Schematic Diagram - Sk2 Rear Main Board (1/2) - Sony SA-Z9R Service Manual

SA-Z9R
4-2.

SCHEMATIC DIAGRAM - SK2 REAR MAIN Board (1/2) -

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