Sony KLV-MR32N2 / KLV-MR32S2 Service Manual ▷ View online
KLV-MR32S2/MR32N2 (E) 3-3
AC INLET
1
3
AC IN
AC IN
CN6000
F6000
LINE FILTER
L6001,6002
RY6001
Q6404
RELAY
DRIVE
RY6001
D6401
PH6400
D6000
RECT
L6101
5
2
8
10
REG
Q6101
D6103
D6104
D6101
IC6100
MUL
VCC
ZCD
AC-DC CONV.
5
3
8
OUT
7
SW
CONVERTER
Q6100
Q6103
Q6102
COMP
2
Q6400
Q6401
8
9
14
IC6400
13
11
10
PH6401
24V DET
Q6406
Q6402
Q6403
LATCH
Q6403
24V DET
Q6407
Q6406
Q6407
TH6500
D6500
IC6401
2
VCC
7
5
PWM CONTROL
START
DRAIN
IC6500
UP
DRAIN
8
4
VFB/OLP
RECT
T6500
2
1
6
5
D6503
PH6500
IC6501
VREF
10
7
D6504
2
FB
22
VS
23
1
DRIVE
VSENSE
VG(H)
IC6200
SS
15
20
VG(L)
16
OC9
Q6201
CONVERTER
CONVERTER
Q6200
T6200
13
1
3
10
D6300
D6301
9
14
14
9
D6303
D6302
10
3
1
13
T6201
5
7
D6205
PH6200
VREF
IC6300
1-5
16.5V
CN6300
TO
PANEL
UNIT
B
CN6301
24V
1-3
CN5003
K BOARD
TO
9
8
7
5
1,2
16.5V
THERMO G
POWER ON
STBY6.5V
24V
CN6302
TH6300
TO
DES BOARD
CN3201
C
G1
(POWER SUPPLY)
(3)
G1 Board
KLV-MR32S2/MR32N2 (E) 3-4
3-1-2. MEDIA RECEIVER UNIT (MBT-MR2)
(1)
(1)
A(1/2) and H1(1/2) Boards
R-Y
B-Y
Y
VIDEO
AUDIO L
AUDIO R
TU33V
SET9V
SET5V-3
MAIN_SDAT
MAIN_SCLK
5V
9V
30V
SCL
DET OUT
L OUT
R OUT
AFT OUT
F MONO
APC_SW
RESET-O
SDA
MODE
TU2000 TUNER
IN7-S
21
CR
CB
Y
Cr
Cb
TO 2/2
2
VD
HD
AUDIO L/R
MT_L/R,ST_MONO
(AV SW,INPUT TERMINAL)
A(1/2)
CN9504
CN9503
CN8601
5
3
1
HP_L
HP_R
HP_SW
1
3
5
6
10
8
12
4
2
R4
L4
V4
C4
Y4
S4
2
4
12
8
10
6
CN8301
J8501
IN
OUT
CONTROL-S
BUFFER
CONTROL-S
Q8505-8507,
Q8501-8503,
PF_SDAT
PF_SCLK
MAIN_SDAT
MAIN_SCLK
CR
CB
Y
A
STBY5V
MS3.3V
SET5VD
3.3VD
SET2.5V
1.8V
PF_SDAT
PF_SCLK
MAIN_SDAT
MAIN_SCLK
MAIN_CR_OUT
MAIN_CB/C_OUT
MAIN_YV_OUT
SIRCS
MT_MSP_RESET
MT_MODE
MT_APC_SW
MT_HSYNC
MT_FMONO
MT_AFT
B10
B36
B34
B8
B2,B3
B1,A2
B5
B4
B9
A19
A17
A23
A21
B42
B40
B38
B20
B30
A31
A29
B28
B26
A25
CN8504(1/2)
Cr
Cb
Y
XTAL
VS
HS
Cr OUT
Cb OUT
YOUT
16.2MHz
X8301
38
4
9
23
22
21
Q8310
4
2
1
IC8303
Q8311
Q8309
Q8308
CVBS/Y1
C2
CVBS/Y2
1
43
44
Q8304
Q8312,Q8313
Q8306,Q8307
IC8302
YCT-MAIN
Q8305
35
34
33
IN9-CR
IN9-CB
IN9-Y
71
CVOUT3
J8308
