Sony SRX-R320 Service Manual page 268

1
+15V_BLUE0
C2200
0.01uF
25V
C2202
GND 0.1uF
R2204 IC2208
50V
3.3k
2 2012 NJM2904V(TE2)
R2208
VKA = +6.5V
1k
1mA Ik = 1.8mA
min 1mA
max 100mA
R2205 K
Vref 4
3.9k
NC1
High-precision register (0.5%) +2.489V 8 5
REF
NC2
Vref
R2206
2.2k A1 A2 A3 A4 IC2201
= 6.5x(2.2k+220)/(3.9k+2.2k+220)
TL431BCDR2
= +2.489V
Shunt regulator
R2207
220
GND
001-J5,008-D4,015-D4
001-J6,008-D4,015-D4
3
High-precision register (0.5%)
Vref
= 6.5x3.3k/(3.3k+2.2k0)
= +3.9V
4
+15V Voltage monitor
Error threshold = +8V
+16V
C2203 50V
0.1uF 2012
5
R2202
+15V_BLUE0
10k
8 GND
R2200 R2209
1k
+15V 3 V+ 1
1IN+ 1OUT
+8V 2 Open collector
+15V_BLUE1
1IN-
R2210
R2201
1k
+15V 5 7
2IN+ 2OUT
+8V 6
2IN-
C2201 GND
0.1uF R2203
4
50V 10k
2012 IC2200
NJM2903V(TE2)
Comparator
GND
A B
+3.3V
Vcom&Vdmy Power ON/OFF
HiZ = Vcom&Vdmy Power OFF
R2218
L = Vcom&Vdmy Power ON
1k
017-C2 BLUE_VCOM_VDMY_EN
Open drain
(1/3)
3
C2205
NM
+ 1
2 -
5.3mA M62399 SUB ADDR (7bit) CS pin setting
R2211
1k
RED 48h (1001_000b) CS0 A0
GND
GREEN 4Bh (1001_011b) CS1 A1
C2204 BLUE 4Ah (1001_010b) CS2 A2
NM
C2212
+5V
0.1uF
C2208
10V
2.2uF
16V
R2217 C2213
NM
2012 10k
4.7uF
NM 10V
NM
NM
GND
17 16
GND
VDD VCC
3 12
1
SDA+5V SDA AO1
13
3
AO2
2 14
5
SCL+5V SCL AO3
15
7
AO4
1 4
R AO5
20 5
CS0 AO6
Isrc = typ 30mA 19 6
CS1 AO7
18 7
IC2208
(2/3) CS2 AO8
R2212
2.2k NJM2904V(TE2)
(min +3.5V)
5 9
VrefU +3.9V VREFU1
+
7 11
VREFU2
R2213
3.3k 6 - 8
typ 2.4mA VREFL
max 5.0mA
GND
R2214
10
1k
GND IC2204 NM
M62399FP-TE2
R2215 C2209
D/A converter
10k NM
C2206 GND
NM (Discon)
C2210
+5V
0.1uF
10V
C2207 R2216 C2211
0.1uF 10k
4.7uF
10V
GND
8
R2219
GND
12 VCC 13
017-C5 BLUE_EADJ_DAC_DI DI AO1
11 2
017-C4 BLUE_EADJ_DAC_CLK CLK AO2
7
10 3
017-F4 BLUE_EADJ_DAC_LD LD AO3
5
4 5
RESET AO4
3
7 6
VDD AO5
1
1 9
RB2200
typ 4.5mA VSS AO6
0.05
max 7.5mA GND
14
IC2203
BU2507FV-E2
D/A converter
GND
Vpc enable
HiZ = Vpc disable
L = Vpc enable
22
LPD_PWR_ERR 001-B6,001-K10,008-D9,015-D9,028-E4
22
IC2202 (3/3)
NJM2904V(TE2)
C
LPD-2 (22/28) LPD-2 (22/28)
SUFFIX: -31 SUFFIX: -31
IC2205
NJM2904V(TE2)
R2228 R2242
10k
100
3
+
R2221 R2229
220 10k
2 -
C2226
Q2200
NM
DTC114EE-TL
R2240 R2251
2.2k 1.2k
GND
IC2205
NJM2904V(TE2)
R2230 R2243
10k
100 5
+
R2222
R2231
220 10k
6 -
C2227
Q2202
DTC114EE-TL
+6.5V
R2241 R2252
2.2k 1.2k
GND
IC2206
R2232 NJM2904V(TE2)
