Sony MZ-R90 Analog PCLink Service Manual - Page 28
Browse online or download pdf Service Manual for Stereo System Sony MZ-R90 Analog PCLink. Sony MZ-R90 Analog PCLink 50 pages. Portable memory stick audio player / portable minidisc recorder / portable cd player
Also for Sony MZ-R90 Analog PCLink: Operating Instructions Manual (20 pages), Specification Sheet (2 pages), Limited Warranty (1 pages)
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IC603 MPC18A20MTAEL
30
29
28
27
OP
1
2
3
4
IC605 XC6367B103MR
SLOW
START
REFERENCE
VOLTAGE
VDD
PHASE
COMPARATOR
VOUT
1
–
+
VDD
2
CHIP
CE
3
ENABLE
26
25
24
23
CHARGE PUMP
PRE DRIVER
COMP
+
CLK
SAW
VREF
PRE
COMP
DRIVER
6
8
5
7
VLX
LIMITER
PWM/PFM
BUFFER
CONTROL
OSC 100kHz
22
21
20
19
18
CLK
SAW
OSC
SAW
GEN
EFM
LOGIC
9
10
12
11
13
IC803 XC6383C301MR
CE
1
2
VOUT
5
EXT
NC
3
4
GND
IC902 RN5RG25AA-TR
GND
1
VDD
2
VOUT
3
– 44 –
17
16
CONTROL
LOGIC
EN
ENB
BIAS
VREF
15
14
CHIP
ENABLE
VDD
VREF
VLX LIMITER
BUFFER
+
2STEP PFM CONTROL
–
OSC 100/180kHz
+
–
5
VREF
–
4
+
LX
5
4
VSS
CE
EXT