Schematic Diagram - Main Section (2/7) - Sony Walkman MZ-RH1 Service Manual

MZ-RH1
6-5. SCHEMATIC DIAGRAM – MAIN Section (2/7) –
HR601 W682
OVER WRITE
W681
HEAD
CL601
(VREC)
TP601
FB681
A3
A2
A1
(Page 25)
A4
A5
(Page 25)
D1
D3
(Page 28)
D11
D8
D4
D5
D7
D6
D9
D2
3.3V_REG
1.5V_DVDD
1.5V_AVDD
(Page 30)
+1.5V REGULATOR
BH15PB1WHFV-TR
(Page 27)
C1
D10
(Page 30)
MZ-RH1
See page 36 for IC Block Diagrams.
(2/7)
Q682
MCH6617-TL-E R682 D685 BUFFER
S S 470k BAT54XV2T1
IC681
SN74LVC541ARGYR
FB683
-1 -2
C684
0.047 O7
D681
BAT54XV2T1 FB684 O6
D683 D684 O5
R681 MA22D1700LS0 MA22D1700LS0
470k FB685 O4
O3
C681
0.047 FB686 O2
O1
D682 MA22D1700LS0
D686 O0
C682 MA22D1700LS0
0.01 XOE2
CL683
VCC
C691
100p C690 C686
-1 -2
100p 0.1
S
CL681 FB692
C685
10
Q681
6.3V
CPH5614-TL-E
Q681,682
OVER WRITE HEAD DRIVE
Q612
2SK354700LS0
S
Q612,613 R650
0
WAKE UP SWITCH USB_WAKE
Q613
R652 R651
2SK354700LS0
1M S 470k
R653 R637 Q608,609
0 1M
OSC B+ SWITCH
Q608
MTM232230LS0 R639
220k
-2-1
Q609
R641 RT3WLMM-TP-1F R601
S 470k 22
R640 470k REG5_OSC
Q610,611
B+ SWITCH
R644
Q610 220k
XRST2
MTM232230LS0
R643 Q611
470k RT3WLMM-TP-1F
-1
S
-2
R642 R645 R646
100k 470k 470k
D601 R603
MA2SD3100LS0 220
+3.3V REGULATOR
IC606 IC607
BH33PB1WHFV-TR
R647
100k
C647
1
R648
47k
C652 C646 C653 C649
0.01 1 0.01 1
C687 CL671
0.1
GND
I7
CL688
I6
I5
CL689
I4
I3
CL690
I2
I1
CL691
I0
XOE1
DRIVE SELECT
IC682
SN74LVC157ARGYR
CL670
CL696
CL697
R610
1
USBHOLD
CL612
RST OUT R602 22k
C601 2.2
C608 0.1
D603
MA2SD32008S0
REG4_DVDD C604 22 6.3V
C609 0.1
C605 22 6.3V
LIME SLEEP C606 22 6.3V
RST CONT R604 470k
R605 1M
D604
MA2SD32008S0
C610
0.1
REG5 REG
SUSPEND C611 0.1
D605 MA2SD32008SD
REG5 TSBV C612 0.1
C613 1
2.1VREG_IN
D607
D602
MA2SD32008S0
MA2SD32008S0
D608
C607
MA2SD32008S0
0.1
R606
2.2M
C603 R608 C614
0.01 10k 0.022
Q601
NTHC5513T1G
B+ SWITCH
S
S
C617
C616 47
1 6.3V
C650
1
C615
L601
10
10 H
10V
R649
470k
26 26
+1.2V REGULATOR
IC605
BH12PB1WHFV-TR
STBY/CE
SEL
GND
VIN
VOUT
+1.5V REGULATOR
IC608
XC6213B152NR
R658
1M
R657 C642 R624
CE
VDD 0 1 1M
GND
VOUT
R656 C629
0 0.1
USBDVDD_HI REG F
C627
0.1
R654
0
NC_A12
HOLD_OUT
RST_OUT
PVBUS WAKEC
CRST
DVDD_IN VBUS_DET
DVDD_OUT VBUSREF
HOLDC
OSC_OUT
SLEEP_IN
RST_IN POWFB
PGND2
OVER WRITE HEAD DRIVE,
REG_IN POWER CONTROL
IC601
REG_OUT VBUSSEL
SC901585VAR2
SUS_IN
PGND2 POWP2
CSP(Chip Size Package)
TSBV_IN
TSBV_OUT
V33R
PGND1 POWP1
VSTB_IN
VSTB_OUT
BATSEL
V33RO
RF1
INM1
DTC1
VREC
CL607
CL603
CL602
C618 C621
0.01 0.01
VOLTAGE DETECT
IC602
XC61CN1702NR
VSS
VOUT
VIN NC
OR GATE
IC604
TC7SL32FU(TE85R)
R629
220
GND
VCC
CL624 XCS_REC_USB
LATCH
C639
XWK0
4.7
VBUS
V33UO
CL625 VBUS_DET
C633
L5_2
4700p
L604
PGND5
100 H C634
22
PGND5
10V
R635 C635
L5_1 CL626
0 4.7
PGND5
CLM
R622 R623 R626
10 1 1
INP3 CL619
INP2
CLP
L603 R630
4.7 H
2.2
VPDRV
R631
RF2
2.2M
R627
DTC2
1k
INM2
C631
INM3
0.01
DTC3 CL628
RF3 CL629
D610
NC_M1 CL630
NSR0320MW2T1G
Q606
RTQ035P02TR
B+ SWITCH
R634
1M
Q604
2SC5383-TP-1F R615
100k
B+ SWITCH VBUS_VB_CTL
CONTROL
R616 470k
USBHOLD2
R617
22k
R613 R614 Q603
470k 100k 2SC5383-TP-1F R612
470k
VBUS DETECT