Sony Walkman MZ-RH1 Service Manual page 49

Pin No. Pin Name
260
XPD_ADC
261
PAUSE_KEY
262 XOPT_CTL
DRAM_VDD_
263
CLR
XDRAMVDD_
264
SEL
265
DRAM_ALONE
DRAMVDD_
266
DISCHG
267
PCB
268 XRST_DISPLAY
269
PC2
270
EX512
271
FS256
272 ADDT
273
LRCK
274
XBCK
275
DIN
276 OSCI
277
OSCO
278
FS512
279
DCLSOUTR
280 DCLSOUTL
281
RMC_DTCK
282
UDP
283
UDM
284 RREF
285
VSENS
286
SUSPEND
287
DTL
288 USBHOLD
289
USBOSCE
290
UOSCI
291
UOSCO
292 FCRAMVDD0
293
FCRAMVSS0
294
FCRAMVDD1
295
FCRAMVSS1
296
FLASHVDD0
297
FLASHVSS0
298 to 302
PE0 to PE4
303
MDVCC_CTL
304
VC3_CTL
305
EL_PWR_CTL
306
EBA1
307
EBA2
308
EBA11
I/O
O Power control signal output to the A/D converter
I Pause key input terminal
O Power supply on/off control signal output terminal for the optical input jack
O Internal D-RAM power supply latch clear signal output for quick mode sleep
O Power supply control signal output terminal for the FCRAM
O Power on/off control signal output terminal for internal D-RAM
O Power supply discharge control signal output terminal for internal D-RAM
- Not used
O Reset signal output to the display driver IC
- Not used
- Not used
O Master clock signal (256Fs=11.2896 MHz) output to A/D converter
I Data input from A/D converter
O L/R sampling clock signal (44.1kHz) output to external A/D converter
O Bit clock (2.8224 MHz) output to the external A/D converter
I Digital audio signal input terminal
I Main system clock input terminal (22.5792 MHz)
O Main system clock output terminal (22.5792 MHz)
O Clock signal (512Fs=22.5792 MHz) output to the headphone amplifier
O PWM modulator signal output to the headphone amplifier (R-CH)
O PWM modulator signal output to the headphone amplifier (L-CH)
I/O TSB master data clock input/output or SSB data input/output with the remote commander
I/O USB data (+) input/output terminal
I/O USB data (-) input/output terminal
I Connection terminal for an external resistor
I Connection terminal for an external resistor
O USB suspend signal output to the power control IC
O USB pull-up resistor connection control terminal
I USB power supply separation signal input from the power control IC
I Not used
I USB system clock input terminal (48 MHz) (for USB oscillation circuit)
O USB system clock output terminal (48 MHz) (for USB oscillation circuit)
- Power supply terminal (FCRAM system)
- Ground terminal (for FCRAM)
- Power supply terminal (FCRAM system)
- Ground terminal (for FCRAM)
- Power supply terminal (for FLASH)
- Ground terminal (for FLASH)
- Not used
O Power supply control signal output terminal for the optical pick-up block
O Power supply control signal output terminal Not used
O EL power supply on/off control signal output terminal
- Not used
- Not used
- Not used
Description
MZ-RH1
49