Schematic Diagram - Main Board (5/8) - Sony HCD-DZ20 Service Manual

Q Q
6-12. SCHEMATIC DIAGRAM – MAIN BOARD (5/8) –
3 7 6 3 1 5 1 5 0
MAIN BOARD (5/8)
NSP_MUTE
SOFT_MUTE
PGMUTE
SCDT
SHIFT
LAT2
R3021
470
R3022
TP3021 470 3.4 OVF
FLAGL
TP3022
SFLAG
3.3
INIT
INIT
MCKSEL
R3023 100 1.7
ALRCK
LRCK
R3024 100 1.7
ABCK
BCK
0
DATA2
T E
L 1 3 9 4 2 2 9 6 5 1 3 DATA
C3026
0.1
3.4
BFVDD
BFVSS
TEST
C3027 0.1
1.8
DVDD
1.7
ACLK
XFSIIN
R3026 100
TP3023
w w w
HCD-DZ20
• See page 46 for IC Block Diagram.
C3025 C3024
0.1 0.1
VSSL
R3251
1.7 100
OUTL1
3.4 C3023 0.1
VDDL
R3252
100
IC3020 1.7
OUTL2
SYSTEM PROCESSOR VSSL
VSSR R3201
1.7 100
OUTR1
IC3020 C3022
0.1
3.4
CXD9843AR
VDDR
R3202
1.7 100
OUTR2
VSSR
VSUBC
XVSS
C3030
0.1
C3029
0.1
x a o
y
. i
http://www.xiaoyu163.com
8
22
MAIN BOARD
(4/8) (Page 36)
C3251
1
IC3250
CXD9774M
IC3250
12.0
GND GREG
POWER DRIVER
12.0
1.7
PWM_BP GVDD
GND PVSS
C3261
3.3 22.0
0.033
/RST BST_B
R3254
0 21.8
0 DREG
C3252 C3259 C3260
PVDD_B
RTN
0.1 0.22 0.22
21.8
11.9
GREG PVDD_B
0 10.9
M3 OUT_B
C3253
3.4 10.9
0.1
DREG OUT_B
DGND PVSS
0
M1 PVSS
R3257
3.4 10.9
1k
C3254
M2 OUT_A
0.1
3.4 10.9
C3257 C3258
DVDD OUT_A
0.22 0.22
21.8
3.4
/SD PVDD_A
R3259
21.8
0
RESV PVDD_A
22.0
C3266
/OTW BST_A
C3256 1000
25V
0.033
GND PVSS
1.7 12.0
PWM_AP GVDD
12.0
GND GREG
C3255
1
IC3200
C3201
CXD9774M
1
Q Q IC3200
12.0 3 7 6 3
GND GREG
POWER DRIVER
12.0
1.7
PWM_BP GVDD
GND PVSS
C3211
3.3 22.0
0.033
/RST BST_B
R3204 21.8
0
0 DREG
C3209 C3210
C3202 PVDD_B
RTN
0.22 0.22
0.1
11.9 21.8
GREG PVDD_B
10.9
0
M3 OUT_B
C3203
3.4 10.9
0.1
DREG OUT_B
DGND PVSS
0
M1 PVSS
R3207
3.4 10.9
1k
C3204 M2 OUT_A
0.1
3.4 10.9
C3208
DVDD OUT_A C3207
R3209 0.22 0.22
3.4 21.8
0
/SD PVDD_A
21.8
RESV PVDD_A
22.0
C3216
/OTW BST_A
C3206 1000
0.033 25V
GND PVSS
12.0
1.7
PWM_AP GVDD
12.0
GND GREG
C3205 1
23
MAIN BOARD
(6/8) (Page 38)
u 1 6 3
.
37 37
http://www.xiaoyu163.com
2 4
9 9 8
L3252
10uH
R3262
3.3
C3265 R3274 R3275
R3273
Q3252
1 10k 100k
10k
2SA1235TP-1EF
DC DETECT
10.8
C3271
R3277
2.2
100k
0
10.8
10.8
R3261 R3276
C3264 R3272 Q3251
R3271
3.3 1 10k 100k
10k 2SA1235TP-1EF
10.8
DC DETECT
0
L3251
10uH
1 5 1 5 0 8 9 2 4
L3202
10uH
R3212
3.3
C3215
R3223 R3224 R3225
Q3202
1
10k 10k 100k
2SA1235TP-1EF
DC DETECT
10.8
C3221
R3227
100k 2.2
10.8 0
10.8
R3211
C3214 R3221 R3222 R3226
Q3201
3.3
1 10k 10k 100k
2SA1235TP-1EF
10.8
DC DETECT
0
L3201
10uH
REAR LCH+
REAR LCH-
REAR RCH+
REAR RCH-
FRONT LCH+
FRONT LCH-
FRONT RCH+
FRONT RCH-
m
c o
HCD-DZ20
2
9 9
18
9 8 2 9 9
C3222 C3272
0.01 0.01
C3223 C3273
0.01 0.01
TB3001
L3014
JL3204
0.6uH 8
L3004
JL3203
SUR R
0.6uH 7
10
L3013
JL3201
0.6uH 6
L3003
JL3202
SUR L
0.6uH 5
L3012
4 SPEAKER
0.6uH
L3002
JL3104
3 FRONT L
0.6uH
L3011 9
JL3103
0.6uH 2
L3001
JL3101
0.6uH 1 FRONT R
JL3102
C3173 C3123
0.01 0.01
C3172 C3122
0.01 0.01
(CHASSIS)
No mark : DVD STOP