Sony SA-LZ9R, Service Manual

Page: 24 / 34

SA-Z9R
SA-Z9R
24 24
4-2. SCHEMATIC DIAGRAM - SK2 REAR MAIN Board (1/2) - • See page 26 for Waveforms. • See page 26 for IC Block Diagrams.
1
0
4
0
0
4
0
0
0
4
4
3.1
3.1
0
4
0
3.1 0.7 0.9 4.5 3.5
4.2 20.6 8.6 3.2 4
2
3.6
3.1 4
0
JL8201
MM3411A33URE
IC8014
CE
1
GND
2
VOUT
3
VDD
4
10
C8221
0.1
C8224
JL8217
2.2uH
L8015
RT8295BLZSP
IC8015
BOOT
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
3.3k
R8302
10k
R8301
100k
R8300
0.0022
C8225
22
C8227
22
C8226
10k
R8303
3.3k
R8304
LSCR523UBFS8TL
Q8012
4.7k
R8312
15k
R8313
PST8429UL
IC8016
GND
1
VDD
2
CD
3
OUT
4
DA2J10100L
D8013
0.022
C8234
0.01
C8233
10k
R8307
10k
R8310
0.01
C8235
0.22
C8232
4.7k
R8311
100k
R8308
47k
R8309
CRH02(T5R,SONY,XM)
D8014
47k
R8327
1k
R8334
1
C8247
0
R8320
0 R8319
5P
CN8026
1 LED(R)
2 LED(G)
3 GND
4 KEY_PAIR
5 KEY_POWER
12P
CN8031
1 GND
2 SPI_FCLK
3 USB-D–
4 USB-D+
5 UART-TX
6 UART-RX
7 GND
8 GND(NC)
9 A-GND
10 ANALOG SL/SR
11 WIRED_DET
12 WIRED_ON
10k
R8324
10k
R8325
6P
CN8025
PVDD_21V 1
PVDD_21V 2
PVDD_21V 3
P_GND 4
P_GND 5
P_GND 6
22
C8280
22
C8281
FB002
4.7k
R8329
100k
R8328
4.7k
R8330
100
R8321
100 R8322
JL8279
JL8280
JL8281
JL8282
JL8283
JL8284
JL8285
JL8286
JL8287
JL8288
JL8289
R8306
4.7k
JL8260
JL8270
JL8271
CN8022
50P
Power-4V 1
Power-4V 2
Power-4V 3
Power-4V 4
MIC_I2C_SCL 5
Rsrv_3 6
MIC_I2C_SDA 7
UART_TX 8
UART_RX 9
WIRED_DET 10
WIRED_ON 11
RST(FOR MODULE) 12
USB-DP(D+) 13
USB-DM(D–) 14
GND 15
MIC_LRCK 16
SPI_FCLK(FOR FWUP) 17
MIC_DATA 18
GND 19
MIC_BCK 20
GND 21
MIC_MCLK 22
GND 23
LED_RED 24
LED_GREEN 25
KEY_PAIRING 26
KEY_POWER
27
AC-CUT 28
PCONT1(RF-PWR) 29
PCONT2(HKT_TAS_ON) 30
I2S_DATA 31
GND 32
I2S_BCK 33
GND 34
I2S_LRCK 35
Rsrv_2 36
HKT_I2CSCL 37
AMP_MUTE(HKT-INT) 38
HKT_I2CSDA 39
DRIVER_RESET 40
HKT_RST 41
GND 42
I2S_MCLK 43
GND 44
DRIVER_SD 45
AMP_CLIP 46
DCDET 47
COMB_FAULT 48
PVDDSTBY_FWSEL 49
VACS_RQST 50
4.7k
R8258
4.7k
R8259
4.7k
R8331
100k R8326
0
R8229
JL8299
JL8245
JL8243
JL8218
JL8207
JL8215
JL8237
JL8238
JL8239
JL8240
JL8241
JL8242
JL8234
JL8228
JL8221
JL8222
JL8223
JL8226
JL8227
JL8220
JL8211
JL8212
JL8213
JL8214
JL8216
JL8210
JL8200
JL8203
JL8204
JL8205
JL8206
JL8202
R8217
0
LTC014EUBFS8TL
Q8020
1k
R8316
LSAR523UBFS8TL
Q8019
100
R8323
10k
R8315
B
B
E
E C
C
RN2902
Q8018
1
2
3 4
5
6
B
B
E
E C
C
RN1902
Q8017
1
2
3 4
5
6
4.7k
RB8301
C8210
0.01
C8209
0.01
CL8314
470p
C8246
6.3V
220
C8222
6.3V
220
C8220
10
C8223
CL8313
0.1
C8228
10
R8299
10uH
L8016
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
IC8014
+3.3V REGULATOR
IC8015
DC/DC CONVERTER
IC8016
RESET SIGNAL GENERATOR
(1/2) SK2 REAR MAIN BOARD
(2/2)
SK2 REAR MAIN
BOARD
>001S
REAR JACK
CN8013
>01S
BOARD
SK2 REAR KEY
BOARD
FFC1
RF MODULATOR
RF1
(CHASSIS)
LN005
LED DRIVE
Q8017, 8018
Q8019, 8020
DIMMER CONTROL
RESET SWITCH
SWR1
SWITCHING
(AC IN)
AC1
REGULATOR
10 11 12 13 14 15
G
16
H
17
I
18
F
1
C
J
D
6
E
K
L
2
B
3
A
4 5 7 19 8 9
Note 1: When the complete SK2 REAR MAIN board is re-
placed, spread the compound to the touching portion
between the IC8010 and the heat sink. Note 2: When the RF modulator is replaced, be sure to re-
fer to “WIRELESS CONNECTION (LINK) WORK
OF BAR SPEAKER, SUBWOOFER AND REAR
SPEAKERS” on page 4. Note 3: When the SK2 REAR KEY board is defective, re-
place the complete mounted board.
The mounted parts cannot be replaced with single for
repairing.
(Page 26)
(Page 25)