Sony STR-DB840 Service Manual

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IC105 BA6208 (DISPLAY Board)
IC108 NJU3719L (DISPLAY Board)
IC201 NJM2296D (VIDEO Board (DB840))
IC251, 252 NJM2296D (S-VIDEO Board)
IC2005 NJM2296D (OSD Board (DB940))
1 2 3 4 5 6 7
8
9
NC
OUTPUT 2
Vcc
GND
NC
INPUT 2
INPUT 1
NC
MOTOR
DRIVE
MOTOR
DRIVE
REG
SWITCH
SWITCH
OUTPUT1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
LATCH
CIRCUIT
SHIFT
REGISTER
CONTROL
CIRCUIT
PARALLEL
DATA
OUTPUT BUFFER
P11
P12
P13
P14
P15
P16
P17
VSS
P18
P19
P20
P21
P22
P23
P24
VDD
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
CLR
STB
CLK
DATA
9
S5
S6
S7
S4
S1
S2
S3
Vout1
Vout2 Vout3
V-
GND
SW3
SW2SW1
SW5 SW4
Vin1 Vin2
Vin3Vin4Vin5
V+
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1 52 3 4 6 7 8

Sony STR-DB840 Specifications

General

Digital inputs	2 Optical, 1 Coaxial
Power output	100 watts per channel into 8Ω (stereo)
Frequency response	10Hz to 100kHz
Total harmonic distortion	0.09%
Input sensitivity	2.5mV (MM), 200mV (line)
Speaker load impedance	8 ohms
Dimensions	430 x 157mm
Tuning range	FM, MW
Video Connections	composite