
MZ-NH1
Pin No. Pin Name I/O Description
194 A7CAL_SW O A7 offset voltage CAL on/off control signal output terminal
195 SI0 I Serial data input from the EEPROM and real time clock IC
196 SO0 O Serial data output to the EEPROM, real time clock IC, A/D converter and power controller
197 SCK0 O Serial clock output to the EEPROM, real time clock IC, A/D converter and power controller
198 XGUM_ON I Rechargeable battery detection switch input terminal
199 BEEP O Beep sound control signal output to the headphone amplifier
200 XOPT_CTL O Power supply on/off control signal output for the optical input jack
201 LAM_REQCHK I LAM power check terminal Not used
202 LAM_SPREQ O LAM force stop request signal output Not used
203
REC_LED
/ACCESS_LED
O REC LED drive signal output terminal
204 MDVCC_CTL O Power supply control signal output for the OP modulation
205 VBUS_VB_CTL O USB power supply control signal output terminal Not used
206 LAM_NAME O LAM name data request signal output terminal Not used
207 DRAM_ALONE O Self-refresh signal output for internal D-RAM
208 XRST_CHG_IC O Reset signal output to the charge controller
209 PD_S0 O Connect to the optical pick-up block
210 PD_S1 O Connect to the optical pick-up block
211 D_ENREG O Enable signal output to the headphone amplifier
212
XMUTE
/MUTE
O Muting on/off control signal output terminal
213 SI1 I Serial data input from the LCD module
214 SO1 O Serial data output to the LCD module
215 SCK1 I/O Serial data transfer clock signal input/output terminal with the LCD module
216 SLD_MON I Sled servo monitoring terminal
217 AOUT_SEL O Headphone/line output switching terminal Not used
218 SLEEP O Chip enable output to the power control IC
219 FFCLR O Power on/off control signal output for FCRAM (internal RAM)
220 CHGI_CTL1 O
Charge current limiter control signal output at the time of AC adaptor use
“L”: limit off, “H”: limit on
221 CHGI_CTL2 O Charge current control signal output terminal “L”: low current charge
222 CHGI_CTL3 O Charge current control signal output terminal “L”: low current charge
223 SLBUSY I Receive signal monitoring terminal for sled command
224 XTEST I Terminal for the test mode setting (normally open) “L”: test mode
225 XRF_RST O Reset signal output to the RF amplifier
226 VREC_SEL O VREC start-up timing control signal output terminal Not used
227 XHOLD_SW I HOLD switch input terminal
228 T_MARK_SW I Track mark switch input terminal Not used
229 XRST2_DET I Reset signal input from the power control IC
230 CHGI_SEL O Charge/discharge control signal output for current sense amplifier
231 RECP_MON I Laser power changeover signal monitoring terminal
232 SPDL_MON I Spindle servo monitoring terminal
233 XCS_PWR_IC O Chip select signal output to the power control IC
234 RXD I Not used
235 TXD O Not used
236 XCS_LCD O Chip select signal output to the LCD module
237 N1_VI_CTL O Constant current circuit control signal output terminal
- 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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