3P
2P
J8304
2P
J8307
H
V
CM_R2
CM_L2
V
H
R
L
Y
PB/CB
PR/CR
CM_PR2
CM_PB2
CM_Y2
R
VIDEO
IN4-S
58
CV/YOUT1
IN6_S
16
79
IN1-CV
VIDEO SW
IC8306
18
IN6_Y
19
IN6_C
17
IN6_CV
IN5_CV
12
IN5_C
14
IN5_Y
13
11
IN5_S
23
IN7-Y
24
IN7-C
22
IN7-CV
40
IN10-Y
IN10-CB
41
IN10-CR
42
IN10-L1/H
43
44
IN10-L2/V
Q8318
Y
B-Y
C/CBOUT1
59
R-Y
CROUT1
60
Q8317
Q8315
Y
Q8314,8316
6
7
IN4-CV
8
IN4-Y
9
IN4-C
PF-SDAT
PF-SCLK
SDA
SCL
77
76
72
73
YOUT3
COUT3
J8305
CM_Y1
CM_PB1
CM_PR1
L
R
CM-L2
CM-L1
L
R
J8306
INPUT
TERMINAL
R
L
V
HP SW
HP R
TO 2/2
3
L4
R4
HP L
4
TO 2/2
1
2
3
4
J9502
H1
J9500
TO 2/2
1
R
L
V
4
3
2
1
S3
Y3
C3
V3
L3
R3
R2
L2
V2
C2
Y2
S2
PB/CB
Y
PR/CR
CB
Y
CR
1
2
3
4
V
L
R
J8301
R
L
V
4
3
2
1
VIDEO
IN1
R
L
AUDIO
VIDEO
S1
Y1
C2
V1
L1
R1
S VIDEO
(MONO)
(MONO)
S VIDEO
VIDEO
AUDIO
L
R
IN2
VIDEO
Y
C
C
Y
C
Y
VIDEO
IN3
R
L
AUDIO
VIDEO
S VIDEO
(MONO)
AUDIO
WOOFER OUT
(VAR)
VIDEO IN 1
COMPONENT
5
TO 2/2
MT_MSP_RESET
MT_APC_SW
MT_MODE
MT_FMONO
MT_AFT
Q8206
Q8203
MT-L
MT-R
SYNC
DETECT
Q8201
TU2001 TUNER
SDA
AF_OUT
DE
DE
SCL
30V
9V
5V
MAIN_SCLK
MAIN_SDA
SET5V-3
SET9V
TU33V
Q8210
Q8207
SYNC
DETECT
Q8208
CV/YOUT2
C/CBOUT2
IN2_CV
Q8512,8513
1
VIDEO
IN8-CR
28
IN8-CB
27
IN8-Y
26
22
IN7-CV
IN9_SW
39
COMPONENT
VIDEO IN2
AUDIO
SW
SYNC
51
EXT_CLK/XTAL
X8302
4MHz
67
68
Q8510,8511
B24
9V
A43
SUB_Y/V_2
A45
SUB_C/CB
A47
SUB_CR_OUT
Q9320
Q9319
Q9321
OX
OY
OZ
1X
1Y
1Z
XCOM
YCOM
ZCOM
A
B
C
14
15
4
B48
SECAM_SW
Q9318
12
2
5
Q9311
Q9309
Q9308
Y OUT
Cb OUT
Cr OUT
HS
VS
CVBS/Y1
CVBS/Y2
C2
Xtal
SCL
SDA
21
22
23
9
4
1
2 OR
1
44
43
38
13
14
PF_SCLK
PF_SDAT
X9301
16.2MHz
BUFFER
Q9305
Q9304
Q9307
BUFFER
Q9306
13
1
3
MT_HSYNC
ST_AFT
ST_HSYNC
SCL
B31
A30
SDA
LED_SCL
LED_SDA
ST_HSYNC
ST_AFT
A39
A41
B6
Q8509
1.8V REG
1
3
SET2.5V
3.3VD
D5V-2
MS3.3V
SET9V
STBY5V
(1/2)
C
Y
(MONO)
S VIDEO
VIDEO
AUDIO
L
R
IN4
VIDEO
Y
CB
CR
Y/B-Y/R-Y
IC8503
IC9305
SELECT
Q9310
4
YCT-SUB
IC9302
ST_MONO
TO
JI BOARD
CN1802
LPF
FL9200
Q9213,Q9212
Q9201
Q9200
YCIN
7
YOUT
25
15
16
SCL
SDA
PF-SCLK
PF-SDAT
Q9202,Q9205,Q9208,Q9209
FL9202
BUFFER
41
CVBS/Y3
C3
39