3.3k
3
+ 1
R2223 R2233
3.3k 10k
2 -
R2236
R2244 R2248
10k 3.9k 1.5k
RB2201 NM
0.05
Vcom
2
GND
Vdmy
4
C2222
Vref H NM
6
Vpc L
8
Vpc H IC2206
R2237 NJM2904V(TE2)
R2220 1k
5
0
NM +
7
6 -
R2247
1k
C2223
NM
Select precharge voltage
0
H : Vpc H
L : Vpc L
8
017-C4 BLUE_VPC_SEL
6
4
2
IC2209
R2226
NJM2904V(TE2)
10k
5
+3.3V
+
7
R2224 R2234
0 100
6 -
R2277
1k
017-C3 BLUE_VPC_L_EN
R2238
Open drain Q2206 R2245 R2249
1k 1k 0
DTC114EE-TL
GND
C2224
NM
IC2209
R2227
NJM2904V(TE2)
10k
3
+
1
R2225 R2235
3.3k 390
2 -
R2239
R2246 R2250
10k 2.2k 15k
GND
C2225
NM
+15V_BLUE0
IC2205 (3/3) IC2206 (3/3)
IC2208 (3/3) IC2209
NJM2904V(TE2)
NJM2904V(TE2) NJM2904V(TE2) NJM2904V(TE2)
C2217 C2219 C2221
C2215
V+ V+ 0.1uF V+ 0.1uF V+ 0.1uF V+
0.1uF
50V 50V 50V
50V
GND GND GND GND GND
2012 2012 2012
2012
C2214 C2216 C2218 C2220
0.01uF 0.01uF 0.01uF 0.01uF
GND
25V 25V 25V 25V
C-68 C-68
D E
Q2204 (1/2)
HN1B01FU
+15V_BLUE0
Q2204
(2/2)
HN1B01FU
(1/3) PANEL Vcom
Typ 6.3V
R2265
R2255 10 1/4W Adjust range +5 to +8V
100 3225
1
BLUE_Vcom 027-C4
R2263
1k
R2257
10k
R2267
10k D2200
DA221-TL
C2234
0.01uF GND
GND 25V
Q2205 (1/2)
HN1B01FU
+15V_BLUE0
Q2205
(2/2)
HN1B01FU
(2/3) PANEL Vdmy
Typ 6.3V
R2266
R2256 10 1/4W Adjust range +5 to +8V
100 3225
7
BLUE_Vdmy 027-C4
R2264
1k
R2258
10k R2268
10k
D2201
DA221-TL
NM
C2235
0.01uF GND
25V
GND
B VRH
AD8387 VRH
SIDE B
(1/3)
Typ 9.0V(RED/GREEN), 8.5V(BLUE)
CL2200
1.5
Adjust range +8.0 to +9.25V
R2253
10
BLUE_VRH 020-C5,021-D5
C2230 R2261
10k
22uF
16V
GND
B VRL
SIDE B
(2/3)
CL2201
1.5
AD8387 VRL +6.5V
R2254
10
BLUE_VRL 020-C5,021-D5
C2231
R2262
2.2k
47uF
10V
GND
+15V_BLUE0
180ohm@100MHz FB2200
max 1500mA
C2236 25V
10uF 3225
R2270
C2238 50V
10k
Q2203 0.1uF 2012
DTC114EE-TL
C2237
0.01uF
25V
GND
Q2201
HN1B01FU
R2269
1k
Q2201
HN1B01FU
(2/3)
VpcL
IC2202
(1/3)
5 8
Adjust range 0V to +8V NJM2904V(TE2)
R2271
A VDD
6
10
1 3 R2273
7 100
+
1
VEE VSS INH
R2259 C2232
1k 3 4 2 2 -
0.1uF
16V
GND
R2274
10k
GND
IC2207
TC4W53FU(TE12R)
Analog switch
R2272
1k
A On
L Ch0 (7pin)
C2239
(1/3) H Ch1 (6pin)
NM
VpcH
Adjust range +5V to +13V
R2260 C2233
10k
0.1uF
25V
GND
(3/3)
IC2202 (2/3)
NJM2904V(TE2)
5
C2229 +
7
0.1uF
6 -
50V
2012
GND
C2228
0.01uF
25V
F
(1/2)
(2/2)
D2202
DA221-TL
Panel precharge voltage
R2275
10
BLUE_Vpc 027-C4
C2240
NM
R2276
NM
GND
GND
LPD-2 (22/28)
BOARD NO. 1-873-516-31
SRX-R320
G H