A-Board (6/12) Schematic Diagram - Panasonic TC-L42U22 Service Manual

11.7. A-Board (6/12) Schematic Diagram

! A-BOARD TXN/A10QHMS (6/12)
I2C/I2S/RESET
OPERATE
TO 1/12
RESET AUDIO_XRST
24KEC_I2CDATA1_AMP
TO 12/12
24KEC_I2CCLK1_AMP
R2300
LRCLK
R2303
MCLK
TO 1/12
R2309
BCLK
R2311
SDIN
MUTE
OPERATE
TO 7/12 AMP_MUTE
46 47
AUDIO_XRST
24KEC_I2CDATA1_AMP
24KEC_I2CCLK1_AMP
150 J0JBC0000116 48KHz LRCLK_POST
R2342
12.288MHz MCLK_POST
150 R2343 J0JBC0000116
3.072MHz BCLK_POST
150 R2344 J0JBC0000116
150 R2345 J0JBC0000116 3.072MHz SDIN_POST
R2330
10k
MUTE OPERATE
MUTE
AMP_MUTE
R2289
MCLK_POST 12.288MHz 12.288MHz 0
LRCLK_POST 48KHz 48KHz
BCLK_POST 3.072MHz 3.072MHz
SDIN_POST I2S
24KEC_I2CDATA1_AMP
24KEC_I2CCLK1_AMP
48 49
R2384
0
R2385
0
R2386
0
SUB3.3V R2387
0
*R2327
0
VJ2117 SOS(3.12V)
L2126 L2127
J0JYC0000068 J0JYC0000068
SOUND15V
C2222
10V 10u
C2226
16V
R2335
C2220 0.047u
16V 0.1u 0
C2265 C2266
25V 25V
470u 10u
C2223
R2325
25V
470
4700p
C2234
R2326 25V
22.1k 0.1u
1%
C2229
50V 2200p
C2225
16V
C2238
0.047u 25V 1u
C2240 L2128
G1C330MA0416
25V 0.033u
R2324
470
C2246
50V
0.1u
C2244
50V
0.47u
49
C2247
50V
C2269 13 48 L2129 0.1u
FAULT PGND_AB G1C330MA0416
10V 4.7u 14 47
MCLK OUT_A OUT_B
15 46
R2329 18.2k VR_ANA C2254
OSC_RES AVDD PVDD_B
16 45 25V 0.1u
DVSS PVDD_B C2241
17 44
C2221 25V 0.033u
VR_DIG BST_B
16V 0.1u 18 43
C2242
PDN BST_C
19 42 25V 0.033u
C2255
LRCLK PVDD_C
20 41 25V 0.1u L2130
SCLK PGND_CD PVDD_C
21 40 G1C330MA0416
OUT_D
SDIN OUT_C
22 39
R2381
SDA PGND_CD
S 23 38 C2250
R2382
50V
S 24 37
0.1u
IC2106
C2245
50V
0.47u
C1AB00003069
C2251
50V
AUDIO AMP
L2131 0.1u
G1C330MA0416
C2243
R2378
25V
10k
0.033u
C2230 C2227
16V 10V
0.1u 10u
SLV: 36h
50 51
43
R2334
3.3
C2248
50V
0.022u
C2257
50V
0.022u
C2256
50V
0.022u
C2249 C2263
50V 50V
0.022u 1000p
R2331
3.3
A11
TO SPEAKER
TP2100
C2262
1
L+
50V
1000p TP2101
2
L-
TP2102
3
R+
TP2108
4
R-
C2260
C2261
R2333 50V
50V
3.3 1000p
1000p
C2252
50V
0.022u
C2258
50V
0.022u
C2259
50V
0.022u
C2253
50V
0.022u
R2332
3.3
52 53 54