Q9203,Q9204,Q9207,Q9210
BUFFER
FL9201
27
COUT
46
FSLOUT
19
FSC
Q8303
Q8907
31
CVBSO
2D COMB FILTER
IC9200
TXET
IC8901
D5V-2
RESET
IC8902
5
Q8901
73
72
RESET
RESET
12MHz
X8901
70
XTALIN
71
XTALOUT
MAIN_SDAT
MAIN_SCLK
82
81
SDAO
SLLO
R
48
Q8905
35
R2
Q8904
47
G
G2
34
52
Q8906
Q8902
46
36
YS2/YM
B2
33
VDS
B
55
53
HSYNC
VSYNC
SET5V-3
IC8308
1
2
4
KLV-MR32S2
Q9206,Q9211
Q8903
4
KLV-MR32S2/MR32N2 (E) 3-5
A
TO
JI BOARD
CN8504(2/2)
A37
A44
A46
B22
A11
B16
A13
A15
B14
B18
A49
A35
ATT_SW
MS_L_IN
MS_R_IN
CENTER_POL
LINE_MUTE
A_MUTE
HP_SW
O_A_MUTE
P_MUTE1
HP_MUTE1
MS AC DET
AC_RELAY
AUDIO R
AUDIO L
AUDIO L
AUDIO R
6
1
2
AINL
A/D CONVERTER
IC8601
SDTO
AINR
TO 1/2
3
10
5
MS_L
MS_R
IN8_L
22
23
IN8_R
IN1_L
8
7
IN4_R
R4
L4
IN2_R
IN2_L
CM_L2
CM_R1
IN3_R
4
20
IN3_L
R3
L3
IN7_L
19
14
IN5_R
L2
R1
ST_MONO
IN9_L
25
26
IN5_L
ROUT1
37
IN10_R
29
MT_R
MT_L
39
LOUT1
1
TO 1/2
28
IC8304
AUDIO SW1
IN10_L
IN7_R
IN4_L
MCK
LRCK
BCK
PDN
11
12
5
6
9
8
11
10
12
13
IC8602
SCL
BCKO
LRCKO
MCK
DATAI
IC8603
AUDIO PROCESSOR
LEVEL
SHIFT
SDA
5
6
6
5
PF_SCLK
PF_SDAT
Q8601
25
30
32
31
DATA0
X1
X0
RST
10
11
9
10
8
6
4
5
11
13
12
3
1
2
RESET
13
D5V-2
IC8606
1
2
AOUTL
PDN
AUDIO DAC
IC8605
DATA
BCK
LRCK
MCK
AOUTR
AUDIO PROCESSOR
IC8612
INA
INB
OUTA
OUTB
SCLK
SDAT
17
16
PF_SCLK
PF_SDAT
5
6
3
2
8
31
1
7
7
1
5
6
2
3
3
2
6
5
1
7
BUFFER
IC8608
IC8607
TO 1/2
4
R
L
J8302
Q8604
Q8605
2
TO 1/2
7
6
5
4
3
6
5
IC8616
3
2
15
14
13
12
11
1
7
Q8610
Q8609
35
33
LOUT2
ROUT2
FIX_L
FIX_R
IN6_L
IN6_R
16
17
1
2
3
SET9V
Q8320
BIAS
SW
IC8307
11
12
14
15
4
1
5
2
BIAS
Q8319
SET9V
SET9V
13
3
10
9
Q8321
6
5
7
IC8305(2/2)
L_MUTE
A_MUTE
HP_SW
O_A_MUTE
P_MUTE1
HP_MUTE1
IC8615
6
5
3
2
7
1
7
5
6
1
2
3
IC8617
7
6
1
MUTE SW
Q8613-Q8615
Q8607
Q8608,Q8611
SET9V
Q8726
D8725
D8720
D8719
D8718
P_MUTE1
A_MUTE
O_A_MUTE
L_MUTE
HP_MUTE1
Q8617
Q8618
Q8616
Q8612
IC8614
IC8618
Q8301
Q8302
FIX_L
FIX_R
IC8305(1/2)
T8301
11
1
IC8604
3
4
5
3
2
6
11
10
2
37
AUDIO L
AUDIO R
AUDIO L
AUDIO R
AUDIO L/R
2
1
ATT_SW
9V
CN8201
SET9V
L1
13
2
CM_R2
R2
CM_L1
IN9_R
IN1_R
SDA
SCL
32
31
13
4
10
IC8611
SET9V
Q8606
BIAS
2
SPDIF_TX
CN8003
VINL
VINR
SCL
SDA
DATAO
BCKO
WSO
RESET
IC8015
AUDIO ADC
17
18
PF_SCLK
PF_SDAT
RESET
Q8621
SET3.3V
5
DAUX
BICK
LRCK
XTI
XTO
SCL
SDA
TX1
30
29
X8009
12.288MHz
9
7
8
IC8018
DIGITAL AUDIO
TRANCEIVER
16
34
33
SDA
SCL
SET9V
Q8620
Q8619
LINE MUTE
D8617
HP L
HP R
HP_SW
INITIAL MUTE SWITCH
C(+)
C(-)
2
1
CENTER-
CENTER+
CN8302
10
9
7
4
3
2
1
FAN H/L
FAN ON/OFF
MS DET
FAN-ERR
AC RLY
P SW(-)
AC DET
CN8702
7
5
3
1
STBY5V
33V
A5V
D5V
CN8703
CN8704
SET11V
SET11V
REG SW
MS11V
1
2
5
6
3
SET9V
CN8705
AC DET
PSW
AC RLY
D5V-2
SET5V-3
TU33V
STBY5V
SET11V-2
SET9V
VCC
VOUT
VOUT
VOUT
VOUT
2.5V REG
IC8204
IC8203
3.3V REG
IC8202
DC/DC CONVERTER
6
1
1
SET3.3V-2
3.3VD
L8211
L8212
11
12
13
14
2
2
SET2.5V
MS3.3V
13
12
10
8
7
6
4
3
2
1
SDA
SCL
STBY 5V
P_ON
P_SW
KEY1
KEY2
UPD_LED
LOGO_LED
KEY_WAKE
CN9502
1
2
3
4
6
7
8
10
12
13
CN8701
STBY5V
LED_SCL
LED_SDA
13
12
11
10
9
7
6
5
4
3
2
FAN ON/OFF
FAN H/L
FAN_ERR
RESET_4114
AC_DET
KEY_WAKE
LOGO_LED
POWER_LED
KEY2
KEY1
P_ON
CN8005
POWER LED
PSW
POWER LED
AC DET
RESET_4114
TO
J1 BOARD
CN1804
4
2
1
KEY2
KEY1
KEY_WAKE
CN9501
1
2
3
S9500
STBY5V
IC9600
LED DECODER
SCL
SDA
DAC4
DAC3
DAC2
DAC1
DAC0
15
14
3
4
5
6
7
LED
DRIVER
DRIVER
LED
Q9502-9504
Q9600-9604
Q9606
D9600-9602
D9604,9605,9607
D9527
D9523
H1(2/2)
(KEY IN/LED)
1
3
KEY1
KEY_WAKE
CN9701
S9700,
S9702-9706
CN9700
H2
(KEY IN)
CN9800
KEY_WAKE
KEY1
3
1
S9800-9806
(KEY IN)
H3
VIDEO
AUDIO
VIDEO OUT
(VAR/FIX)
5
TO 1/2
WOOFER_MUTE
A(2/2)
(AUDIO PROCESSOR)
HP_SW
SET9V
Q8091,8092
RESET
RESET_4114
TO
ANT SW
Q8209
TO
G BOARD
CN6005
CN6003
G BOARD
TO
TO
G BOARD
CN6004
CN6002
G BOARD
TO
PF_SCLK
PF_SDAT
A
B
X8601
36MHz
28
26
24
CN1802
2
1
+
-
CN9900
SPM
CENTER
SPEAKER
J9900
B
C
D
E
G
F
TO
M(1/2)BOARD
CN3402
PDN
31
(2)
A(2/2), H1(2/2), H2, H3 and SPM Boards
KLV-MR32S2/MR32N2 (E) 3-6
A11
A13
B14
A15
B16
B18
B20
A25
B26
A27
B28
A29
B30
A31
B32
A33
A35
A37
B48
A49
A39
A41
B38
B40
B42
A43
A45
A47
B44
B46
A30
B31
A23
A21
A19
A17
B10
B22
FIX_VAR
LINE_MUTE
P_MUTE1
O_A_MUTE
A_MUTE
HP_MUTE
SIRCS
CENTER_POL
MT_AFT
MT_FMONO
MT_AGC(NC)
MT_HSYNC
MT_APC_SW
MT_MSP_RESET
MT_MODE
MT_SAP(NC)
MT_STEREO(NC)
AC_RELAY
ATT_SW
SECAM_SW
MS AC DET
ST_HSYNC
SF_AFT
MAIN_YV_OUT
MAIN_CB/C_OUT
MAIN_CR_OUT
SUB_Y_OUT
SUB_CB_OUT
SUB_CR_OUT
MS_L_IN
MS_R_IN
LED_SDA
LED_SCL
MAIN_SDATA
MAIN_SCLK
PF_SDATA
PF_SCLK
MS3.3V
3.3VD
2.5V
STBY5V
CN1803
B3
A4
B4
B5
B7
A8
B8
A9
B9
A10
B11
A15
A16
B17
A19
B19
A20
A24
A21
A22
B22
A23
B23
B25
A26
A33
B33
A34
B34
A35
B35
A36
A37
B37
A38
B38
A39
B39
A41
B41
A28
B28
B29
A30
A42
A44
A45
A46
A47
A48
A49
B36
USB_P(NC)
USB_N(NC)
SYSTEM_RST
FIX_VAR
P_MUTE1
LINE_MUTE
A_MUTE
HP_SW
HP_MUTE1
O_A_MUTE
SIRCS
LOGO_LED
POWER_LED
KEY2
KEY1
KEY_WAKE
P_ON
CENTER_POL
MID_BUSY
BD_RST
DRC_VP
M_BLOCK
S_BLOCK
RESET_4114
AC_DET
MT_AFT
MT_FMONO
MT_AGC
MT_HSYNC
MT_APC_SW
MT_MSP_RESET
MT_MODE
MT_SAP
MT_STEREO
FAN_ON/OFF
FAN_ERR
ATT_SW
ST_HSYNC
ST_AFT
AC_RLY
FAN-H/L(AC_PWR)
PF_SDAT
M_SCLK
9V
STBY5V
SET2.5V
SET3.3V
5V
PF_SCLK
M_SDAT
A
TO
A BOARD
CN8504
H
TO
M BOARD
CN3200
CN1802
B12
HP_SW
A9
1.8V
B8
SET5VD
B24
9V
B34
B36
B1
A2
B2
B3
A2
SECAM_SW
A31
B31
LED_SDA
LED_SCL
13
12
11
10
9
8
6
5
4
3
2
P_ON
KEY1
KEY2
POWER_LED
LOGO_LED
KEY-WAKE
AC_DET
RESET_4114
FAN_ERR
FAN H/L
FAN ON/OFF
CN1804
A27
A25
A39
A41
A43
A49
A47
A45
B38
B34
B32
B30
B28
A23
A21
A19
A17
B16
B14
O_DRC_VP
O_MID_BUSY
CN1801
B2
B4
B6
B8
B10
B17
B18
B20
B22
B40
B42
B44
B46
B48
B_MS/CNM_USB_D+
B_MS/CNM_USB_D-
I_MS/CNM_AC_DET
I_MS/CNM_RESET
O_MS_AU_L_OUT
O_MS_AU_R_OUT
O_ATHENA3_M_BLOCK(NC)
O_ATHENA3_S_BLOCK(NC)
SYS_RST(I_BOARD_RESET)
I_MAIN_CR
I_MAIN_C/CB
I_MAIN_Y/CB
B_I2C_SCL_5V
B_I2C_SDA_5V
5V
1.8V
MS3.3V
3.3V
2.5V
9V
I_SUB_Y
I_SUB_CB
I_SUB_CR
TO
BD BOARD
CN1000
TO
A(2/2)BOARD
CN8005
B4
B5
B6
Y
B-Y
R-Y
LED_SDA
LED_SCL
MAIN_SDA
MAIN_SCL
PF_SDA
PF_SCLK
3.3V
MS3.3V
DIC2.5V
9V
5V
1.8V
STBY5V
LED_SDA
LED_SCL
PF_SCL
PF_SDA
5V
1.8V
MS3.3V
3.3V
DIC2.5V
9V
J1
(RELAY BOARD)
RESET
R-Y
B-Y
Y
5V
3.3V
DIC2.5V
STBY5V
9V
PF_SDAT
PF_SCLK
MAIN_SDAT
MAIN_SCLK
RESET
G
I
(3)
J1 Board
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